Google Git
Sign in
aomedia / avm / f78d0becd3b425c02b233f769acfb62213802b77 / . / av1 / decoder / decoder.c
blob: bfe1682e427586b305df4ecd0c9460f2175230d0 [file] [log] [blame]
/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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
* aomedia.org/license/patent-license/.
*/
#include <assert.h>
#include <limits.h>
#include <stdio.h>
#include "config/av1_rtcd.h"
#include "config/aom_dsp_rtcd.h"
#include "config/aom_scale_rtcd.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_mem/aom_mem.h"
#include "aom_ports/system_state.h"
#include "aom_ports/aom_once.h"
#include "aom_ports/aom_timer.h"
#include "aom_scale/aom_scale.h"
#include "aom_util/aom_thread.h"
#if CONFIG_MISMATCH_DEBUG
#include "aom_util/debug_util.h"
#endif // CONFIG_MISMATCH_DEBUG
#include "av1/common/alloccommon.h"
#include "av1/common/av1_common_int.h"
#include "av1/common/av1_loopfilter.h"
#if CONFIG_BRU
#include "av1/common/bru.h"
#endif // CONFIG_BRU
#include "av1/common/pred_common.h"
#include "av1/common/quant_common.h"
#include "av1/common/reconinter.h"
#include "av1/common/reconintra.h"
#include "av1/decoder/decodeframe.h"
#include "av1/decoder/decoder.h"
#include "av1/decoder/detokenize.h"
#include "av1/decoder/obu.h"
#if CONFIG_PARAKIT_COLLECT_DATA
#include "av1/common/entropy_sideinfo.h"
int beginningFrameFlag[MAX_NUMBER_CONTEXTS][MAX_DIMS_CONTEXT3]
[MAX_DIMS_CONTEXT2][MAX_DIMS_CONTEXT1][MAX_DIMS_CONTEXT0];
#endif
static void initialize_dec(void) {
av1_rtcd();
aom_dsp_rtcd();
aom_scale_rtcd();
av1_init_intra_predictors();
av1_init_wedge_masks();
av1_init_stxfm_kernels();
}
static void update_subgop_stats(const AV1_COMMON *const cm,
SubGOPStatsDec *const subgop_stats,
unsigned int display_order_hint,
unsigned int enable_subgop_stats) {
if (!enable_subgop_stats) return;
// Update subgop related frame data.
subgop_stats->disp_frame_idx[subgop_stats->stat_count] = display_order_hint;
subgop_stats->show_existing_frame[subgop_stats->stat_count] =
cm->show_existing_frame;
subgop_stats->show_frame[subgop_stats->stat_count] = cm->show_frame;
subgop_stats->qindex[subgop_stats->stat_count] = cm->quant_params.base_qindex;
subgop_stats->refresh_frame_flags[subgop_stats->stat_count] =
cm->current_frame.refresh_frame_flags;
for (MV_REFERENCE_FRAME ref_frame = 0; ref_frame < cm->seq_params.ref_frames;
++ref_frame)
subgop_stats->ref_frame_map[subgop_stats->stat_count][ref_frame] =
cm->ref_frame_map[ref_frame]->order_hint;
assert(subgop_stats->stat_count < MAX_SUBGOP_STATS_SIZE);
subgop_stats->stat_count++;
}
static void dec_set_mb_mi(CommonModeInfoParams *mi_params, int width,
int height) {
// Ensure that the decoded width and height are both multiples of
// 8 luma pixels (note: this may only be a multiple of 4 chroma pixels if
// subsampling is used).
// This simplifies the implementation of various experiments,
// eg. cdef, which operates on units of 8x8 luma pixels.
