1 /* 2 * Copyright (c) 2015 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VP9_VP9_DX_IFACE_H_ 12 #define VP9_VP9_DX_IFACE_H_ 13 14 #include "vp9/decoder/vp9_decoder.h" 15 16 typedef vpx_codec_stream_info_t vp9_stream_info_t; 17 18 // This limit is due to framebuffer numbers. 19 // TODO(hkuang): Remove this limit after implementing ondemand framebuffers. 20 #define FRAME_CACHE_SIZE 6 // Cache maximum 6 decoded frames. 21 22 typedef struct cache_frame { 23 int fb_idx; 24 vpx_image_t img; 25 } cache_frame; 26 27 struct vpx_codec_alg_priv { 28 vpx_codec_priv_t base; 29 vpx_codec_dec_cfg_t cfg; 30 vp9_stream_info_t si; 31 int postproc_cfg_set; 32 vp8_postproc_cfg_t postproc_cfg; 33 vpx_decrypt_cb decrypt_cb; 34 void *decrypt_state; 35 vpx_image_t img; 36 int img_avail; 37 int flushed; 38 int invert_tile_order; 39 int last_show_frame; // Index of last output frame. 40 int byte_alignment; 41 int skip_loop_filter; 42 43 // Frame parallel related. 44 int frame_parallel_decode; // frame-based threading. 45 VPxWorker *frame_workers; 46 int num_frame_workers; 47 int next_submit_worker_id; 48 int last_submit_worker_id; 49 int next_output_worker_id; 50 int available_threads; 51 cache_frame frame_cache[FRAME_CACHE_SIZE]; 52 int frame_cache_write; 53 int frame_cache_read; 54 int num_cache_frames; 55 int need_resync; // wait for key/intra-only frame 56 // BufferPool that holds all reference frames. Shared by all the FrameWorkers. 57 BufferPool *buffer_pool; 58 59 // External frame buffer info to save for VP9 common. 60 void *ext_priv; // Private data associated with the external frame buffers. 61 vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb; 62 vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb; 63 64 // Allow for decoding up to a given spatial layer for SVC stream. 65 int svc_decoding; 66 int svc_spatial_layer; 67 }; 68 69 #endif // VP9_VP9_DX_IFACE_H_ 70