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Support concatenated YUV4MPEG files. 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30970 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2010-03-27 16:01:22 +00:00
parent ce67a0caf7
commit 67dcbed681
1 changed files with 28 additions and 11 deletions
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39
libmpdemux/demux_y4m.c
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@ -76,6 +76,7 @@ static int y4m_check_file(demuxer_t* demuxer){
return DEMUXER_TYPE_Y4M;
}
static void read_streaminfo(demuxer_t *demuxer);
// return value:
// 0 = EOF or no stream found
@ -87,6 +88,14 @@ static int demux_y4m_fill_buffer(demuxer_t *demux, demux_stream_t *dsds) {
y4m_frame_info_t fi;
unsigned char *buf[3];
int err, size;
int nextc;
nextc = stream_read_char(demux->stream);
stream_skip(demux->stream, -1);
if (nextc == 'Y') {
read_streaminfo(demux);
demux->seekable = 0;
}
y4m_init_frame_info(&fi);
@ -136,15 +145,13 @@ static int demux_y4m_fill_buffer(demuxer_t *demux, demux_stream_t *dsds) {
return 1;
}
static demuxer_t* demux_open_y4m(demuxer_t* demuxer){
y4m_priv_t* priv = demuxer->priv;
static void read_streaminfo(demuxer_t *demuxer)
{
y4m_priv_t *priv = demuxer->priv;
sh_video_t *sh = demuxer->video->sh;
y4m_ratio_t ratio;
sh_video_t* sh=new_sh_video(demuxer,0);
int err;
priv->framenum = 0;
priv->si = malloc(sizeof(y4m_stream_info_t));
if (priv->is_older)
{
char buf[4];
@ -228,7 +235,6 @@ static demuxer_t* demux_open_y4m(demuxer_t* demuxer){
sh->format = mmioFOURCC('Y', 'V', '1', '2');
sh->bih=calloc(1, sizeof(BITMAPINFOHEADER));
sh->bih->biSize=40;
sh->bih->biWidth = sh->disp_w;
sh->bih->biHeight = sh->disp_h;
@ -237,14 +243,25 @@ static demuxer_t* demux_open_y4m(demuxer_t* demuxer){
sh->bih->biCompression=sh->format;
sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight*3/2; /* YV12 */
mp_msg(MSGT_DEMUX, MSGL_INFO, "YUV4MPEG2 Video stream %d size: display: %dx%d, codec: %ux%u\n",
demuxer->video->id, sh->disp_w, sh->disp_h, sh->bih->biWidth,
sh->bih->biHeight);
}
static demuxer_t* demux_open_y4m(demuxer_t* demuxer){
y4m_priv_t* priv = demuxer->priv;
sh_video_t* sh=new_sh_video(demuxer,0);
priv->framenum = 0;
priv->si = malloc(sizeof(y4m_stream_info_t));
sh->bih=calloc(1, sizeof(BITMAPINFOHEADER));
demuxer->video->sh=sh;
sh->ds=demuxer->video;
demuxer->video->id=0;
mp_msg(MSGT_DEMUX, MSGL_INFO, "YUV4MPEG2 Video stream %d size: display: %dx%d, codec: %ux%u\n",
demuxer->video->id, sh->disp_w, sh->disp_h, sh->bih->biWidth,
sh->bih->biHeight);
read_streaminfo(demuxer);
return demuxer;
}