Merge remote-tracking branch 'qatar/master'

* qatar/master:
  avcodec: av_log_missing_feature(1) ---> avpriv_request_sample()

Conflicts:
	libavcodec/aacsbr.c
	libavcodec/amrnbdec.c
	libavcodec/takdec.c
	libavcodec/tta.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/mimic.c

@@ -392,7 +392,7 @@ static int mimic_decode_frame(AVCodecContext *avctx, void *data,
             ctx->num_hblocks[i] =     width   >> (3 + !!i);
         }
     } else if (width != ctx->avctx->width || height != ctx->avctx->height) {
-        av_log_missing_feature(avctx, "resolution changing", 1);
+        avpriv_request_sample(avctx, "Resolution changing");
         return AVERROR_PATCHWELCOME;
     }