lavfi/framepool: add audio support

1 files changed, 35 insertions, 1 deletions

diff --git a/libavfilter/framepool.h b/libavfilter/framepool.h
index 4824824894..e5560e4c6e 100644
--- a/libavfilter/framepool.h
+++ b/libavfilter/framepool.h
@@ -41,7 +41,7 @@ typedef struct FFFramePool FFFramePool;
  * @param height height of each frame in this pool
  * @param format format of each frame in this pool
  * @param align buffers alignement of each frame in this pool
- * @return newly created frame pool on success, NULL on error.
+ * @return newly created video frame pool on success, NULL on error.
  */
 FFFramePool *ff_frame_pool_video_init(AVBufferRef* (*alloc)(int size),
                                       int width,
@@ -50,6 +50,24 @@ FFFramePool *ff_frame_pool_video_init(AVBufferRef* (*alloc)(int size),
                                       int align);
 
 /**
+ * Allocate and initialize an audio frame pool.
+ *
+ * @param alloc a function that will be used to allocate new frame buffers when
+ * the pool is empty. May be NULL, then the default allocator will be used
+ * (av_buffer_alloc()).
+ * @param channels channels of each frame in this pool
+ * @param nb_samples number of samples of each frame in this pool
+ * @param format format of each frame in this pool
+ * @param align buffers alignement of each frame in this pool
+ * @return newly created audio frame pool on success, NULL on error.
+ */
+FFFramePool *ff_frame_pool_audio_init(AVBufferRef* (*alloc)(int size),
+                                      int channels,
+                                      int samples,
+                                      enum AVSampleFormat format,
+                                      int align);
+
+/**
  * Deallocate the frame pool. It is safe to call this function while
  * some of the allocated frame are still in use.
  *
@@ -73,6 +91,22 @@ int ff_frame_pool_get_video_config(FFFramePool *pool,
                                    int *align);
 
 /**
+ * Get the audio frame pool configuration.
+ *
+ * @param channels channels of each frame in this pool
+ * @param nb_samples number of samples of each frame in this pool
+ * @param format format of each frame in this pool
+ * @param align buffers alignement of each frame in this pool
+ * @return 0 on success, a negative AVERROR otherwise.
+ */
+int ff_frame_pool_get_audio_config(FFFramePool *pool,
+                                   int *channels,
+                                   int *nb_samples,
+                                   enum AVSampleFormat *format,
+                                   int *align);
+
+
+/**
  * Allocate a new AVFrame, reussing old buffers from the pool when available.
  * This function may be called simultaneously from multiple threads.
  *