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Diffstat (limited to '')
| -rw-r--r-- | media/ffvpx/libavcodec/vp9shared.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/vp9shared.h b/media/ffvpx/libavcodec/vp9shared.h new file mode 100644 index 0000000000..543a496df8 --- /dev/null +++ b/media/ffvpx/libavcodec/vp9shared.h @@ -0,0 +1,175 @@ +/* + * VP9 compatible video decoder + * + * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com> + * Copyright (C) 2013 Clément Bœsch <u pkh me> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_VP9SHARED_H +#define AVCODEC_VP9SHARED_H + +#include <stddef.h> +#include <stdint.h> + +#include "libavutil/mem_internal.h" + +#include "vp9.h" +#include "threadframe.h" + +enum BlockPartition { + PARTITION_NONE, // [ ] <-. + PARTITION_H, // [-] | + PARTITION_V, // [|] | + PARTITION_SPLIT, // [+] --' +}; + +enum InterPredMode { + NEARESTMV = 10, + NEARMV = 11, + ZEROMV = 12, + NEWMV = 13, +}; + +enum CompPredMode { + PRED_SINGLEREF, + PRED_COMPREF, + PRED_SWITCHABLE, +}; + +typedef struct VP9mv { + DECLARE_ALIGNED(4, int16_t, x); + int16_t y; +} VP9mv; + +typedef struct VP9mvrefPair { + VP9mv mv[2]; + int8_t ref[2]; +} VP9mvrefPair; + +typedef struct VP9Frame { + ThreadFrame tf; + AVBufferRef *extradata; + uint8_t *segmentation_map; + VP9mvrefPair *mv; + int uses_2pass; + + AVBufferRef *hwaccel_priv_buf; + void *hwaccel_picture_private; +} VP9Frame; + +enum BlockLevel { + BL_64X64, + BL_32X32, + BL_16X16, + BL_8X8, +}; + +enum BlockSize { + BS_64x64, + BS_64x32, + BS_32x64, + BS_32x32, + BS_32x16, + BS_16x32, + BS_16x16, + BS_16x8, + BS_8x16, + BS_8x8, + BS_8x4, + BS_4x8, + BS_4x4, + N_BS_SIZES, +}; + +typedef struct VP9BitstreamHeader { + // bitstream header + uint8_t profile; + uint8_t bpp; + uint8_t keyframe; + uint8_t invisible; + uint8_t errorres; + uint8_t intraonly; + uint8_t resetctx; + uint8_t refreshrefmask; + uint8_t highprecisionmvs; + enum FilterMode filtermode; + uint8_t allowcompinter; + uint8_t refreshctx; + uint8_t parallelmode; + uint8_t framectxid; + uint8_t use_last_frame_mvs; + uint8_t refidx[3]; + uint8_t signbias[3]; + uint8_t fixcompref; + uint8_t varcompref[2]; + struct { + uint8_t level; + int8_t sharpness; + } filter; + struct { + uint8_t enabled; + uint8_t updated; + int8_t mode[2]; + int8_t ref[4]; + } lf_delta; + uint8_t yac_qi; + int8_t ydc_qdelta, uvdc_qdelta, uvac_qdelta; + uint8_t lossless; +#define MAX_SEGMENT 8 + struct { + uint8_t enabled; + uint8_t temporal; + uint8_t absolute_vals; + uint8_t update_map; + uint8_t prob[7]; + uint8_t pred_prob[3]; + struct { + uint8_t q_enabled; + uint8_t lf_enabled; + uint8_t ref_enabled; + uint8_t skip_enabled; + uint8_t ref_val; + int16_t q_val; + int8_t lf_val; + int16_t qmul[2][2]; + uint8_t lflvl[4][2]; + } feat[MAX_SEGMENT]; + } segmentation; + enum TxfmMode txfmmode; + enum CompPredMode comppredmode; + struct { + unsigned log2_tile_cols, log2_tile_rows; + unsigned tile_cols, tile_rows; + } tiling; + + int uncompressed_header_size; + int compressed_header_size; +} VP9BitstreamHeader; + +typedef struct VP9SharedContext { + VP9BitstreamHeader h; + + ThreadFrame refs[8]; +#define CUR_FRAME 0 +#define REF_FRAME_MVPAIR 1 +#define REF_FRAME_SEGMAP 2 + VP9Frame frames[3]; +} VP9SharedContext; + +#endif /* AVCODEC_VP9SHARED_H */ |