diff options
Diffstat (limited to 'common/av_common.c')
| -rw-r--r-- | common/av_common.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/common/av_common.c b/common/av_common.c index 3ea1ceb872..bd82d75be8 100644 --- a/common/av_common.c +++ b/common/av_common.c @@ -80,12 +80,23 @@ AVCodecParameters *mp_codec_params_to_av(struct mp_codec_params *c) avp->codec_id = mp_codec_to_av_codec_id(c->codec); avp->codec_tag = c->codec_tag; if (c->extradata_size) { - avp->extradata = - av_mallocz(c->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); + uint8_t *extradata = c->extradata; + int size = c->extradata_size; + + if (avp->codec_id == AV_CODEC_ID_FLAC) { + // ffmpeg expects FLAC extradata to be just the STREAMINFO, + // so grab only that (and assume it'll be the first block) + if (size >= 8 && !memcmp(c->extradata, "fLaC", 4)) { + extradata += 8; + size = MPMIN(34, size - 8); // FLAC_STREAMINFO_SIZE + } + } + + avp->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE); if (!avp->extradata) goto error; - avp->extradata_size = c->extradata_size; - memcpy(avp->extradata, c->extradata, avp->extradata_size); + avp->extradata_size = size; + memcpy(avp->extradata, extradata, size); } avp->bits_per_coded_sample = c->bits_per_coded_sample; @@ -270,7 +281,7 @@ int mp_codec_to_av_codec_id(const char *codec) if (desc) id = desc->id; if (id == AV_CODEC_ID_NONE) { - AVCodec *avcodec = avcodec_find_decoder_by_name(codec); + const AVCodec *avcodec = avcodec_find_decoder_by_name(codec); if (avcodec) id = avcodec->id; } @@ -285,13 +296,20 @@ const char *mp_codec_from_av_codec_id(int codec_id) if (desc) name = desc->name; if (!name) { - AVCodec *avcodec = avcodec_find_decoder(codec_id); + const AVCodec *avcodec = avcodec_find_decoder(codec_id); if (avcodec) name = avcodec->name; } return name; } +bool mp_codec_is_lossless(const char *codec) +{ + const AVCodecDescriptor *desc = + avcodec_descriptor_get(mp_codec_to_av_codec_id(codec)); + return desc && (desc->props & AV_CODEC_PROP_LOSSLESS); +} + // kv is in the format as by OPT_KEYVALUELIST(): kv[0]=key0, kv[1]=val0, ... // Copy them to the dict. void mp_set_avdict(AVDictionary **dict, char **kv) |