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authorCarl Eugen Hoyos <cehoyos@ag.or.at>2015-10-02 03:15:04 +0200
committerCarl Eugen Hoyos <cehoyos@ag.or.at>2015-10-02 03:15:04 +0200
commitda767f06f50f352c8b5d41fa73b99c65f525dfb5 (patch)
tree9bd4c2adf3fa9608699cf03663e05bb13d8d42b9 /libavformat/rawdec.c
parent94d50b5d00ced1d341cf8bfd3f318ebec76dbdea (diff)
lavf/rawdec: Autodetect raw TrueHD streams.
Diffstat (limited to 'libavformat/rawdec.c')
-rw-r--r--libavformat/rawdec.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/libavformat/rawdec.c b/libavformat/rawdec.c
index 56ac1997ce..ef84d37a5a 100644
--- a/libavformat/rawdec.c
+++ b/libavformat/rawdec.c
@@ -206,14 +206,14 @@ static int mjpeg_probe(AVProbeData *p)
FF_DEF_RAWVIDEO_DEMUXER2(mjpeg, "raw MJPEG video", mjpeg_probe, "mjpg,mjpeg,mpo", AV_CODEC_ID_MJPEG, AVFMT_GENERIC_INDEX|AVFMT_NOTIMESTAMPS)
#endif
-#if CONFIG_MLP_DEMUXER
-static int mlp_probe(AVProbeData *p)
+#if CONFIG_MLP_DEMUXER || CONFIG_TRUEHD_DEMUXER
+static int av_always_inline mlp_thd_probe(AVProbeData *p, uint32_t sync)
{
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) {
+ if (AV_RB32(buf + 4) == sync) {
frames++;
if (last_buf + size == buf) {
valid++;
@@ -228,6 +228,13 @@ static int mlp_probe(AVProbeData *p)
return AVPROBE_SCORE_MAX;
return 0;
}
+#endif
+
+#if CONFIG_MLP_DEMUXER
+static int mlp_probe(AVProbeData *p)
+{
+ return mlp_thd_probe(p, 0xf8726fbb);
+}
AVInputFormat ff_mlp_demuxer = {
.name = "mlp",
@@ -242,9 +249,15 @@ AVInputFormat ff_mlp_demuxer = {
#endif
#if CONFIG_TRUEHD_DEMUXER
+static int thd_probe(AVProbeData *p)
+{
+ return mlp_thd_probe(p, 0xf8726fba);
+}
+
AVInputFormat ff_truehd_demuxer = {
.name = "truehd",
.long_name = NULL_IF_CONFIG_SMALL("raw TrueHD"),
+ .read_probe = thd_probe,
.read_header = ff_raw_audio_read_header,
.read_packet = ff_raw_read_partial_packet,
.flags = AVFMT_GENERIC_INDEX | AVFMT_NOTIMESTAMPS,