mmal: drop the h264 BSF

[ffmpeg] / libavcodec / vda.h

diff --git a/libavcodec/vda.h b/libavcodec/vda.h
index f0ec2bfec3312f315e2e8b3a75388b1001d6bc2b..5e7228c94e38aafa177ca587e54879daf1f6b5fa 100644 (file)
--- a/libavcodec/vda.h
+++ b/libavcodec/vda.h
@@ -29,12 +29,9 @@
  * Public libavcodec VDA header.
  */
 
+#include "libavcodec/avcodec.h"
 #include "libavcodec/version.h"
 
-#if FF_API_VDA_ASYNC
-#include <pthread.h>
-#endif
-
 #include <stdint.h>
 
 // emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes
@@ -52,39 +49,6 @@
  * @{
  */
 
-#if FF_API_VDA_ASYNC
-/**
- * This structure is used to store decoded frame information and data.
- *
- * @deprecated Use synchronous decoding mode.
- */
-typedef struct vda_frame {
-    /**
-     * The PTS of the frame.
-     *
-     * - encoding: unused
-     * - decoding: Set/Unset by libavcodec.
-     */
-    int64_t             pts;
-
-    /**
-     * The CoreVideo buffer that contains the decoded data.
-     *
-     * - encoding: unused
-     * - decoding: Set/Unset by libavcodec.
-     */
-    CVPixelBufferRef    cv_buffer;
-
-    /**
-     * A pointer to the next frame.
-     *
-     * - encoding: unused
-     * - decoding: Set/Unset by libavcodec.
-     */
-    struct vda_frame    *next_frame;
-} vda_frame;
-#endif
-
 /**
  * This structure is used to provide the necessary configurations and data
  * to the VDA Libav HWAccel implementation.
@@ -116,28 +80,6 @@ struct vda_context {
      */
     int                 use_sync_decoding;
 
-#if FF_API_VDA_ASYNC
-    /**
-     * VDA frames queue ordered by presentation timestamp.
-     *
-     * @deprecated Use synchronous decoding mode.
-     *
-     * - encoding: unused
-     * - decoding: Set/Unset by libavcodec.
-     */
-    vda_frame           *queue;
-
-    /**
-     * Mutex for locking queue operations.
-     *
-     * @deprecated Use synchronous decoding mode.
-     *
-     * - encoding: unused
-     * - decoding: Set/Unset by libavcodec.
-     */
-    pthread_mutex_t     queue_mutex;
-#endif
-
     /**
      * The frame width.
      *
@@ -171,17 +113,17 @@ struct vda_context {
     OSType              cv_pix_fmt_type;
 
     /**
-     * The current bitstream buffer.
+     * unused
      */
     uint8_t             *priv_bitstream;
 
     /**
-     * The current size of the bitstream.
+     * unused
      */
     int                 priv_bitstream_size;
 
     /**
-     * The reference size used for fast reallocation.
+     * unused
      */
     int                 priv_allocated_size;
 };
@@ -194,21 +136,74 @@ int ff_vda_create_decoder(struct vda_context *vda_ctx,
 /** Destroy the video decoder. */
 int ff_vda_destroy_decoder(struct vda_context *vda_ctx);
 
-#if FF_API_VDA_ASYNC
 /**
- * Return the top frame of the queue.
+ * This struct holds all the information that needs to be passed
+ * between the caller and libavcodec for initializing VDA decoding.
+ * Its size is not a part of the public ABI, it must be allocated with
+ * av_vda_alloc_context() and freed with av_free().
+ */
+typedef struct AVVDAContext {
+    /**
+     * VDA decoder object. Created and freed by the caller.
+     */
+    VDADecoder decoder;
+
+    /**
+     * The output callback that must be passed to VDADecoderCreate.
+     * Set by av_vda_alloc_context().
+     */
+    VDADecoderOutputCallback output_callback;
+
+    /**
+     * CVPixelBuffer Format Type that VDA will use for decoded frames; set by
+     * the caller.
+     */
+    OSType cv_pix_fmt_type;
+} AVVDAContext;
+
+/**
+ * Allocate and initialize a VDA context.
+ *
+ * This function should be called from the get_format() callback when the caller
+ * selects the AV_PIX_FMT_VDA format. The caller must then create the decoder
+ * object (using the output callback provided by libavcodec) that will be used
+ * for VDA-accelerated decoding.
+ *
+ * When decoding with VDA is finished, the caller must destroy the decoder
+ * object and free the VDA context using av_free().
+ *
+ * @return the newly allocated context or NULL on failure
+ */
+AVVDAContext *av_vda_alloc_context(void);
+
+/**
+ * This is a convenience function that creates and sets up the VDA context using
+ * an internal implementation.
+ *
+ * @param avctx the corresponding codec context
+ *
+ * @return >= 0 on success, a negative AVERROR code on failure
+ */
+int av_vda_default_init(AVCodecContext *avctx);
+
+/**
+ * This is a convenience function that creates and sets up the VDA context using
+ * an internal implementation.
+ *
+ * @param avctx the corresponding codec context
+ * @param vdactx the VDA context to use
  *
- * @deprecated Use synchronous decoding mode.
+ * @return >= 0 on success, a negative AVERROR code on failure
  */
-vda_frame *ff_vda_queue_pop(struct vda_context *vda_ctx);
+int av_vda_default_init2(AVCodecContext *avctx, AVVDAContext *vdactx);
 
 /**
- * Release the given frame.
+ * This function must be called to free the VDA context initialized with
+ * av_vda_default_init().
  *
- * @deprecated Use synchronous decoding mode.
+ * @param avctx the corresponding codec context
  */
-void ff_vda_release_vda_frame(vda_frame *frame);
-#endif
+void av_vda_default_free(AVCodecContext *avctx);
 
 /**
  * @}