Merge commit '581281e242609a222233a2e5538b89dfb88fb18e'

* commit '581281e242609a222233a2e5538b89dfb88fb18e':
  matroskadec: check realloc in lzo encoding
  matroska: honor error_recognition on unknown doctypes
  tiffdec: Add support for GRAY16LE.
  tiffenc: Add support for little endian RGB48 and GRAY16
  mpeg4: support frame parameter changes with frame-mt
  mpegvideo: check ff_find_unused_picture() return value for errors
  mpegvideo: release frame buffers before freeing them
  configure: msvc: default to 'lib' as 'ar' tool
  build: support some non-standard ar variants

Conflicts:
	libavcodec/h263dec.c
	libavcodec/mpegvideo.c
	libavcodec/tiff.c
	libavcodec/tiffenc.c

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

1 files changed, 13 insertions, 14 deletions

diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 6f7eede115..0b851578f0 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -462,15 +462,6 @@ retry:
     if (ret < 0){
         av_log(s->avctx, AV_LOG_ERROR, "header damaged\n");
         return ret;
-    } else if ((s->width  != avctx->coded_width  ||
-                s->height != avctx->coded_height ||
-                (s->width  + 15) >> 4 != s->mb_width ||
-                (s->height + 15) >> 4 != s->mb_height) &&
-               (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))) {
-        av_log_missing_feature(s->avctx, "Width/height/bit depth/chroma idc changing with threads is", 0);
-        s->width = avctx->coded_width;
-        s->height= avctx->coded_height;
-        return AVERROR_PATCHWELCOME;   // width / height changed during parallelized decoding
     }
 
     avctx->has_b_frames= !s->low_delay;
@@ -607,21 +598,29 @@ retry:
         /* FIXME: By the way H263 decoder is evolving it should have */
         /* an H263EncContext                                         */
 
-    if (   s->width  != avctx->coded_width
-        || s->height != avctx->coded_height) {
-        /* H.263 could change picture size any time */
+    if (!avctx->coded_width || !avctx->coded_height) {
         ParseContext pc= s->parse_context; //FIXME move these demuxng hack to avformat
 
         s->parse_context.buffer=0;
         ff_MPV_common_end(s);
         s->parse_context= pc;
-    }
-    if (!s->context_initialized) {
         avcodec_set_dimensions(avctx, s->width, s->height);
 
         goto retry;
     }
 
+    if (s->width  != avctx->coded_width  ||
+        s->height != avctx->coded_height ||
+        s->context_reinit) {
+        /* H.263 could change picture size any time */
+        s->context_reinit = 0;
+
+        avcodec_set_dimensions(avctx, s->width, s->height);
+
+        if ((ret = ff_MPV_common_frame_size_change(s)))
+            return ret;
+    }
+
     if((s->codec_id==AV_CODEC_ID_H263 || s->codec_id==AV_CODEC_ID_H263P || s->codec_id == AV_CODEC_ID_H263I))
         s->gob_index = ff_h263_get_gob_height(s);