const int aligned_width = ALIGN_POWER_OF_TWO(width, 3);
const int aligned_height = ALIGN_POWER_OF_TWO(height, 3);
mi_params->mi_cols = aligned_width >> MI_SIZE_LOG2;
mi_params->mi_rows = aligned_height >> MI_SIZE_LOG2;
mi_params->mi_stride = calc_mi_size(mi_params->mi_cols);
mi_params->mb_cols = (mi_params->mi_cols + 2) >> 2;
mi_params->mb_rows = (mi_params->mi_rows + 2) >> 2;
mi_params->MBs = mi_params->mb_rows * mi_params->mb_cols;
mi_params->mi_alloc_bsize = BLOCK_4X4;
mi_params->mi_alloc_stride = mi_params->mi_stride;
assert(mi_size_wide[mi_params->mi_alloc_bsize] ==
mi_size_high[mi_params->mi_alloc_bsize]);
}
static void dec_setup_mi(CommonModeInfoParams *mi_params) {
const int mi_grid_size =
mi_params->mi_stride * calc_mi_size(mi_params->mi_rows);
memset(mi_params->mi_grid_base, 0,
mi_grid_size * sizeof(*mi_params->mi_grid_base));
memset(mi_params->submi_grid_base, 0,
mi_grid_size * sizeof(*mi_params->submi_grid_base));
memset(mi_params->cctx_type_map, 0,
mi_grid_size * sizeof(*mi_params->cctx_type_map));
av1_reset_txk_skip_array_using_mi_params(mi_params);
}
static void dec_free_mi(CommonModeInfoParams *mi_params) {
aom_free(mi_params->mi_alloc);
mi_params->mi_alloc = NULL;
aom_free(mi_params->mi_grid_base);
mi_params->mi_grid_base = NULL;
aom_free(mi_params->mi_alloc_sub);
mi_params->mi_alloc_sub = NULL;
aom_free(mi_params->submi_grid_base);
mi_params->submi_grid_base = NULL;
mi_params->mi_alloc_size = 0;
aom_free(mi_params->tx_type_map);
mi_params->tx_type_map = NULL;
aom_free(mi_params->cctx_type_map);
mi_params->cctx_type_map = NULL;
av1_dealloc_class_id_array(mi_params);
av1_dealloc_txk_skip_array(mi_params);
}
static INLINE void dec_init_tip_ref_frame(AV1_COMMON *const cm) {
TIP *tip_ref = &cm->tip_ref;
tip_ref->tip_frame = aom_calloc(1, sizeof(*tip_ref->tip_frame));
tip_ref->tmp_tip_frame = aom_calloc(1, sizeof(*tip_ref->tmp_tip_frame));
}
static INLINE void dec_free_tip_ref_frame(AV1_COMMON *const cm) {
aom_free(cm->tip_ref.mf_need_clamp);
cm->tip_ref.mf_need_clamp = NULL;
aom_free_frame_buffer(&cm->tip_ref.tip_frame->buf);
aom_free(cm->tip_ref.tip_frame);
cm->tip_ref.tip_frame = NULL;
aom_free_frame_buffer(&cm->tip_ref.tmp_tip_frame->buf);
aom_free(cm->tip_ref.tmp_tip_frame);
cm->tip_ref.tmp_tip_frame = NULL;
}
static INLINE void dec_init_optflow_bufs(AV1_COMMON *const cm) {
cm->dst0_16_tip = aom_memalign(32, 8 * 8 * sizeof(uint16_t));
cm->dst1_16_tip = aom_memalign(32, 8 * 8 * sizeof(uint16_t));
cm->gx0 = aom_memalign(32, 2 * 8 * 8 * sizeof(*cm->gx0));
cm->gx1 = aom_memalign(32, 2 * 8 * 8 * sizeof(*cm->gx1));
cm->gy0 = cm->gx0 + (8 * 8);
cm->gy1 = cm->gx1 + (8 * 8);
}
static INLINE void dec_free_optflow_bufs(AV1_COMMON *const cm) {
aom_free(cm->dst0_16_tip);
aom_free(cm->dst1_16_tip);
aom_free(cm->gx0);
aom_free(cm->gx1);
}
#if CONFIG_PARAKIT_COLLECT_DATA
AV1Decoder *av1_decoder_create(BufferPool *const pool, const char *path,
const char *suffix) {
#else
AV1Decoder *av1_decoder_create(BufferPool *const pool) {
#endif
AV1Decoder *volatile const pbi = aom_memalign(32, sizeof(*pbi));
if (!pbi) return NULL;
av1_zero(*pbi);
AV1_COMMON *volatile const cm = &pbi->common;
// The jmp_buf is valid only for the duration of the function that calls
// setjmp(). Therefore, this function must reset the 'setjmp' field to 0
// before it returns.
if (setjmp(cm->error.jmp)) {
cm->error.setjmp = 0;
av1_decoder_remove(pbi);
return NULL;
}
cm->error.setjmp = 1;
CHECK_MEM_ERROR(cm, cm->fc,
(FRAME_CONTEXT *)aom_memalign(32, sizeof(*cm->fc)));
CHECK_MEM_ERROR(
cm, cm->default_frame_context,
(FRAME_CONTEXT *)aom_memalign(32, sizeof(*cm->default_frame_context)));
memset(cm->fc, 0, sizeof(*cm->fc));
memset(cm->default_frame_context, 0, sizeof(*cm->default_frame_context));
pbi->need_resync = 1;
aom_once(initialize_dec);
// Initialize the references to not point to any frame buffers.
