isom: add Radius DV YUV FourCCs

[ffmpeg] / libavformat / swfenc.c

diff --git a/libavformat/swfenc.c b/libavformat/swfenc.c
index 9de8b679d7d68aee91e543994e00b9653bd6bf2c..be2e5cd7d3d5c74ff2b92bfaa23cde08bbbd0a9d 100644 (file)
--- 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) {
@@ -221,7 +229,7 @@ static int swf_write_header(AVFormatContext *s)
     }
 
     if (!swf->audio_enc)
-        swf->samples_per_frame = (44100. * rate_base) / rate;
+        swf->samples_per_frame = (44100.0 * rate_base) / rate;
     else
         swf->samples_per_frame = (swf->audio_enc->sample_rate * rate_base) / rate;
 
@@ -428,8 +436,6 @@ static int swf_write_video(AVFormatContext *s,
     put_swf_tag(s, TAG_SHOWFRAME);
     put_swf_end_tag(s);
 
-    avio_flush(s->pb);
-
     return 0;
 }