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

Gyan ffmpeg at gyani.pro
Sat Apr 20 12:31:30 EEST 2019


Old patch that was never applied. Rebased.

Gyan
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From 80c0524adf53c95801afcf9b92b0baa519bf983e 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] avformat/mpegenc - reject unsupported audio streams

Only MP1, MP2, MP3, 16-bit PCM_DVD, PCM S16BE,
AC3 and DTS audio codecs are supported by the muxer.
---
 libavformat/mpegenc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c
index 1389288b7f..ed54a4f79b 100644
--- a/libavformat/mpegenc.c
+++ b/libavformat/mpegenc.c
@@ -407,6 +407,11 @@ static av_cold int mpeg_mux_init(AVFormatContext *ctx)
                 stream->lpcm_header[2] = 0x80;
                 stream->id = lpcm_id++;
                 stream->lpcm_align = st->codecpar->channels * st->codecpar->bits_per_coded_sample / 8;
+            } else if (st->codecpar->codec_id != AV_CODEC_ID_MP1 &&
+                       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 mp1, mp2, mp3, 16-bit pcm_dvd, pcm_s16be, ac3 or dts.\n");
+                       goto fail;
             } else {
                 stream->id = mpa_id++;
             }
-- 
2.21.0


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