-target dvd minimum vobu length patch by ("Chris" [chris garveycocker com])

Originally committed as revision 3953 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Chriss 2005-02-09 03:00:50 +00:00 committed by Michael Niedermayer
parent cb43c0e10d
commit 7be806f31b

View File

@ -47,6 +47,7 @@ typedef struct {
int lpcm_align;
uint8_t *fifo_iframe_ptr;
int align_iframe;
int64_t vobu_start_pts;
} StreamInfo;
typedef struct {
@ -1176,9 +1177,10 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt)
fifo_realloc(&stream->fifo, fifo_size(&stream->fifo, NULL) + size + 1);
if (s->is_dvd){
if (is_iframe) {
if (is_iframe && (s->packet_number == 0 || (pts - stream->vobu_start_pts >= 36000))) { // min VOBU length 0.4 seconds (mpucoder)
stream->fifo_iframe_ptr = stream->fifo.wptr;
stream->align_iframe = 1;
stream->vobu_start_pts = pts;
} else {
stream->align_iframe = 0;
}