[packages/firefox] - update patches/files
arekm
arekm at pld-linux.org
Sat Jul 7 19:42:25 CEST 2018
commit 1b2890553762714db0476ae003794dba15c9ccec
Author: Arkadiusz Miśkiewicz <arekm at maven.pl>
Date: Sat Jul 7 19:42:17 2018 +0200
- update patches/files
ffmpeg4.patch | 13698 -----------------------------------------------------
firefox.spec | 12 +-
idl-parser.patch | 27 -
3 files changed, 4 insertions(+), 13733 deletions(-)
---
diff --git a/firefox.spec b/firefox.spec
index 6167226..1e7d9b3 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -236,8 +236,7 @@ Source192: http://releases.mozilla.org/pub/firefox/releases/%{version}/linux-i68
# Source192-md5: 7342baf29f6e932ddc330d4932573934
Source193: http://releases.mozilla.org/pub/firefox/releases/%{version}/linux-i686/xpi/zh-TW.xpi
# Source193-md5: f165bb2490aac1bbeec6bf567f5dd496
-Patch0: idl-parser.patch
-Patch1: ffmpeg4.patch
+
Patch4: %{name}-prefs.patch
Patch5: %{name}-pld-bookmarks.patch
Patch6: %{name}-no-subshell.patch
@@ -2024,8 +2023,6 @@ unpack() {
# hunspell needed for factory including mozHunspell.h
echo 'LOCAL_INCLUDES += $(MOZ_HUNSPELL_CFLAGS)' >> extensions/spellcheck/src/Makefile.in
-%patch0 -p2
-%patch1 -p1
%patch4 -p1
%patch5 -p1
%patch6 -p2
@@ -2150,7 +2147,7 @@ cp -aL ${OBJDIR}/dist/firefox/* $RPM_BUILD_ROOT%{_libdir}/%{name}/
# move arch independant ones to datadir
%{__mv} $RPM_BUILD_ROOT%{_libdir}/%{name}/browser/chrome $RPM_BUILD_ROOT%{_datadir}/%{name}/browser/chrome
-%{__mv} $RPM_BUILD_ROOT%{_libdir}/%{name}/browser/extensions $RPM_BUILD_ROOT%{_datadir}/%{name}/browser/extensions
+install -d $RPM_BUILD_ROOT%{_datadir}/%{name}/browser/extensions
%{__mv} $RPM_BUILD_ROOT%{_libdir}/%{name}/defaults $RPM_BUILD_ROOT%{_datadir}/%{name}/browser/defaults
%{__mv} $RPM_BUILD_ROOT%{_datadir}/%{name}/browser/defaults/{pref,preferences}
@@ -2255,8 +2252,6 @@ fi
%{_libdir}/%{name}/chrome.manifest
%{_libdir}/%{name}/browser/blocklist.xml
%{_libdir}/%{name}/browser/chrome.manifest
-# the signature of the default theme
-%{_datadir}/%{name}/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}.xpi
%{_libdir}/%{name}/browser/omni.ja
%{_libdir}/%{name}/browser/features/activity-stream at mozilla.org.xpi
@@ -2267,12 +2262,13 @@ fi
%{_libdir}/%{name}/browser/features/onboarding at mozilla.org.xpi
%{_libdir}/%{name}/browser/features/screenshots at mozilla.org.xpi
%{_libdir}/%{name}/browser/features/webcompat at mozilla.org.xpi
+%{_libdir}/%{name}/browser/features/webcompat-reporter at mozilla.org.xpi
%attr(755,root,root) %{_libdir}/%{name}/plugin-container
%{_libdir}/%{name}/dictionaries
%dir %{_libdir}/%{name}/fonts
-%{_libdir}/%{name}/fonts/EmojiOneMozilla.ttf
+%{_libdir}/%{name}/fonts/TwemojiMozilla.ttf
%dir %{_libdir}/%{name}/gmp-clearkey
%dir %{_libdir}/%{name}/gmp-clearkey/0.1
diff --git a/ffmpeg4.patch b/ffmpeg4.patch
deleted file mode 100644
index 20b185c..0000000
--- a/ffmpeg4.patch
+++ /dev/null
@@ -1,13698 +0,0 @@
-
-# HG changeset patch
-# User Jean-Yves Avenard <jyavenard at mozilla.com>
-# Date 1524125955 -7200
-# Node ID 2f39b32593bd0d1d5ebd7623bdf324610027074f
-# Parent b2e2129293dd05a64e0d9ccaf3ff214307b2c8b7
-Bug 1435212 - Add support for FFmpeg 4.0. r=bryce, a=jcristau
-
-MozReview-Commit-ID: JlDFSUyGQu
-
-diff --git a/dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp b/dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp
---- a/dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp
-+++ b/dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp
-@@ -72,25 +72,31 @@ FFmpegDataDecoder<LIBAV_VER>::InitDecode
- mCodecContext->opaque = this;
-
- InitCodecContext();
-
- if (mExtraData) {
- mCodecContext->extradata_size = mExtraData->Length();
- // FFmpeg may use SIMD instructions to access the data which reads the
- // data in 32 bytes block. Must ensure we have enough data to read.
-+#if LIBAVCODEC_VERSION_MAJOR >= 58
-+ mExtraData->AppendElements(AV_INPUT_BUFFER_PADDING_SIZE);
-+#else
- mExtraData->AppendElements(FF_INPUT_BUFFER_PADDING_SIZE);
-+#endif
- mCodecContext->extradata = mExtraData->Elements();
- } else {
- mCodecContext->extradata_size = 0;
- }
-
-+#if LIBAVCODEC_VERSION_MAJOR < 57
- if (codec->capabilities & CODEC_CAP_DR1) {
- mCodecContext->flags |= CODEC_FLAG_EMU_EDGE;
- }
-+#endif
-
- if (mLib->avcodec_open2(mCodecContext, codec, nullptr) < 0) {
- mLib->avcodec_close(mCodecContext);
- mLib->av_freep(&mCodecContext);
- return MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
- RESULT_DETAIL("Couldn't initialise ffmpeg decoder"));
- }
-
-diff --git a/dom/media/platforms/ffmpeg/FFmpegLibWrapper.cpp b/dom/media/platforms/ffmpeg/FFmpegLibWrapper.cpp
---- a/dom/media/platforms/ffmpeg/FFmpegLibWrapper.cpp
-+++ b/dom/media/platforms/ffmpeg/FFmpegLibWrapper.cpp
-@@ -56,22 +56,24 @@ FFmpegLibWrapper::Link()
-
- enum {
- AV_FUNC_AVUTIL_MASK = 1 << 8,
- AV_FUNC_53 = 1 << 0,
- AV_FUNC_54 = 1 << 1,
- AV_FUNC_55 = 1 << 2,
- AV_FUNC_56 = 1 << 3,
- AV_FUNC_57 = 1 << 4,
-+ AV_FUNC_58 = 1 << 5,
- AV_FUNC_AVUTIL_53 = AV_FUNC_53 | AV_FUNC_AVUTIL_MASK,
- AV_FUNC_AVUTIL_54 = AV_FUNC_54 | AV_FUNC_AVUTIL_MASK,
- AV_FUNC_AVUTIL_55 = AV_FUNC_55 | AV_FUNC_AVUTIL_MASK,
- AV_FUNC_AVUTIL_56 = AV_FUNC_56 | AV_FUNC_AVUTIL_MASK,
- AV_FUNC_AVUTIL_57 = AV_FUNC_57 | AV_FUNC_AVUTIL_MASK,
-- AV_FUNC_AVCODEC_ALL = AV_FUNC_53 | AV_FUNC_54 | AV_FUNC_55 | AV_FUNC_56 | AV_FUNC_57,
-+ AV_FUNC_AVUTIL_58 = AV_FUNC_58 | AV_FUNC_AVUTIL_MASK,
-+ AV_FUNC_AVCODEC_ALL = AV_FUNC_53 | AV_FUNC_54 | AV_FUNC_55 | AV_FUNC_56 | AV_FUNC_57 | AV_FUNC_58,
- AV_FUNC_AVUTIL_ALL = AV_FUNC_AVCODEC_ALL | AV_FUNC_AVUTIL_MASK
- };
-
- switch (macro) {
- case 53:
- version = AV_FUNC_53;
- break;
- case 54:
-@@ -81,16 +83,19 @@ FFmpegLibWrapper::Link()
- version = AV_FUNC_55;
- break;
- case 56:
- version = AV_FUNC_56;
- break;
- case 57:
- version = AV_FUNC_57;
- break;
-+ case 58:
-+ version = AV_FUNC_58;
-+ break;
- default:
- FFMPEG_LOG("Unknown avcodec version");
- Unlink();
- return isFFMpeg
- ? ((macro > 57)
- ? LinkResult::UnknownFutureFFMpegVersion
- : LinkResult::UnknownOlderFFMpegVersion)
- // All LibAV versions<54.35.1 are blocked, therefore we must be
-@@ -129,19 +134,19 @@ FFmpegLibWrapper::Link()
- AV_FUNC(av_parser_close, AV_FUNC_AVCODEC_ALL)
- AV_FUNC(av_parser_parse2, AV_FUNC_AVCODEC_ALL)
- AV_FUNC(avcodec_alloc_frame, (AV_FUNC_53 | AV_FUNC_54))
- AV_FUNC(avcodec_get_frame_defaults, (AV_FUNC_53 | AV_FUNC_54))
- AV_FUNC(avcodec_free_frame, AV_FUNC_54)
- AV_FUNC(av_log_set_level, AV_FUNC_AVUTIL_ALL)
- AV_FUNC(av_malloc, AV_FUNC_AVUTIL_ALL)
- AV_FUNC(av_freep, AV_FUNC_AVUTIL_ALL)
-- AV_FUNC(av_frame_alloc, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57))
-- AV_FUNC(av_frame_free, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57))
-- AV_FUNC(av_frame_unref, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57))
-+ AV_FUNC(av_frame_alloc, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57 | AV_FUNC_AVUTIL_58))
-+ AV_FUNC(av_frame_free, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57 | AV_FUNC_AVUTIL_58))
-+ AV_FUNC(av_frame_unref, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57 | AV_FUNC_AVUTIL_58))
- AV_FUNC_OPTION(av_frame_get_colorspace, AV_FUNC_AVUTIL_ALL)
- #undef AV_FUNC
- #undef AV_FUNC_OPTION
-
- avcodec_register_all();
- if (MOZ_LOG_TEST(sPDMLog, LogLevel::Debug)) {
- av_log_set_level(AV_LOG_DEBUG);
- } else if (MOZ_LOG_TEST(sPDMLog, LogLevel::Info)) {
-diff --git a/dom/media/platforms/ffmpeg/FFmpegLibs.h b/dom/media/platforms/ffmpeg/FFmpegLibs.h
---- a/dom/media/platforms/ffmpeg/FFmpegLibs.h
-+++ b/dom/media/platforms/ffmpeg/FFmpegLibs.h
-@@ -22,18 +22,20 @@ extern "C" {
- #if LIBAVCODEC_VERSION_MAJOR < 55
- #define AV_CODEC_ID_VP6F CODEC_ID_VP6F
- #define AV_CODEC_ID_H264 CODEC_ID_H264
- #define AV_CODEC_ID_AAC CODEC_ID_AAC
- #define AV_CODEC_ID_MP3 CODEC_ID_MP3
- #define AV_CODEC_ID_VP8 CODEC_ID_VP8
- #define AV_CODEC_ID_NONE CODEC_ID_NONE
- #define AV_CODEC_ID_FLAC CODEC_ID_FLAC
-+typedef CodecID AVCodecID;
-+#endif
-+#if LIBAVCODEC_VERSION_MAJOR <= 55
- #define AV_CODEC_FLAG_LOW_DELAY CODEC_FLAG_LOW_DELAY
--typedef CodecID AVCodecID;
- #endif
-
- #ifdef FFVPX_VERSION
- enum { LIBAV_VER = FFVPX_VERSION };
- #else
- enum { LIBAV_VER = LIBAVCODEC_VERSION_MAJOR };
- #endif
-
-diff --git a/dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.cpp b/dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.cpp
---- a/dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.cpp
-+++ b/dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.cpp
-@@ -21,22 +21,25 @@ template <int V> class FFmpegDecoderModu
- public:
- static already_AddRefed<PlatformDecoderModule> Create(FFmpegLibWrapper*);
- };
-
- static FFmpegLibWrapper sLibAV;
-
- static const char* sLibs[] = {
- #if defined(XP_DARWIN)
-+ "libavcodec.58.dylib",
- "libavcodec.57.dylib",
- "libavcodec.56.dylib",
- "libavcodec.55.dylib",
- "libavcodec.54.dylib",
- "libavcodec.53.dylib",
- #else
-+ "libavcodec.so.58",
-+ "libavcodec-ffmpeg.so.58",
- "libavcodec-ffmpeg.so.57",
- "libavcodec-ffmpeg.so.56",
- "libavcodec.so.57",
- "libavcodec.so.56",
- "libavcodec.so.55",
- "libavcodec.so.54",
- "libavcodec.so.53",
- #endif
-@@ -129,16 +132,17 @@ FFmpegRuntimeLinker::CreateDecoderModule
- }
- RefPtr<PlatformDecoderModule> module;
- switch (sLibAV.mVersion) {
- case 53: module = FFmpegDecoderModule<53>::Create(&sLibAV); break;
- case 54: module = FFmpegDecoderModule<54>::Create(&sLibAV); break;
- case 55:
- case 56: module = FFmpegDecoderModule<55>::Create(&sLibAV); break;
- case 57: module = FFmpegDecoderModule<57>::Create(&sLibAV); break;
-+ case 58: module = FFmpegDecoderModule<58>::Create(&sLibAV); break;
- default: module = nullptr;
- }
- return module.forget();
- }
-
- /* static */ const char*
- FFmpegRuntimeLinker::LinkStatusString()
- {
-diff --git a/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp b/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
---- a/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
-+++ b/dom/media/platforms/ffmpeg/FFmpegVideoDecoder.cpp
-@@ -161,17 +161,17 @@ FFmpegVideoDecoder<LIBAV_VER>::InitCodec
- decode_threads = 8;
- } else if (mInfo.mDisplay.width >= 1024) {
- decode_threads = 4;
- } else if (mInfo.mDisplay.width >= 320) {
- decode_threads = 2;
- }
-
- if (mLowLatency) {
-- mCodecContext->flags |= CODEC_FLAG_LOW_DELAY;
-+ mCodecContext->flags |= AV_CODEC_FLAG_LOW_DELAY;
- // ffvp9 and ffvp8 at this stage do not support slice threading, but it may
- // help with the h264 decoder if there's ever one.
- mCodecContext->thread_type = FF_THREAD_SLICE;
- } else {
- decode_threads = std::min(decode_threads, PR_GetNumberOfProcessors() - 1);
- decode_threads = std::max(decode_threads, 1);
- mCodecContext->thread_count = decode_threads;
- if (decode_threads > 1) {
-diff --git a/dom/media/platforms/ffmpeg/ffmpeg58/include/COPYING.LGPLv2.1 b/dom/media/platforms/ffmpeg/ffmpeg58/include/COPYING.LGPLv2.1
-new file mode 100644
---- /dev/null
-+++ b/dom/media/platforms/ffmpeg/ffmpeg58/include/COPYING.LGPLv2.1
-@@ -0,0 +1,504 @@
-+ GNU LESSER GENERAL PUBLIC LICENSE
-+ Version 2.1, February 1999
-+
-+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
-+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-+ Everyone is permitted to copy and distribute verbatim copies
-+ of this license document, but changing it is not allowed.
-+
-+[This is the first released version of the Lesser GPL. It also counts
-+ as the successor of the GNU Library Public License, version 2, hence
-+ the version number 2.1.]
-+
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-diff --git a/dom/media/platforms/ffmpeg/ffmpeg58/include/libavcodec/avcodec.h b/dom/media/platforms/ffmpeg/ffmpeg58/include/libavcodec/avcodec.h
-new file mode 100644
---- /dev/null
-+++ b/dom/media/platforms/ffmpeg/ffmpeg58/include/libavcodec/avcodec.h
-@@ -0,0 +1,6146 @@
-+/*
-+ * copyright (c) 2001 Fabrice Bellard
-+ *
-+ * This file is part of FFmpeg.
-+ *
-+ * FFmpeg is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU Lesser General Public
-+ * License as published by the Free Software Foundation; either
-+ * version 2.1 of the License, or (at your option) any later version.
