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Code Issues Releases Activity

avtools: move buffer management code from avconv to cmdutils.

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It will be used by avplay.
This commit is contained in:
Anton Khirnov
2012-05-30 07:57:59 +02:00
parent 3ffa233595
commit d55c2e05b5
3 changed files with 172 additions and 142 deletions
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42
cmdutils.h
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@@ -383,4 +383,46 @@ void exit_program(int ret);
*/
void *grow_array(void *array, int elem_size, int *size, int new_size);
typedef struct FrameBuffer {
uint8_t *base[4];
uint8_t *data[4];
int linesize[4];
int h, w;
enum PixelFormat pix_fmt;
int refcount;
struct FrameBuffer **pool; ///< head of the buffer pool
struct FrameBuffer *next;
} FrameBuffer;
/**
* Get a frame from the pool. This is intended to be used as a callback for
* AVCodecContext.get_buffer.
*
* @param s codec context. s->opaque must be a pointer to the head of the
* buffer pool.
* @param frame frame->opaque will be set to point to the FrameBuffer
* containing the frame data.
*/
int codec_get_buffer(AVCodecContext *s, AVFrame *frame);
/**
* A callback to be used for AVCodecContext.release_buffer along with
* codec_get_buffer().
*/
void codec_release_buffer(AVCodecContext *s, AVFrame *frame);
/**
* A callback to be used for AVFilterBuffer.free.
* @param fb buffer to free. fb->priv must be a pointer to the FrameBuffer
* containing the buffer data.
*/
void filter_release_buffer(AVFilterBuffer *fb);
/**
* Free all the buffers in the pool. This must be called after all the
* buffers have been released.
*/
void free_buffer_pool(FrameBuffer **pool);
#endif /* LIBAV_CMDUTILS_H */