[FFmpeg-trac] #5941(undetermined:new): Dolby E corrupted when remuxed

[FFmpeg]

#5941: Dolby E corrupted when remuxed
-------------------------------------+-------------------------------------
             Reporter:  leoenc       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 Feel free to test the following small patches (independently and both) but
 afaict, your wav file is invalid (it has no waveformatex header although
 bpp>16) and this ticket is therefore unlikely to get fixed in FFmpeg
 (unless one of the changes is sufficient).
 {{{
 diff --git a/libavformat/wavenc.c b/libavformat/wavenc.c
 index a21d4c5..fa5f010 100644
 --- a/libavformat/wavenc.c
 +++ b/libavformat/wavenc.c
 @@ -365,7 +365,7 @@ static int wav_write_header(AVFormatContext *s)

      if (wav->write_peak != 2) {
          /* info header */
 -        ff_riff_write_info(s);
 +//        ff_riff_write_info(s);

          /* data header */
          wav->data = ff_start_tag(pb, "data");
 }}}
 {{{
 diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c
 index c96329d..91b2fa7 100644
 --- a/libavformat/riffenc.c
 +++ b/libavformat/riffenc.c
 @@ -76,6 +76,7 @@ int ff_put_wav_header(AVFormatContext *s, AVIOContext
 *pb,
                             par->sample_rate > 48000 ||
                             par->codec_id == AV_CODEC_ID_EAC3 ||
                             av_get_bits_per_sample(par->codec_id) > 16;
 +waveformatextensible=0;

      if (waveformatextensible)
          avio_wl16(pb, 0xfffe);
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5941#comment:13>
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