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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.
*/
#include <stdlib.h>
#include "vpx/vpx_codec.h"
#include "vpx/vpx_tpl.h"
#include "vpx_mem/vpx_mem.h"
#define CHECK_FPRINTF_ERROR(expr) \
do { \
if (expr < 0) { \
return VPX_CODEC_ERROR; \
} \
} while (0)
#define CHECK_FSCANF_ERROR(expr, expected_value) \
do { \
if (expr != expected_value) { \
return VPX_CODEC_ERROR; \
} \
} while (0)
vpx_codec_err_t vpx_write_tpl_gop_stats(FILE *tpl_file,
const VpxTplGopStats *tpl_gop_stats) {
int i;
if (tpl_file == NULL || tpl_gop_stats == NULL) return VPX_CODEC_INVALID_PARAM;
CHECK_FPRINTF_ERROR(fprintf(tpl_file, "%d\n", tpl_gop_stats->size));
for (i = 0; i < tpl_gop_stats->size; i++) {
VpxTplFrameStats frame_stats = tpl_gop_stats->frame_stats_list[i];
const int num_blocks = frame_stats.num_blocks;
int block;
CHECK_FPRINTF_ERROR(fprintf(tpl_file, "%d %d %d\n", frame_stats.frame_width,
frame_stats.frame_height, num_blocks));
for (block = 0; block < num_blocks; block++) {
VpxTplBlockStats block_stats = frame_stats.block_stats_list[block];
CHECK_FPRINTF_ERROR(
fprintf(tpl_file,
"%" PRId64 " %" PRId64 " %" PRId16 " %" PRId16 " %" PRId64
" %" PRId64 " %d\n",
block_stats.inter_cost, block_stats.intra_cost,
block_stats.mv_c, block_stats.mv_r, block_stats.srcrf_dist,
block_stats.srcrf_rate, block_stats.ref_frame_index));
}
}
return VPX_CODEC_OK;
}
vpx_codec_err_t vpx_read_tpl_gop_stats(FILE *tpl_file,
VpxTplGopStats *tpl_gop_stats) {
int i, frame_list_size;
if (tpl_file == NULL || tpl_gop_stats == NULL) return VPX_CODEC_INVALID_PARAM;
CHECK_FSCANF_ERROR(fscanf(tpl_file, "%d\n", &frame_list_size), 1);
tpl_gop_stats->size = frame_list_size;
tpl_gop_stats->frame_stats_list = (VpxTplFrameStats *)vpx_calloc(
frame_list_size, sizeof(tpl_gop_stats->frame_stats_list[0]));
if (tpl_gop_stats->frame_stats_list == NULL) {
return VPX_CODEC_MEM_ERROR;
}
for (i = 0; i < frame_list_size; i++) {
VpxTplFrameStats *frame_stats = &tpl_gop_stats->frame_stats_list[i];
int num_blocks, width, height, block;
CHECK_FSCANF_ERROR(
fscanf(tpl_file, "%d %d %d\n", &width, &height, &num_blocks), 3);
frame_stats->num_blocks = num_blocks;
frame_stats->frame_width = width;
frame_stats->frame_height = height;
frame_stats->block_stats_list = (VpxTplBlockStats *)vpx_calloc(
num_blocks, sizeof(frame_stats->block_stats_list[0]));
if (frame_stats->block_stats_list == NULL) {
vpx_free_tpl_gop_stats(tpl_gop_stats);
return VPX_CODEC_MEM_ERROR;
}
for (block = 0; block < num_blocks; block++) {
VpxTplBlockStats *block_stats = &frame_stats->block_stats_list[block];
CHECK_FSCANF_ERROR(
fscanf(tpl_file,
"%" SCNd64 " %" SCNd64 " %" SCNd16 " %" SCNd16 " %" SCNd64
" %" SCNd64 " %d\n",
&block_stats->inter_cost, &block_stats->intra_cost,
&block_stats->mv_c, &block_stats->mv_r,
&block_stats->srcrf_dist, &block_stats->srcrf_rate,
&block_stats->ref_frame_index),
7);
}
}
return VPX_CODEC_OK;
}
void vpx_free_tpl_gop_stats(VpxTplGopStats *tpl_gop_stats) {
int frame;
if (tpl_gop_stats == NULL) return;
for (frame = 0; frame < tpl_gop_stats->size; frame++) {
vpx_free(tpl_gop_stats->frame_stats_list[frame].block_stats_list);
}
vpx_free(tpl_gop_stats->frame_stats_list);
}
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