avcodec: properly initialize AVCodecParameters profile/level

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

libavcodec/utils.c

@@ -3716,6 +3716,8 @@ static void codec_parameters_reset(AVCodecParameters *par)
     par->color_space         = AVCOL_SPC_UNSPECIFIED;
     par->chroma_location     = AVCHROMA_LOC_UNSPECIFIED;
     par->sample_aspect_ratio = (AVRational){ 0, 1 };
+    par->profile             = FF_PROFILE_UNKNOWN;
+    par->level               = FF_LEVEL_UNKNOWN;
 }
 
 AVCodecParameters *avcodec_parameters_alloc(void)