-+ *
-+ * FFmpeg is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * Lesser General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU Lesser General Public
-+ * License along with FFmpeg; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-+ */
-+
-+#ifndef AVCODEC_AVCODEC_H
-+#define AVCODEC_AVCODEC_H
-+
-+/**
-+ * @file
-+ * @ingroup libavc
-+ * Libavcodec external API header
-+ */
-+
-+#include <errno.h>
-+#include "libavutil/samplefmt.h"
-+#include "libavutil/attributes.h"
-+#include "libavutil/avutil.h"
-+#include "libavutil/buffer.h"
-+#include "libavutil/cpu.h"
-+#include "libavutil/channel_layout.h"
-+#include "libavutil/dict.h"
-+#include "libavutil/frame.h"
-+#include "libavutil/hwcontext.h"
-+#include "libavutil/log.h"
-+#include "libavutil/pixfmt.h"
-+#include "libavutil/rational.h"
-+
-+#include "version.h"
-+
-+/**
-+ * @defgroup libavc libavcodec
-+ * Encoding/Decoding Library
-+ *
-+ * @{
-+ *
-+ * @defgroup lavc_decoding Decoding
-+ * @{
-+ * @}
-+ *
-+ * @defgroup lavc_encoding Encoding
-+ * @{
-+ * @}
-+ *
-+ * @defgroup lavc_codec Codecs
-+ * @{
-+ * @defgroup lavc_codec_native Native Codecs
-+ * @{
-+ * @}
-+ * @defgroup lavc_codec_wrappers External library wrappers
-+ * @{
-+ * @}
-+ * @defgroup lavc_codec_hwaccel Hardware Accelerators bridge
-+ * @{
-+ * @}
-+ * @}
-+ * @defgroup lavc_internal Internal
-+ * @{
-+ * @}
-+ * @}
-+ */
-+
-+/**
-+ * @ingroup libavc
-+ * @defgroup lavc_encdec send/receive encoding and decoding API overview
-+ * @{
-+ *
-+ * The avcodec_send_packet()/avcodec_receive_frame()/avcodec_send_frame()/
-+ * avcodec_receive_packet() functions provide an encode/decode API, which
-+ * decouples input and output.
-+ *
-+ * The API is very similar for encoding/decoding and audio/video, and works as
-+ * follows:
-+ * - Set up and open the AVCodecContext as usual.
-+ * - Send valid input:
-+ * - For decoding, call avcodec_send_packet() to give the decoder raw
-+ * compressed data in an AVPacket.
-+ * - For encoding, call avcodec_send_frame() to give the encoder an AVFrame
-+ * containing uncompressed audio or video.
-+ * In both cases, it is recommended that AVPackets and AVFrames are
-+ * refcounted, or libavcodec might have to copy the input data. (libavformat
-+ * always returns refcounted AVPackets, and av_frame_get_buffer() allocates
-+ * refcounted AVFrames.)
-+ * - Receive output in a loop. Periodically call one of the avcodec_receive_*()
-+ * functions and process their output:
-+ * - For decoding, call avcodec_receive_frame(). On success, it will return
-+ * an AVFrame containing uncompressed audio or video data.
-+ * - For encoding, call avcodec_receive_packet(). On success, it will return
-+ * an AVPacket with a compressed frame.
-+ * Repeat this call until it returns AVERROR(EAGAIN) or an error. The
-+ * AVERROR(EAGAIN) return value means that new input data is required to
-+ * return new output. In this case, continue with sending input. For each
-+ * input frame/packet, the codec will typically return 1 output frame/packet,
-+ * but it can also be 0 or more than 1.
-+ *
-+ * At the beginning of decoding or encoding, the codec might accept multiple
-+ * input frames/packets without returning a frame, until its internal buffers
-+ * are filled. This situation is handled transparently if you follow the steps
-+ * outlined above.
-+ *
-+ * In theory, sending input can result in EAGAIN - this should happen only if
-+ * not all output was received. You can use this to structure alternative decode
-+ * or encode loops other than the one suggested above. For example, you could
-+ * try sending new input on each iteration, and try to receive output if that
-+ * returns EAGAIN.
-+ *
-+ * End of stream situations. These require "flushing" (aka draining) the codec,
-+ * as the codec might buffer multiple frames or packets internally for
-+ * performance or out of necessity (consider B-frames).
-+ * This is handled as follows:
-+ * - Instead of valid input, send NULL to the avcodec_send_packet() (decoding)
-+ * or avcodec_send_frame() (encoding) functions. This will enter draining
-+ * mode.
-+ * - Call avcodec_receive_frame() (decoding) or avcodec_receive_packet()
-+ * (encoding) in a loop until AVERROR_EOF is returned. The functions will
-+ * not return AVERROR(EAGAIN), unless you forgot to enter draining mode.
-+ * - Before decoding can be resumed again, the codec has to be reset with
-+ * avcodec_flush_buffers().
-+ *
-+ * Using the API as outlined above is highly recommended. But it is also
-+ * possible to call functions outside of this rigid schema. For example, you can
-+ * call avcodec_send_packet() repeatedly without calling
-+ * avcodec_receive_frame(). In this case, avcodec_send_packet() will succeed
-+ * until the codec's internal buffer has been filled up (which is typically of
-+ * size 1 per output frame, after initial input), and then reject input with
-+ * AVERROR(EAGAIN). Once it starts rejecting input, you have no choice but to
-+ * read at least some output.
-+ *
-+ * Not all codecs will follow a rigid and predictable dataflow; the only
-+ * guarantee is that an AVERROR(EAGAIN) return value on a send/receive call on
-+ * one end implies that a receive/send call on the other end will succeed, or
-+ * at least will not fail with AVERROR(EAGAIN). In general, no codec will
-+ * permit unlimited buffering of input or output.
-+ *
-+ * This API replaces the following legacy functions:
-+ * - avcodec_decode_video2() and avcodec_decode_audio4():
-+ * Use avcodec_send_packet() to feed input to the decoder, then use
-+ * avcodec_receive_frame() to receive decoded frames after each packet.
-+ * Unlike with the old video decoding API, multiple frames might result from
-+ * a packet. For audio, splitting the input packet into frames by partially
-+ * decoding packets becomes transparent to the API user. You never need to
-+ * feed an AVPacket to the API twice (unless it is rejected with AVERROR(EAGAIN) - then
-+ * no data was read from the packet).
-+ * Additionally, sending a flush/draining packet is required only once.
-+ * - avcodec_encode_video2()/avcodec_encode_audio2():
-+ * Use avcodec_send_frame() to feed input to the encoder, then use
-+ * avcodec_receive_packet() to receive encoded packets.
-+ * Providing user-allocated buffers for avcodec_receive_packet() is not
-+ * possible.
-+ * - The new API does not handle subtitles yet.
-+ *
-+ * Mixing new and old function calls on the same AVCodecContext is not allowed,
-+ * and will result in undefined behavior.
-+ *
-+ * Some codecs might require using the new API; using the old API will return
-+ * an error when calling it. All codecs support the new API.
-+ *
-+ * A codec is not allowed to return AVERROR(EAGAIN) for both sending and receiving. This
-+ * would be an invalid state, which could put the codec user into an endless
-+ * loop. The API has no concept of time either: it cannot happen that trying to
-+ * do avcodec_send_packet() results in AVERROR(EAGAIN), but a repeated call 1 second
-+ * later accepts the packet (with no other receive/flush API calls involved).
-+ * The API is a strict state machine, and the passage of time is not supposed
-+ * to influence it. Some timing-dependent behavior might still be deemed
-+ * acceptable in certain cases. But it must never result in both send/receive
-+ * returning EAGAIN at the same time at any point. It must also absolutely be
-+ * avoided that the current state is "unstable" and can "flip-flop" between
-+ * the send/receive APIs allowing progress. For example, it's not allowed that
-+ * the codec randomly decides that it actually wants to consume a packet now
-+ * instead of returning a frame, after it just returned AVERROR(EAGAIN) on an
-+ * avcodec_send_packet() call.
-+ * @}
-+ */
-+
-+/**
-+ * @defgroup lavc_core Core functions/structures.
-+ * @ingroup libavc
-+ *
-+ * Basic definitions, functions for querying libavcodec capabilities,
-+ * allocating core structures, etc.
-+ * @{
-+ */
-+
-+
-+/**
-+ * Identify the syntax and semantics of the bitstream.
-+ * The principle is roughly:
-+ * Two decoders with the same ID can decode the same streams.
-+ * Two encoders with the same ID can encode compatible streams.
-+ * There may be slight deviations from the principle due to implementation
-+ * details.
-+ *
-+ * If you add a codec ID to this list, add it so that
-+ * 1. no value of an existing codec ID changes (that would break ABI),
-+ * 2. it is as close as possible to similar codecs
-+ *
-+ * After adding new codec IDs, do not forget to add an entry to the codec
-+ * descriptor list and bump libavcodec minor version.
-+ */
-+enum AVCodecID {
-+ AV_CODEC_ID_NONE,
-+
-+ /* video codecs */
-+ AV_CODEC_ID_MPEG1VIDEO,
-+ AV_CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding
-+ AV_CODEC_ID_H261,
-+ AV_CODEC_ID_H263,
-+ AV_CODEC_ID_RV10,
-+ AV_CODEC_ID_RV20,
-+ AV_CODEC_ID_MJPEG,
-+ AV_CODEC_ID_MJPEGB,
-+ AV_CODEC_ID_LJPEG,
-+ AV_CODEC_ID_SP5X,
-+ AV_CODEC_ID_JPEGLS,
-+ AV_CODEC_ID_MPEG4,
-+ AV_CODEC_ID_RAWVIDEO,
-+ AV_CODEC_ID_MSMPEG4V1,
-+ AV_CODEC_ID_MSMPEG4V2,
-+ AV_CODEC_ID_MSMPEG4V3,
-+ AV_CODEC_ID_WMV1,
-+ AV_CODEC_ID_WMV2,
-+ AV_CODEC_ID_H263P,
-+ AV_CODEC_ID_H263I,
-+ AV_CODEC_ID_FLV1,
-+ AV_CODEC_ID_SVQ1,
-+ AV_CODEC_ID_SVQ3,
-+ AV_CODEC_ID_DVVIDEO,
-+ AV_CODEC_ID_HUFFYUV,
-+ AV_CODEC_ID_CYUV,
-+ AV_CODEC_ID_H264,
-+ AV_CODEC_ID_INDEO3,
-+ AV_CODEC_ID_VP3,
-+ AV_CODEC_ID_THEORA,
-+ AV_CODEC_ID_ASV1,
-+ AV_CODEC_ID_ASV2,
-+ AV_CODEC_ID_FFV1,
-+ AV_CODEC_ID_4XM,
-+ AV_CODEC_ID_VCR1,
-+ AV_CODEC_ID_CLJR,
-+ AV_CODEC_ID_MDEC,
-+ AV_CODEC_ID_ROQ,
-+ AV_CODEC_ID_INTERPLAY_VIDEO,
-+ AV_CODEC_ID_XAN_WC3,
-+ AV_CODEC_ID_XAN_WC4,
-+ AV_CODEC_ID_RPZA,
-+ AV_CODEC_ID_CINEPAK,
-+ AV_CODEC_ID_WS_VQA,
-+ AV_CODEC_ID_MSRLE,
-+ AV_CODEC_ID_MSVIDEO1,
-+ AV_CODEC_ID_IDCIN,
-+ AV_CODEC_ID_8BPS,
-+ AV_CODEC_ID_SMC,
-+ AV_CODEC_ID_FLIC,
-+ AV_CODEC_ID_TRUEMOTION1,
-+ AV_CODEC_ID_VMDVIDEO,
-+ AV_CODEC_ID_MSZH,
-+ AV_CODEC_ID_ZLIB,
-+ AV_CODEC_ID_QTRLE,
-+ AV_CODEC_ID_TSCC,
-+ AV_CODEC_ID_ULTI,
-+ AV_CODEC_ID_QDRAW,
-+ AV_CODEC_ID_VIXL,
-+ AV_CODEC_ID_QPEG,
-+ AV_CODEC_ID_PNG,
-+ AV_CODEC_ID_PPM,
-+ AV_CODEC_ID_PBM,
-+ AV_CODEC_ID_PGM,
-+ AV_CODEC_ID_PGMYUV,
-+ AV_CODEC_ID_PAM,
-+ AV_CODEC_ID_FFVHUFF,
-+ AV_CODEC_ID_RV30,
-+ AV_CODEC_ID_RV40,
-+ AV_CODEC_ID_VC1,
-+ AV_CODEC_ID_WMV3,
-+ AV_CODEC_ID_LOCO,
-+ AV_CODEC_ID_WNV1,
-+ AV_CODEC_ID_AASC,
-+ AV_CODEC_ID_INDEO2,
-+ AV_CODEC_ID_FRAPS,
-+ AV_CODEC_ID_TRUEMOTION2,
