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lavf/rawdec: Autodetect raw mlp streams.

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This commit is contained in:
Carl Eugen Hoyos 2015-10-01 19:58:10 +02:00
parent 17710550c4
commit aea5db97f7
2 changed files with 24 additions and 1 deletions
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23
libavformat/rawdec.c
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@ -207,9 +207,32 @@ FF_DEF_RAWVIDEO_DEMUXER2(mjpeg, "raw MJPEG video", mjpeg_probe, "mjpg,mjpeg,mpo"
#endif
#if CONFIG_MLP_DEMUXER
static int mlp_probe(AVProbeData *p)
{
const uint8_t *buf, *last_buf = p->buf, *end = p->buf + p->buf_size;
int frames = 0, valid = 0, size = 0;
for (buf = p->buf; buf + 8 <= end; buf++) {
if (AV_RB32(buf + 4) == 0xf8726fbb) {
frames++;
if (last_buf + size == buf) {
valid++;
}
last_buf = buf;
size = (AV_RB16(buf) & 0xfff) * 2;
} else if (buf - last_buf == size) {
size += (AV_RB16(buf) & 0xfff) * 2;
}
}
if (valid >= 100)
return AVPROBE_SCORE_MAX;
return 0;
}
AVInputFormat ff_mlp_demuxer = {
.name = "mlp",
.long_name = NULL_IF_CONFIG_SMALL("raw MLP"),
.read_probe = mlp_probe,
.read_header = ff_raw_audio_read_header,
.read_packet = ff_raw_read_partial_packet,
.flags = AVFMT_GENERIC_INDEX | AVFMT_NOTIMESTAMPS,

2
libavformat/version.h
View File

@ -31,7 +31,7 @@
#define LIBAVFORMAT_VERSION_MAJOR 57
#define LIBAVFORMAT_VERSION_MINOR 2
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \