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aomedia/aom/3ac5ebf6e2ad9ae74a68909c80eaa8680147e777/./av1/encoder/thirdpass.c
blob: 5a1e7b0015124b684a3770625dcea79d9ec90d13 [file]
/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include "av1/encoder/thirdpass.h"
#if CONFIG_THREE_PASS && CONFIG_AV1_DECODER
#include "aom/aom_codec.h"
#include "aom/aomdx.h"
#include "aom_dsp/psnr.h"
#include "aom_mem/aom_mem.h"
#include "av1/av1_iface_common.h"
#include "av1/encoder/encoder.h"
#include "av1/encoder/firstpass.h"
#include "av1/common/blockd.h"
#include "common/ivfdec.h"
static void setup_two_pass_stream_input(
struct AvxInputContext **input_ctx_ptr, const char *input_file_name,
struct aom_internal_error_info *err_info) {
FILE *infile;
infile = fopen(input_file_name, "rb");
if (!infile) {
aom_internal_error(err_info, AOM_CODEC_INVALID_PARAM,
"Failed to open input file '%s'.", input_file_name);
}
struct AvxInputContext *aom_input_ctx = aom_malloc(sizeof(*aom_input_ctx));
if (!aom_input_ctx) {
fclose(infile);
aom_internal_error(err_info, AOM_CODEC_MEM_ERROR,
"Failed to allocate memory for third-pass context.");
}
memset(aom_input_ctx, 0, sizeof(*aom_input_ctx));
aom_input_ctx->filename = input_file_name;
aom_input_ctx->file = infile;
if (file_is_ivf(aom_input_ctx)) {
aom_input_ctx->file_type = FILE_TYPE_IVF;
} else {
fclose(infile);
aom_free(aom_input_ctx);
aom_internal_error(err_info, AOM_CODEC_INVALID_PARAM,
"Unrecognized input file type.");
}
*input_ctx_ptr = aom_input_ctx;
}
static void init_third_pass(THIRD_PASS_DEC_CTX *ctx) {
if (!ctx->input_ctx) {
if (ctx->input_file_name == NULL) {
aom_internal_error(ctx->err_info, AOM_CODEC_INVALID_PARAM,
"No third pass input specified.");
}
setup_two_pass_stream_input(&ctx->input_ctx, ctx->input_file_name,
ctx->err_info);
}
if (!ctx->decoder.iface) {
aom_codec_iface_t *decoder_iface = &aom_codec_av1_inspect_algo;
if (aom_codec_dec_init(&ctx->decoder, decoder_iface, NULL, 0)) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to initialize decoder.");
}
}
}
// Return 0: success
// 1: cannot read because this is end of file
// -1: failure to read the frame
static int read_frame(THIRD_PASS_DEC_CTX *ctx) {
if (!ctx->input_ctx || !ctx->decoder.iface) {
init_third_pass(ctx);
}
if (!ctx->have_frame) {
if (ivf_read_frame(ctx->input_ctx, &ctx->buf, &ctx->bytes_in_buffer,
&ctx->buffer_size, NULL) != 0) {
if (feof(ctx->input_ctx->file)) {
return 1;
} else {
return -1;
}
}
ctx->frame = ctx->buf;
ctx->end_frame = ctx->frame + ctx->bytes_in_buffer;
ctx->have_frame = 1;
}
Av1DecodeReturn adr;
if (aom_codec_decode(&ctx->decoder, ctx->frame,
(unsigned int)ctx->bytes_in_buffer,
&adr) != AOM_CODEC_OK) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to decode frame for third pass.");
}
ctx->this_frame_bits = (int)(adr.buf - ctx->frame) << 3;
ctx->frame = adr.buf;
ctx->bytes_in_buffer = ctx->end_frame - ctx->frame;
if (ctx->frame == ctx->end_frame) ctx->have_frame = 0;
return 0;
}
static void free_frame_info(THIRD_PASS_FRAME_INFO *frame_info) {
if (!frame_info) return;
aom_free(frame_info->mi_info);
frame_info->mi_info = NULL;
}
// This function gets the information needed from the recently decoded frame,
// via various decoder APIs, and saves the info into ctx->frame_info.