-+ AV_CODEC_ID_BMP,
-+ AV_CODEC_ID_CSCD,
-+ AV_CODEC_ID_MMVIDEO,
-+ AV_CODEC_ID_ZMBV,
-+ AV_CODEC_ID_AVS,
-+ AV_CODEC_ID_SMACKVIDEO,
-+ AV_CODEC_ID_NUV,
-+ AV_CODEC_ID_KMVC,
-+ AV_CODEC_ID_FLASHSV,
-+ AV_CODEC_ID_CAVS,
-+ AV_CODEC_ID_JPEG2000,
-+ AV_CODEC_ID_VMNC,
-+ AV_CODEC_ID_VP5,
-+ AV_CODEC_ID_VP6,
-+ AV_CODEC_ID_VP6F,
-+ AV_CODEC_ID_TARGA,
-+ AV_CODEC_ID_DSICINVIDEO,
-+ AV_CODEC_ID_TIERTEXSEQVIDEO,
-+ AV_CODEC_ID_TIFF,
-+ AV_CODEC_ID_GIF,
-+ AV_CODEC_ID_DXA,
-+ AV_CODEC_ID_DNXHD,
-+ AV_CODEC_ID_THP,
-+ AV_CODEC_ID_SGI,
-+ AV_CODEC_ID_C93,
-+ AV_CODEC_ID_BETHSOFTVID,
-+ AV_CODEC_ID_PTX,
-+ AV_CODEC_ID_TXD,
-+ AV_CODEC_ID_VP6A,
-+ AV_CODEC_ID_AMV,
-+ AV_CODEC_ID_VB,
-+ AV_CODEC_ID_PCX,
-+ AV_CODEC_ID_SUNRAST,
-+ AV_CODEC_ID_INDEO4,
-+ AV_CODEC_ID_INDEO5,
-+ AV_CODEC_ID_MIMIC,
-+ AV_CODEC_ID_RL2,
-+ AV_CODEC_ID_ESCAPE124,
-+ AV_CODEC_ID_DIRAC,
-+ AV_CODEC_ID_BFI,
-+ AV_CODEC_ID_CMV,
-+ AV_CODEC_ID_MOTIONPIXELS,
-+ AV_CODEC_ID_TGV,
-+ AV_CODEC_ID_TGQ,
-+ AV_CODEC_ID_TQI,
-+ AV_CODEC_ID_AURA,
-+ AV_CODEC_ID_AURA2,
-+ AV_CODEC_ID_V210X,
-+ AV_CODEC_ID_TMV,
-+ AV_CODEC_ID_V210,
-+ AV_CODEC_ID_DPX,
-+ AV_CODEC_ID_MAD,
-+ AV_CODEC_ID_FRWU,
-+ AV_CODEC_ID_FLASHSV2,
-+ AV_CODEC_ID_CDGRAPHICS,
-+ AV_CODEC_ID_R210,
-+ AV_CODEC_ID_ANM,
-+ AV_CODEC_ID_BINKVIDEO,
-+ AV_CODEC_ID_IFF_ILBM,
-+#define AV_CODEC_ID_IFF_BYTERUN1 AV_CODEC_ID_IFF_ILBM
-+ AV_CODEC_ID_KGV1,
-+ AV_CODEC_ID_YOP,
-+ AV_CODEC_ID_VP8,
-+ AV_CODEC_ID_PICTOR,
-+ AV_CODEC_ID_ANSI,
-+ AV_CODEC_ID_A64_MULTI,
-+ AV_CODEC_ID_A64_MULTI5,
-+ AV_CODEC_ID_R10K,
-+ AV_CODEC_ID_MXPEG,
-+ AV_CODEC_ID_LAGARITH,
-+ AV_CODEC_ID_PRORES,
-+ AV_CODEC_ID_JV,
-+ AV_CODEC_ID_DFA,
-+ AV_CODEC_ID_WMV3IMAGE,
-+ AV_CODEC_ID_VC1IMAGE,
-+ AV_CODEC_ID_UTVIDEO,
-+ AV_CODEC_ID_BMV_VIDEO,
-+ AV_CODEC_ID_VBLE,
-+ AV_CODEC_ID_DXTORY,
-+ AV_CODEC_ID_V410,
-+ AV_CODEC_ID_XWD,
-+ AV_CODEC_ID_CDXL,
-+ AV_CODEC_ID_XBM,
-+ AV_CODEC_ID_ZEROCODEC,
-+ AV_CODEC_ID_MSS1,
-+ AV_CODEC_ID_MSA1,
-+ AV_CODEC_ID_TSCC2,
-+ AV_CODEC_ID_MTS2,
-+ AV_CODEC_ID_CLLC,
-+ AV_CODEC_ID_MSS2,
-+ AV_CODEC_ID_VP9,
-+ AV_CODEC_ID_AIC,
-+ AV_CODEC_ID_ESCAPE130,
-+ AV_CODEC_ID_G2M,
-+ AV_CODEC_ID_WEBP,
-+ AV_CODEC_ID_HNM4_VIDEO,
-+ AV_CODEC_ID_HEVC,
-+#define AV_CODEC_ID_H265 AV_CODEC_ID_HEVC
-+ AV_CODEC_ID_FIC,
-+ AV_CODEC_ID_ALIAS_PIX,
-+ AV_CODEC_ID_BRENDER_PIX,
-+ AV_CODEC_ID_PAF_VIDEO,
-+ AV_CODEC_ID_EXR,
-+ AV_CODEC_ID_VP7,
-+ AV_CODEC_ID_SANM,
-+ AV_CODEC_ID_SGIRLE,
-+ AV_CODEC_ID_MVC1,
-+ AV_CODEC_ID_MVC2,
-+ AV_CODEC_ID_HQX,
-+ AV_CODEC_ID_TDSC,
-+ AV_CODEC_ID_HQ_HQA,
-+ AV_CODEC_ID_HAP,
-+ AV_CODEC_ID_DDS,
-+ AV_CODEC_ID_DXV,
-+ AV_CODEC_ID_SCREENPRESSO,
-+ AV_CODEC_ID_RSCC,
-+
-+ AV_CODEC_ID_Y41P = 0x8000,
-+ AV_CODEC_ID_AVRP,
-+ AV_CODEC_ID_012V,
-+ AV_CODEC_ID_AVUI,
-+ AV_CODEC_ID_AYUV,
-+ AV_CODEC_ID_TARGA_Y216,
-+ AV_CODEC_ID_V308,
-+ AV_CODEC_ID_V408,
-+ AV_CODEC_ID_YUV4,
-+ AV_CODEC_ID_AVRN,
-+ AV_CODEC_ID_CPIA,
-+ AV_CODEC_ID_XFACE,
-+ AV_CODEC_ID_SNOW,
-+ AV_CODEC_ID_SMVJPEG,
-+ AV_CODEC_ID_APNG,
-+ AV_CODEC_ID_DAALA,
-+ AV_CODEC_ID_CFHD,
-+ AV_CODEC_ID_TRUEMOTION2RT,
-+ AV_CODEC_ID_M101,
-+ AV_CODEC_ID_MAGICYUV,
-+ AV_CODEC_ID_SHEERVIDEO,
-+ AV_CODEC_ID_YLC,
-+ AV_CODEC_ID_PSD,
-+ AV_CODEC_ID_PIXLET,
-+ AV_CODEC_ID_SPEEDHQ,
-+ AV_CODEC_ID_FMVC,
-+ AV_CODEC_ID_SCPR,
-+ AV_CODEC_ID_CLEARVIDEO,
-+ AV_CODEC_ID_XPM,
-+ AV_CODEC_ID_AV1,
-+ AV_CODEC_ID_BITPACKED,
-+ AV_CODEC_ID_MSCC,
-+ AV_CODEC_ID_SRGC,
-+ AV_CODEC_ID_SVG,
-+ AV_CODEC_ID_GDV,
-+ AV_CODEC_ID_FITS,
-+
-+ /* various PCM "codecs" */
-+ AV_CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
-+ AV_CODEC_ID_PCM_S16LE = 0x10000,
-+ AV_CODEC_ID_PCM_S16BE,
-+ AV_CODEC_ID_PCM_U16LE,
-+ AV_CODEC_ID_PCM_U16BE,
-+ AV_CODEC_ID_PCM_S8,
-+ AV_CODEC_ID_PCM_U8,
-+ AV_CODEC_ID_PCM_MULAW,
-+ AV_CODEC_ID_PCM_ALAW,
-+ AV_CODEC_ID_PCM_S32LE,
-+ AV_CODEC_ID_PCM_S32BE,
-+ AV_CODEC_ID_PCM_U32LE,
-+ AV_CODEC_ID_PCM_U32BE,
-+ AV_CODEC_ID_PCM_S24LE,
-+ AV_CODEC_ID_PCM_S24BE,
-+ AV_CODEC_ID_PCM_U24LE,
-+ AV_CODEC_ID_PCM_U24BE,
-+ AV_CODEC_ID_PCM_S24DAUD,
-+ AV_CODEC_ID_PCM_ZORK,
-+ AV_CODEC_ID_PCM_S16LE_PLANAR,
-+ AV_CODEC_ID_PCM_DVD,
-+ AV_CODEC_ID_PCM_F32BE,
-+ AV_CODEC_ID_PCM_F32LE,
-+ AV_CODEC_ID_PCM_F64BE,
-+ AV_CODEC_ID_PCM_F64LE,
-+ AV_CODEC_ID_PCM_BLURAY,
-+ AV_CODEC_ID_PCM_LXF,
-+ AV_CODEC_ID_S302M,
-+ AV_CODEC_ID_PCM_S8_PLANAR,
-+ AV_CODEC_ID_PCM_S24LE_PLANAR,
-+ AV_CODEC_ID_PCM_S32LE_PLANAR,
-+ AV_CODEC_ID_PCM_S16BE_PLANAR,
-+
-+ AV_CODEC_ID_PCM_S64LE = 0x10800,
-+ AV_CODEC_ID_PCM_S64BE,
-+ AV_CODEC_ID_PCM_F16LE,
-+ AV_CODEC_ID_PCM_F24LE,
-+
-+ /* various ADPCM codecs */
-+ AV_CODEC_ID_ADPCM_IMA_QT = 0x11000,
-+ AV_CODEC_ID_ADPCM_IMA_WAV,
-+ AV_CODEC_ID_ADPCM_IMA_DK3,
-+ AV_CODEC_ID_ADPCM_IMA_DK4,
-+ AV_CODEC_ID_ADPCM_IMA_WS,
-+ AV_CODEC_ID_ADPCM_IMA_SMJPEG,
-+ AV_CODEC_ID_ADPCM_MS,
-+ AV_CODEC_ID_ADPCM_4XM,
-+ AV_CODEC_ID_ADPCM_XA,
-+ AV_CODEC_ID_ADPCM_ADX,
-+ AV_CODEC_ID_ADPCM_EA,
-+ AV_CODEC_ID_ADPCM_G726,
-+ AV_CODEC_ID_ADPCM_CT,
-+ AV_CODEC_ID_ADPCM_SWF,
-+ AV_CODEC_ID_ADPCM_YAMAHA,
-+ AV_CODEC_ID_ADPCM_SBPRO_4,
-+ AV_CODEC_ID_ADPCM_SBPRO_3,
-+ AV_CODEC_ID_ADPCM_SBPRO_2,
-+ AV_CODEC_ID_ADPCM_THP,
-+ AV_CODEC_ID_ADPCM_IMA_AMV,
-+ AV_CODEC_ID_ADPCM_EA_R1,
-+ AV_CODEC_ID_ADPCM_EA_R3,
-+ AV_CODEC_ID_ADPCM_EA_R2,
-+ AV_CODEC_ID_ADPCM_IMA_EA_SEAD,
-+ AV_CODEC_ID_ADPCM_IMA_EA_EACS,
-+ AV_CODEC_ID_ADPCM_EA_XAS,
-+ AV_CODEC_ID_ADPCM_EA_MAXIS_XA,
-+ AV_CODEC_ID_ADPCM_IMA_ISS,
-+ AV_CODEC_ID_ADPCM_G722,
-+ AV_CODEC_ID_ADPCM_IMA_APC,
-+ AV_CODEC_ID_ADPCM_VIMA,
-+
-+ AV_CODEC_ID_ADPCM_AFC = 0x11800,
-+ AV_CODEC_ID_ADPCM_IMA_OKI,
-+ AV_CODEC_ID_ADPCM_DTK,
-+ AV_CODEC_ID_ADPCM_IMA_RAD,
-+ AV_CODEC_ID_ADPCM_G726LE,
-+ AV_CODEC_ID_ADPCM_THP_LE,
-+ AV_CODEC_ID_ADPCM_PSX,
-+ AV_CODEC_ID_ADPCM_AICA,
-+ AV_CODEC_ID_ADPCM_IMA_DAT4,
-+ AV_CODEC_ID_ADPCM_MTAF,
-+
-+ /* AMR */
-+ AV_CODEC_ID_AMR_NB = 0x12000,
-+ AV_CODEC_ID_AMR_WB,
-+
-+ /* RealAudio codecs*/
-+ AV_CODEC_ID_RA_144 = 0x13000,
-+ AV_CODEC_ID_RA_288,
-+
-+ /* various DPCM codecs */
-+ AV_CODEC_ID_ROQ_DPCM = 0x14000,
-+ AV_CODEC_ID_INTERPLAY_DPCM,
-+ AV_CODEC_ID_XAN_DPCM,
-+ AV_CODEC_ID_SOL_DPCM,
-+
-+ AV_CODEC_ID_SDX2_DPCM = 0x14800,
-+ AV_CODEC_ID_GREMLIN_DPCM,
-+
-+ /* audio codecs */
-+ AV_CODEC_ID_MP2 = 0x15000,
-+ AV_CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3
-+ AV_CODEC_ID_AAC,
-+ AV_CODEC_ID_AC3,
-+ AV_CODEC_ID_DTS,
-+ AV_CODEC_ID_VORBIS,
-+ AV_CODEC_ID_DVAUDIO,
-+ AV_CODEC_ID_WMAV1,
-+ AV_CODEC_ID_WMAV2,
-+ AV_CODEC_ID_MACE3,
-+ AV_CODEC_ID_MACE6,
-+ AV_CODEC_ID_VMDAUDIO,
-+ AV_CODEC_ID_FLAC,
-+ AV_CODEC_ID_MP3ADU,
-+ AV_CODEC_ID_MP3ON4,
-+ AV_CODEC_ID_SHORTEN,
-+ AV_CODEC_ID_ALAC,
-+ AV_CODEC_ID_WESTWOOD_SND1,
-+ AV_CODEC_ID_GSM, ///< as in Berlin toast format
-+ AV_CODEC_ID_QDM2,
-+ AV_CODEC_ID_COOK,
-+ AV_CODEC_ID_TRUESPEECH,
-+ AV_CODEC_ID_TTA,
-+ AV_CODEC_ID_SMACKAUDIO,
-+ AV_CODEC_ID_QCELP,
-+ AV_CODEC_ID_WAVPACK,
-+ AV_CODEC_ID_DSICINAUDIO,
-+ AV_CODEC_ID_IMC,
-+ AV_CODEC_ID_MUSEPACK7,
-+ AV_CODEC_ID_MLP,
-+ AV_CODEC_ID_GSM_MS, /* as found in WAV */
-+ AV_CODEC_ID_ATRAC3,
-+ AV_CODEC_ID_APE,
-+ AV_CODEC_ID_NELLYMOSER,
-+ AV_CODEC_ID_MUSEPACK8,
-+ AV_CODEC_ID_SPEEX,
-+ AV_CODEC_ID_WMAVOICE,
-+ AV_CODEC_ID_WMAPRO,
-+ AV_CODEC_ID_WMALOSSLESS,
-+ AV_CODEC_ID_ATRAC3P,
-+ AV_CODEC_ID_EAC3,
-+ AV_CODEC_ID_SIPR,
-+ AV_CODEC_ID_MP1,
-+ AV_CODEC_ID_TWINVQ,
-+ AV_CODEC_ID_TRUEHD,
-+ AV_CODEC_ID_MP4ALS,
-+ AV_CODEC_ID_ATRAC1,
-+ AV_CODEC_ID_BINKAUDIO_RDFT,
-+ AV_CODEC_ID_BINKAUDIO_DCT,
-+ AV_CODEC_ID_AAC_LATM,
-+ AV_CODEC_ID_QDMC,
-+ AV_CODEC_ID_CELT,
-+ AV_CODEC_ID_G723_1,
-+ AV_CODEC_ID_G729,
-+ AV_CODEC_ID_8SVX_EXP,
-+ AV_CODEC_ID_8SVX_FIB,
-+ AV_CODEC_ID_BMV_AUDIO,
-+ AV_CODEC_ID_RALF,
-+ AV_CODEC_ID_IAC,
-+ AV_CODEC_ID_ILBC,
-+ AV_CODEC_ID_OPUS,
-+ AV_CODEC_ID_COMFORT_NOISE,
-+ AV_CODEC_ID_TAK,
-+ AV_CODEC_ID_METASOUND,
-+ AV_CODEC_ID_PAF_AUDIO,
-+ AV_CODEC_ID_ON2AVC,
-+ AV_CODEC_ID_DSS_SP,
-+ AV_CODEC_ID_CODEC2,
-+
-+ AV_CODEC_ID_FFWAVESYNTH = 0x15800,
-+ AV_CODEC_ID_SONIC,
-+ AV_CODEC_ID_SONIC_LS,
-+ AV_CODEC_ID_EVRC,
-+ AV_CODEC_ID_SMV,
-+ AV_CODEC_ID_DSD_LSBF,
-+ AV_CODEC_ID_DSD_MSBF,
-+ AV_CODEC_ID_DSD_LSBF_PLANAR,
-+ AV_CODEC_ID_DSD_MSBF_PLANAR,
-+ AV_CODEC_ID_4GV,
-+ AV_CODEC_ID_INTERPLAY_ACM,
-+ AV_CODEC_ID_XMA1,
-+ AV_CODEC_ID_XMA2,
-+ AV_CODEC_ID_DST,
-+ AV_CODEC_ID_ATRAC3AL,
-+ AV_CODEC_ID_ATRAC3PAL,
-+ AV_CODEC_ID_DOLBY_E,
-+ AV_CODEC_ID_APTX,
-+ AV_CODEC_ID_APTX_HD,
-+ AV_CODEC_ID_SBC,
-+
-+ /* subtitle codecs */
-+ AV_CODEC_ID_FIRST_SUBTITLE = 0x17000, ///< A dummy ID pointing at the start of subtitle codecs.
-+ AV_CODEC_ID_DVD_SUBTITLE = 0x17000,
-+ AV_CODEC_ID_DVB_SUBTITLE,
-+ AV_CODEC_ID_TEXT, ///< raw UTF-8 text
-+ AV_CODEC_ID_XSUB,
-+ AV_CODEC_ID_SSA,
-+ AV_CODEC_ID_MOV_TEXT,
-+ AV_CODEC_ID_HDMV_PGS_SUBTITLE,
-+ AV_CODEC_ID_DVB_TELETEXT,
-+ AV_CODEC_ID_SRT,
-+
-+ AV_CODEC_ID_MICRODVD = 0x17800,
-+ AV_CODEC_ID_EIA_608,
-+ AV_CODEC_ID_JACOSUB,
-+ AV_CODEC_ID_SAMI,
-+ AV_CODEC_ID_REALTEXT,
-+ AV_CODEC_ID_STL,
-+ AV_CODEC_ID_SUBVIEWER1,
-+ AV_CODEC_ID_SUBVIEWER,
-+ AV_CODEC_ID_SUBRIP,
-+ AV_CODEC_ID_WEBVTT,
-+ AV_CODEC_ID_MPL2,
-+ AV_CODEC_ID_VPLAYER,
-+ AV_CODEC_ID_PJS,
-+ AV_CODEC_ID_ASS,
-+ AV_CODEC_ID_HDMV_TEXT_SUBTITLE,
-+
-+ /* other specific kind of codecs (generally used for attachments) */
-+ AV_CODEC_ID_FIRST_UNKNOWN = 0x18000, ///< A dummy ID pointing at the start of various fake codecs.
-+ AV_CODEC_ID_TTF = 0x18000,
-+
-+ AV_CODEC_ID_SCTE_35, ///< Contain timestamp estimated through PCR of program stream.
-+ AV_CODEC_ID_BINTEXT = 0x18800,
-+ AV_CODEC_ID_XBIN,
-+ AV_CODEC_ID_IDF,
-+ AV_CODEC_ID_OTF,
-+ AV_CODEC_ID_SMPTE_KLV,
-+ AV_CODEC_ID_DVD_NAV,
-+ AV_CODEC_ID_TIMED_ID3,
-+ AV_CODEC_ID_BIN_DATA,
-+
-+
-+ AV_CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it
-+
-+ AV_CODEC_ID_MPEG2TS = 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS
-+ * stream (only used by libavformat) */
-+ AV_CODEC_ID_MPEG4SYSTEMS = 0x20001, /**< _FAKE_ codec to indicate a MPEG-4 Systems
-+ * stream (only used by libavformat) */
-+ AV_CODEC_ID_FFMETADATA = 0x21000, ///< Dummy codec for streams containing only metadata information.
-+ AV_CODEC_ID_WRAPPED_AVFRAME = 0x21001, ///< Passthrough codec, AVFrames wrapped in AVPacket
-+};
-+
-+/**
-+ * This struct describes the properties of a single codec described by an
-+ * AVCodecID.
-+ * @see avcodec_descriptor_get()
-+ */
-+typedef struct AVCodecDescriptor {
-+ enum AVCodecID id;
-+ enum AVMediaType type;
-+ /**
-+ * Name of the codec described by this descriptor. It is non-empty and
-+ * unique for each codec descriptor. It should contain alphanumeric
-+ * characters and '_' only.
