[Libav-user] How to transcode mp3 file to G.711 encoded wav file
wmk587 at yahoo.com
Mon Dec 6 17:39:50 EET 2021
If I change
pCodecCtx->sample_fmt = AV_SAMPLE_FMT_S16;
pCodecCtx->sample_fmt = AV_SAMPLE_FMT_U8;
Then I get the following error:
[pcm_mulaw @ 0x2d33450] Specified sample_fmt is not supported.
Any idea? Thanks
On Friday, December 3, 2021, 06:15:54 PM EST, Bob Kirnum <bkirnum at gmail.com> wrote:
G.711 is 8 bits, could be an issue. Also, not sure if you need to downsample to 8kHz manually or not.
> On Dec 3, 2021, at 5:36 PM, Robert Smith via Libav-user <libav-user at ffmpeg.org> wrote:
> pCodecCtx->sample_fmt = AV_SAMPLE_FMT_S16;
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