Fixes 11480 : allow to force the video codec used to read videos

with the ffmpeg backend
2018-05-08 15:02:01 +02:00
parent 107b3f328b
commit ba000bf8ea
1 changed files with 6 additions and 1 deletions
@@ -870,7 +870,12 @@ bool CvCapture_FFMPEG::open( const char* _filename )
            int enc_width = enc->width;
            int enc_height = enc->height;

-            AVCodec *codec = avcodec_find_decoder(enc->codec_id);
+            AVCodec *codec;
+            if(av_dict_get(dict, "video_codec", NULL, 0) == NULL) {
+                codec = avcodec_find_decoder(enc->codec_id);
+            } else {
+                codec = avcodec_find_decoder_by_name(av_dict_get(dict, "video_codec", NULL, 0)->value);
+            }
            if (!codec ||
 #if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
                avcodec_open2(enc, codec, NULL)