// Return 0: success
// 1: cannot read because this is end of file
// -1: failure to read the frame
static int get_frame_info(THIRD_PASS_DEC_CTX *ctx) {
int ret = read_frame(ctx);
if (ret != 0) return ret;
int cur = ctx->frame_info_count;
ctx->frame_info[cur].actual_bits = ctx->this_frame_bits;
if (cur >= MAX_THIRD_PASS_BUF) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Third pass frame info ran out of available slots.");
}
aom_codec_frame_flags_t frame_type_flags = 0;
if (aom_codec_control(&ctx->decoder, AOMD_GET_FRAME_FLAGS,
&frame_type_flags) != AOM_CODEC_OK) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read frame flags.");
}
if (frame_type_flags & AOM_FRAME_IS_KEY) {
ctx->frame_info[cur].frame_type = KEY_FRAME;
} else if (frame_type_flags & AOM_FRAME_IS_INTRAONLY) {
ctx->frame_info[cur].frame_type = INTRA_ONLY_FRAME;
} else if (frame_type_flags & AOM_FRAME_IS_SWITCH) {
ctx->frame_info[cur].frame_type = S_FRAME;
} else {
ctx->frame_info[cur].frame_type = INTER_FRAME;
}
// Get frame width and height
int frame_size[2];
if (aom_codec_control(&ctx->decoder, AV1D_GET_FRAME_SIZE, frame_size) !=
AOM_CODEC_OK) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read frame size.");
}
// Check if we need to re-alloc the mi fields.
const int mi_cols = (frame_size[0] + 3) >> 2;
const int mi_rows = (frame_size[1] + 3) >> 2;
ctx->frame_info[cur].mi_stride = mi_cols;
ctx->frame_info[cur].mi_rows = mi_rows;
ctx->frame_info[cur].mi_cols = mi_cols;
if (ctx->frame_info[cur].width != frame_size[0] ||
ctx->frame_info[cur].height != frame_size[1] ||
!ctx->frame_info[cur].mi_info) {
free_frame_info(&ctx->frame_info[cur]);
ctx->frame_info[cur].mi_info =
aom_malloc(mi_cols * mi_rows * sizeof(*ctx->frame_info[cur].mi_info));
if (!ctx->frame_info[cur].mi_info) {
aom_internal_error(ctx->err_info, AOM_CODEC_MEM_ERROR,
"Failed to allocate mi buffer for the third pass.");
}
}
ctx->frame_info[cur].width = frame_size[0];
ctx->frame_info[cur].height = frame_size[1];
// Get frame base q idx
if (aom_codec_control(&ctx->decoder, AOMD_GET_BASE_Q_IDX,
&ctx->frame_info[cur].base_q_idx) != AOM_CODEC_OK) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read base q index.");
}
// Get show existing frame flag
if (aom_codec_control(&ctx->decoder, AOMD_GET_SHOW_EXISTING_FRAME_FLAG,
&ctx->frame_info[cur].is_show_existing_frame) !=
AOM_CODEC_OK) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read show existing frame flag.");
}
// Get show frame flag
if (aom_codec_control(&ctx->decoder, AOMD_GET_SHOW_FRAME_FLAG,
&ctx->frame_info[cur].is_show_frame) != AOM_CODEC_OK) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read show frame flag.");
}
// Get order hint
if (aom_codec_control(&ctx->decoder, AOMD_GET_ORDER_HINT,
&ctx->frame_info[cur].order_hint) != AOM_CODEC_OK) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read order hint.");
}
// Clear MI info
for (int mi_row = 0; mi_row < mi_rows; mi_row++) {
for (int mi_col = 0; mi_col < mi_cols; mi_col++) {
ctx->frame_info[cur].mi_info[mi_row * mi_cols + mi_col].bsize =
BLOCK_INVALID;
}
}
// Get relevant information regarding each 4x4 MI
MB_MODE_INFO cur_mi_info;
THIRD_PASS_MI_INFO *const this_mi = ctx->frame_info[cur].mi_info;
for (int mi_row = 0; mi_row < mi_rows; mi_row++) {
for (int mi_col = 0; mi_col < mi_cols; mi_col++) {
const int offset = mi_row * mi_cols + mi_col;
if (this_mi[offset].bsize != BLOCK_INVALID) {
continue;
}
// Get info of this MI
