Commit c5e33115 authored by Allan Sandfeld Jensen's avatar Allan Sandfeld Jensen Committed by Guillaume Poirier
Browse files

add support for information in CDXA format

patch by Allan Sandfeld Jensen % kde A carewolf P com %
Original thread:
Date: Aug 18, 2006 6:33 PM
Subject: [Ffmpeg-devel] CDXA in libavformat [patch]

Originally committed as revision 6124 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 9dc5607b
......@@ -1260,6 +1260,20 @@ static int mpeg_mux_end(AVFormatContext *ctx)
#define MAX_SYNC_SIZE 100000
static int cdxa_probe(AVProbeData *p)
{
/* check file header */
if (p->buf_size <= 32)
return 0;
if (p->buf[0] == 'R' && p->buf[1] == 'I' &&
p->buf[2] == 'F' && p->buf[3] == 'F' &&
p->buf[8] == 'C' && p->buf[9] == 'D' &&
p->buf[10] == 'X' && p->buf[11] == 'A')
return AVPROBE_SCORE_MAX;
else
return 0;
}
static int mpegps_probe(AVProbeData *p)
{
uint32_t code= -1;
......@@ -1267,6 +1281,10 @@ static int mpegps_probe(AVProbeData *p)
int i;
int score=0;
score = cdxa_probe(p);
if (score > 0) return score;
/* Search for MPEG stream */
for(i=0; i<p->buf_size; i++){
code = (code<<8) + p->buf[i];
if ((code & 0xffffff00) == 0x100) {
......
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