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authorCarl Eugen Hoyos <cehoyos@ag.or.at>2011-08-22 09:35:58 +0200
committerCarl Eugen Hoyos <cehoyos@ag.or.at>2011-08-22 09:35:58 +0200
commit05a267305dd6c12ee1a9614b2aae539c3eab255e (patch)
tree56f4b02b1a81a2ea95bcda547d09d7979bf1b554
parentba571f6b4d15a998d6fde387509cd84177fccd96 (diff)
downloadffmpeg-05a267305dd6c12ee1a9614b2aae539c3eab255e.tar.gz
Support more codecs when muxing caf.
-rw-r--r--libavformat/cafenc.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/libavformat/cafenc.c b/libavformat/cafenc.c
index 80263e43cf..0dd4b349ca 100644
--- a/libavformat/cafenc.c
+++ b/libavformat/cafenc.c
@@ -107,9 +107,6 @@ static int caf_write_header(AVFormatContext *s)
switch (enc->codec_id) {
case CODEC_ID_AAC:
case CODEC_ID_AC3:
- case CODEC_ID_ALAC:
- case CODEC_ID_AMR_NB:
- case CODEC_ID_QDM2:
av_log(s, AV_LOG_ERROR, "muxing codec currently unsupported\n");
return AVERROR_PATCHWELCOME;
}
@@ -161,6 +158,28 @@ static int caf_write_header(AVFormatContext *s)
ff_mov_write_chan(pb, enc->channel_layout);
}
+ if (enc->codec_id == CODEC_ID_ALAC) {
+ ffio_wfourcc(pb, "kuki");
+ avio_wb64(pb, 12 + enc->extradata_size);
+ avio_write(pb, "\0\0\0\14frmaalac", 12);
+ avio_write(pb, enc->extradata, enc->extradata_size);
+ } else if (enc->codec_id == CODEC_ID_AMR_NB) {
+ ffio_wfourcc(pb, "kuki");
+ avio_wb64(pb, 29);
+ avio_write(pb, "\0\0\0\14frmasamr", 12);
+ avio_wb32(pb, 0x11); /* size */
+ avio_write(pb, "samrFFMP", 8);
+ avio_w8(pb, 0); /* decoder version */
+
+ avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
+ avio_w8(pb, 0x00); /* Mode change period (no restriction) */
+ avio_w8(pb, 0x01); /* Frames per sample */
+ } else if (enc->codec_id == CODEC_ID_QDM2) {
+ ffio_wfourcc(pb, "kuki");
+ avio_wb64(pb, enc->extradata_size);
+ avio_write(pb, enc->extradata, enc->extradata_size);
+ }
+
ffio_wfourcc(pb, "data"); //< Audio Data chunk
caf->data = avio_tell(pb);
avio_wb64(pb, -1); //< mChunkSize