if (aom_codec_control(&ctx->decoder, AV1D_GET_MI_INFO, mi_row, mi_col,
&cur_mi_info) != AOM_CODEC_OK) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read mi info.");
}
const int blk_mi_rows = mi_size_high[cur_mi_info.bsize];
const int blk_mi_cols = mi_size_wide[cur_mi_info.bsize];
for (int h = 0; h < blk_mi_rows; h++) {
for (int w = 0; w < blk_mi_cols; w++) {
if (h + mi_row >= mi_rows || w + mi_col >= mi_cols) {
continue;
}
const int this_offset = offset + h * mi_cols + w;
this_mi[this_offset].bsize = cur_mi_info.bsize;
this_mi[this_offset].partition = cur_mi_info.partition;
this_mi[this_offset].mi_row_start = mi_row;
this_mi[this_offset].mi_col_start = mi_col;
this_mi[this_offset].mv[0] = cur_mi_info.mv[0];
this_mi[this_offset].mv[1] = cur_mi_info.mv[1];
this_mi[this_offset].ref_frame[0] = cur_mi_info.ref_frame[0];
this_mi[this_offset].ref_frame[1] = cur_mi_info.ref_frame[1];
this_mi[this_offset].pred_mode = cur_mi_info.mode;
}
}
}
}
ctx->frame_info_count++;
return 0;
}
#define USE_SECOND_PASS_FILE 1
#if !USE_SECOND_PASS_FILE
// Parse the frames in the gop and determine the last frame of the current GOP.
// Decode more frames if necessary. The variable max_num is the maximum static
// GOP length if we detect an IPPP structure, and it is expected that max_mum >=
// MAX_GF_INTERVAL.
static void get_current_gop_end(THIRD_PASS_DEC_CTX *ctx, int max_num,
int *last_idx) {
assert(max_num >= MAX_GF_INTERVAL);
*last_idx = 0;
int cur_idx = 0;
int arf_order_hint = -1;
int num_show_frames = 0;
while (num_show_frames < max_num) {
assert(cur_idx < MAX_THIRD_PASS_BUF);
// Read in from bitstream if needed.
if (cur_idx >= ctx->frame_info_count) {
int ret = get_frame_info(ctx);
if (ret == 1) {
// At the end of the file, GOP ends in the prev frame.
if (arf_order_hint >= 0) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to derive GOP length.");
}
*last_idx = cur_idx - 1;
return;
}
if (ret < 0) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read frame for third pass.");
}
}
// TODO(bohanli): verify that fwd_kf works here.
if (ctx->frame_info[cur_idx].frame_type == KEY_FRAME &&
ctx->frame_info[cur_idx].is_show_frame) {
if (cur_idx != 0) {
// If this is a key frame and is not the first kf in this kf group, we
// have reached the next key frame. Stop here.
*last_idx = cur_idx - 1;
return;
}
} else if (!ctx->frame_info[cur_idx].is_show_frame &&
arf_order_hint == -1) {
// If this is an arf (the first no show)
if (num_show_frames <= 1) {
// This is an arf and we should end the GOP with its overlay.
arf_order_hint = ctx->frame_info[cur_idx].order_hint;
} else {
// There are multiple show frames before the this arf, so we treat the
// frames previous to this arf as a GOP.
*last_idx = cur_idx - 1;
return;
}
} else if (arf_order_hint >= 0 && ctx->frame_info[cur_idx].order_hint ==
(unsigned int)arf_order_hint) {
// If this is the overlay/show existing of the arf
assert(ctx->frame_info[cur_idx].is_show_frame);
*last_idx = cur_idx;
return;
} else {
// This frame is part of the GOP.
if (ctx->frame_info[cur_idx].is_show_frame) num_show_frames++;
}
cur_idx++;
}
// This is a long IPPP GOP and we will use a length of max_num here.
assert(arf_order_hint < 0);
*last_idx = max_num - 1;
return;
}
#endif
static inline void read_gop_frames(THIRD_PASS_DEC_CTX *ctx) {
int cur_idx = 0;
while (cur_idx < ctx->gop_info.num_frames) {
assert(cur_idx < MAX_THIRD_PASS_BUF);
// Read in from bitstream if needed.
