[FFmpeg-devel] [PATCH 2/2] avformat/mpegenc - reject unsupported audio streams

Michael Niedermayer michael at niedermayer.cc
Wed Feb 21 21:38:25 EET 2018


On Tue, Feb 20, 2018 at 08:47:47PM +0530, Gyan Doshi wrote:
>  mpegenc.c |    4 ++++
>  1 file changed, 4 insertions(+)
> 15777746f15d202546d69494e49a1a90a7668be9  0002-avformat-mpegenc-reject-unsupported-audio-streams.patch
> From f0aabc7b9f959dc94084fb6d9b644104fc203566 Mon Sep 17 00:00:00 2001
> From: Gyan Doshi <gyandoshi at gmail.com>
> Date: Tue, 20 Feb 2018 20:42:21 +0530
> Subject: [PATCH 2/2] avformat/mpegenc - reject unsupported audio streams
> 
> Only MP2, MP3, PCM S16BE, AC3 and DTS audio codecs
> are supported by the muxer.
> ---
>  libavformat/mpegenc.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c
> index 4c6fa67fb8..59e3f8c83f 100644
> --- a/libavformat/mpegenc.c
> +++ b/libavformat/mpegenc.c
> @@ -392,6 +392,10 @@ static av_cold int mpeg_mux_init(AVFormatContext *ctx)
>                  stream->lpcm_header[1] = (st->codecpar->channels - 1) | (j << 4);
>                  stream->lpcm_header[2] = 0x80;
>                  stream->lpcm_align     = st->codecpar->channels * 2;
> +            } else if (st->codecpar->codec_id != AV_CODEC_ID_MP2 &&
> +                       st->codecpar->codec_id != AV_CODEC_ID_MP3) {
> +                       av_log(ctx, AV_LOG_ERROR, "Unsupported audio codec. Must be one of mp2, mp3, pcm_s16be, ac3 or dts.\n");
> +                       goto fail;

this looks like its missing AV_CODEC_ID_MP1 at least

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety -- Benjamin Franklin
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