X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Favcodec.h;h=5bff631a6a44234efbb6d310b50801a3740ab81e;hb=7538ad22483597ede7c5dad452896762277c3f4f;hp=94d4cf06eec5b2496f51eb382083a62ae11298bd;hpb=d7ade20adb71267572b12e11c5292e3363077ae2;p=ffmpeg

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 94d4cf06eec..5bff631a6a4 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1052,6 +1052,15 @@ enum AVPacketSideDataType {
      */
     AV_PKT_DATA_REPLAYGAIN,
 
+    /**
+     * This side data contains a 3x3 transformation matrix describing an affine
+     * transformation that needs to be applied to the decoded video frames for
+     * correct presentation.
+     *
+     * See libavutil/display.h for a detailed description of the data.
+     */
+    AV_PKT_DATA_DISPLAYMATRIX,
+
     /**
      * Recommmends skipping the specified number of samples
      * @code
@@ -2556,6 +2565,7 @@ typedef struct AVCodecContext {
     int error_concealment;
 #define FF_EC_GUESS_MVS   1
 #define FF_EC_DEBLOCK     2
+#define FF_EC_FAVOR_INTER 256
 
     /**
      * debug
@@ -3233,8 +3243,20 @@ typedef struct AVHWAccel {
      */
     int capabilities;
 
+    /*****************************************************************
+     * No fields below this line are part of the public API. They
+     * may not be used outside of libavcodec and can be changed and
+     * removed at will.
+     * New public fields should be added right above.
+     *****************************************************************
+     */
     struct AVHWAccel *next;
 
+    /**
+     * Allocate a custom buffer
+     */
+    int (*alloc_frame)(AVCodecContext *avctx, AVFrame *frame);
+
     /**
      * Called at the beginning of each frame or field picture.
      *
@@ -3277,13 +3299,13 @@ typedef struct AVHWAccel {
     int (*end_frame)(AVCodecContext *avctx);
 
     /**
-     * Size of HW accelerator private data.
+     * Size of per-frame hardware accelerator private data.
      *
      * Private data is allocated with av_mallocz() before
      * AVCodecContext.get_buffer() and deallocated after
      * AVCodecContext.release_buffer().
      */
-    int priv_data_size;
+    int frame_priv_data_size;
 
     /**
      * Called for every Macroblock in a slice.
@@ -3295,6 +3317,29 @@ typedef struct AVHWAccel {
      * @param s the mpeg context
      */
     void (*decode_mb)(struct MpegEncContext *s);
+
+    /**
+     * Initialize the hwaccel private data.
+     *
+     * This will be called from ff_get_format(), after hwaccel and
+     * hwaccel_context are set and the hwaccel private data in AVCodecInternal
+     * is allocated.
+     */
+    int (*init)(AVCodecContext *avctx);
+
+    /**
+     * Uninitialize the hwaccel private data.
+     *
+     * This will be called from get_format() or avcodec_close(), after hwaccel
+     * and hwaccel_context are already uninitialized.
+     */
+    int (*uninit)(AVCodecContext *avctx);
+
+    /**
+     * Size of the private data to allocate in
+     * AVCodecInternal.hwaccel_priv_data.
+     */
+    int priv_data_size;
 } AVHWAccel;
 
 /**
@@ -3419,9 +3464,8 @@ void avcodec_register(AVCodec *codec);
 void avcodec_register_all(void);
 
 /**
- * Allocate an AVCodecContext and set its fields to default values.  The
- * resulting struct can be deallocated by calling avcodec_close() on it followed
- * by av_free().
+ * Allocate an AVCodecContext and set its fields to default values. The
+ * resulting struct should be freed with avcodec_free_context().
  *
  * @param codec if non-NULL, allocate private data and initialize defaults
  *              for the given codec. It is illegal to then call avcodec_open2()
@@ -3435,6 +3479,12 @@ void avcodec_register_all(void);
  */
 AVCodecContext *avcodec_alloc_context3(const AVCodec *codec);
 
+/**
+ * Free the codec context and everything associated with it and write NULL to
+ * the provided pointer.
+ */
+void avcodec_free_context(AVCodecContext **avctx);
+
 /**
  * Set the fields of the given AVCodecContext to default values corresponding
  * to the given codec (defaults may be codec-dependent).