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| author | Marton Balint <cus@passwd.hu> | 2019-08-24 01:39:33 +0200 |
|---|---|---|
| committer | Marton Balint <cus@passwd.hu> | 2019-09-02 22:06:00 +0200 |
| commit | b4e910370992d4e40af1f62ec0a6a59867dac2ed (patch) | |
| tree | 436c115bfd5332030488b42905579103160828b4 | |
| parent | 3a17fe2bdd57294edda378693ff45f19cbdaf0ed (diff) | |
| download | ffmpeg-b4e910370992d4e40af1f62ec0a6a59867dac2ed.tar.gz | |
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>
(cherry picked from commit 2e31774b409d77f046f166fb3ff630a9ef91def7)
| -rw-r--r-- | libavformat/avidec.c | 3 | ||||
| -rw-r--r-- | libavformat/riff.c | 5 | ||||
| -rw-r--r-- | libavformat/riff.h | 2 |
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 e755ad8d5f..52b0bf8f03 100644 --- a/libavformat/riff.c +++ b/libavformat/riff.c @@ -491,6 +491,11 @@ 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); |