* @{
*/
+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.
* @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);
/* @} */