diff options
| -rw-r--r-- | libavformat/flvenc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c index ff6d14a248..37f37773a0 100644 --- a/libavformat/flvenc.c +++ b/libavformat/flvenc.c @@ -208,6 +208,11 @@ static int flv_write_header(AVFormatContext *s) } else { framerate = 1 / av_q2d(s->streams[i]->codec->time_base); } + if (video_enc) { + av_log(s, AV_LOG_ERROR, + "at most one video stream is supported in flv\n"); + return AVERROR(EINVAL); + } video_enc = enc; if (enc->codec_tag == 0) { av_log(s, AV_LOG_ERROR, "video codec not compatible with flv\n"); @@ -215,6 +220,11 @@ static int flv_write_header(AVFormatContext *s) } break; case AVMEDIA_TYPE_AUDIO: + if (audio_enc) { + av_log(s, AV_LOG_ERROR, + "at most one audio stream is supported in flv\n"); + return AVERROR(EINVAL); + } audio_enc = enc; if (get_audio_flags(s, enc) < 0) return AVERROR_INVALIDDATA; |