if (cur_idx >= ctx->frame_info_count) {
int ret = get_frame_info(ctx);
if (ret != 0) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Failed to read frame for third pass.");
}
}
cur_idx++;
}
return;
}
void av1_set_gop_third_pass(THIRD_PASS_DEC_CTX *ctx) {
// Read in future frames in the current GOP.
read_gop_frames(ctx);
int gf_len = 0;
// Check the GOP length against the value read from second_pass_file
for (int i = 0; i < ctx->gop_info.num_frames; i++) {
if (ctx->frame_info[i].is_show_frame) gf_len++;
}
if (gf_len != ctx->gop_info.gf_length) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Mismatch in third pass GOP length!");
}
}
void av1_pop_third_pass_info(THIRD_PASS_DEC_CTX *ctx) {
if (ctx->frame_info_count == 0) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"No available frame info for third pass.");
}
ctx->frame_info_count--;
free_frame_info(&ctx->frame_info[0]);
for (int i = 0; i < ctx->frame_info_count; i++) {
ctx->frame_info[i] = ctx->frame_info[i + 1];
}
ctx->frame_info[ctx->frame_info_count].mi_info = NULL;
}
void av1_init_thirdpass_ctx(AV1_COMMON *cm, THIRD_PASS_DEC_CTX **ctx,
const char *file) {
av1_free_thirdpass_ctx(*ctx);
CHECK_MEM_ERROR(cm, *ctx, aom_calloc(1, sizeof(**ctx)));
THIRD_PASS_DEC_CTX *ctx_ptr = *ctx;
ctx_ptr->input_file_name = file;
ctx_ptr->prev_gop_end = -1;
ctx_ptr->err_info = cm->error;
}
void av1_free_thirdpass_ctx(THIRD_PASS_DEC_CTX *ctx) {
if (ctx == NULL) return;
if (ctx->decoder.iface) {
aom_codec_destroy(&ctx->decoder);
}
if (ctx->input_ctx && ctx->input_ctx->file) fclose(ctx->input_ctx->file);
aom_free(ctx->input_ctx);
if (ctx->buf) free(ctx->buf);
for (int i = 0; i < MAX_THIRD_PASS_BUF; i++) {
free_frame_info(&ctx->frame_info[i]);
}
aom_free(ctx);
}
void av1_write_second_pass_gop_info(AV1_COMP *cpi) {
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
const GF_GROUP *const gf_group = &cpi->ppi->gf_group;
const PRIMARY_RATE_CONTROL *const p_rc = &cpi->ppi->p_rc;
if (oxcf->pass == AOM_RC_SECOND_PASS && oxcf->second_pass_log) {
// Write the GOP length to a log file.
av1_open_second_pass_log(cpi, 0);
THIRD_PASS_GOP_INFO gop_info;
gop_info.num_frames = gf_group->size;
gop_info.use_arf = (gf_group->arf_index >= 0);
gop_info.gf_length = p_rc->baseline_gf_interval;
size_t count =
fwrite(&gop_info, sizeof(gop_info), 1, cpi->second_pass_log_stream);
if (count < 1) {
aom_internal_error(cpi->common.error, AOM_CODEC_ERROR,
"Could not write to second pass log file!");
}
}
}
void av1_write_second_pass_per_frame_info(AV1_COMP *cpi, int gf_index) {
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
const GF_GROUP *const gf_group = &cpi->ppi->gf_group;
if (oxcf->pass == AOM_RC_SECOND_PASS && oxcf->second_pass_log) {
// write target bitrate
int bits = gf_group->bit_allocation[gf_index];
size_t count = fwrite(&bits, sizeof(bits), 1, cpi->second_pass_log_stream);
if (count < 1) {
aom_internal_error(cpi->common.error, AOM_CODEC_ERROR,
"Could not write to second pass log file!");
}
// write sse
uint64_t sse = 0;
int pkt_idx = cpi->ppi->output_pkt_list->cnt - 1;
if (pkt_idx >= 0 &&
cpi->ppi->output_pkt_list->pkts[pkt_idx].kind == AOM_CODEC_PSNR_PKT) {
sse = cpi->ppi->output_pkt_list->pkts[pkt_idx].data.psnr.sse[0];
#if CONFIG_INTERNAL_STATS
} else if (cpi->ppi->b_calculate_psnr) {
sse = cpi->ppi->total_sq_error[0];
#endif
} else {
const YV12_BUFFER_CONFIG *orig = cpi->source;
