int continue_pes;
} PVAContext;
+static int pva_check(uint8_t *p) {
+ int length = AV_RB16(p + 6);
+ if (AV_RB16(p) != PVA_MAGIC || !p[2] || p[2] > 2 || p[4] != 0x55 ||
+ (p[5] & 0xe0) || length > PVA_MAX_PAYLOAD_LENGTH)
+ return -1;
+ return length + 8;
+}
+
static int pva_probe(AVProbeData * pd) {
unsigned char *buf = pd->buf;
+ int len = pva_check(buf);
- if (AV_RB16(buf) == PVA_MAGIC && buf[2] && buf[2] < 3 && buf[4] == 0x55)
+ if (len < 0)
+ return 0;
+
+ if (pd->buf_size >= len + 8 &&
+ pva_check(buf + len) >= 0)
return AVPROBE_SCORE_MAX / 2;
- return 0;
+ return AVPROBE_SCORE_MAX / 4;
}
static int pva_read_header(AVFormatContext *s, AVFormatParameters *ap) {
AVStream *st;
- if (!(st = av_new_stream(s, 0)))
+ if (!(st = avformat_new_stream(s, NULL)))
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = CODEC_ID_MPEG2VIDEO;
av_set_pts_info(st, 32, 1, 90000);
av_add_index_entry(st, 0, 0, 0, 0, AVINDEX_KEYFRAME);
- if (!(st = av_new_stream(s, 1)))
+ if (!(st = avformat_new_stream(s, NULL)))
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_MP2;