SOURCES: mplayer-mythtv.patch (NEW) - patch taken from gentoo port...
glen
glen at pld-linux.org
Sat Sep 10 21:35:00 CEST 2005
Author: glen Date: Sat Sep 10 19:35:00 2005 GMT
Module: SOURCES Tag: HEAD
---- Log message:
- patch taken from gentoo portage tree
---- Files affected:
SOURCES:
mplayer-mythtv.patch (NONE -> 1.1) (NEW)
---- Diffs:
================================================================
Index: SOURCES/mplayer-mythtv.patch
diff -u /dev/null SOURCES/mplayer-mythtv.patch:1.1
--- /dev/null Sat Sep 10 21:35:00 2005
+++ SOURCES/mplayer-mythtv.patch Sat Sep 10 21:34:55 2005
@@ -0,0 +1,381 @@
+diff -ru MPlayer-0.90/libmpcodecs/native/nuppelvideo.c MPlayer-0.90+mdz/libmpcodecs/native/nuppelvideo.c
+--- MPlayer-0.90/libmpcodecs/native/nuppelvideo.c 2002-08-28 18:45:45.000000000 -0400
++++ MPlayer-0.90+mdz/libmpcodecs/native/nuppelvideo.c 2003-04-07 09:49:51.000000000 -0400
+@@ -33,6 +33,7 @@
+ static unsigned char *previous_buffer = 0; /* to support Last-frame-copy */
+ #endif
+ static int is_lzo_inited = 0;
++ static int is_rtjpeg_inited = 0;
+
+ // printf("frametype: %c, comtype: %c, encoded_size: %d, width: %d, height: %d\n",
+ // encodedh->frametype, encodedh->comptype, encoded_size, width, height);
+@@ -44,6 +45,7 @@
+ /* tables are in encoded */
+ if (encodedh->comptype == 'R')
+ {
++ is_rtjpeg_inited = 1;
+ RTjpeg_init_decompress ( (unsigned long *)(encoded+12), width, height );
+ mp_msg(MSGT_DECVIDEO, MSGL_V, "Found RTjpeg tables (size: %d, width: %d, height: %d)\n",
+ encoded_size-12, width, height);
+@@ -91,7 +93,10 @@
+ mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Nuppelvideo: error decompressing\n");
+ break;
+ }
+- RTjpeg_decompressYUV420 ( ( __s8 * ) buffer, decoded );
++ if(is_rtjpeg_inited)
++ RTjpeg_decompressYUV420 ( ( __s8 * ) buffer, decoded );
++ else /* MythTV */
++ RTjpeg_decompressYUV420 ( ( __s8 * ) buffer + 12, decoded );
+ break;
+ case '3': /* raw YUV420 with LZO */
+ r = lzo1x_decompress ( encoded + 12, encodedh->packetlength, decoded, &out_len, NULL );
+diff -ru MPlayer-0.90/libmpdemux/demux_nuv.c MPlayer-0.90+mdz/libmpdemux/demux_nuv.c
+--- MPlayer-0.90/libmpdemux/demux_nuv.c 2002-09-30 17:10:41.000000000 -0400
++++ MPlayer-0.90+mdz/libmpdemux/demux_nuv.c 2003-04-07 09:50:30.000000000 -0400
+@@ -43,6 +43,60 @@
+ nuv_position_t *current_position;
+ } nuv_priv_t;
+
++/* stolen from libmp3lame -mdz */
++
++/* Used to find nearest matching bitrate
++ * we need bitrate-based values
++ * determined using tables
++ *
++ * bitrate in kbps
++ *
++ * Gabriel Bouvigne 2002-11-03
++ */
++int nearestBitrate(const int bitrate)
++{
++ /* borrowed from DM abr presets*/
++
++ int index; // resolved range
++
++ const int bitrate_table[] = {8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320};
++
++
++ int lower_range = 0, lower_range_kbps = 0,
++ upper_range = 0, upper_range_kbps = 0;
++
++
++ int b;
++
++
++ // We assume specified bitrate will be 320kbps
++ upper_range_kbps = bitrate_table[16];
++ upper_range = 16;
++ lower_range_kbps = bitrate_table[16];
++ lower_range = 16;
++
++ // Determine which significant bitrates the value specified falls between,
++ // if loop ends without breaking then we were correct above that the value was 320
++ for (b = 0; b < 16; b++) {
++ if (bitrate < bitrate_table[b+1]) {
++ upper_range_kbps = bitrate_table[b+1];
++ upper_range = b+1;
++ lower_range_kbps = bitrate_table[b];
++ lower_range = (b);
++ break; // We found upper range
++ }
++ }
++
++ // Determine which range the value specified is closer to
++ if ((upper_range_kbps - bitrate) > (bitrate - lower_range_kbps))
++ index = lower_range;
++ else
++ index = upper_range;
++
++ return bitrate_table[index];
++}
++
++#define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24))
+
+ /**
+ * Seek to a position relative to the current position, indicated in time.
