vc1: Factorize out chroma MC

[ffmpeg] / libavcodec / internal.h

diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index 3f28d4b00ac8e82fd7f81ad781dce7c72e2fa240..9f7213c17decbfd37437a2135e289f501bad9e56 100644 (file)
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -27,9 +27,11 @@
 #include <stdint.h>
 
 #include "libavutil/buffer.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/pixfmt.h"
 #include "avcodec.h"
+#include "config.h"
 
 #define FF_SANE_NB_CHANNELS 63U
 
@@ -76,23 +78,23 @@ typedef struct AVCodecInternal {
      */
     int allocate_progress;
 
-#if FF_API_OLD_ENCODE_AUDIO
-    /**
-     * Internal sample count used by avcodec_encode_audio() to fabricate pts.
-     * Can be removed along with avcodec_encode_audio().
-     */
-    int sample_count;
-#endif
-
     /**
      * An audio frame with less than required samples has been submitted and
      * padded with silence. Reject all subsequent frames.
      */
     int last_audio_frame;
 
-    AVFrame to_free;
+    AVFrame *to_free;
 
     FramePool *pool;
+
+    void *thread_ctx;
+
+    /**
+     * Current packet as passed into the decoder, to avoid having to pass the
+     * packet into every function.
+     */
+    AVPacket *pkt;
 } AVCodecInternal;
 
 struct AVCodecDefault {
@@ -104,11 +106,10 @@ struct AVCodecDefault {
  * Return the hardware accelerated codec for codec codec_id and
  * pixel format pix_fmt.
  *
- * @param codec_id the codec to match
- * @param pix_fmt the pixel format to match
+ * @param avctx The codec context containing the codec_id and pixel format.
  * @return the hardware accelerated codec, or NULL if none was found.
  */
-AVHWAccel *ff_find_hwaccel(enum AVCodecID codec_id, enum AVPixelFormat pix_fmt);
+AVHWAccel *ff_find_hwaccel(AVCodecContext *avctx);
 
 /**
  * Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
@@ -169,4 +170,20 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags);
  */
 int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame);
 
+const uint8_t *avpriv_find_start_code(const uint8_t *restrict p,
+                                      const uint8_t *end,
+                                      uint32_t *restrict state);
+
+/**
+ * Check that the provided frame dimensions are valid and set them on the codec
+ * context.
+ */
+int ff_set_dimensions(AVCodecContext *s, int width, int height);
+
+/**
+ * Add or update AV_FRAME_DATA_MATRIXENCODING side data.
+ */
+int ff_side_data_update_matrix_encoding(AVFrame *frame,
+                                        enum AVMatrixEncoding matrix_encoding);
+
 #endif /* AVCODEC_INTERNAL_H */