-+ */
-+ const char *name;
-+ /**
-+ * A more descriptive name for this codec. May be NULL.
-+ */
-+ const char *long_name;
-+ /**
-+ * Codec properties, a combination of AV_CODEC_PROP_* flags.
-+ */
-+ int props;
-+ /**
-+ * MIME type(s) associated with the codec.
-+ * May be NULL; if not, a NULL-terminated array of MIME types.
-+ * The first item is always non-NULL and is the preferred MIME type.
-+ */
-+ const char *const *mime_types;
-+ /**
-+ * If non-NULL, an array of profiles recognized for this codec.
-+ * Terminated with FF_PROFILE_UNKNOWN.
-+ */
-+ const struct AVProfile *profiles;
-+} AVCodecDescriptor;
-+
-+/**
-+ * Codec uses only intra compression.
-+ * Video and audio codecs only.
-+ */
-+#define AV_CODEC_PROP_INTRA_ONLY (1 << 0)
-+/**
-+ * Codec supports lossy compression. Audio and video codecs only.
-+ * @note a codec may support both lossy and lossless
-+ * compression modes
-+ */
-+#define AV_CODEC_PROP_LOSSY (1 << 1)
-+/**
-+ * Codec supports lossless compression. Audio and video codecs only.
-+ */
-+#define AV_CODEC_PROP_LOSSLESS (1 << 2)
-+/**
-+ * Codec supports frame reordering. That is, the coded order (the order in which
-+ * the encoded packets are output by the encoders / stored / input to the
-+ * decoders) may be different from the presentation order of the corresponding
-+ * frames.
-+ *
-+ * For codecs that do not have this property set, PTS and DTS should always be
-+ * equal.
-+ */
-+#define AV_CODEC_PROP_REORDER (1 << 3)
-+/**
-+ * Subtitle codec is bitmap based
-+ * Decoded AVSubtitle data can be read from the AVSubtitleRect->pict field.
-+ */
-+#define AV_CODEC_PROP_BITMAP_SUB (1 << 16)
-+/**
-+ * Subtitle codec is text based.
-+ * Decoded AVSubtitle data can be read from the AVSubtitleRect->ass field.
-+ */
-+#define AV_CODEC_PROP_TEXT_SUB (1 << 17)
-+
-+/**
-+ * @ingroup lavc_decoding
-+ * Required number of additionally allocated bytes at the end of the input bitstream for decoding.
-+ * This is mainly needed because some optimized bitstream readers read
-+ * 32 or 64 bit at once and could read over the end.<br>
-+ * Note: If the first 23 bits of the additional bytes are not 0, then damaged
-+ * MPEG bitstreams could cause overread and segfault.
-+ */
-+#define AV_INPUT_BUFFER_PADDING_SIZE 64
-+
-+/**
-+ * @ingroup lavc_encoding
-+ * minimum encoding buffer size
-+ * Used to avoid some checks during header writing.
-+ */
-+#define AV_INPUT_BUFFER_MIN_SIZE 16384
-+
-+/**
-+ * @ingroup lavc_decoding
-+ */
-+enum AVDiscard{
-+ /* We leave some space between them for extensions (drop some
-+ * keyframes for intra-only or drop just some bidir frames). */
-+ AVDISCARD_NONE =-16, ///< discard nothing
-+ AVDISCARD_DEFAULT = 0, ///< discard useless packets like 0 size packets in avi
-+ AVDISCARD_NONREF = 8, ///< discard all non reference
-+ AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames
-+ AVDISCARD_NONINTRA= 24, ///< discard all non intra frames
-+ AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes
-+ AVDISCARD_ALL = 48, ///< discard all
-+};
-+
-+enum AVAudioServiceType {
-+ AV_AUDIO_SERVICE_TYPE_MAIN = 0,
-+ AV_AUDIO_SERVICE_TYPE_EFFECTS = 1,
-+ AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED = 2,
-+ AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED = 3,
-+ AV_AUDIO_SERVICE_TYPE_DIALOGUE = 4,
-+ AV_AUDIO_SERVICE_TYPE_COMMENTARY = 5,
-+ AV_AUDIO_SERVICE_TYPE_EMERGENCY = 6,
-+ AV_AUDIO_SERVICE_TYPE_VOICE_OVER = 7,
-+ AV_AUDIO_SERVICE_TYPE_KARAOKE = 8,
-+ AV_AUDIO_SERVICE_TYPE_NB , ///< Not part of ABI
-+};
-+
-+/**
-+ * @ingroup lavc_encoding
-+ */
-+typedef struct RcOverride{
-+ int start_frame;
-+ int end_frame;
-+ int qscale; // If this is 0 then quality_factor will be used instead.
-+ float quality_factor;
-+} RcOverride;
-+
-+/* encoding support
-+ These flags can be passed in AVCodecContext.flags before initialization.
-+ Note: Not everything is supported yet.
-+*/
-+
-+/**
-+ * Allow decoders to produce frames with data planes that are not aligned
-+ * to CPU requirements (e.g. due to cropping).
-+ */
-+#define AV_CODEC_FLAG_UNALIGNED (1 << 0)
-+/**
-+ * Use fixed qscale.
-+ */
-+#define AV_CODEC_FLAG_QSCALE (1 << 1)
-+/**
-+ * 4 MV per MB allowed / advanced prediction for H.263.
-+ */
-+#define AV_CODEC_FLAG_4MV (1 << 2)
-+/**
-+ * Output even those frames that might be corrupted.
-+ */
-+#define AV_CODEC_FLAG_OUTPUT_CORRUPT (1 << 3)
-+/**
-+ * Use qpel MC.
-+ */
-+#define AV_CODEC_FLAG_QPEL (1 << 4)
-+/**
-+ * Use internal 2pass ratecontrol in first pass mode.
-+ */
-+#define AV_CODEC_FLAG_PASS1 (1 << 9)
-+/**
-+ * Use internal 2pass ratecontrol in second pass mode.
-+ */
-+#define AV_CODEC_FLAG_PASS2 (1 << 10)
-+/**
-+ * loop filter.
-+ */
-+#define AV_CODEC_FLAG_LOOP_FILTER (1 << 11)
-+/**
-+ * Only decode/encode grayscale.
-+ */
-+#define AV_CODEC_FLAG_GRAY (1 << 13)
-+/**
-+ * error[?] variables will be set during encoding.
-+ */
-+#define AV_CODEC_FLAG_PSNR (1 << 15)
-+/**
-+ * Input bitstream might be truncated at a random location
-+ * instead of only at frame boundaries.
-+ */
-+#define AV_CODEC_FLAG_TRUNCATED (1 << 16)
-+/**
-+ * Use interlaced DCT.
-+ */
-+#define AV_CODEC_FLAG_INTERLACED_DCT (1 << 18)
-+/**
-+ * Force low delay.
-+ */
-+#define AV_CODEC_FLAG_LOW_DELAY (1 << 19)
-+/**
-+ * Place global headers in extradata instead of every keyframe.
-+ */
-+#define AV_CODEC_FLAG_GLOBAL_HEADER (1 << 22)
-+/**
-+ * Use only bitexact stuff (except (I)DCT).
-+ */
-+#define AV_CODEC_FLAG_BITEXACT (1 << 23)
-+/* Fx : Flag for H.263+ extra options */
-+/**
-+ * H.263 advanced intra coding / MPEG-4 AC prediction
-+ */
-+#define AV_CODEC_FLAG_AC_PRED (1 << 24)
-+/**
-+ * interlaced motion estimation
-+ */
-+#define AV_CODEC_FLAG_INTERLACED_ME (1 << 29)
-+#define AV_CODEC_FLAG_CLOSED_GOP (1U << 31)
-+
-+/**
-+ * Allow non spec compliant speedup tricks.
-+ */
-+#define AV_CODEC_FLAG2_FAST (1 << 0)
-+/**
-+ * Skip bitstream encoding.
-+ */
-+#define AV_CODEC_FLAG2_NO_OUTPUT (1 << 2)
-+/**
-+ * Place global headers at every keyframe instead of in extradata.
-+ */
-+#define AV_CODEC_FLAG2_LOCAL_HEADER (1 << 3)
-+
-+/**
-+ * timecode is in drop frame format. DEPRECATED!!!!
-+ */
-+#define AV_CODEC_FLAG2_DROP_FRAME_TIMECODE (1 << 13)
-+
-+/**
-+ * Input bitstream might be truncated at a packet boundaries
-+ * instead of only at frame boundaries.
-+ */
-+#define AV_CODEC_FLAG2_CHUNKS (1 << 15)
-+/**
-+ * Discard cropping information from SPS.
-+ */
-+#define AV_CODEC_FLAG2_IGNORE_CROP (1 << 16)
-+
-+/**
-+ * Show all frames before the first keyframe
-+ */
-+#define AV_CODEC_FLAG2_SHOW_ALL (1 << 22)
-+/**
-+ * Export motion vectors through frame side data
-+ */
-+#define AV_CODEC_FLAG2_EXPORT_MVS (1 << 28)
-+/**
-+ * Do not skip samples and export skip information as frame side data
-+ */
-+#define AV_CODEC_FLAG2_SKIP_MANUAL (1 << 29)
-+/**
-+ * Do not reset ASS ReadOrder field on flush (subtitles decoding)
-+ */
-+#define AV_CODEC_FLAG2_RO_FLUSH_NOOP (1 << 30)
-+
-+/* Unsupported options :
-+ * Syntax Arithmetic coding (SAC)
-+ * Reference Picture Selection
-+ * Independent Segment Decoding */
-+/* /Fx */
-+/* codec capabilities */
-+
-+/**
-+ * Decoder can use draw_horiz_band callback.
-+ */
-+#define AV_CODEC_CAP_DRAW_HORIZ_BAND (1 << 0)
-+/**
-+ * Codec uses get_buffer() for allocating buffers and supports custom allocators.
-+ * If not set, it might not use get_buffer() at all or use operations that
-+ * assume the buffer was allocated by avcodec_default_get_buffer.
-+ */
-+#define AV_CODEC_CAP_DR1 (1 << 1)
-+#define AV_CODEC_CAP_TRUNCATED (1 << 3)
-+/**
-+ * Encoder or decoder requires flushing with NULL input at the end in order to
-+ * give the complete and correct output.
-+ *
-+ * NOTE: If this flag is not set, the codec is guaranteed to never be fed with
-+ * with NULL data. The user can still send NULL data to the public encode
-+ * or decode function, but libavcodec will not pass it along to the codec
-+ * unless this flag is set.
-+ *
-+ * Decoders:
-+ * The decoder has a non-zero delay and needs to be fed with avpkt->data=NULL,
-+ * avpkt->size=0 at the end to get the delayed data until the decoder no longer
-+ * returns frames.
-+ *
-+ * Encoders:
-+ * The encoder needs to be fed with NULL data at the end of encoding until the
-+ * encoder no longer returns data.
-+ *
-+ * NOTE: For encoders implementing the AVCodec.encode2() function, setting this
-+ * flag also means that the encoder must set the pts and duration for
-+ * each output packet. If this flag is not set, the pts and duration will
-+ * be determined by libavcodec from the input frame.
-+ */
-+#define AV_CODEC_CAP_DELAY (1 << 5)
-+/**
-+ * Codec can be fed a final frame with a smaller size.
-+ * This can be used to prevent truncation of the last audio samples.
-+ */
-+#define AV_CODEC_CAP_SMALL_LAST_FRAME (1 << 6)
-+
-+/**
-+ * Codec can output multiple frames per AVPacket
-+ * Normally demuxers return one frame at a time, demuxers which do not do
-+ * are connected to a parser to split what they return into proper frames.
-+ * This flag is reserved to the very rare category of codecs which have a
-+ * bitstream that cannot be split into frames without timeconsuming
-+ * operations like full decoding. Demuxers carrying such bitstreams thus
-+ * may return multiple frames in a packet. This has many disadvantages like
-+ * prohibiting stream copy in many cases thus it should only be considered
-+ * as a last resort.
-+ */
-+#define AV_CODEC_CAP_SUBFRAMES (1 << 8)
-+/**
-+ * Codec is experimental and is thus avoided in favor of non experimental
-+ * encoders
-+ */
-+#define AV_CODEC_CAP_EXPERIMENTAL (1 << 9)
-+/**
-+ * Codec should fill in channel configuration and samplerate instead of container
-+ */
-+#define AV_CODEC_CAP_CHANNEL_CONF (1 << 10)
-+/**
-+ * Codec supports frame-level multithreading.
-+ */
-+#define AV_CODEC_CAP_FRAME_THREADS (1 << 12)
-+/**
-+ * Codec supports slice-based (or partition-based) multithreading.
-+ */
-+#define AV_CODEC_CAP_SLICE_THREADS (1 << 13)
-+/**
-+ * Codec supports changed parameters at any point.
-+ */
-+#define AV_CODEC_CAP_PARAM_CHANGE (1 << 14)
-+/**
-+ * Codec supports avctx->thread_count == 0 (auto).
-+ */
-+#define AV_CODEC_CAP_AUTO_THREADS (1 << 15)
-+/**
-+ * Audio encoder supports receiving a different number of samples in each call.
-+ */
-+#define AV_CODEC_CAP_VARIABLE_FRAME_SIZE (1 << 16)
-+/**
-+ * Decoder is not a preferred choice for probing.
-+ * This indicates that the decoder is not a good choice for probing.
-+ * It could for example be an expensive to spin up hardware decoder,
-+ * or it could simply not provide a lot of useful information about
-+ * the stream.
-+ * A decoder marked with this flag should only be used as last resort
-+ * choice for probing.
-+ */
-+#define AV_CODEC_CAP_AVOID_PROBING (1 << 17)
-+/**
-+ * Codec is intra only.
-+ */
-+#define AV_CODEC_CAP_INTRA_ONLY 0x40000000
-+/**
-+ * Codec is lossless.
-+ */
-+#define AV_CODEC_CAP_LOSSLESS 0x80000000
-+
-+/**
-+ * Codec is backed by a hardware implementation. Typically used to
-+ * identify a non-hwaccel hardware decoder. For information about hwaccels, use
-+ * avcodec_get_hw_config() instead.
-+ */
-+#define AV_CODEC_CAP_HARDWARE (1 << 18)
-+
-+/**
-+ * Codec is potentially backed by a hardware implementation, but not
-+ * necessarily. This is used instead of AV_CODEC_CAP_HARDWARE, if the
-+ * implementation provides some sort of internal fallback.
-+ */
-+#define AV_CODEC_CAP_HYBRID (1 << 19)
-+
-+/**
-+ * Pan Scan area.
-+ * This specifies the area which should be displayed.
-+ * Note there may be multiple such areas for one frame.
-+ */
-+typedef struct AVPanScan {
-+ /**
-+ * id
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec.
-+ */
-+ int id;
-+
-+ /**
-+ * width and height in 1/16 pel
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec.
-+ */
-+ int width;
-+ int height;
-+
-+ /**
-+ * position of the top left corner in 1/16 pel for up to 3 fields/frames
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec.
-+ */
-+ int16_t position[3][2];
-+} AVPanScan;
-+
-+/**
-+ * This structure describes the bitrate properties of an encoded bitstream. It
-+ * roughly corresponds to a subset the VBV parameters for MPEG-2 or HRD
-+ * parameters for H.264/HEVC.
-+ */
-+typedef struct AVCPBProperties {
-+ /**
-+ * Maximum bitrate of the stream, in bits per second.
-+ * Zero if unknown or unspecified.
-+ */
-+ int max_bitrate;
-+ /**
-+ * Minimum bitrate of the stream, in bits per second.
-+ * Zero if unknown or unspecified.
-+ */
-+ int min_bitrate;
-+ /**
-+ * Average bitrate of the stream, in bits per second.
-+ * Zero if unknown or unspecified.
-+ */
-+ int avg_bitrate;
-+
-+ /**
-+ * The size of the buffer to which the ratecontrol is applied, in bits.
-+ * Zero if unknown or unspecified.
-+ */
-+ int buffer_size;
-+
-+ /**
-+ * The delay between the time the packet this structure is associated with
-+ * is received and the time when it should be decoded, in periods of a 27MHz
-+ * clock.
-+ *
-+ * UINT64_MAX when unknown or unspecified.
-+ */
-+ uint64_t vbv_delay;
-+} AVCPBProperties;
-+
-+/**
-+ * The decoder will keep a reference to the frame and may reuse it later.
-+ */
-+#define AV_GET_BUFFER_FLAG_REF (1 << 0)
-+
-+/**
-+ * @defgroup lavc_packet AVPacket
-+ *
-+ * Types and functions for working with AVPacket.
-+ * @{
-+ */
-+enum AVPacketSideDataType {
-+ /**
-+ * An AV_PKT_DATA_PALETTE side data packet contains exactly AVPALETTE_SIZE
-+ * bytes worth of palette. This side data signals that a new palette is
-+ * present.
