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| author | Paul B Mahol <onemda@gmail.com> | 2012-10-25 23:33:34 +0000 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2012-10-26 03:12:45 +0000 |
| commit | 7fe6f6e2b10fe278fecea850fda1d8e321330c15 (patch) | |
| tree | 36d79b3bd83a4eb5d01bbf76f34dca413792876f /libavformat/cafenc.c | |
| parent | 507f2940ccdcedf2fdc064c5fb6022b60bace8ca (diff) | |
| download | ffmpeg-7fe6f6e2b10fe278fecea850fda1d8e321330c15.tar.gz | |
caf muxer: write metadata
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavformat/cafenc.c')
| -rw-r--r-- | libavformat/cafenc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavformat/cafenc.c b/libavformat/cafenc.c index dc222cd50d..cc39a8341c 100644 --- a/libavformat/cafenc.c +++ b/libavformat/cafenc.c @@ -25,6 +25,7 @@ #include "isom.h" #include "avio_internal.h" #include "libavutil/intfloat.h" +#include "libavutil/dict.h" typedef struct { int64_t data; @@ -102,7 +103,9 @@ static int caf_write_header(AVFormatContext *s) AVIOContext *pb = s->pb; AVCodecContext *enc = s->streams[0]->codec; CAFContext *caf = s->priv_data; + AVDictionaryEntry *t = NULL; unsigned int codec_tag = ff_codec_get_tag(ff_codec_caf_tags, enc->codec_id); + int64_t chunk_size = 0; switch (enc->codec_id) { case AV_CODEC_ID_AAC: @@ -180,6 +183,20 @@ static int caf_write_header(AVFormatContext *s) avio_write(pb, enc->extradata, enc->extradata_size); } + if (av_dict_count(s->metadata)) { + ffio_wfourcc(pb, "info"); //< Information chunk + while ((t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX))) { + chunk_size += strlen(t->key) + strlen(t->value) + 2; + } + avio_wb64(pb, chunk_size + 4); + avio_wb32(pb, av_dict_count(s->metadata)); + t = NULL; + while ((t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX))) { + avio_put_str(pb, t->key); + avio_put_str(pb, t->value); + } + } + ffio_wfourcc(pb, "data"); //< Audio Data chunk caf->data = avio_tell(pb); avio_wb64(pb, -1); //< mChunkSize |