avcodec/jpeg2000dec: Assert that step_x/y are valid

[ffmpeg] / libavcodec / vaapi_internal.h

diff --git a/libavcodec/vaapi_internal.h b/libavcodec/vaapi_internal.h
index 918c718d14bf25aacde002870b73dc0593a7cc1e..29f46ab4300e60954cc4ea667aedabdf37f07ca9 100644 (file)
--- a/libavcodec/vaapi_internal.h
+++ b/libavcodec/vaapi_internal.h
@@ -35,23 +35,53 @@
  * @{
  */
 
+typedef struct {
+    VADisplay display;                  ///< Windowing system dependent handle
+    VAConfigID config_id;               ///< Configuration ID
+    VAContextID context_id;             ///< Context ID (video decode pipeline)
+    VABufferID pic_param_buf_id;        ///< Picture parameter buffer
+    VABufferID iq_matrix_buf_id;        ///< Inverse quantiser matrix buffer
+    VABufferID bitplane_buf_id;         ///< Bitplane buffer (for VC-1 decoding)
+    VABufferID *slice_buf_ids;          ///< Slice parameter/data buffers
+    unsigned int n_slice_buf_ids;       ///< Number of effective slice buffers
+    unsigned int slice_buf_ids_alloc;   ///< Number of allocated slice buffers
+    void *slice_params;                 ///< Pointer to slice parameter buffers
+    unsigned int slice_param_size;      ///< Size of a slice parameter element
+    unsigned int slice_params_alloc;    ///< Number of allocated slice parameters
+    unsigned int slice_count;           ///< Number of slices currently filled in
+    const uint8_t *slice_data;          ///< Pointer to slice data buffer base
+    unsigned int slice_data_size;       ///< Current size of slice data
+} FFVAContext;
+
+/** Extract vaapi_context from an AVCodecContext */
+static inline FFVAContext *ff_vaapi_get_context(AVCodecContext *avctx)
+{
+    return avctx->internal->hwaccel_priv_data;
+}
+
 /** Extract VASurfaceID from an AVFrame */
 static inline VASurfaceID ff_vaapi_get_surface_id(AVFrame *pic)
 {
     return (uintptr_t)pic->data[3];
 }
 
+/** Common AVHWAccel.init() implementation */
+int ff_vaapi_context_init(AVCodecContext *avctx);
+
+/** Common AVHWAccel.uninit() implementation */
+int ff_vaapi_context_fini(AVCodecContext *avctx);
+
 /** Common AVHWAccel.end_frame() implementation */
 void ff_vaapi_common_end_frame(AVCodecContext *avctx);
 
 /** Allocate a new picture parameter buffer */
-void *ff_vaapi_alloc_pic_param(struct vaapi_context *vactx, unsigned int size);
+void *ff_vaapi_alloc_pic_param(FFVAContext *vactx, unsigned int size);
 
 /** Allocate a new IQ matrix buffer */
-void *ff_vaapi_alloc_iq_matrix(struct vaapi_context *vactx, unsigned int size);
+void *ff_vaapi_alloc_iq_matrix(FFVAContext *vactx, unsigned int size);
 
 /** Allocate a new bit-plane buffer */
-uint8_t *ff_vaapi_alloc_bitplane(struct vaapi_context *vactx, uint32_t size);
+uint8_t *ff_vaapi_alloc_bitplane(FFVAContext *vactx, uint32_t size);
 
 /**
  * Allocate a new slice descriptor for the input slice.
@@ -61,11 +91,11 @@ uint8_t *ff_vaapi_alloc_bitplane(struct vaapi_context *vactx, uint32_t size);
  * @param size the size of the slice in bytes
  * @return the newly allocated slice parameter
  */
-VASliceParameterBufferBase *ff_vaapi_alloc_slice(struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size);
+VASliceParameterBufferBase *ff_vaapi_alloc_slice(FFVAContext *vactx, const uint8_t *buffer, uint32_t size);
 
 int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx);
-int ff_vaapi_commit_slices(struct vaapi_context *vactx);
-int ff_vaapi_render_picture(struct vaapi_context *vactx, VASurfaceID surface);
+int ff_vaapi_commit_slices(FFVAContext *vactx);
+int ff_vaapi_render_picture(FFVAContext *vactx, VASurfaceID surface);
 
 /* @} */