diff options
Diffstat (limited to 'libavformat/riffenc.c')
| -rw-r--r-- | libavformat/riffenc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c index 6c91cb693a..8701358e51 100644 --- a/libavformat/riffenc.c +++ b/libavformat/riffenc.c @@ -51,7 +51,7 @@ void ff_end_tag(AVIOContext *pb, int64_t start) /* WAVEFORMATEX header */ /* returns the size or -1 on error */ -int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc) +int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc, int flags) { int bps, blkalign, bytespersec, frame_size; int hdrsize; @@ -189,9 +189,12 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc) avio_wl32(pb, 0xAA000080); avio_wl32(pb, 0x719B3800); } - } else { + } else if ((flags & FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX) || + enc->codec_tag != 0x0001 /* PCM */ || + riff_extradata - riff_extradata_start) { + /* WAVEFORMATEX */ avio_wl16(pb, riff_extradata - riff_extradata_start); /* cbSize */ - } + } /* else PCMWAVEFORMAT */ avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start); hdrsize = avio_tell(pb) - hdrstart; if (hdrsize & 1) { |