-+ */
-+ AV_PKT_DATA_PALETTE,
-+
-+ /**
-+ * The AV_PKT_DATA_NEW_EXTRADATA is used to notify the codec or the format
-+ * that the extradata buffer was changed and the receiving side should
-+ * act upon it appropriately. The new extradata is embedded in the side
-+ * data buffer and should be immediately used for processing the current
-+ * frame or packet.
-+ */
-+ AV_PKT_DATA_NEW_EXTRADATA,
-+
-+ /**
-+ * An AV_PKT_DATA_PARAM_CHANGE side data packet is laid out as follows:
-+ * @code
-+ * u32le param_flags
-+ * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT)
-+ * s32le channel_count
-+ * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT)
-+ * u64le channel_layout
-+ * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE)
-+ * s32le sample_rate
-+ * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS)
-+ * s32le width
-+ * s32le height
-+ * @endcode
-+ */
-+ AV_PKT_DATA_PARAM_CHANGE,
-+
-+ /**
-+ * An AV_PKT_DATA_H263_MB_INFO side data packet contains a number of
-+ * structures with info about macroblocks relevant to splitting the
-+ * packet into smaller packets on macroblock edges (e.g. as for RFC 2190).
-+ * That is, it does not necessarily contain info about all macroblocks,
-+ * as long as the distance between macroblocks in the info is smaller
-+ * than the target payload size.
-+ * Each MB info structure is 12 bytes, and is laid out as follows:
-+ * @code
-+ * u32le bit offset from the start of the packet
-+ * u8 current quantizer at the start of the macroblock
-+ * u8 GOB number
-+ * u16le macroblock address within the GOB
-+ * u8 horizontal MV predictor
-+ * u8 vertical MV predictor
-+ * u8 horizontal MV predictor for block number 3
-+ * u8 vertical MV predictor for block number 3
-+ * @endcode
-+ */
-+ AV_PKT_DATA_H263_MB_INFO,
-+
-+ /**
-+ * This side data should be associated with an audio stream and contains
-+ * ReplayGain information in form of the AVReplayGain struct.
-+ */
-+ AV_PKT_DATA_REPLAYGAIN,
-+
-+ /**
-+ * This side data contains a 3x3 transformation matrix describing an affine
-+ * transformation that needs to be applied to the decoded video frames for
-+ * correct presentation.
-+ *
-+ * See libavutil/display.h for a detailed description of the data.
-+ */
-+ AV_PKT_DATA_DISPLAYMATRIX,
-+
-+ /**
-+ * This side data should be associated with a video stream and contains
-+ * Stereoscopic 3D information in form of the AVStereo3D struct.
-+ */
-+ AV_PKT_DATA_STEREO3D,
-+
-+ /**
-+ * This side data should be associated with an audio stream and corresponds
-+ * to enum AVAudioServiceType.
-+ */
-+ AV_PKT_DATA_AUDIO_SERVICE_TYPE,
-+
-+ /**
-+ * This side data contains quality related information from the encoder.
-+ * @code
-+ * u32le quality factor of the compressed frame. Allowed range is between 1 (good) and FF_LAMBDA_MAX (bad).
-+ * u8 picture type
-+ * u8 error count
-+ * u16 reserved
-+ * u64le[error count] sum of squared differences between encoder in and output
-+ * @endcode
-+ */
-+ AV_PKT_DATA_QUALITY_STATS,
-+
-+ /**
-+ * This side data contains an integer value representing the stream index
-+ * of a "fallback" track. A fallback track indicates an alternate
-+ * track to use when the current track can not be decoded for some reason.
-+ * e.g. no decoder available for codec.
-+ */
-+ AV_PKT_DATA_FALLBACK_TRACK,
-+
-+ /**
-+ * This side data corresponds to the AVCPBProperties struct.
-+ */
-+ AV_PKT_DATA_CPB_PROPERTIES,
-+
-+ /**
-+ * Recommmends skipping the specified number of samples
-+ * @code
-+ * u32le number of samples to skip from start of this packet
-+ * u32le number of samples to skip from end of this packet
-+ * u8 reason for start skip
-+ * u8 reason for end skip (0=padding silence, 1=convergence)
-+ * @endcode
-+ */
-+ AV_PKT_DATA_SKIP_SAMPLES,
-+
-+ /**
-+ * An AV_PKT_DATA_JP_DUALMONO side data packet indicates that
-+ * the packet may contain "dual mono" audio specific to Japanese DTV
-+ * and if it is true, recommends only the selected channel to be used.
-+ * @code
-+ * u8 selected channels (0=mail/left, 1=sub/right, 2=both)
-+ * @endcode
-+ */
-+ AV_PKT_DATA_JP_DUALMONO,
-+
-+ /**
-+ * A list of zero terminated key/value strings. There is no end marker for
-+ * the list, so it is required to rely on the side data size to stop.
-+ */
-+ AV_PKT_DATA_STRINGS_METADATA,
-+
-+ /**
-+ * Subtitle event position
-+ * @code
-+ * u32le x1
-+ * u32le y1
-+ * u32le x2
-+ * u32le y2
-+ * @endcode
-+ */
-+ AV_PKT_DATA_SUBTITLE_POSITION,
-+
-+ /**
-+ * Data found in BlockAdditional element of matroska container. There is
-+ * no end marker for the data, so it is required to rely on the side data
-+ * size to recognize the end. 8 byte id (as found in BlockAddId) followed
-+ * by data.
-+ */
-+ AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
-+
-+ /**
-+ * The optional first identifier line of a WebVTT cue.
-+ */
-+ AV_PKT_DATA_WEBVTT_IDENTIFIER,
-+
-+ /**
-+ * The optional settings (rendering instructions) that immediately
-+ * follow the timestamp specifier of a WebVTT cue.
-+ */
-+ AV_PKT_DATA_WEBVTT_SETTINGS,
-+
-+ /**
-+ * A list of zero terminated key/value strings. There is no end marker for
-+ * the list, so it is required to rely on the side data size to stop. This
-+ * side data includes updated metadata which appeared in the stream.
-+ */
-+ AV_PKT_DATA_METADATA_UPDATE,
-+
-+ /**
-+ * MPEGTS stream ID, this is required to pass the stream ID
-+ * information from the demuxer to the corresponding muxer.
-+ */
-+ AV_PKT_DATA_MPEGTS_STREAM_ID,
-+
-+ /**
-+ * Mastering display metadata (based on SMPTE-2086:2014). This metadata
-+ * should be associated with a video stream and contains data in the form
-+ * of the AVMasteringDisplayMetadata struct.
-+ */
-+ AV_PKT_DATA_MASTERING_DISPLAY_METADATA,
-+
-+ /**
-+ * This side data should be associated with a video stream and corresponds
-+ * to the AVSphericalMapping structure.
-+ */
-+ AV_PKT_DATA_SPHERICAL,
-+
-+ /**
-+ * Content light level (based on CTA-861.3). This metadata should be
-+ * associated with a video stream and contains data in the form of the
-+ * AVContentLightMetadata struct.
-+ */
-+ AV_PKT_DATA_CONTENT_LIGHT_LEVEL,
-+
-+ /**
-+ * ATSC A53 Part 4 Closed Captions. This metadata should be associated with
-+ * a video stream. A53 CC bitstream is stored as uint8_t in AVPacketSideData.data.
-+ * The number of bytes of CC data is AVPacketSideData.size.
-+ */
-+ AV_PKT_DATA_A53_CC,
-+
-+ /**
-+ * This side data is encryption initialization data.
-+ * The format is not part of ABI, use av_encryption_init_info_* methods to
-+ * access.
-+ */
-+ AV_PKT_DATA_ENCRYPTION_INIT_INFO,
-+
-+ /**
-+ * This side data contains encryption info for how to decrypt the packet.
-+ * The format is not part of ABI, use av_encryption_info_* methods to access.
-+ */
-+ AV_PKT_DATA_ENCRYPTION_INFO,
-+
-+ /**
-+ * The number of side data types.
-+ * This is not part of the public API/ABI in the sense that it may
-+ * change when new side data types are added.
-+ * This must stay the last enum value.
-+ * If its value becomes huge, some code using it
-+ * needs to be updated as it assumes it to be smaller than other limits.
-+ */
-+ AV_PKT_DATA_NB
-+};
-+
-+#define AV_PKT_DATA_QUALITY_FACTOR AV_PKT_DATA_QUALITY_STATS //DEPRECATED
-+
-+typedef struct AVPacketSideData {
-+ uint8_t *data;
-+ int size;
-+ enum AVPacketSideDataType type;
-+} AVPacketSideData;
-+
-+/**
-+ * This structure stores compressed data. It is typically exported by demuxers
-+ * and then passed as input to decoders, or received as output from encoders and
-+ * then passed to muxers.
-+ *
-+ * For video, it should typically contain one compressed frame. For audio it may
-+ * contain several compressed frames. Encoders are allowed to output empty
-+ * packets, with no compressed data, containing only side data
-+ * (e.g. to update some stream parameters at the end of encoding).
-+ *
-+ * AVPacket is one of the few structs in FFmpeg, whose size is a part of public
-+ * ABI. Thus it may be allocated on stack and no new fields can be added to it
-+ * without libavcodec and libavformat major bump.
-+ *
-+ * The semantics of data ownership depends on the buf field.
-+ * If it is set, the packet data is dynamically allocated and is
-+ * valid indefinitely until a call to av_packet_unref() reduces the
-+ * reference count to 0.
-+ *
-+ * If the buf field is not set av_packet_ref() would make a copy instead
-+ * of increasing the reference count.
-+ *
-+ * The side data is always allocated with av_malloc(), copied by
-+ * av_packet_ref() and freed by av_packet_unref().
-+ *
-+ * @see av_packet_ref
-+ * @see av_packet_unref
-+ */
-+typedef struct AVPacket {
-+ /**
-+ * A reference to the reference-counted buffer where the packet data is
-+ * stored.
-+ * May be NULL, then the packet data is not reference-counted.
-+ */
-+ AVBufferRef *buf;
-+ /**
-+ * Presentation timestamp in AVStream->time_base units; the time at which
-+ * the decompressed packet will be presented to the user.
-+ * Can be AV_NOPTS_VALUE if it is not stored in the file.
-+ * pts MUST be larger or equal to dts as presentation cannot happen before
-+ * decompression, unless one wants to view hex dumps. Some formats misuse
-+ * the terms dts and pts/cts to mean something different. Such timestamps
-+ * must be converted to true pts/dts before they are stored in AVPacket.
-+ */
-+ int64_t pts;
-+ /**
-+ * Decompression timestamp in AVStream->time_base units; the time at which
-+ * the packet is decompressed.
-+ * Can be AV_NOPTS_VALUE if it is not stored in the file.
-+ */
-+ int64_t dts;
-+ uint8_t *data;
-+ int size;
-+ int stream_index;
-+ /**
-+ * A combination of AV_PKT_FLAG values
-+ */
-+ int flags;
-+ /**
-+ * Additional packet data that can be provided by the container.
-+ * Packet can contain several types of side information.
-+ */
-+ AVPacketSideData *side_data;
-+ int side_data_elems;
-+
-+ /**
-+ * Duration of this packet in AVStream->time_base units, 0 if unknown.
-+ * Equals next_pts - this_pts in presentation order.
-+ */
-+ int64_t duration;
-+
-+ int64_t pos; ///< byte position in stream, -1 if unknown
-+
-+#if FF_API_CONVERGENCE_DURATION
-+ /**
-+ * @deprecated Same as the duration field, but as int64_t. This was required
-+ * for Matroska subtitles, whose duration values could overflow when the
-+ * duration field was still an int.
-+ */
-+ attribute_deprecated
-+ int64_t convergence_duration;
-+#endif
-+} AVPacket;
-+#define AV_PKT_FLAG_KEY 0x0001 ///< The packet contains a keyframe
-+#define AV_PKT_FLAG_CORRUPT 0x0002 ///< The packet content is corrupted
-+/**
-+ * Flag is used to discard packets which are required to maintain valid
-+ * decoder state but are not required for output and should be dropped
-+ * after decoding.
-+ **/
-+#define AV_PKT_FLAG_DISCARD 0x0004
-+/**
-+ * The packet comes from a trusted source.
-+ *
-+ * Otherwise-unsafe constructs such as arbitrary pointers to data
-+ * outside the packet may be followed.
-+ */
-+#define AV_PKT_FLAG_TRUSTED 0x0008
-+/**
-+ * Flag is used to indicate packets that contain frames that can
-+ * be discarded by the decoder. I.e. Non-reference frames.
-+ */
-+#define AV_PKT_FLAG_DISPOSABLE 0x0010
-+
-+
-+enum AVSideDataParamChangeFlags {
-+ AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT = 0x0001,
-+ AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT = 0x0002,
-+ AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE = 0x0004,
-+ AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS = 0x0008,
-+};
-+/**
-+ * @}
-+ */
-+
-+struct AVCodecInternal;
-+
-+enum AVFieldOrder {
-+ AV_FIELD_UNKNOWN,
-+ AV_FIELD_PROGRESSIVE,
-+ AV_FIELD_TT, //< Top coded_first, top displayed first
-+ AV_FIELD_BB, //< Bottom coded first, bottom displayed first
-+ AV_FIELD_TB, //< Top coded first, bottom displayed first
-+ AV_FIELD_BT, //< Bottom coded first, top displayed first
-+};
-+
-+/**
-+ * main external API structure.
-+ * New fields can be added to the end with minor version bumps.
-+ * Removal, reordering and changes to existing fields require a major
-+ * version bump.
-+ * You can use AVOptions (av_opt* / av_set/get*()) to access these fields from user
-+ * applications.
-+ * The name string for AVOptions options matches the associated command line
-+ * parameter name and can be found in libavcodec/options_table.h
-+ * The AVOption/command line parameter names differ in some cases from the C
-+ * structure field names for historic reasons or brevity.
-+ * sizeof(AVCodecContext) must not be used outside libav*.
-+ */
-+typedef struct AVCodecContext {
-+ /**
-+ * information on struct for av_log
-+ * - set by avcodec_alloc_context3
-+ */
-+ const AVClass *av_class;
-+ int log_level_offset;
-+
-+ enum AVMediaType codec_type; /* see AVMEDIA_TYPE_xxx */
-+ const struct AVCodec *codec;
-+ enum AVCodecID codec_id; /* see AV_CODEC_ID_xxx */
-+
-+ /**
-+ * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
-+ * This is used to work around some encoder bugs.
-+ * A demuxer should set this to what is stored in the field used to identify the codec.
-+ * If there are multiple such fields in a container then the demuxer should choose the one
-+ * which maximizes the information about the used codec.
-+ * If the codec tag field in a container is larger than 32 bits then the demuxer should
-+ * remap the longer ID to 32 bits with a table or other structure. Alternatively a new
-+ * extra_codec_tag + size could be added but for this a clear advantage must be demonstrated
-+ * first.
-+ * - encoding: Set by user, if not then the default based on codec_id will be used.
-+ * - decoding: Set by user, will be converted to uppercase by libavcodec during init.
-+ */
-+ unsigned int codec_tag;
-+
-+ void *priv_data;
-+
-+ /**
-+ * Private context used for internal data.
-+ *
-+ * Unlike priv_data, this is not codec-specific. It is used in general
-+ * libavcodec functions.
-+ */
-+ struct AVCodecInternal *internal;
-+
-+ /**
-+ * Private data of the user, can be used to carry app specific stuff.
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ void *opaque;
-+
-+ /**
-+ * the average bitrate
-+ * - encoding: Set by user; unused for constant quantizer encoding.
-+ * - decoding: Set by user, may be overwritten by libavcodec
-+ * if this info is available in the stream
-+ */
-+ int64_t bit_rate;
-+
-+ /**
-+ * number of bits the bitstream is allowed to diverge from the reference.
-+ * the reference can be CBR (for CBR pass1) or VBR (for pass2)
-+ * - encoding: Set by user; unused for constant quantizer encoding.
-+ * - decoding: unused
-+ */
-+ int bit_rate_tolerance;
-+
-+ /**
-+ * Global quality for codecs which cannot change it per frame.
-+ * This should be proportional to MPEG-1/2/4 qscale.
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int global_quality;
-+
-+ /**
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int compression_level;
-+#define FF_COMPRESSION_DEFAULT -1
-+
-+ /**
-+ * AV_CODEC_FLAG_*.
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ int flags;
-+
-+ /**
-+ * AV_CODEC_FLAG2_*
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ int flags2;
-+
-+ /**
-+ * some codecs need / can use extradata like Huffman tables.
-+ * MJPEG: Huffman tables
-+ * rv10: additional flags
-+ * MPEG-4: global headers (they can be in the bitstream or here)
-+ * The allocated memory should be AV_INPUT_BUFFER_PADDING_SIZE bytes larger
-+ * than extradata_size to avoid problems if it is read with the bitstream reader.
-+ * The bytewise contents of extradata must not depend on the architecture or CPU endianness.
-+ * - encoding: Set/allocated/freed by libavcodec.
