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/*
* Copyright (c) 2023 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.
*/
/*!\file
* \brief Describes the TPL stats descriptor and associated operations
*
*/
#ifndef VPX_VPX_VPX_TPL_H_
#define VPX_VPX_VPX_TPL_H_
#include <stdio.h>
#include "./vpx_integer.h"
#include "./vpx_codec.h"
#ifdef __cplusplus
extern "C" {
#endif
/*!\brief Current ABI version number
*
* \internal
* If this file is altered in any way that changes the ABI, this value
* must be bumped. Examples include, but are not limited to, changing
* types, removing or reassigning enums, adding/removing/rearranging
* fields to structures
*/
#define VPX_TPL_ABI_VERSION (2) /**<\hideinitializer*/
/*!\brief Temporal dependency model stats for each block before propagation */
typedef struct VpxTplBlockStats {
int16_t row; /**< Pixel row of the top left corner */
int16_t col; /**< Pixel col of the top left corner */
int64_t intra_cost; /**< Intra cost */
int64_t inter_cost; /**< Inter cost */
int16_t mv_r; /**< Motion vector row */
int16_t mv_c; /**< Motion vector col */
int64_t recrf_rate; /**< Rate from reconstructed ref frame */
int64_t recrf_dist; /**< Distortion from reconstructed ref frame */
int ref_frame_index; /**< Ref frame index in the ref frame buffer */
} VpxTplBlockStats;
/*!\brief Temporal dependency model stats for each frame before propagation */
typedef struct VpxTplFrameStats {
int frame_width; /**< Frame width */
int frame_height; /**< Frame height */
int num_blocks; /**< Number of blocks. Size of block_stats_list */
VpxTplBlockStats *block_stats_list; /**< List of tpl stats for each block */
} VpxTplFrameStats;
/*!\brief Temporal dependency model stats for each GOP before propagation */
typedef struct VpxTplGopStats {
int size; /**< GOP size, also the size of frame_stats_list. */
VpxTplFrameStats *frame_stats_list; /**< List of tpl stats for each frame */
} VpxTplGopStats;
/*!\brief Write VpxTplGopStats to file
*
* Accepts an opened file handle and writes \p tpl_gop_stats.
*
* \param[in] tpl_file A FILE pointer that's already been opened.
* \param[in] tpl_gop_stats VpxTplGopStats that contains TPL stats for the
* whole GOP.
*
* \return VPX_CODEC_OK if TPL stats are successfully written.
*/
vpx_codec_err_t vpx_write_tpl_gop_stats(FILE *tpl_file,
const VpxTplGopStats *tpl_gop_stats);
/*!\brief Read VpxTplGopStats from file
*
* Accepts an opened file handle and reads TPL stats and stores them into
* \p tpl_gop_stats. Allocates memory for TPL stats.
*
* \param[in] tpl_file A FILE pointer that's already been opened.
* \param[out] tpl_gop_stats VpxTplGopStats that contains TPL stats for the
* whole GOP.
*
* \return VPX_CODEC_OK if TPL stats are successfully read from file.
*/
vpx_codec_err_t vpx_read_tpl_gop_stats(FILE *tpl_file,
VpxTplGopStats *tpl_gop_stats);
/*!\brief Free the memory allocated for VpxTplGopStats
*
* \param[in] tpl_gop_stats VpxTplGopStats that contains TPL stats for the
* whole GOP.
*/
void vpx_free_tpl_gop_stats(VpxTplGopStats *tpl_gop_stats);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VPX_VPX_VPX_TPL_H_
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