diff options
Diffstat (limited to 'libavformat/cdg.c')
| -rw-r--r-- | libavformat/cdg.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavformat/cdg.c b/libavformat/cdg.c index 75f1fb24c9..444c1fa27a 100644 --- a/libavformat/cdg.c +++ b/libavformat/cdg.c @@ -22,6 +22,8 @@ #include "avformat.h" #define CDG_PACKET_SIZE 24 +#define CDG_COMMAND 0x09 +#define CDG_MASK 0x3F static int read_header(AVFormatContext *s, AVFormatParameters *ap) { @@ -49,7 +51,12 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt) { int ret; - ret = av_get_packet(s->pb, pkt, CDG_PACKET_SIZE); + while (1) { + ret = av_get_packet(s->pb, pkt, CDG_PACKET_SIZE); + if (ret < 1 || (pkt->data[0] & CDG_MASK) == CDG_COMMAND) + break; + av_free_packet(pkt); + } pkt->stream_index = 0; pkt->dts=pkt->pts= s->streams[0]->cur_dts; |