-+ * - decoding: Set/allocated/freed by user.
-+ */
-+ uint8_t *extradata;
-+ int extradata_size;
-+
-+ /**
-+ * This is the fundamental unit of time (in seconds) in terms
-+ * of which frame timestamps are represented. For fixed-fps content,
-+ * timebase should be 1/framerate and timestamp increments should be
-+ * identically 1.
-+ * This often, but not always is the inverse of the frame rate or field rate
-+ * for video. 1/time_base is not the average frame rate if the frame rate is not
-+ * constant.
-+ *
-+ * Like containers, elementary streams also can store timestamps, 1/time_base
-+ * is the unit in which these timestamps are specified.
-+ * As example of such codec time base see ISO/IEC 14496-2:2001(E)
-+ * vop_time_increment_resolution and fixed_vop_rate
-+ * (fixed_vop_rate == 0 implies that it is different from the framerate)
-+ *
-+ * - encoding: MUST be set by user.
-+ * - decoding: the use of this field for decoding is deprecated.
-+ * Use framerate instead.
-+ */
-+ AVRational time_base;
-+
-+ /**
-+ * For some codecs, the time base is closer to the field rate than the frame rate.
-+ * Most notably, H.264 and MPEG-2 specify time_base as half of frame duration
-+ * if no telecine is used ...
-+ *
-+ * Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
-+ */
-+ int ticks_per_frame;
-+
-+ /**
-+ * Codec delay.
-+ *
-+ * Encoding: Number of frames delay there will be from the encoder input to
-+ * the decoder output. (we assume the decoder matches the spec)
-+ * Decoding: Number of frames delay in addition to what a standard decoder
-+ * as specified in the spec would produce.
-+ *
-+ * Video:
-+ * Number of frames the decoded output will be delayed relative to the
-+ * encoded input.
-+ *
-+ * Audio:
-+ * For encoding, this field is unused (see initial_padding).
-+ *
-+ * For decoding, this is the number of samples the decoder needs to
-+ * output before the decoder's output is valid. When seeking, you should
-+ * start decoding this many samples prior to your desired seek point.
-+ *
-+ * - encoding: Set by libavcodec.
-+ * - decoding: Set by libavcodec.
-+ */
-+ int delay;
-+
-+
-+ /* video only */
-+ /**
-+ * picture width / height.
-+ *
-+ * @note Those fields may not match the values of the last
-+ * AVFrame output by avcodec_decode_video2 due frame
-+ * reordering.
-+ *
-+ * - encoding: MUST be set by user.
-+ * - decoding: May be set by the user before opening the decoder if known e.g.
-+ * from the container. Some decoders will require the dimensions
-+ * to be set by the caller. During decoding, the decoder may
-+ * overwrite those values as required while parsing the data.
-+ */
-+ int width, height;
-+
-+ /**
-+ * Bitstream width / height, may be different from width/height e.g. when
-+ * the decoded frame is cropped before being output or lowres is enabled.
-+ *
-+ * @note Those field may not match the value of the last
-+ * AVFrame output by avcodec_receive_frame() due frame
-+ * reordering.
-+ *
-+ * - encoding: unused
-+ * - decoding: May be set by the user before opening the decoder if known
-+ * e.g. from the container. During decoding, the decoder may
-+ * overwrite those values as required while parsing the data.
-+ */
-+ int coded_width, coded_height;
-+
-+ /**
-+ * the number of pictures in a group of pictures, or 0 for intra_only
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int gop_size;
-+
-+ /**
-+ * Pixel format, see AV_PIX_FMT_xxx.
-+ * May be set by the demuxer if known from headers.
-+ * May be overridden by the decoder if it knows better.
-+ *
-+ * @note This field may not match the value of the last
-+ * AVFrame output by avcodec_receive_frame() due frame
-+ * reordering.
-+ *
-+ * - encoding: Set by user.
-+ * - decoding: Set by user if known, overridden by libavcodec while
-+ * parsing the data.
-+ */
-+ enum AVPixelFormat pix_fmt;
-+
-+ /**
-+ * If non NULL, 'draw_horiz_band' is called by the libavcodec
-+ * decoder to draw a horizontal band. It improves cache usage. Not
-+ * all codecs can do that. You must check the codec capabilities
-+ * beforehand.
-+ * When multithreading is used, it may be called from multiple threads
-+ * at the same time; threads might draw different parts of the same AVFrame,
-+ * or multiple AVFrames, and there is no guarantee that slices will be drawn
-+ * in order.
-+ * The function is also used by hardware acceleration APIs.
-+ * It is called at least once during frame decoding to pass
-+ * the data needed for hardware render.
-+ * In that mode instead of pixel data, AVFrame points to
-+ * a structure specific to the acceleration API. The application
-+ * reads the structure and can change some fields to indicate progress
-+ * or mark state.
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ * @param height the height of the slice
-+ * @param y the y position of the slice
-+ * @param type 1->top field, 2->bottom field, 3->frame
-+ * @param offset offset into the AVFrame.data from which the slice should be read
-+ */
-+ void (*draw_horiz_band)(struct AVCodecContext *s,
-+ const AVFrame *src, int offset[AV_NUM_DATA_POINTERS],
-+ int y, int type, int height);
-+
-+ /**
-+ * callback to negotiate the pixelFormat
-+ * @param fmt is the list of formats which are supported by the codec,
-+ * it is terminated by -1 as 0 is a valid format, the formats are ordered by quality.
-+ * The first is always the native one.
-+ * @note The callback may be called again immediately if initialization for
-+ * the selected (hardware-accelerated) pixel format failed.
-+ * @warning Behavior is undefined if the callback returns a value not
-+ * in the fmt list of formats.
-+ * @return the chosen format
-+ * - encoding: unused
-+ * - decoding: Set by user, if not set the native format will be chosen.
-+ */
-+ enum AVPixelFormat (*get_format)(struct AVCodecContext *s, const enum AVPixelFormat * fmt);
-+
-+ /**
-+ * maximum number of B-frames between non-B-frames
-+ * Note: The output will be delayed by max_b_frames+1 relative to the input.
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int max_b_frames;
-+
-+ /**
-+ * qscale factor between IP and B-frames
-+ * If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset).
-+ * If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float b_quant_factor;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int b_frame_strategy;
-+#endif
-+
-+ /**
-+ * qscale offset between IP and B-frames
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float b_quant_offset;
-+
-+ /**
-+ * Size of the frame reordering buffer in the decoder.
-+ * For MPEG-2 it is 1 IPB or 0 low delay IP.
-+ * - encoding: Set by libavcodec.
-+ * - decoding: Set by libavcodec.
-+ */
-+ int has_b_frames;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int mpeg_quant;
-+#endif
-+
-+ /**
-+ * qscale factor between P- and I-frames
-+ * If > 0 then the last P-frame quantizer will be used (q = lastp_q * factor + offset).
-+ * If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float i_quant_factor;
-+
-+ /**
-+ * qscale offset between P and I-frames
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float i_quant_offset;
-+
-+ /**
-+ * luminance masking (0-> disabled)
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float lumi_masking;
-+
-+ /**
-+ * temporary complexity masking (0-> disabled)
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float temporal_cplx_masking;
-+
-+ /**
-+ * spatial complexity masking (0-> disabled)
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float spatial_cplx_masking;
-+
-+ /**
-+ * p block masking (0-> disabled)
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float p_masking;
-+
-+ /**
-+ * darkness masking (0-> disabled)
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ float dark_masking;
-+
-+ /**
-+ * slice count
-+ * - encoding: Set by libavcodec.
-+ * - decoding: Set by user (or 0).
-+ */
-+ int slice_count;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int prediction_method;
-+#define FF_PRED_LEFT 0
-+#define FF_PRED_PLANE 1
-+#define FF_PRED_MEDIAN 2
-+#endif
-+
-+ /**
-+ * slice offsets in the frame in bytes
-+ * - encoding: Set/allocated by libavcodec.
-+ * - decoding: Set/allocated by user (or NULL).
-+ */
-+ int *slice_offset;
-+
-+ /**
-+ * sample aspect ratio (0 if unknown)
-+ * That is the width of a pixel divided by the height of the pixel.
-+ * Numerator and denominator must be relatively prime and smaller than 256 for some video standards.
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec.
-+ */
-+ AVRational sample_aspect_ratio;
-+
-+ /**
-+ * motion estimation comparison function
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int me_cmp;
-+ /**
-+ * subpixel motion estimation comparison function
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int me_sub_cmp;
-+ /**
-+ * macroblock comparison function (not supported yet)
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int mb_cmp;
-+ /**
-+ * interlaced DCT comparison function
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int ildct_cmp;
-+#define FF_CMP_SAD 0
-+#define FF_CMP_SSE 1
-+#define FF_CMP_SATD 2
-+#define FF_CMP_DCT 3
-+#define FF_CMP_PSNR 4
-+#define FF_CMP_BIT 5
-+#define FF_CMP_RD 6
-+#define FF_CMP_ZERO 7
-+#define FF_CMP_VSAD 8
-+#define FF_CMP_VSSE 9
-+#define FF_CMP_NSSE 10
-+#define FF_CMP_W53 11
-+#define FF_CMP_W97 12
-+#define FF_CMP_DCTMAX 13
-+#define FF_CMP_DCT264 14
-+#define FF_CMP_MEDIAN_SAD 15
-+#define FF_CMP_CHROMA 256
-+
-+ /**
-+ * ME diamond size & shape
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int dia_size;
-+
-+ /**
-+ * amount of previous MV predictors (2a+1 x 2a+1 square)
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int last_predictor_count;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int pre_me;
-+#endif
-+
-+ /**
-+ * motion estimation prepass comparison function
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int me_pre_cmp;
-+
-+ /**
-+ * ME prepass diamond size & shape
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int pre_dia_size;
-+
-+ /**
-+ * subpel ME quality
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int me_subpel_quality;
-+
-+ /**
-+ * maximum motion estimation search range in subpel units
-+ * If 0 then no limit.
-+ *
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int me_range;
-+
-+ /**
-+ * slice flags
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ int slice_flags;
-+#define SLICE_FLAG_CODED_ORDER 0x0001 ///< draw_horiz_band() is called in coded order instead of display
-+#define SLICE_FLAG_ALLOW_FIELD 0x0002 ///< allow draw_horiz_band() with field slices (MPEG-2 field pics)
-+#define SLICE_FLAG_ALLOW_PLANE 0x0004 ///< allow draw_horiz_band() with 1 component at a time (SVQ1)
-+
-+ /**
-+ * macroblock decision mode
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int mb_decision;
-+#define FF_MB_DECISION_SIMPLE 0 ///< uses mb_cmp
-+#define FF_MB_DECISION_BITS 1 ///< chooses the one which needs the fewest bits
-+#define FF_MB_DECISION_RD 2 ///< rate distortion
-+
-+ /**
-+ * custom intra quantization matrix
-+ * - encoding: Set by user, can be NULL.
-+ * - decoding: Set by libavcodec.
-+ */
-+ uint16_t *intra_matrix;
-+
-+ /**
-+ * custom inter quantization matrix
-+ * - encoding: Set by user, can be NULL.
-+ * - decoding: Set by libavcodec.
-+ */
-+ uint16_t *inter_matrix;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int scenechange_threshold;
-+
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int noise_reduction;
-+#endif
-+
-+ /**
-+ * precision of the intra DC coefficient - 8
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec
-+ */
-+ int intra_dc_precision;
-+
-+ /**
-+ * Number of macroblock rows at the top which are skipped.
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ int skip_top;
-+
-+ /**
-+ * Number of macroblock rows at the bottom which are skipped.
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ int skip_bottom;
-+
-+ /**
-+ * minimum MB Lagrange multiplier
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int mb_lmin;
-+
-+ /**
-+ * maximum MB Lagrange multiplier
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int mb_lmax;
-+
-+#if FF_API_PRIVATE_OPT
-+ /**
-+ * @deprecated use encoder private options instead
-+ */
-+ attribute_deprecated
-+ int me_penalty_compensation;
-+#endif
-+
-+ /**
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int bidir_refine;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int brd_scale;
-+#endif
-+
-+ /**
-+ * minimum GOP size
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int keyint_min;
-+
-+ /**
-+ * number of reference frames
-+ * - encoding: Set by user.
-+ * - decoding: Set by lavc.
-+ */
-+ int refs;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int chromaoffset;
-+#endif
-+
-+ /**
-+ * Note: Value depends upon the compare function used for fullpel ME.
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int mv0_threshold;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int b_sensitivity;
-+#endif
-+
-+ /**
-+ * Chromaticity coordinates of the source primaries.
-+ * - encoding: Set by user
-+ * - decoding: Set by libavcodec
-+ */
-+ enum AVColorPrimaries color_primaries;
-+
-+ /**
-+ * Color Transfer Characteristic.
-+ * - encoding: Set by user
-+ * - decoding: Set by libavcodec
-+ */
-+ enum AVColorTransferCharacteristic color_trc;
-+
-+ /**
-+ * YUV colorspace type.
-+ * - encoding: Set by user
-+ * - decoding: Set by libavcodec
-+ */
-+ enum AVColorSpace colorspace;
-+
-+ /**
-+ * MPEG vs JPEG YUV range.
-+ * - encoding: Set by user
-+ * - decoding: Set by libavcodec
-+ */
-+ enum AVColorRange color_range;
-+
-+ /**
-+ * This defines the location of chroma samples.
-+ * - encoding: Set by user
-+ * - decoding: Set by libavcodec
-+ */
-+ enum AVChromaLocation chroma_sample_location;
-+
-+ /**
-+ * Number of slices.
-+ * Indicates number of picture subdivisions. Used for parallelized
-+ * decoding.
-+ * - encoding: Set by user
-+ * - decoding: unused
-+ */
-+ int slices;
-+
-+ /** Field order
-+ * - encoding: set by libavcodec
-+ * - decoding: Set by user.
-+ */
-+ enum AVFieldOrder field_order;
-+
-+ /* audio only */
-+ int sample_rate; ///< samples per second
-+ int channels; ///< number of audio channels
-+
-+ /**
-+ * audio sample format
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec.
-+ */
-+ enum AVSampleFormat sample_fmt; ///< sample format
-+
-+ /* The following data should not be initialized. */
-+ /**
-+ * Number of samples per channel in an audio frame.
-+ *
-+ * - encoding: set by libavcodec in avcodec_open2(). Each submitted frame
-+ * except the last must contain exactly frame_size samples per channel.
-+ * May be 0 when the codec has AV_CODEC_CAP_VARIABLE_FRAME_SIZE set, then the
-+ * frame size is not restricted.
-+ * - decoding: may be set by some decoders to indicate constant frame size
-+ */
-+ int frame_size;
-+
-+ /**
-+ * Frame counter, set by libavcodec.
-+ *
-+ * - decoding: total number of frames returned from the decoder so far.
-+ * - encoding: total number of frames passed to the encoder so far.
-+ *
-+ * @note the counter is not incremented if encoding/decoding resulted in
-+ * an error.
-+ */
-+ int frame_number;
-+
-+ /**
-+ * number of bytes per packet if constant and known or 0
-+ * Used by some WAV based audio codecs.
-+ */
-+ int block_align;
-+
-+ /**
-+ * Audio cutoff bandwidth (0 means "automatic")
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int cutoff;
-+
-+ /**
-+ * Audio channel layout.
-+ * - encoding: set by user.
-+ * - decoding: set by user, may be overwritten by libavcodec.
-+ */
-+ uint64_t channel_layout;
-+
-+ /**
-+ * Request decoder to use this channel layout if it can (0 for default)
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ uint64_t request_channel_layout;
-+
-+ /**
-+ * Type of service that the audio stream conveys.
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec.
-+ */
-+ enum AVAudioServiceType audio_service_type;
-+
-+ /**
-+ * desired sample format
-+ * - encoding: Not used.
-+ * - decoding: Set by user.
-+ * Decoder will decode to this format if it can.
-+ */
-+ enum AVSampleFormat request_sample_fmt;
-+
-+ /**
-+ * This callback is called at the beginning of each frame to get data
-+ * buffer(s) for it. There may be one contiguous buffer for all the data or
-+ * there may be a buffer per each data plane or anything in between. What
-+ * this means is, you may set however many entries in buf[] you feel necessary.
-+ * Each buffer must be reference-counted using the AVBuffer API (see description
-+ * of buf[] below).
-+ *
-+ * The following fields will be set in the frame before this callback is
-+ * called:
-+ * - format
-+ * - width, height (video only)
-+ * - sample_rate, channel_layout, nb_samples (audio only)
-+ * Their values may differ from the corresponding values in
-+ * AVCodecContext. This callback must use the frame values, not the codec
-+ * context values, to calculate the required buffer size.
-+ *
-+ * This callback must fill the following fields in the frame:
-+ * - data[]
-+ * - linesize[]
-+ * - extended_data:
-+ * * if the data is planar audio with more than 8 channels, then this
-+ * callback must allocate and fill extended_data to contain all pointers
-+ * to all data planes. data[] must hold as many pointers as it can.
