diff options
Diffstat (limited to 'libav/wav.c')
| -rw-r--r-- | libav/wav.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libav/wav.c b/libav/wav.c index d92b20c5e8..6fcd4d7077 100644 --- a/libav/wav.c +++ b/libav/wav.c @@ -31,9 +31,11 @@ CodecTag codec_wav_tags[] = { }; /* WAVEFORMATEX header */ +/* returns the size or -1 on error */ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) { int tag, bps, blkalign, bytespersec; + int hdrsize = 18; tag = codec_get_tag(codec_wav_tags, enc->codec_id); if (tag == 0) @@ -67,6 +69,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) put_le16(pb, bps); /* bits per sample */ if (enc->codec_id == CODEC_ID_MP3LAME) { put_le16(pb, 12); /* wav_extra_size */ + hdrsize += 12; put_le16(pb, 1); /* wID */ put_le32(pb, 2); /* fdwFlags */ put_le16(pb, 1152); /* nBlockSize */ @@ -74,6 +77,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) put_le16(pb, 1393); /* nCodecDelay */ } else if (enc->codec_id == CODEC_ID_MP2) { put_le16(pb, 22); /* wav_extra_size */ + hdrsize += 22; put_le16(pb, 2); /* fwHeadLayer */ put_le32(pb, enc->bit_rate); /* dwHeadBitrate */ put_le16(pb, enc->channels == 2 ? 1 : 8); /* fwHeadMode */ @@ -85,7 +89,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) } else put_le16(pb, 0); /* wav_extra_size */ - return 0; + return hdrsize; } int wav_codec_get_id(unsigned int tag, int bps) |