const YV12_BUFFER_CONFIG *recon = &cpi->common.cur_frame->buf;
PSNR_STATS psnr;
#if CONFIG_AV1_HIGHBITDEPTH
const uint32_t in_bit_depth = cpi->oxcf.input_cfg.input_bit_depth;
const uint32_t bit_depth = cpi->td.mb.e_mbd.bd;
aom_calc_highbd_psnr(orig, recon, &psnr, bit_depth, in_bit_depth);
#else
aom_calc_psnr(orig, recon, &psnr);
#endif
sse = psnr.sse[0];
}
count = fwrite(&sse, sizeof(sse), 1, cpi->second_pass_log_stream);
if (count < 1) {
aom_internal_error(cpi->common.error, AOM_CODEC_ERROR,
"Could not write to second pass log file!");
}
// write bpm_factor
double factor = cpi->ppi->twopass.bpm_factor;
count = fwrite(&factor, sizeof(factor), 1, cpi->second_pass_log_stream);
if (count < 1) {
aom_internal_error(cpi->common.error, AOM_CODEC_ERROR,
"Could not write to second pass log file!");
}
}
}
void av1_open_second_pass_log(AV1_COMP *cpi, int is_read) {
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
if (oxcf->second_pass_log == NULL) {
aom_internal_error(cpi->common.error, AOM_CODEC_INVALID_PARAM,
"No second pass log file specified for the third pass!");
}
// Read the GOP length from a file.
if (!cpi->second_pass_log_stream) {
if (is_read) {
cpi->second_pass_log_stream = fopen(cpi->oxcf.second_pass_log, "rb");
} else {
cpi->second_pass_log_stream = fopen(cpi->oxcf.second_pass_log, "wb");
}
if (!cpi->second_pass_log_stream) {
aom_internal_error(cpi->common.error, AOM_CODEC_ERROR,
"Could not open second pass log file!");
}
}
}
void av1_close_second_pass_log(AV1_COMP *cpi) {
if (cpi->second_pass_log_stream) {
int ret = fclose(cpi->second_pass_log_stream);
if (ret != 0) {
aom_internal_error(cpi->common.error, AOM_CODEC_ERROR,
"Could not close second pass log file!");
}
cpi->second_pass_log_stream = 0;
}
}
void av1_read_second_pass_gop_info(FILE *second_pass_log_stream,
THIRD_PASS_GOP_INFO *gop_info,
struct aom_internal_error_info *error) {
size_t count = fread(gop_info, sizeof(*gop_info), 1, second_pass_log_stream);
if (count < 1) {
aom_internal_error(error, AOM_CODEC_ERROR,
"Could not read from second pass log file!");
}
}
void av1_read_second_pass_per_frame_info(
FILE *second_pass_log_stream, THIRD_PASS_FRAME_INFO *frame_info_arr,
int frame_info_count, struct aom_internal_error_info *error) {
for (int i = 0; i < frame_info_count; i++) {
// read target bits
int bits = 0;
size_t count = fread(&bits, sizeof(bits), 1, second_pass_log_stream);
if (count < 1) {
aom_internal_error(error, AOM_CODEC_ERROR,
"Could not read from second pass log file!");
}
frame_info_arr[i].bits_allocated = bits;
// read distortion
uint64_t sse;
count = fread(&sse, sizeof(sse), 1, second_pass_log_stream);
if (count < 1) {
aom_internal_error(error, AOM_CODEC_ERROR,
"Could not read from second pass log file!");
}
frame_info_arr[i].sse = sse;
// read bpm factor
double factor;
count = fread(&factor, sizeof(factor), 1, second_pass_log_stream);
if (count < 1) {
aom_internal_error(error, AOM_CODEC_ERROR,
"Could not read from second pass log file!");
}
frame_info_arr[i].bpm_factor = factor;
}
}
int av1_check_use_arf(THIRD_PASS_DEC_CTX *ctx) {
if (ctx == NULL) return -1;
int use_arf = 0;
for (int i = 0; i < ctx->gop_info.gf_length; i++) {
if (ctx->frame_info[i].order_hint != 0 &&
ctx->frame_info[i].is_show_frame == 0) {
use_arf = 1;
}
}
if (use_arf != ctx->gop_info.use_arf) {
aom_internal_error(ctx->err_info, AOM_CODEC_ERROR,
"Mismatch in third pass GOP length!");