-+ * extended_data must be allocated with av_malloc() and will be freed in
-+ * av_frame_unref().
-+ * * otherwise extended_data must point to data
-+ * - buf[] must contain one or more pointers to AVBufferRef structures. Each of
-+ * the frame's data and extended_data pointers must be contained in these. That
-+ * is, one AVBufferRef for each allocated chunk of memory, not necessarily one
-+ * AVBufferRef per data[] entry. See: av_buffer_create(), av_buffer_alloc(),
-+ * and av_buffer_ref().
-+ * - extended_buf and nb_extended_buf must be allocated with av_malloc() by
-+ * this callback and filled with the extra buffers if there are more
-+ * buffers than buf[] can hold. extended_buf will be freed in
-+ * av_frame_unref().
-+ *
-+ * If AV_CODEC_CAP_DR1 is not set then get_buffer2() must call
-+ * avcodec_default_get_buffer2() instead of providing buffers allocated by
-+ * some other means.
-+ *
-+ * Each data plane must be aligned to the maximum required by the target
-+ * CPU.
-+ *
-+ * @see avcodec_default_get_buffer2()
-+ *
-+ * Video:
-+ *
-+ * If AV_GET_BUFFER_FLAG_REF is set in flags then the frame may be reused
-+ * (read and/or written to if it is writable) later by libavcodec.
-+ *
-+ * avcodec_align_dimensions2() should be used to find the required width and
-+ * height, as they normally need to be rounded up to the next multiple of 16.
-+ *
-+ * Some decoders do not support linesizes changing between frames.
-+ *
-+ * If frame multithreading is used and thread_safe_callbacks is set,
-+ * this callback may be called from a different thread, but not from more
-+ * than one at once. Does not need to be reentrant.
-+ *
-+ * @see avcodec_align_dimensions2()
-+ *
-+ * Audio:
-+ *
-+ * Decoders request a buffer of a particular size by setting
-+ * AVFrame.nb_samples prior to calling get_buffer2(). The decoder may,
-+ * however, utilize only part of the buffer by setting AVFrame.nb_samples
-+ * to a smaller value in the output frame.
-+ *
-+ * As a convenience, av_samples_get_buffer_size() and
-+ * av_samples_fill_arrays() in libavutil may be used by custom get_buffer2()
-+ * functions to find the required data size and to fill data pointers and
-+ * linesize. In AVFrame.linesize, only linesize[0] may be set for audio
-+ * since all planes must be the same size.
-+ *
-+ * @see av_samples_get_buffer_size(), av_samples_fill_arrays()
-+ *
-+ * - encoding: unused
-+ * - decoding: Set by libavcodec, user can override.
-+ */
-+ int (*get_buffer2)(struct AVCodecContext *s, AVFrame *frame, int flags);
-+
-+ /**
-+ * If non-zero, the decoded audio and video frames returned from
-+ * avcodec_decode_video2() and avcodec_decode_audio4() are reference-counted
-+ * and are valid indefinitely. The caller must free them with
-+ * av_frame_unref() when they are not needed anymore.
-+ * Otherwise, the decoded frames must not be freed by the caller and are
-+ * only valid until the next decode call.
-+ *
-+ * This is always automatically enabled if avcodec_receive_frame() is used.
-+ *
-+ * - encoding: unused
-+ * - decoding: set by the caller before avcodec_open2().
-+ */
-+ attribute_deprecated
-+ int refcounted_frames;
-+
-+ /* - encoding parameters */
-+ float qcompress; ///< amount of qscale change between easy & hard scenes (0.0-1.0)
-+ float qblur; ///< amount of qscale smoothing over time (0.0-1.0)
-+
-+ /**
-+ * minimum quantizer
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int qmin;
-+
-+ /**
-+ * maximum quantizer
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int qmax;
-+
-+ /**
-+ * maximum quantizer difference between frames
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int max_qdiff;
-+
-+ /**
-+ * decoder bitstream buffer size
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int rc_buffer_size;
-+
-+ /**
-+ * ratecontrol override, see RcOverride
-+ * - encoding: Allocated/set/freed by user.
-+ * - decoding: unused
-+ */
-+ int rc_override_count;
-+ RcOverride *rc_override;
-+
-+ /**
-+ * maximum bitrate
-+ * - encoding: Set by user.
-+ * - decoding: Set by user, may be overwritten by libavcodec.
-+ */
-+ int64_t rc_max_rate;
-+
-+ /**
-+ * minimum bitrate
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int64_t rc_min_rate;
-+
-+ /**
-+ * Ratecontrol attempt to use, at maximum, <value> of what can be used without an underflow.
-+ * - encoding: Set by user.
-+ * - decoding: unused.
-+ */
-+ float rc_max_available_vbv_use;
-+
-+ /**
-+ * Ratecontrol attempt to use, at least, <value> times the amount needed to prevent a vbv overflow.
-+ * - encoding: Set by user.
-+ * - decoding: unused.
-+ */
-+ float rc_min_vbv_overflow_use;
-+
-+ /**
-+ * Number of bits which should be loaded into the rc buffer before decoding starts.
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int rc_initial_buffer_occupancy;
-+
-+#if FF_API_CODER_TYPE
-+#define FF_CODER_TYPE_VLC 0
-+#define FF_CODER_TYPE_AC 1
-+#define FF_CODER_TYPE_RAW 2
-+#define FF_CODER_TYPE_RLE 3
-+ /**
-+ * @deprecated use encoder private options instead
-+ */
-+ attribute_deprecated
-+ int coder_type;
-+#endif /* FF_API_CODER_TYPE */
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int context_model;
-+#endif
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int frame_skip_threshold;
-+
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int frame_skip_factor;
-+
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int frame_skip_exp;
-+
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int frame_skip_cmp;
-+#endif /* FF_API_PRIVATE_OPT */
-+
-+ /**
-+ * trellis RD quantization
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int trellis;
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int min_prediction_order;
-+
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int max_prediction_order;
-+
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int64_t timecode_frame_start;
-+#endif
-+
-+#if FF_API_RTP_CALLBACK
-+ /**
-+ * @deprecated unused
-+ */
-+ /* The RTP callback: This function is called */
-+ /* every time the encoder has a packet to send. */
-+ /* It depends on the encoder if the data starts */
-+ /* with a Start Code (it should). H.263 does. */
-+ /* mb_nb contains the number of macroblocks */
-+ /* encoded in the RTP payload. */
-+ attribute_deprecated
-+ void (*rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb);
-+#endif
-+
-+#if FF_API_PRIVATE_OPT
-+ /** @deprecated use encoder private options instead */
-+ attribute_deprecated
-+ int rtp_payload_size; /* The size of the RTP payload: the coder will */
-+ /* do its best to deliver a chunk with size */
-+ /* below rtp_payload_size, the chunk will start */
-+ /* with a start code on some codecs like H.263. */
-+ /* This doesn't take account of any particular */
-+ /* headers inside the transmitted RTP payload. */
-+#endif
-+
-+#if FF_API_STAT_BITS
-+ /* statistics, used for 2-pass encoding */
-+ attribute_deprecated
-+ int mv_bits;
-+ attribute_deprecated
-+ int header_bits;
-+ attribute_deprecated
-+ int i_tex_bits;
-+ attribute_deprecated
-+ int p_tex_bits;
-+ attribute_deprecated
-+ int i_count;
-+ attribute_deprecated
-+ int p_count;
-+ attribute_deprecated
-+ int skip_count;
-+ attribute_deprecated
-+ int misc_bits;
-+
-+ /** @deprecated this field is unused */
-+ attribute_deprecated
-+ int frame_bits;
-+#endif
-+
-+ /**
-+ * pass1 encoding statistics output buffer
-+ * - encoding: Set by libavcodec.
-+ * - decoding: unused
-+ */
-+ char *stats_out;
-+
-+ /**
-+ * pass2 encoding statistics input buffer
-+ * Concatenated stuff from stats_out of pass1 should be placed here.
-+ * - encoding: Allocated/set/freed by user.
-+ * - decoding: unused
-+ */
-+ char *stats_in;
-+
-+ /**
-+ * Work around bugs in encoders which sometimes cannot be detected automatically.
-+ * - encoding: Set by user
-+ * - decoding: Set by user
-+ */
-+ int workaround_bugs;
-+#define FF_BUG_AUTODETECT 1 ///< autodetection
-+#define FF_BUG_XVID_ILACE 4
-+#define FF_BUG_UMP4 8
-+#define FF_BUG_NO_PADDING 16
-+#define FF_BUG_AMV 32
-+#define FF_BUG_QPEL_CHROMA 64
-+#define FF_BUG_STD_QPEL 128
-+#define FF_BUG_QPEL_CHROMA2 256
-+#define FF_BUG_DIRECT_BLOCKSIZE 512
-+#define FF_BUG_EDGE 1024
-+#define FF_BUG_HPEL_CHROMA 2048
-+#define FF_BUG_DC_CLIP 4096
-+#define FF_BUG_MS 8192 ///< Work around various bugs in Microsoft's broken decoders.
-+#define FF_BUG_TRUNCATED 16384
-+#define FF_BUG_IEDGE 32768
-+
-+ /**
-+ * strictly follow the standard (MPEG-4, ...).
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ * Setting this to STRICT or higher means the encoder and decoder will
-+ * generally do stupid things, whereas setting it to unofficial or lower
-+ * will mean the encoder might produce output that is not supported by all
-+ * spec-compliant decoders. Decoders don't differentiate between normal,
-+ * unofficial and experimental (that is, they always try to decode things
-+ * when they can) unless they are explicitly asked to behave stupidly
-+ * (=strictly conform to the specs)
-+ */
-+ int strict_std_compliance;
-+#define FF_COMPLIANCE_VERY_STRICT 2 ///< Strictly conform to an older more strict version of the spec or reference software.
-+#define FF_COMPLIANCE_STRICT 1 ///< Strictly conform to all the things in the spec no matter what consequences.
-+#define FF_COMPLIANCE_NORMAL 0
-+#define FF_COMPLIANCE_UNOFFICIAL -1 ///< Allow unofficial extensions
-+#define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things.
-+
-+ /**
-+ * error concealment flags
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ int error_concealment;
-+#define FF_EC_GUESS_MVS 1
-+#define FF_EC_DEBLOCK 2
-+#define FF_EC_FAVOR_INTER 256
-+
-+ /**
-+ * debug
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ int debug;
-+#define FF_DEBUG_PICT_INFO 1
-+#define FF_DEBUG_RC 2
-+#define FF_DEBUG_BITSTREAM 4
-+#define FF_DEBUG_MB_TYPE 8
-+#define FF_DEBUG_QP 16
-+#if FF_API_DEBUG_MV
-+/**
-+ * @deprecated this option does nothing
-+ */
-+#define FF_DEBUG_MV 32
-+#endif
-+#define FF_DEBUG_DCT_COEFF 0x00000040
-+#define FF_DEBUG_SKIP 0x00000080
-+#define FF_DEBUG_STARTCODE 0x00000100
-+#define FF_DEBUG_ER 0x00000400
-+#define FF_DEBUG_MMCO 0x00000800
-+#define FF_DEBUG_BUGS 0x00001000
-+#if FF_API_DEBUG_MV
-+#define FF_DEBUG_VIS_QP 0x00002000
-+#define FF_DEBUG_VIS_MB_TYPE 0x00004000
-+#endif
-+#define FF_DEBUG_BUFFERS 0x00008000
-+#define FF_DEBUG_THREADS 0x00010000
-+#define FF_DEBUG_GREEN_MD 0x00800000
-+#define FF_DEBUG_NOMC 0x01000000
-+
-+#if FF_API_DEBUG_MV
-+ /**
-+ * debug
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ int debug_mv;
-+#define FF_DEBUG_VIS_MV_P_FOR 0x00000001 // visualize forward predicted MVs of P-frames
-+#define FF_DEBUG_VIS_MV_B_FOR 0x00000002 // visualize forward predicted MVs of B-frames
-+#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 // visualize backward predicted MVs of B-frames
-+#endif
-+
-+ /**
-+ * Error recognition; may misdetect some more or less valid parts as errors.
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ int err_recognition;
-+
-+/**
-+ * Verify checksums embedded in the bitstream (could be of either encoded or
-+ * decoded data, depending on the codec) and print an error message on mismatch.
-+ * If AV_EF_EXPLODE is also set, a mismatching checksum will result in the
-+ * decoder returning an error.
-+ */
-+#define AV_EF_CRCCHECK (1<<0)
-+#define AV_EF_BITSTREAM (1<<1) ///< detect bitstream specification deviations
-+#define AV_EF_BUFFER (1<<2) ///< detect improper bitstream length
-+#define AV_EF_EXPLODE (1<<3) ///< abort decoding on minor error detection
-+
-+#define AV_EF_IGNORE_ERR (1<<15) ///< ignore errors and continue
-+#define AV_EF_CAREFUL (1<<16) ///< consider things that violate the spec, are fast to calculate and have not been seen in the wild as errors
-+#define AV_EF_COMPLIANT (1<<17) ///< consider all spec non compliances as errors
-+#define AV_EF_AGGRESSIVE (1<<18) ///< consider things that a sane encoder should not do as an error
-+
-+
-+ /**
-+ * opaque 64-bit number (generally a PTS) that will be reordered and
-+ * output in AVFrame.reordered_opaque
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ int64_t reordered_opaque;
-+
-+ /**
-+ * Hardware accelerator in use
-+ * - encoding: unused.
-+ * - decoding: Set by libavcodec
-+ */
-+ const struct AVHWAccel *hwaccel;
-+
-+ /**
-+ * Hardware accelerator context.
-+ * For some hardware accelerators, a global context needs to be
-+ * provided by the user. In that case, this holds display-dependent
-+ * data FFmpeg cannot instantiate itself. Please refer to the
-+ * FFmpeg HW accelerator documentation to know how to fill this
-+ * is. e.g. for VA API, this is a struct vaapi_context.
-+ * - encoding: unused
-+ * - decoding: Set by user
-+ */
-+ void *hwaccel_context;
-+
-+ /**
-+ * error
-+ * - encoding: Set by libavcodec if flags & AV_CODEC_FLAG_PSNR.
-+ * - decoding: unused
-+ */
-+ uint64_t error[AV_NUM_DATA_POINTERS];
-+
-+ /**
-+ * DCT algorithm, see FF_DCT_* below
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int dct_algo;
-+#define FF_DCT_AUTO 0
-+#define FF_DCT_FASTINT 1
-+#define FF_DCT_INT 2
-+#define FF_DCT_MMX 3
-+#define FF_DCT_ALTIVEC 5
-+#define FF_DCT_FAAN 6
-+
-+ /**
-+ * IDCT algorithm, see FF_IDCT_* below.
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ int idct_algo;
-+#define FF_IDCT_AUTO 0
-+#define FF_IDCT_INT 1
-+#define FF_IDCT_SIMPLE 2
-+#define FF_IDCT_SIMPLEMMX 3
-+#define FF_IDCT_ARM 7
-+#define FF_IDCT_ALTIVEC 8
-+#define FF_IDCT_SIMPLEARM 10
-+#define FF_IDCT_XVID 14
-+#define FF_IDCT_SIMPLEARMV5TE 16
-+#define FF_IDCT_SIMPLEARMV6 17
-+#define FF_IDCT_FAAN 20
-+#define FF_IDCT_SIMPLENEON 22
-+#define FF_IDCT_NONE 24 /* Used by XvMC to extract IDCT coefficients with FF_IDCT_PERM_NONE */
-+#define FF_IDCT_SIMPLEAUTO 128
-+
-+ /**
-+ * bits per sample/pixel from the demuxer (needed for huffyuv).
-+ * - encoding: Set by libavcodec.
-+ * - decoding: Set by user.
-+ */
-+ int bits_per_coded_sample;
-+
-+ /**
-+ * Bits per sample/pixel of internal libavcodec pixel/sample format.
-+ * - encoding: set by user.
-+ * - decoding: set by libavcodec.
-+ */
-+ int bits_per_raw_sample;
-+
-+#if FF_API_LOWRES
-+ /**
-+ * low resolution decoding, 1-> 1/2 size, 2->1/4 size
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ int lowres;
-+#endif
-+
-+#if FF_API_CODED_FRAME
-+ /**
-+ * the picture in the bitstream
-+ * - encoding: Set by libavcodec.
-+ * - decoding: unused
-+ *
-+ * @deprecated use the quality factor packet side data instead
-+ */
-+ attribute_deprecated AVFrame *coded_frame;
-+#endif
-+
-+ /**
-+ * thread count
-+ * is used to decide how many independent tasks should be passed to execute()
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ int thread_count;
-+
-+ /**
-+ * Which multithreading methods to use.
-+ * Use of FF_THREAD_FRAME will increase decoding delay by one frame per thread,
-+ * so clients which cannot provide future frames should not use it.
-+ *
-+ * - encoding: Set by user, otherwise the default is used.
-+ * - decoding: Set by user, otherwise the default is used.
