From: Rafaël Carré <[email protected]>

FLV does not support multiple audio or video streams.

Signed-off-by: Luca Barbato <[email protected]>
---

Now formatted and with some description, will push tonight.

 libavformat/flvenc.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c
index ff6d14a..37f3777 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;
--
1.8.1.5

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