}
return use_arf;
}
void av1_get_third_pass_ratio(THIRD_PASS_DEC_CTX *ctx, int fidx, int fheight,
int fwidth, double *ratio_h, double *ratio_w) {
assert(ctx);
assert(fidx < ctx->frame_info_count);
const int fheight_second_pass = ctx->frame_info[fidx].height;
const int fwidth_second_pass = ctx->frame_info[fidx].width;
assert(fheight_second_pass <= fheight && fwidth_second_pass <= fwidth);
*ratio_h = (double)fheight / fheight_second_pass;
*ratio_w = (double)fwidth / fwidth_second_pass;
}
THIRD_PASS_MI_INFO *av1_get_third_pass_mi(THIRD_PASS_DEC_CTX *ctx, int fidx,
int mi_row, int mi_col,
double ratio_h, double ratio_w) {
assert(ctx);
assert(fidx < ctx->frame_info_count);
const int mi_rows_second_pass = ctx->frame_info[fidx].mi_rows;
const int mi_cols_second_pass = ctx->frame_info[fidx].mi_cols;
const int mi_row_second_pass =
clamp((int)round(mi_row / ratio_h), 0, mi_rows_second_pass - 1);
const int mi_col_second_pass =
clamp((int)round(mi_col / ratio_w), 0, mi_cols_second_pass - 1);
const int mi_stride_second_pass = ctx->frame_info[fidx].mi_stride;
THIRD_PASS_MI_INFO *this_mi = ctx->frame_info[fidx].mi_info +
mi_row_second_pass * mi_stride_second_pass +
mi_col_second_pass;
return this_mi;
}
void av1_third_pass_get_adjusted_mi(THIRD_PASS_MI_INFO *third_pass_mi,
double ratio_h, double ratio_w, int *mi_row,
int *mi_col) {
*mi_row = (int)round(third_pass_mi->mi_row_start * ratio_h);
*mi_col = (int)round(third_pass_mi->mi_col_start * ratio_w);
}
int_mv av1_get_third_pass_adjusted_mv(THIRD_PASS_MI_INFO *this_mi,
double ratio_h, double ratio_w,
MV_REFERENCE_FRAME frame) {
assert(this_mi != NULL);
int_mv cur_mv;
cur_mv.as_int = INVALID_MV;
if (frame < LAST_FRAME || frame > ALTREF_FRAME) return cur_mv;
for (int r = 0; r < 2; r++) {
if (this_mi->ref_frame[r] == frame) {
cur_mv.as_mv.row = (int16_t)round(this_mi->mv[r].as_mv.row * ratio_h);
cur_mv.as_mv.col = (int16_t)round(this_mi->mv[r].as_mv.col * ratio_w);
}
}
return cur_mv;
}
BLOCK_SIZE av1_get_third_pass_adjusted_blk_size(THIRD_PASS_MI_INFO *this_mi,
double ratio_h,
double ratio_w) {
assert(this_mi != NULL);
BLOCK_SIZE bsize = BLOCK_INVALID;
const BLOCK_SIZE bsize_second_pass = this_mi->bsize;
assert(bsize_second_pass != BLOCK_INVALID);
const int w_second_pass = block_size_wide[bsize_second_pass];
const int h_second_pass = block_size_high[bsize_second_pass];
int part_type;
if (w_second_pass == h_second_pass) {
part_type = PARTITION_NONE;
} else if (w_second_pass / h_second_pass == 2) {
part_type = PARTITION_HORZ;
} else if (w_second_pass / h_second_pass == 4) {
part_type = PARTITION_HORZ_4;
} else if (h_second_pass / w_second_pass == 2) {
part_type = PARTITION_VERT;
} else if (h_second_pass / w_second_pass == 4) {
part_type = PARTITION_VERT_4;
} else {
part_type = PARTITION_INVALID;
}
assert(part_type != PARTITION_INVALID);
const int w = (int)(round(w_second_pass * ratio_w));
const int h = (int)(round(h_second_pass * ratio_h));
for (int i = 0; i < SQR_BLOCK_SIZES; i++) {
const BLOCK_SIZE this_bsize = subsize_lookup[part_type][i];
if (this_bsize == BLOCK_INVALID) continue;
const int this_w = block_size_wide[this_bsize];
const int this_h = block_size_high[this_bsize];
if (this_w >= w && this_h >= h) {
// find the smallest block size that contains the mapped block
bsize = this_bsize;
break;
}
}
if (bsize == BLOCK_INVALID) {
// could not find a proper one, just use the largest then.