for (int i = 0; i < cm->seq_params.ref_frames; i++) {
cm->ref_frame_map[i] = NULL;
}
cm->current_frame.frame_number = 0;
pbi->decoding_first_frame = 1;
pbi->common.buffer_pool = pool;
cm->seq_params.bit_depth = AOM_BITS_8;
cm->mi_params.free_mi = dec_free_mi;
cm->mi_params.setup_mi = dec_setup_mi;
cm->mi_params.set_mb_mi = dec_set_mb_mi;
#if CONFIG_COMBINE_PC_NS_WIENER
cm->frame_filter_dictionary_stride = 0;
cm->frame_filter_dictionary = NULL;
cm->translated_pcwiener_filters = NULL;
cm->num_ref_filters = NULL;
#endif // CONFIG_COMBINE_PC_NS_WIENER
av1_loop_filter_init(cm);
SequenceHeader *seq_params = &cm->seq_params;
// Allocate memory for fundamental QM arrays, in case the coded video
// sequence requires custom QMs (i.e. seq->user_defined_qmatrix == 1)
// av1_qm_init_dequant_only() is called when we process a sequence header OBU.
seq_params->quantizer_matrix_8x8 = av1_alloc_qm(8, 8);
seq_params->quantizer_matrix_8x4 = av1_alloc_qm(8, 4);
seq_params->quantizer_matrix_4x8 = av1_alloc_qm(4, 8);
#if CONFIG_ACCOUNTING
pbi->acct_enabled = 1;
aom_accounting_init(&pbi->accounting);
#endif
dec_init_tip_ref_frame(cm);
dec_init_optflow_bufs(cm);
cm->error.setjmp = 0;
aom_get_worker_interface()->init(&pbi->lf_worker);
pbi->lf_worker.thread_name = "aom lf worker";
#if DEBUG_EXTQUANT
cm->fDecCoeffLog = fopen("DecCoeffLog.txt", "wt");
#endif
#if CONFIG_PARAKIT_COLLECT_DATA
#include "av1/common/entropy_inits_coeffs.h"
#include "av1/common/entropy_inits_modes.h"
#include "av1/common/entropy_inits_mv.h"
// @ParaKit: add side information needed in array of prob_models structure to
// be used in collecting data
cm->prob_models[EOB_FLAG_CDF16] =
(ProbModelInfo){ .ctx_group_name = "eob_flag_cdf16",
.prob = (aom_cdf_prob *)av1_default_eob_multi16_cdfs,
.cdf_stride = 0,
.num_symb = 5,
.num_dim = 2,
.num_idx = { 0, 0, 4, 3 } };
cm->prob_models[EOB_FLAG_CDF32] =
(ProbModelInfo){ .ctx_group_name = "eob_flag_cdf32",
.prob = (aom_cdf_prob *)av1_default_eob_multi32_cdfs,
.cdf_stride = 0,
.num_symb = 6,
.num_dim = 2,
.num_idx = { 0, 0, 4, 3 } };
for (int i = 0; i < MAX_NUM_CTX_GROUPS; i++) {
for (int j = 0; j < MAX_DIMS_CONTEXT3; j++)
for (int k = 0; k < MAX_DIMS_CONTEXT2; k++)
for (int l = 0; l < MAX_DIMS_CONTEXT1; l++)
for (int h = 0; h < MAX_DIMS_CONTEXT0; h++)
beginningFrameFlag[i][j][k][l][h] = 0;
}
for (int f = 0; f < MAX_NUM_CTX_GROUPS; f++) {
cm->prob_models[f].model_idx = f;
const int fixed_stride = cm->prob_models[f].cdf_stride;
const int num_sym = cm->prob_models[f].num_symb;
const int num_dims = cm->prob_models[f].num_dim;
const int num_idx0 = cm->prob_models[f].num_idx[0];
const int num_idx1 = cm->prob_models[f].num_idx[1];
const int num_idx2 = cm->prob_models[f].num_idx[2];
const int num_idx3 = cm->prob_models[f].num_idx[3];
const char *str_ctx = cm->prob_models[f].ctx_group_name;
const char *str_path = path ? path : ".";
const char *str_suffix = suffix ? suffix : "data";
char filename[2048];
sprintf(filename, "%s/Stat_%s_%s.csv", str_path, str_ctx, str_suffix);
FILE *fData = fopen(filename, "wt");
cm->prob_models[f].fDataCollect = fData;
fprintf(fData, "Header:%s,%d,%d", str_ctx, num_sym, num_dims);
