[FFmpeg-devel] [PATCH 4/4] avformat/mpegenc - reject unsupported audio streams

[Gyan Doshi]

From 800aa096357c5dfa822157f349a0f0d23fea8c84 Mon Sep 17 00:00:00 2001
From: Gyan Doshi <gyandoshi at gmail.com>
Date: Mon, 29 Jan 2018 12:26:00 +0530
Subject: [PATCH 4/4] 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 7a79b614ec..f3005d9518 100644
--- a/libavformat/mpegenc.c
+++ b/libavformat/mpegenc.c
@@ -388,6 +388,10 @@ 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");
+                       return AVERROR(EINVAL);
             } else {
                 stream->id = mpa_id++;
             }
-- 
2.11.1.windows.1