bsize = BLOCK_128X128;
}
return bsize;
}
PARTITION_TYPE av1_third_pass_get_sb_part_type(THIRD_PASS_DEC_CTX *ctx,
THIRD_PASS_MI_INFO *this_mi) {
int mi_stride = ctx->frame_info[0].mi_stride;
int mi_row = this_mi->mi_row_start;
int mi_col = this_mi->mi_col_start;
THIRD_PASS_MI_INFO *corner_mi =
&ctx->frame_info[0].mi_info[mi_row * mi_stride + mi_col];
return corner_mi->partition;
}
#else // !(CONFIG_THREE_PASS && CONFIG_AV1_DECODER)
void av1_init_thirdpass_ctx(AV1_COMMON *cm, THIRD_PASS_DEC_CTX **ctx,
const char *file) {
(void)ctx;
(void)file;
aom_internal_error(cm->error, AOM_CODEC_ERROR,
"To utilize three-pass encoding, libaom must be built "
"with CONFIG_THREE_PASS=1 & CONFIG_AV1_DECODER=1.");
}
void av1_free_thirdpass_ctx(THIRD_PASS_DEC_CTX *ctx) { (void)ctx; }
void av1_set_gop_third_pass(THIRD_PASS_DEC_CTX *ctx) { (void)ctx; }
void av1_pop_third_pass_info(THIRD_PASS_DEC_CTX *ctx) { (void)ctx; }
void av1_open_second_pass_log(struct AV1_COMP *cpi, int is_read) {
(void)cpi;
(void)is_read;
}
void av1_close_second_pass_log(struct AV1_COMP *cpi) { (void)cpi; }
void av1_write_second_pass_gop_info(struct AV1_COMP *cpi) { (void)cpi; }
void av1_write_second_pass_per_frame_info(struct AV1_COMP *cpi, int gf_index) {
(void)cpi;
(void)gf_index;
}
void av1_read_second_pass_gop_info(FILE *second_pass_log_stream,
THIRD_PASS_GOP_INFO *gop_info,
struct aom_internal_error_info *error) {
(void)second_pass_log_stream;
(void)gop_info;
(void)error;
}
void av1_read_second_pass_per_frame_info(
FILE *second_pass_log_stream, THIRD_PASS_FRAME_INFO *frame_info_arr,
int frame_info_count, struct aom_internal_error_info *error) {
(void)second_pass_log_stream;
(void)frame_info_arr;
(void)frame_info_count;
(void)error;
}
int av1_check_use_arf(THIRD_PASS_DEC_CTX *ctx) {
(void)ctx;
return 1;
}
void av1_get_third_pass_ratio(THIRD_PASS_DEC_CTX *ctx, int fidx, int fheight,
int fwidth, double *ratio_h, double *ratio_w) {
(void)ctx;
(void)fidx;
(void)fheight;
(void)fwidth;
(void)ratio_h;
(void)ratio_w;
}
THIRD_PASS_MI_INFO *av1_get_third_pass_mi(THIRD_PASS_DEC_CTX *ctx, int fidx,
int mi_row, int mi_col,
double ratio_h, double ratio_w) {
(void)ctx;
(void)fidx;
(void)mi_row;
(void)mi_col;
(void)ratio_h;
(void)ratio_w;
return NULL;
}
int_mv av1_get_third_pass_adjusted_mv(THIRD_PASS_MI_INFO *this_mi,
double ratio_h, double ratio_w,
MV_REFERENCE_FRAME frame) {
(void)this_mi;
(void)ratio_h;
(void)ratio_w;
(void)frame;
int_mv mv;
mv.as_int = INVALID_MV;
return mv;
}
BLOCK_SIZE av1_get_third_pass_adjusted_blk_size(THIRD_PASS_MI_INFO *this_mi,
double ratio_h,
double ratio_w) {
(void)this_mi;
(void)ratio_h;
(void)ratio_w;
return BLOCK_INVALID;
}
void av1_third_pass_get_adjusted_mi(THIRD_PASS_MI_INFO *third_pass_mi,
double ratio_h, double ratio_w, int *mi_row,
int *mi_col) {
(void)third_pass_mi;
(void)ratio_h;
