ref: b24ed95f44e47c7f6a6902a77c4141db75374a2d
dir: /vp9/vp9_dx_iface.h/
/*
* Copyright (c) 2015 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_VP9_DX_IFACE_H_
#define VP9_VP9_DX_IFACE_H_
#include "vp9/decoder/vp9_decoder.h"
typedef vpx_codec_stream_info_t vp9_stream_info_t;
// This limit is due to framebuffer numbers.
// TODO(hkuang): Remove this limit after implementing ondemand framebuffers.
#define FRAME_CACHE_SIZE 6 // Cache maximum 6 decoded frames.
typedef struct cache_frame {
int fb_idx;
vpx_image_t img;
} cache_frame;
struct vpx_codec_alg_priv {
vpx_codec_priv_t base;
vpx_codec_dec_cfg_t cfg;
vp9_stream_info_t si;
int postproc_cfg_set;
vp8_postproc_cfg_t postproc_cfg;
vpx_decrypt_cb decrypt_cb;
void *decrypt_state;
vpx_image_t img;
int img_avail;
int flushed;
int invert_tile_order;
int last_show_frame; // Index of last output frame.
int byte_alignment;
int skip_loop_filter;
// Frame parallel related.
int frame_parallel_decode; // frame-based threading.
VPxWorker *frame_workers;
int num_frame_workers;
int next_submit_worker_id;
int last_submit_worker_id;
int next_output_worker_id;
int available_threads;
cache_frame frame_cache[FRAME_CACHE_SIZE];
int frame_cache_write;
int frame_cache_read;
int num_cache_frames;
int need_resync; // wait for key/intra-only frame
// BufferPool that holds all reference frames. Shared by all the FrameWorkers.
BufferPool *buffer_pool;
// External frame buffer info to save for VP9 common.
void *ext_priv; // Private data associated with the external frame buffers.
vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb;
vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb;
// Allow for decoding up to a given spatial layer for SVC stream.
int svc_decoding;
int svc_spatial_layer;
};
#endif // VP9_VP9_DX_IFACE_H_