vpx/vp9/decoder/vp9_decoder.h
James Zern 7ee073e61d vp9: wait for key/intra-only frame after corruption
don't bother decoding any further after receiving an earlier decode
error until a key/intra-only frame is encountered.

Change-Id: I381917b70d7a9e6f8d6de42e3d181bb113a4cec4
2014-09-09 19:36:11 -07:00

106 lines
2.9 KiB
C

/*
* Copyright (c) 2010 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_DECODER_VP9_DECODER_H_
#define VP9_DECODER_VP9_DECODER_H_
#include "./vpx_config.h"
#include "vpx/vpx_codec.h"
#include "vpx_scale/yv12config.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_ppflags.h"
#include "vp9/common/vp9_thread.h"
#include "vp9/decoder/vp9_dthread.h"
#ifdef __cplusplus
extern "C" {
#endif
// TODO(hkuang): combine this with TileWorkerData.
typedef struct TileData {
VP9_COMMON *cm;
vp9_reader bit_reader;
DECLARE_ALIGNED(16, MACROBLOCKD, xd);
} TileData;
typedef struct VP9Decoder {
DECLARE_ALIGNED(16, MACROBLOCKD, mb);
DECLARE_ALIGNED(16, VP9_COMMON, common);
int ready_for_new_data;
int refresh_frame_flags;
int frame_parallel_decode; // frame-based threading.
VP9Worker lf_worker;
VP9Worker *tile_workers;
int num_tile_workers;
TileData *tile_data;
int total_tiles;
VP9LfSync lf_row_sync;
vpx_decrypt_cb decrypt_cb;
void *decrypt_state;
int max_threads;
int inv_tile_order;
int need_resync; // wait for key/intra-only frame
} VP9Decoder;
int vp9_receive_compressed_data(struct VP9Decoder *pbi,
size_t size, const uint8_t **dest);
int vp9_get_raw_frame(struct VP9Decoder *pbi, YV12_BUFFER_CONFIG *sd,
vp9_ppflags_t *flags);
vpx_codec_err_t vp9_copy_reference_dec(struct VP9Decoder *pbi,
VP9_REFFRAME ref_frame_flag,
YV12_BUFFER_CONFIG *sd);
vpx_codec_err_t vp9_set_reference_dec(VP9_COMMON *cm,
VP9_REFFRAME ref_frame_flag,
YV12_BUFFER_CONFIG *sd);
struct VP9Decoder *vp9_decoder_create();
void vp9_decoder_remove(struct VP9Decoder *pbi);
static INLINE uint8_t read_marker(vpx_decrypt_cb decrypt_cb,
void *decrypt_state,
const uint8_t *data) {
if (decrypt_cb) {
uint8_t marker;
decrypt_cb(decrypt_state, data, &marker, 1);
return marker;
}
return *data;
}
// This function is exposed for use in tests, as well as the inlined function
// "read_marker".
vpx_codec_err_t vp9_parse_superframe_index(const uint8_t *data,
size_t data_sz,
uint32_t sizes[8], int *count,
vpx_decrypt_cb decrypt_cb,
void *decrypt_state);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_DECODER_VP9_DECODER_H_