(void)ratio_w;
(void)mi_row;
(void)mi_col;
}
PARTITION_TYPE av1_third_pass_get_sb_part_type(THIRD_PASS_DEC_CTX *ctx,
THIRD_PASS_MI_INFO *this_mi) {
(void)ctx;
(void)this_mi;
return PARTITION_INVALID;
}
#endif // CONFIG_THREE_PASS && CONFIG_AV1_DECODER
#if CONFIG_BITRATE_ACCURACY
static void fwrite_and_check(const void *ptr, size_t size, size_t nmemb,
FILE *stream,
struct aom_internal_error_info *error) {
size_t count = fwrite(ptr, size, nmemb, stream);
if (count < nmemb) {
aom_internal_error(error, AOM_CODEC_ERROR, "fwrite_and_check failed\n");
}
}
static void fread_and_check(void *ptr, size_t size, size_t nmemb, FILE *stream,
struct aom_internal_error_info *error) {
size_t count = fread(ptr, size, nmemb, stream);
if (count < nmemb) {
aom_internal_error(error, AOM_CODEC_ERROR, "fread_and_check failed\n");
}
}
void av1_pack_tpl_info(TPL_INFO *tpl_info, const GF_GROUP *gf_group,
const TplParams *tpl_data) {
tpl_info->tpl_ready = tpl_data->ready;
if (tpl_info->tpl_ready) {
tpl_info->gf_length = gf_group->size;
for (int i = 0; i < tpl_info->gf_length; ++i) {
tpl_info->txfm_stats_list[i] = tpl_data->txfm_stats_list[i];
tpl_info->qstep_ratio_ls[i] = av1_tpl_get_qstep_ratio(tpl_data, i);
tpl_info->update_type_list[i] = gf_group->update_type[i];
}
}
}
void av1_write_tpl_info(const TPL_INFO *tpl_info, FILE *log_stream,
struct aom_internal_error_info *error) {
fwrite_and_check(&tpl_info->tpl_ready, sizeof(tpl_info->tpl_ready), 1,
log_stream, error);
if (tpl_info->tpl_ready) {
fwrite_and_check(&tpl_info->gf_length, sizeof(tpl_info->gf_length), 1,
log_stream, error);
assert(tpl_info->gf_length <= MAX_LENGTH_TPL_FRAME_STATS);
fwrite_and_check(&tpl_info->txfm_stats_list,
sizeof(tpl_info->txfm_stats_list[0]), tpl_info->gf_length,
log_stream, error);
fwrite_and_check(&tpl_info->qstep_ratio_ls,
sizeof(tpl_info->qstep_ratio_ls[0]), tpl_info->gf_length,
log_stream, error);
fwrite_and_check(&tpl_info->update_type_list,
sizeof(tpl_info->update_type_list[0]), tpl_info->gf_length,
log_stream, error);
}
}
void av1_read_tpl_info(TPL_INFO *tpl_info, FILE *log_stream,
struct aom_internal_error_info *error) {
av1_zero(*tpl_info);
fread_and_check(&tpl_info->tpl_ready, sizeof(tpl_info->tpl_ready), 1,
log_stream, error);
if (tpl_info->tpl_ready) {
fread_and_check(&tpl_info->gf_length, sizeof(tpl_info->gf_length), 1,
log_stream, error);
assert(tpl_info->gf_length <= MAX_LENGTH_TPL_FRAME_STATS);
fread_and_check(&tpl_info->txfm_stats_list,
sizeof(tpl_info->txfm_stats_list[0]), tpl_info->gf_length,
log_stream, error);
fread_and_check(&tpl_info->qstep_ratio_ls,
sizeof(tpl_info->qstep_ratio_ls[0]), tpl_info->gf_length,
log_stream, error);
fread_and_check(&tpl_info->update_type_list,
sizeof(tpl_info->update_type_list[0]), tpl_info->gf_length,
log_stream, error);
}
}
#endif // CONFIG_BITRATE_ACCURACY