Merge remote-tracking branch 'qatar/master'

* qatar/master:
  swscale: Fix stack alignment for SSE
  avcodec: move some AVCodecContext fields to an internal struct.
  avcodec: use av_opt_set() instead of deprecated av_set_string3()
  avcodec: fix some const warnings
  avcodec: remove pointless AVOption, internal_buffer_count
  imgutils: Fix illegal read.

Conflicts:
	doc/APIchanges
	libavcodec/avcodec.h
	libavcodec/version.h

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

1 files changed, 21 insertions, 3 deletions

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 41faaa28e0..dfd396c180 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1214,6 +1214,8 @@ typedef struct AVFrame {
 
 } AVFrame;
 
+struct AVCodecInternal;
+
 /**
  * main external API structure.
  * New fields can be added to the end with minor version bumps.
@@ -2041,17 +2043,21 @@ typedef struct AVCodecContext {
      */
     int color_table_id;
 
+#if FF_API_INTERNAL_CONTEXT
     /**
      * internal_buffer count
      * Don't touch, used by libavcodec default_get_buffer().
+     * @deprecated this field was moved to an internal context
      */
-    int internal_buffer_count;
+    attribute_deprecated int internal_buffer_count;
 
     /**
      * internal_buffers
      * Don't touch, used by libavcodec default_get_buffer().
+     * @deprecated this field was moved to an internal context
      */
-    void *internal_buffer;
+    attribute_deprecated void *internal_buffer;
+#endif
 
     /**
      * Global quality for codecs which cannot change it per frame.
@@ -2937,14 +2943,18 @@ typedef struct AVCodecContext {
      */
     AVPacket *pkt;
 
+#if FF_API_INTERNAL_CONTEXT
     /**
      * Whether this is a copy of the context which had init() called on it.
      * This is used by multithreading - shared tables and picture pointers
      * should be freed from the original context only.
      * - encoding: Set by libavcodec.
      * - decoding: Set by libavcodec.
+     *
+     * @deprecated this field has been moved to an internal context
      */
-    int is_copy;
+    attribute_deprecated int is_copy;
+#endif
 
     /**
      * Which multithreading methods to use.
@@ -3014,6 +3024,14 @@ typedef struct AVCodecContext {
 #define AV_EF_AGGRESSIVE (1<<18)
 
     /**
+     * Private context used for internal data.
+     *
+     * Unlike priv_data, this is not codec-specific. It is used in general
+     * libavcodec functions.
+     */
+    struct AVCodecInternal *internal;
+
+    /**
      * Current statistics for PTS correction.
      * - decoding: maintained and used by libavcodec, not intended to be used by user apps
      * - encoding: unused