-+ */
-+ int thread_type;
-+#define FF_THREAD_FRAME 1 ///< Decode more than one frame at once
-+#define FF_THREAD_SLICE 2 ///< Decode more than one part of a single frame at once
-+
-+ /**
-+ * Which multithreading methods are in use by the codec.
-+ * - encoding: Set by libavcodec.
-+ * - decoding: Set by libavcodec.
-+ */
-+ int active_thread_type;
-+
-+ /**
-+ * Set by the client if its custom get_buffer() callback can be called
-+ * synchronously from another thread, which allows faster multithreaded decoding.
-+ * draw_horiz_band() will be called from other threads regardless of this setting.
-+ * Ignored if the default get_buffer() is used.
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ int thread_safe_callbacks;
-+
-+ /**
-+ * The codec may call this to execute several independent things.
-+ * It will return only after finishing all tasks.
-+ * The user may replace this with some multithreaded implementation,
-+ * the default implementation will execute the parts serially.
-+ * @param count the number of things to execute
-+ * - encoding: Set by libavcodec, user can override.
-+ * - decoding: Set by libavcodec, user can override.
-+ */
-+ int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size);
-+
-+ /**
-+ * The codec may call this to execute several independent things.
-+ * It will return only after finishing all tasks.
-+ * The user may replace this with some multithreaded implementation,
-+ * the default implementation will execute the parts serially.
-+ * Also see avcodec_thread_init and e.g. the --enable-pthread configure option.
-+ * @param c context passed also to func
-+ * @param count the number of things to execute
-+ * @param arg2 argument passed unchanged to func
-+ * @param ret return values of executed functions, must have space for "count" values. May be NULL.
-+ * @param func function that will be called count times, with jobnr from 0 to count-1.
-+ * threadnr will be in the range 0 to c->thread_count-1 < MAX_THREADS and so that no
-+ * two instances of func executing at the same time will have the same threadnr.
-+ * @return always 0 currently, but code should handle a future improvement where when any call to func
-+ * returns < 0 no further calls to func may be done and < 0 is returned.
-+ * - encoding: Set by libavcodec, user can override.
-+ * - decoding: Set by libavcodec, user can override.
-+ */
-+ int (*execute2)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count);
-+
-+ /**
-+ * noise vs. sse weight for the nsse comparison function
-+ * - encoding: Set by user.
-+ * - decoding: unused
-+ */
-+ int nsse_weight;
-+
-+ /**
-+ * profile
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec.
-+ */
-+ int profile;
-+#define FF_PROFILE_UNKNOWN -99
-+#define FF_PROFILE_RESERVED -100
-+
-+#define FF_PROFILE_AAC_MAIN 0
-+#define FF_PROFILE_AAC_LOW 1
-+#define FF_PROFILE_AAC_SSR 2
-+#define FF_PROFILE_AAC_LTP 3
-+#define FF_PROFILE_AAC_HE 4
-+#define FF_PROFILE_AAC_HE_V2 28
-+#define FF_PROFILE_AAC_LD 22
-+#define FF_PROFILE_AAC_ELD 38
-+#define FF_PROFILE_MPEG2_AAC_LOW 128
-+#define FF_PROFILE_MPEG2_AAC_HE 131
-+
-+#define FF_PROFILE_DNXHD 0
-+#define FF_PROFILE_DNXHR_LB 1
-+#define FF_PROFILE_DNXHR_SQ 2
-+#define FF_PROFILE_DNXHR_HQ 3
-+#define FF_PROFILE_DNXHR_HQX 4
-+#define FF_PROFILE_DNXHR_444 5
-+
-+#define FF_PROFILE_DTS 20
-+#define FF_PROFILE_DTS_ES 30
-+#define FF_PROFILE_DTS_96_24 40
-+#define FF_PROFILE_DTS_HD_HRA 50
-+#define FF_PROFILE_DTS_HD_MA 60
-+#define FF_PROFILE_DTS_EXPRESS 70
-+
-+#define FF_PROFILE_MPEG2_422 0
-+#define FF_PROFILE_MPEG2_HIGH 1
-+#define FF_PROFILE_MPEG2_SS 2
-+#define FF_PROFILE_MPEG2_SNR_SCALABLE 3
-+#define FF_PROFILE_MPEG2_MAIN 4
-+#define FF_PROFILE_MPEG2_SIMPLE 5
-+
-+#define FF_PROFILE_H264_CONSTRAINED (1<<9) // 8+1; constraint_set1_flag
-+#define FF_PROFILE_H264_INTRA (1<<11) // 8+3; constraint_set3_flag
-+
-+#define FF_PROFILE_H264_BASELINE 66
-+#define FF_PROFILE_H264_CONSTRAINED_BASELINE (66|FF_PROFILE_H264_CONSTRAINED)
-+#define FF_PROFILE_H264_MAIN 77
-+#define FF_PROFILE_H264_EXTENDED 88
-+#define FF_PROFILE_H264_HIGH 100
-+#define FF_PROFILE_H264_HIGH_10 110
-+#define FF_PROFILE_H264_HIGH_10_INTRA (110|FF_PROFILE_H264_INTRA)
-+#define FF_PROFILE_H264_MULTIVIEW_HIGH 118
-+#define FF_PROFILE_H264_HIGH_422 122
-+#define FF_PROFILE_H264_HIGH_422_INTRA (122|FF_PROFILE_H264_INTRA)
-+#define FF_PROFILE_H264_STEREO_HIGH 128
-+#define FF_PROFILE_H264_HIGH_444 144
-+#define FF_PROFILE_H264_HIGH_444_PREDICTIVE 244
-+#define FF_PROFILE_H264_HIGH_444_INTRA (244|FF_PROFILE_H264_INTRA)
-+#define FF_PROFILE_H264_CAVLC_444 44
-+
-+#define FF_PROFILE_VC1_SIMPLE 0
-+#define FF_PROFILE_VC1_MAIN 1
-+#define FF_PROFILE_VC1_COMPLEX 2
-+#define FF_PROFILE_VC1_ADVANCED 3
-+
-+#define FF_PROFILE_MPEG4_SIMPLE 0
-+#define FF_PROFILE_MPEG4_SIMPLE_SCALABLE 1
-+#define FF_PROFILE_MPEG4_CORE 2
-+#define FF_PROFILE_MPEG4_MAIN 3
-+#define FF_PROFILE_MPEG4_N_BIT 4
-+#define FF_PROFILE_MPEG4_SCALABLE_TEXTURE 5
-+#define FF_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION 6
-+#define FF_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE 7
-+#define FF_PROFILE_MPEG4_HYBRID 8
-+#define FF_PROFILE_MPEG4_ADVANCED_REAL_TIME 9
-+#define FF_PROFILE_MPEG4_CORE_SCALABLE 10
-+#define FF_PROFILE_MPEG4_ADVANCED_CODING 11
-+#define FF_PROFILE_MPEG4_ADVANCED_CORE 12
-+#define FF_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE 13
-+#define FF_PROFILE_MPEG4_SIMPLE_STUDIO 14
-+#define FF_PROFILE_MPEG4_ADVANCED_SIMPLE 15
-+
-+#define FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0 1
-+#define FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1 2
-+#define FF_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION 32768
-+#define FF_PROFILE_JPEG2000_DCINEMA_2K 3
-+#define FF_PROFILE_JPEG2000_DCINEMA_4K 4
-+
-+#define FF_PROFILE_VP9_0 0
-+#define FF_PROFILE_VP9_1 1
-+#define FF_PROFILE_VP9_2 2
-+#define FF_PROFILE_VP9_3 3
-+
-+#define FF_PROFILE_HEVC_MAIN 1
-+#define FF_PROFILE_HEVC_MAIN_10 2
-+#define FF_PROFILE_HEVC_MAIN_STILL_PICTURE 3
-+#define FF_PROFILE_HEVC_REXT 4
-+
-+#define FF_PROFILE_AV1_MAIN 0
-+#define FF_PROFILE_AV1_HIGH 1
-+#define FF_PROFILE_AV1_PROFESSIONAL 2
-+
-+#define FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT 0xc0
-+#define FF_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1
-+#define FF_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT 0xc2
-+#define FF_PROFILE_MJPEG_HUFFMAN_LOSSLESS 0xc3
-+#define FF_PROFILE_MJPEG_JPEG_LS 0xf7
-+
-+#define FF_PROFILE_SBC_MSBC 1
-+
-+ /**
-+ * level
-+ * - encoding: Set by user.
-+ * - decoding: Set by libavcodec.
-+ */
-+ int level;
-+#define FF_LEVEL_UNKNOWN -99
-+
-+ /**
-+ * Skip loop filtering for selected frames.
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ enum AVDiscard skip_loop_filter;
-+
-+ /**
-+ * Skip IDCT/dequantization for selected frames.
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ enum AVDiscard skip_idct;
-+
-+ /**
-+ * Skip decoding for selected frames.
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ enum AVDiscard skip_frame;
-+
-+ /**
-+ * Header containing style information for text subtitles.
-+ * For SUBTITLE_ASS subtitle type, it should contain the whole ASS
-+ * [Script Info] and [V4+ Styles] section, plus the [Events] line and
-+ * the Format line following. It shouldn't include any Dialogue line.
-+ * - encoding: Set/allocated/freed by user (before avcodec_open2())
-+ * - decoding: Set/allocated/freed by libavcodec (by avcodec_open2())
-+ */
-+ uint8_t *subtitle_header;
-+ int subtitle_header_size;
-+
-+#if FF_API_VBV_DELAY
-+ /**
-+ * VBV delay coded in the last frame (in periods of a 27 MHz clock).
-+ * Used for compliant TS muxing.
-+ * - encoding: Set by libavcodec.
-+ * - decoding: unused.
-+ * @deprecated this value is now exported as a part of
-+ * AV_PKT_DATA_CPB_PROPERTIES packet side data
-+ */
-+ attribute_deprecated
-+ uint64_t vbv_delay;
-+#endif
-+
-+#if FF_API_SIDEDATA_ONLY_PKT
-+ /**
-+ * Encoding only and set by default. Allow encoders to output packets
-+ * that do not contain any encoded data, only side data.
-+ *
-+ * Some encoders need to output such packets, e.g. to update some stream
-+ * parameters at the end of encoding.
-+ *
-+ * @deprecated this field disables the default behaviour and
-+ * it is kept only for compatibility.
-+ */
-+ attribute_deprecated
-+ int side_data_only_packets;
-+#endif
-+
-+ /**
-+ * Audio only. The number of "priming" samples (padding) inserted by the
-+ * encoder at the beginning of the audio. I.e. this number of leading
-+ * decoded samples must be discarded by the caller to get the original audio
-+ * without leading padding.
-+ *
-+ * - decoding: unused
-+ * - encoding: Set by libavcodec. The timestamps on the output packets are
-+ * adjusted by the encoder so that they always refer to the
-+ * first sample of the data actually contained in the packet,
-+ * including any added padding. E.g. if the timebase is
-+ * 1/samplerate and the timestamp of the first input sample is
-+ * 0, the timestamp of the first output packet will be
-+ * -initial_padding.
-+ */
-+ int initial_padding;
-+
-+ /**
-+ * - decoding: For codecs that store a framerate value in the compressed
-+ * bitstream, the decoder may export it here. { 0, 1} when
-+ * unknown.
-+ * - encoding: May be used to signal the framerate of CFR content to an
-+ * encoder.
-+ */
-+ AVRational framerate;
-+
-+ /**
-+ * Nominal unaccelerated pixel format, see AV_PIX_FMT_xxx.
-+ * - encoding: unused.
-+ * - decoding: Set by libavcodec before calling get_format()
-+ */
-+ enum AVPixelFormat sw_pix_fmt;
-+
-+ /**
-+ * Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
-+ * - encoding unused.
-+ * - decoding set by user.
-+ */
-+ AVRational pkt_timebase;
-+
-+ /**
-+ * AVCodecDescriptor
-+ * - encoding: unused.
-+ * - decoding: set by libavcodec.
-+ */
-+ const AVCodecDescriptor *codec_descriptor;
-+
-+#if !FF_API_LOWRES
-+ /**
-+ * low resolution decoding, 1-> 1/2 size, 2->1/4 size
-+ * - encoding: unused
-+ * - decoding: Set by user.
-+ */
-+ int lowres;
-+#endif
-+
-+ /**
-+ * Current statistics for PTS correction.
-+ * - decoding: maintained and used by libavcodec, not intended to be used by user apps
-+ * - encoding: unused
-+ */
-+ int64_t pts_correction_num_faulty_pts; /// Number of incorrect PTS values so far
-+ int64_t pts_correction_num_faulty_dts; /// Number of incorrect DTS values so far
-+ int64_t pts_correction_last_pts; /// PTS of the last frame
-+ int64_t pts_correction_last_dts; /// DTS of the last frame
-+
-+ /**
-+ * Character encoding of the input subtitles file.
-+ * - decoding: set by user
-+ * - encoding: unused
-+ */
-+ char *sub_charenc;
-+
-+ /**
-+ * Subtitles character encoding mode. Formats or codecs might be adjusting
-+ * this setting (if they are doing the conversion themselves for instance).
-+ * - decoding: set by libavcodec
-+ * - encoding: unused
-+ */
-+ int sub_charenc_mode;
-+#define FF_SUB_CHARENC_MODE_DO_NOTHING -1 ///< do nothing (demuxer outputs a stream supposed to be already in UTF-8, or the codec is bitmap for instance)
-+#define FF_SUB_CHARENC_MODE_AUTOMATIC 0 ///< libavcodec will select the mode itself
-+#define FF_SUB_CHARENC_MODE_PRE_DECODER 1 ///< the AVPacket data needs to be recoded to UTF-8 before being fed to the decoder, requires iconv
-+#define FF_SUB_CHARENC_MODE_IGNORE 2 ///< neither convert the subtitles, nor check them for valid UTF-8
-+
-+ /**
-+ * Skip processing alpha if supported by codec.
-+ * Note that if the format uses pre-multiplied alpha (common with VP6,
-+ * and recommended due to better video quality/compression)
-+ * the image will look as if alpha-blended onto a black background.
-+ * However for formats that do not use pre-multiplied alpha
-+ * there might be serious artefacts (though e.g. libswscale currently
-+ * assumes pre-multiplied alpha anyway).
-+ *
-+ * - decoding: set by user
-+ * - encoding: unused
-+ */
-+ int skip_alpha;
-+
-+ /**
-+ * Number of samples to skip after a discontinuity
-+ * - decoding: unused
-+ * - encoding: set by libavcodec
-+ */
-+ int seek_preroll;
-+
-+#if !FF_API_DEBUG_MV
-+ /**
-+ * debug motion vectors
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ int debug_mv;
-+#define FF_DEBUG_VIS_MV_P_FOR 0x00000001 //visualize forward predicted MVs of P frames
-+#define FF_DEBUG_VIS_MV_B_FOR 0x00000002 //visualize forward predicted MVs of B frames
-+#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames
-+#endif
-+
-+ /**
-+ * custom intra quantization matrix
-+ * - encoding: Set by user, can be NULL.
-+ * - decoding: unused.
-+ */
-+ uint16_t *chroma_intra_matrix;
-+
-+ /**
-+ * dump format separator.
-+ * can be ", " or "\n " or anything else
-+ * - encoding: Set by user.
-+ * - decoding: Set by user.
-+ */
-+ uint8_t *dump_separator;
-+
-+ /**
-+ * ',' separated list of allowed decoders.
-+ * If NULL then all are allowed
-+ * - encoding: unused
-+ * - decoding: set by user
-+ */
-+ char *codec_whitelist;
-+
-+ /**
-+ * Properties of the stream that gets decoded
-+ * - encoding: unused
-+ * - decoding: set by libavcodec
-+ */
-+ unsigned properties;
-+#define FF_CODEC_PROPERTY_LOSSLESS 0x00000001
-+#define FF_CODEC_PROPERTY_CLOSED_CAPTIONS 0x00000002
-+
-+ /**
-+ * Additional data associated with the entire coded stream.
-+ *
-+ * - decoding: unused
-+ * - encoding: may be set by libavcodec after avcodec_open2().
-+ */
-+ AVPacketSideData *coded_side_data;
-+ int nb_coded_side_data;
-+
-+ /**
-+ * A reference to the AVHWFramesContext describing the input (for encoding)
-+ * or output (decoding) frames. The reference is set by the caller and
-+ * afterwards owned (and freed) by libavcodec - it should never be read by
-+ * the caller after being set.
-+ *
-+ * - decoding: This field should be set by the caller from the get_format()
-+ * callback. The previous reference (if any) will always be
-+ * unreffed by libavcodec before the get_format() call.
-+ *
-+ * If the default get_buffer2() is used with a hwaccel pixel
-+ * format, then this AVHWFramesContext will be used for
-+ * allocating the frame buffers.
<Skipped 9818 lines>
================================================================
---- gitweb:
http://git.pld-linux.org/gitweb.cgi/packages/firefox.git/commitdiff/1b2890553762714db0476ae003794dba15c9ccec
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