diff options
| -rw-r--r-- | libavformat/swfenc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavformat/swfenc.c b/libavformat/swfenc.c index 9de8b679d7..31f405d5cd 100644 --- a/libavformat/swfenc.c +++ b/libavformat/swfenc.c @@ -186,6 +186,10 @@ static int swf_write_header(AVFormatContext *s) for(i=0;i<s->nb_streams;i++) { AVCodecContext *enc = s->streams[i]->codec; if (enc->codec_type == AVMEDIA_TYPE_AUDIO) { + if (swf->audio_enc) { + av_log(s, AV_LOG_ERROR, "SWF muxer only supports 1 audio stream\n"); + return AVERROR_INVALIDDATA; + } if (enc->codec_id == AV_CODEC_ID_MP3) { swf->audio_enc = enc; swf->audio_fifo= av_fifo_alloc(AUDIO_FIFO_SIZE); @@ -196,6 +200,10 @@ static int swf_write_header(AVFormatContext *s) return -1; } } else { + if (swf->video_enc) { + av_log(s, AV_LOG_ERROR, "SWF muxer only supports 1 video stream\n"); + return AVERROR_INVALIDDATA; + } if (enc->codec_id == AV_CODEC_ID_VP6F || enc->codec_id == AV_CODEC_ID_FLV1 || enc->codec_id == AV_CODEC_ID_MJPEG) { |