+@@ -147,17 +201,25 @@
+ return 0; /* EOF */
+
+ #if 0
+- printf("NUV frame: frametype: %c, comptype: %c, packetlength: %d\n",
++ printf("NUV frame: frametype: %c, comptype: %c, packetlength: %d, timecode: %d\n",
+ rtjpeg_frameheader.frametype, rtjpeg_frameheader.comptype,
+- rtjpeg_frameheader.packetlength);
++ rtjpeg_frameheader.packetlength, rtjpeg_frameheader.timecode);
+ #endif
+
+- /* Skip Seekpoint, Text and Sync for now */
++ /* Skip Seekpoint, Extended header and Sync for now */
+ if ((rtjpeg_frameheader.frametype == 'R') ||
+- (rtjpeg_frameheader.frametype == 'T') ||
+- (rtjpeg_frameheader.frametype == 'S'))
++ (rtjpeg_frameheader.frametype == 'X') ||
++ (rtjpeg_frameheader.frametype == 'S'))
+ return 1;
+-
++
++ /* Skip seektable and text (these have a payload) */
++ if (rtjpeg_frameheader.frametype == 'Q' ||
++ rtjpeg_frameheader.frametype == 'T') {
++ stream_skip(demuxer->stream, rtjpeg_frameheader.packetlength);
++ return 1;
++ }
++
++
+ if (((rtjpeg_frameheader.frametype == 'D') &&
+ (rtjpeg_frameheader.comptype == 'R')) ||
+ (rtjpeg_frameheader.frametype == 'V'))
+@@ -175,13 +237,13 @@
+ /* put RTjpeg tables, Video info to video buffer */
+ stream_seek ( demuxer->stream, orig_pos );
+ ds_read_packet ( demuxer->video, demuxer->stream, rtjpeg_frameheader.packetlength + 12,
+- rtjpeg_frameheader.timecode*0.001, orig_pos, 0 );
++ rtjpeg_frameheader.timecode*0.001, orig_pos, 0 );
+
+
+ } else
+ /* copy PCM only */
+ if (demuxer->audio && (rtjpeg_frameheader.frametype == 'A') &&
+- (rtjpeg_frameheader.comptype == '0'))
++ 1 /*(rtjpeg_frameheader.comptype == '0')*/)
+ {
+ priv->current_audio_frame++;
+ if (want_audio) {
+@@ -192,15 +254,110 @@
+ orig_pos + 12, 0 );
+ } else {
+ /* skip audio block */
+- stream_seek ( demuxer->stream,
+- stream_tell ( demuxer->stream )
+- + rtjpeg_frameheader.packetlength );
++ stream_skip ( demuxer->stream,
++ rtjpeg_frameheader.packetlength );
+ }
+ }
+
+ return 1;
+ }
+
++/* Scan for the extended data in MythTV nuv streams */
++int demux_xscan_nuv ( demuxer_t* demuxer, int width, int height )
++{
++ int i;
++ struct rtframeheader rtjpeg_frameheader;
++ struct extendeddata ext;
++ sh_video_t* sh_video = demuxer->video->sh;
++ sh_audio_t* sh_audio = demuxer->audio->sh;
++
++ for( i = 0 ; i < 2 ; ++i ) {
++ if (stream_read ( demuxer->stream, (char*)& rtjpeg_frameheader, sizeof ( rtjpeg_frameheader ) ) < sizeof(rtjpeg_frameheader))
++ return 0; /* EOF */
++
++ if (rtjpeg_frameheader.frametype != 'X')
++ stream_skip( demuxer->stream, rtjpeg_frameheader.packetlength );
++ }
++
++ if ( rtjpeg_frameheader.frametype != 'X' ) {
++ stream_reset( demuxer->stream );
++ return 0; /* No X frame in the expected place */
++ }
++
++ if ( rtjpeg_frameheader.packetlength != sizeof(ext) ) {
++ printf("NUV extended frame does not have expected length, ignoring\n");
++ stream_reset( demuxer->stream );
++ return 0;
++ }
++
++ if (stream_read( demuxer->stream, (char*)& ext, sizeof(ext)) < sizeof(ext)) {
++ stream_reset( demuxer->stream );
++ return 0; /* EOF */
++ }
++
++ if ( ext.version != 1 ) {
++ printf("NUV extended frame has unknown version number (%d), ignoring\n",
++ ext.version);
++ stream_reset( demuxer->stream );
