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changed int -> float for proper PTS calculation (works just as well as the

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old method)


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5425 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
melanson 2002-03-31 18:29:09 +00:00
parent 47cf26cd52
commit a546c285d5
1 changed files with 3 additions and 13 deletions
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16
libmpdemux/demux_roq.c
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@ -26,22 +26,13 @@
#define CHUNK_TYPE_AUDIO 0
#define CHUNK_TYPE_VIDEO 1
// Pick a number, any number (but not 1); make it large enough (any number
// over, say, 50, should work well). I don't know why this works, but it
// does. For some reason, setting a frame's PTS value to
// (frame number) / (fps)
// when fps is small (20-30) doesn't work. But multiplying the PTS by
// n / n
// where n is some non-small number works PTS miracles.
#define RANDOM_FPS_MULTIPLIER 162
typedef struct roq_chunk_t
{
int chunk_type;
off_t chunk_offset;
int chunk_size;
int video_chunk_number; // in the case of a video chunk
float video_chunk_number; // in the case of a video chunk
int running_audio_sample_count; // for an audio chunk
} roq_chunk_t;
@ -88,7 +79,6 @@ int demux_roq_fill_buffer(demuxer_t *demuxer)
if (roq_chunk.chunk_type == CHUNK_TYPE_AUDIO)
ds_read_packet(demuxer->audio, demuxer->stream, roq_chunk.chunk_size,
// roq_chunk.running_audio_sample_count / 22050,
0,
roq_chunk.chunk_offset, 0);
else
@ -154,7 +144,7 @@ demuxer_t* demux_open_roq(demuxer_t* demuxer)
sh_video->format = mmioFOURCC('R', 'o', 'Q', 'V');
// constant frame rate
sh_video->fps = fps * RANDOM_FPS_MULTIPLIER;
sh_video->fps = fps;
sh_video->frametime = 1 / sh_video->fps;
}
}
@ -217,7 +207,7 @@ demuxer_t* demux_open_roq(demuxer_t* demuxer)
stream_tell(demuxer->stream) - 8;
roq_data->chunks[roq_data->total_chunks].chunk_size = chunk_size + 8;
roq_data->chunks[roq_data->total_chunks].video_chunk_number =
roq_data->total_video_chunks++ * RANDOM_FPS_MULTIPLIER;
roq_data->total_video_chunks++;
stream_skip(demuxer->stream, chunk_size);
roq_data->total_chunks++;