Fix crash when codec not yet opened (or just closed?)

diff --git a/src/modules/avformat/producer_avformat.c b/src/modules/avformat/producer_avformat.c
index 2287301cd3c182bc8facc0fd4c8bc04f8a180eca..f80c7d7e1f6839ddb4f0385054c7c60266aa0cac 100644 (file)
--- a/src/modules/avformat/producer_avformat.c
+++ b/src/modules/avformat/producer_avformat.c
@@ -1316,11 +1316,12 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form
 
        // Determines if we have to decode all frames in a sequence
        // Temporary hack to improve intra frame only
-       int must_decode = strcmp( codec_context->codec->name, "dnxhd" ) &&
+       int must_decode = !( codec_context->codec && codec_context->codec->name ) || (
+                                 strcmp( codec_context->codec->name, "dnxhd" ) &&
                                  strcmp( codec_context->codec->name, "dvvideo" ) &&
                                  strcmp( codec_context->codec->name, "huffyuv" ) &&
                                  strcmp( codec_context->codec->name, "mjpeg" ) &&
-                                 strcmp( codec_context->codec->name, "rawvideo" );
+                                 strcmp( codec_context->codec->name, "rawvideo" ) );
 
        // Turn on usage of new seek API and PTS for seeking
        int use_new_seek = self->seekable &&