Merge commit '142e76f1055de5dde44696e71a5f63f2cb11dedf'

* commit '142e76f1055de5dde44696e71a5f63f2cb11dedf':
  swscale: fix crash with dithering due incorrect offset calculation.
  matroskadec: fix stupid typo (!= -> ==)
  build: remove duplicates from order-only directory prerequisite list
  build: rework rules for things in the tools dir
  configure: fix --cpu=host with gcc 4.6
  ARM: use const macro to define constant data in asm
  bitdepth: simplify FUNC/FUNCC macros
  dsputil: remove ff_emulated_edge_mc macro used in one place
  9/10-bit: simplify clipping macros
  matroskadec: reindent
  matroskadec: defer parsing of cues element until we seek.
  lavc: add support for codec-specific defaults.
  lavc: make avcodec_alloc_context3 officially public.
  lavc: remove a half-working attempt at different defaults for audio/video codecs.
  ac3dec: add a drc_scale private option
  lavf: add avformat_find_stream_info()
  lavc: introduce avcodec_open2() as a replacement for avcodec_open().

Conflicts:
	Makefile
	libavcodec/utils.c
	libavformat/avformat.h
	libswscale/swscale_internal.h

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

1 files changed, 23 insertions, 1 deletions

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 0c84965883..356e21f541 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -32,6 +32,7 @@
 #include "libavutil/audioconvert.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/samplefmt.h"
+#include "libavutil/dict.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "libavutil/opt.h"
@@ -485,9 +486,20 @@ static void avcodec_get_subtitle_defaults(AVSubtitle *sub)
     sub->pts = AV_NOPTS_VALUE;
 }
 
+#if FF_API_AVCODEC_OPEN
 int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
 {
+    return avcodec_open2(avctx, codec, NULL);
+}
+#endif
+
+int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
+{
     int ret = 0;
+    AVDictionary *tmp = NULL;
+
+    if (options)
+        av_dict_copy(&tmp, *options, 0);
 
     /* If there is a user-supplied mutex locking routine, call it. */
     if (ff_lockmgr_cb) {
@@ -514,14 +526,18 @@ int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
             ret = AVERROR(ENOMEM);
             goto end;
         }
-        if(codec->priv_class){ //this can be droped once all user apps use   avcodec_get_context_defaults3()
+        if (codec->priv_class) {
             *(AVClass**)avctx->priv_data= codec->priv_class;
             av_opt_set_defaults(avctx->priv_data);
         }
       }
+      if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, &tmp) < 0))
+          goto free_and_end;
     } else {
         avctx->priv_data = NULL;
     }
+    if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
+        goto free_and_end;
 
     if(avctx->coded_width && avctx->coded_height)
         avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
@@ -640,8 +656,14 @@ end:
     if (ff_lockmgr_cb) {
         (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
     }
+    if (options) {
+        av_dict_free(options);
+        *options = tmp;
+    }
+
     return ret;
 free_and_end:
+    av_dict_free(&tmp);
     av_freep(&avctx->priv_data);
     avctx->codec= NULL;
     goto end;