++ return 0;
++ }
++
++ printf("Detected MythTV stream, reading extended format information\n");
++
++ /* Video parameters */
++ printf("FOURCC: %c%c%c%c\n",
++ (ext.video_fourcc >> 24) & 0xff,
++ (ext.video_fourcc >> 16) & 0xff,
++ (ext.video_fourcc >> 8) & 0xff,
++ (ext.video_fourcc) & 0xff);
++ if ( ext.video_fourcc == mmioFOURCC('R', 'J', 'P', 'G') ) {
++ long buf[128];
++
++ /* Ignore the fact that this is initialising the compression
++ Doing this will set the quality factor correctly */
++ RTjpeg_init_compress(buf,width,height,ext.rtjpeg_quality);
++ RTjpeg_init_decompress(buf,width,height);
++
++ sh_video->format = mmioFOURCC('N', 'U', 'V', '1');
++ } else {
++ sh_video->format = ext.video_fourcc;
++ sh_video->i_bps = ext.lavc_bitrate;
++ }
++
++ /* Audio parameters */
++ if ( ext.audio_fourcc == mmioFOURCC('L', 'A', 'M', 'E') ) {
++ sh_audio->format = 0x55;
++ } else if ( ext.audio_fourcc == mmioFOURCC('R', 'A', 'W', 'A') ) {
++ sh_audio->format = 0x1;
++ } else {
++ printf("Warning! unknown audio format %d\n", ext.audio_fourcc);
++ }
++
++ sh_audio->samplerate = ext.audio_sample_rate;
++ sh_audio->channels = ext.audio_channels;
++
++ /* this is a little silly so that we can use libmp3lame's
++ nearestBitrate verbatim */
++ if (sh_audio->format != 0x1)
++ sh_audio->i_bps = nearestBitrate(ext.audio_channels
++ * ext.audio_bits_per_sample
++ * ext.audio_sample_rate /
++ ext.audio_compression_ratio / 1000) * 1000;
++
++ sh_audio->wf->wBitsPerSample = ext.audio_bits_per_sample;
++ sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps / 8;
++ sh_audio->wf->nBlockAlign = sh_audio->channels * 2;
++ sh_audio->wf->cbSize = 0;
++ sh_audio->wf->nSamplesPerSec = ext.audio_sample_rate;
++ sh_audio->wf->wFormatTag = sh_audio->format;
++ sh_audio->wf->nChannels = ext.audio_channels;
++
++ printf("channels=%d bitspersample=%d samplerate=%d audio_compression_ratio=%d\n", ext.audio_channels, ext.audio_bits_per_sample, ext.audio_sample_rate, ext.audio_compression_ratio);
++
++ stream_reset( demuxer->stream );
++
++ return 1;
++}
+
+ demuxer_t* demux_open_nuv ( demuxer_t* demuxer )
+ {
+@@ -240,8 +397,6 @@
+ */
+ sh_video->ds = demuxer->video;
+
+- /* Custom fourcc for internal MPlayer use */
+- sh_video->format = mmioFOURCC('N', 'U', 'V', '1');
+
+ sh_video->disp_w = rtjpeg_fileheader.width;
+ sh_video->disp_h = rtjpeg_fileheader.height;
+@@ -258,26 +413,44 @@
+ sh_video->fps = rtjpeg_fileheader.fps;
+ sh_video->frametime = 1 / sh_video->fps;
+
+- if (rtjpeg_fileheader.audioblocks != 0)
+- {
+- sh_audio = new_sh_audio(demuxer, 0);
+- demuxer->audio->sh = sh_audio;
+- sh_audio->ds = demuxer->audio;
+- sh_audio->format = 0x1;
+- sh_audio->channels = 2;
+- sh_audio->samplerate = 44100;
+-
+- sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
+- memset(sh_audio->wf, 0, sizeof(WAVEFORMATEX));
+- sh_audio->wf->wFormatTag = sh_audio->format;
+- sh_audio->wf->nChannels = sh_audio->channels;
+- sh_audio->wf->wBitsPerSample = 16;
+- sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
+- sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nChannels*
+- sh_audio->wf->wBitsPerSample*sh_audio->wf->nSamplesPerSec/8;
