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authorMarton Balint <cus@passwd.hu>2019-08-24 01:39:33 +0200
committerMarton Balint <cus@passwd.hu>2019-08-31 17:38:25 +0200
commit2e31774b409d77f046f166fb3ff630a9ef91def7 (patch)
treeb95e7a602e68333b47e286ea883da1192f51067e
parent765c56bfa9037060e36250090880b2961c88f27d (diff)
avformat/avidec: add support for recognizing HEVC fourcc when demuxing
Some security cams generate this, as well as some versions of VirtualDub and VLC so support for _reading_ such files is justified. Fixes ticket #7110. See also this discussion: https://patchwork.ffmpeg.org/patch/8744/ Signed-off-by: Marton Balint <cus@passwd.hu>
-rw-r--r--libavformat/avidec.c3
-rw-r--r--libavformat/riff.c5
-rw-r--r--libavformat/riff.h2
3 files changed, 10 insertions, 0 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 1d887b1cc9..df78925d55 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -815,6 +815,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
"mov tag found in avi (fourcc %s)\n",
av_fourcc2str(tag1));
}
+ if (!st->codecpar->codec_id)
+ st->codecpar->codec_id = ff_codec_get_id(ff_codec_bmp_tags_unofficial, tag1);
+
/* This is needed to get the pict type which is necessary
* for generating correct pts. */
st->need_parsing = AVSTREAM_PARSE_HEADERS;
diff --git a/libavformat/riff.c b/libavformat/riff.c
index 610974ebf0..f2c04f8d95 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -492,6 +492,11 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_NONE, 0 }
};
+const AVCodecTag ff_codec_bmp_tags_unofficial[] = {
+ { AV_CODEC_ID_HEVC, MKTAG('H', 'E', 'V', 'C') },
+ { AV_CODEC_ID_NONE, 0 }
+};
+
const AVCodecTag ff_codec_wav_tags[] = {
{ AV_CODEC_ID_PCM_S16LE, 0x0001 },
/* must come after s16le in this list */
diff --git a/libavformat/riff.h b/libavformat/riff.h
index 323aa38b4d..21078b77c8 100644
--- a/libavformat/riff.h
+++ b/libavformat/riff.h
@@ -73,6 +73,8 @@ int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *pa
extern const AVCodecTag ff_codec_bmp_tags[]; // exposed through avformat_get_riff_video_tags()
extern const AVCodecTag ff_codec_wav_tags[];
+extern const AVCodecTag ff_codec_bmp_tags_unofficial[];
+
void ff_parse_specific_params(AVStream *st, int *au_rate, int *au_ssize, int *au_scale);
int ff_read_riff_info(AVFormatContext *s, int64_t size);