avcodec/arbc: Skip unchanged frames

[ffmpeg] / libavcodec / h263dec.c

diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 5967fca2858ab4755e83e6f3f176774233f229e6..8385ddfe2e215b247045cfa92cfe86fa0be81e72 100644 (file)
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -47,10 +47,9 @@
 
 static enum AVPixelFormat h263_get_format(AVCodecContext *avctx)
 {
-    MpegEncContext *s = avctx->priv_data;
     /* MPEG-4 Studio Profile only, not supported by hardware */
     if (avctx->bits_per_raw_sample > 8) {
-        av_assert1(s->studio_profile);
+        av_assert1(((MpegEncContext *)avctx->priv_data)->studio_profile);
         return avctx->pix_fmt;
     }
 
@@ -501,9 +500,9 @@ retry:
             GetBitContext gb;
 
             if (init_get_bits8(&gb, s->avctx->extradata, s->avctx->extradata_size) >= 0 )
-                ff_mpeg4_decode_picture_header(avctx->priv_data, &gb);
+                ff_mpeg4_decode_picture_header(avctx->priv_data, &gb, 1);
         }
-        ret = ff_mpeg4_decode_picture_header(avctx->priv_data, &s->gb);
+        ret = ff_mpeg4_decode_picture_header(avctx->priv_data, &s->gb, 0);
     } else if (CONFIG_H263I_DECODER && s->codec_id == AV_CODEC_ID_H263I) {
         ret = ff_intel_h263_decode_picture_header(s);
     } else if (CONFIG_FLV_DECODER && s->h263_flv) {