+- sh_audio->wf->nBlockAlign = sh_audio->channels * 2;
+- sh_audio->wf->cbSize = 0;
+- }
++ if (rtjpeg_fileheader.audioblocks != 0)
++ {
++ sh_audio = new_sh_audio(demuxer, 0);
++ demuxer->audio->sh = sh_audio;
++ sh_audio->ds = demuxer->audio;
++ sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
++ memset(sh_audio->wf, 0, sizeof(WAVEFORMATEX));
++ }
++
++ /* Check for extended data (X frame) and read settings from it */
++ if (! demux_xscan_nuv( demuxer,
++ rtjpeg_fileheader.width,
++ rtjpeg_fileheader.height) ) {
++ /* Otherwise assume defaults */
++ printf("No NUV extended frame, using defaults\n");
++
++ /* Custom fourcc for internal MPlayer use */
++ sh_video->format = mmioFOURCC('N', 'U', 'V', '1');
++
++ if (rtjpeg_fileheader.audioblocks != 0)
++ {
++ sh_audio->format = 0x1;
++ sh_audio->channels = 2;
++ sh_audio->samplerate = 44100;
++ sh_audio->wf->wBitsPerSample = 16;
++ }
++
++ if (rtjpeg_fileheader.audioblocks != 0)
++ {
++ sh_audio->wf->wFormatTag = sh_audio->format;
++ sh_audio->wf->nChannels = sh_audio->channels;
++ sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
++ sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nChannels*
++ sh_audio->wf->wBitsPerSample*sh_audio->wf->nSamplesPerSec/8;
++ sh_audio->wf->nBlockAlign = sh_audio->channels * 2;
++ sh_audio->wf->cbSize = 0;
++ }
++ }
+
+ priv->index_list = (nuv_position_t*) malloc(sizeof(nuv_position_t));
+ priv->index_list->frame = 0;
+@@ -300,9 +473,12 @@
+
+ stream_read(demuxer->stream,(char*)&ns,sizeof(ns));
+
+- if ( strncmp ( ns.finfo, "NuppelVideo", 12 ) )
++ if ( strncmp ( ns.finfo, "NuppelVideo", 12 ) &&
++ strncmp ( ns.finfo, "MythTVVideo", 12 ) )
+ return 0; /* Not a NuppelVideo file */
+- if ( strncmp ( ns.version, "0.05", 5 ) )
++ if ( strncmp ( ns.version, "0.05", 5 ) &&
++ strncmp ( ns.version, "0.06", 5 ) &&
++ strncmp ( ns.version, "0.07", 5 ) )
+ return 0; /* Wrong version NuppelVideo file */
+
+ /* Return to original position */
+Only in MPlayer-0.90+mdz/libmpdemux: demux_nuv.c~
+diff -ru MPlayer-0.90/libmpdemux/nuppelvideo.h MPlayer-0.90+mdz/libmpdemux/nuppelvideo.h
+--- MPlayer-0.90/libmpdemux/nuppelvideo.h 2001-12-27 17:20:15.000000000 -0500
++++ MPlayer-0.90+mdz/libmpdemux/nuppelvideo.h 2003-04-07 09:49:51.000000000 -0400
+@@ -90,3 +90,30 @@
+ unsigned char *buffer_offset;
+ } audbuffertyp;
+
++/* for MythTV */
++typedef struct extendeddata
++{
++ int version; // yes, this is repeated from the file header
++ int video_fourcc; // video encoding method used
++ int audio_fourcc; // audio encoding method used
++ // generic data
++ int audio_sample_rate;
++ int audio_bits_per_sample;
++ int audio_channels;
++ // codec specific
++ // mp3lame
++ int audio_compression_ratio;
++ int audio_quality;
++ // rtjpeg
++ int rtjpeg_quality;
++ int rtjpeg_luma_filter;
++ int rtjpeg_chroma_filter;
++ // libavcodec
++ int lavc_bitrate;
++ int lavc_qmin;
++ int lavc_qmax;
++ int lavc_maxqdiff;
++ // unused for later -- total size of 128 integers.
++ // new fields must be added at the end, above this comment.
++ int expansion[113];
++} extendeddata;
================================================================
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