const int dim_offset = MAX_CTX_DIM - num_dims;
for (int i = 0; i < num_dims; i++) {
fprintf(fData, ",%d", cm->prob_models[f].num_idx[i + dim_offset]);
}
fprintf(fData, "\n");
aom_cdf_prob *prob_ptr;
prob_ptr = cm->prob_models[f].prob;
int ctx_group_counter = 0;
for (int d0 = 0; d0 < (num_idx0 == 0 ? 1 : num_idx0); d0++)
for (int d1 = 0; d1 < (num_idx1 == 0 ? 1 : num_idx1); d1++)
for (int d2 = 0; d2 < (num_idx2 == 0 ? 1 : num_idx2); d2++)
for (int d3 = 0; d3 < (num_idx3 == 0 ? 1 : num_idx3); d3++) {
// indexing according to MAX_CTX_DIM
fprintf(fData, "%d,%d,%d,%d,%d,", ctx_group_counter, d0, d1, d2,
d3);
ctx_group_counter++;
for (int sym = 0; sym < CDF_SIZE(num_sym); sym++) {
int cdf_stride = (fixed_stride == 0) ? num_sym : fixed_stride;
int offset =
(d0 * num_idx3 * num_idx2 * num_idx1 * CDF_SIZE(cdf_stride)) +
(d1 * num_idx3 * num_idx2 * CDF_SIZE(cdf_stride)) +
(d2 * num_idx3 * CDF_SIZE(cdf_stride)) +
(d3 * CDF_SIZE(cdf_stride)) + sym;
if (sym < num_sym)
fprintf(fData, "%d", (int)AOM_ICDF(*(prob_ptr + offset)));
else
fprintf(fData, "%d", (int)*(prob_ptr + offset));
if (sym < CDF_SIZE(num_sym - 1)) {
fprintf(fData, ",");
} else {
fprintf(fData, "\n");
}
}
}
// main header
for (int i = 0; i < num_dims; i++) {
fprintf(fData, "Dim%d,", i);
}
fprintf(fData, "FrameNum,FrameType,isBeginFrame,Counter,Value,Cost");
for (int sym = 0; sym < num_sym; sym++) {
fprintf(fData, ",cdf%d", sym);
}
fprintf(fData, ",rate");
fprintf(fData, "\n");
}
#endif
return pbi;
}
void av1_dealloc_dec_jobs(struct AV1DecTileMTData *tile_mt_info) {
if (tile_mt_info != NULL) {
#if CONFIG_MULTITHREAD
if (tile_mt_info->job_mutex != NULL) {
pthread_mutex_destroy(tile_mt_info->job_mutex);
aom_free(tile_mt_info->job_mutex);
}
#endif
aom_free(tile_mt_info->job_queue);
// clear the structure as the source of this call may be a resize in which
// case this call will be followed by an _alloc() which may fail.
av1_zero(*tile_mt_info);
}
}
void av1_dec_free_cb_buf(AV1Decoder *pbi) {
aom_free(pbi->cb_buffer_base);
pbi->cb_buffer_base = NULL;
pbi->cb_buffer_alloc_size = 0;
}
void av1_decoder_remove(AV1Decoder *pbi) {
int i;
if (!pbi) return;
// Free the tile list output buffer.
aom_free_frame_buffer(&pbi->tile_list_outbuf);
aom_get_worker_interface()->end(&pbi->lf_worker);
aom_free(pbi->lf_worker.data1);
if (pbi->thread_data) {
for (int worker_idx = 0; worker_idx < pbi->max_threads - 1; worker_idx++) {
DecWorkerData *const thread_data = pbi->thread_data + worker_idx;
av1_free_mc_tmp_buf(thread_data->td);
av1_free_opfl_tmp_bufs(thread_data->td);
aom_free(thread_data->td);
}
aom_free(pbi->thread_data);
}
for (i = 0; i < pbi->num_workers; ++i) {
AVxWorker *const worker = &pbi->tile_workers[i];
aom_get_worker_interface()->end(worker);
}
#if CONFIG_MULTITHREAD
if (pbi->row_mt_mutex_ != NULL) {
pthread_mutex_destroy(pbi->row_mt_mutex_);
aom_free(pbi->row_mt_mutex_);
}
if (pbi->row_mt_cond_ != NULL) {
pthread_cond_destroy(pbi->row_mt_cond_);
aom_free(pbi->row_mt_cond_);
}
#endif
for (i = 0; i < pbi->allocated_tiles; i++) {
TileDataDec *const tile_data = pbi->tile_data + i;
av1_dec_row_mt_dealloc(&tile_data->dec_row_mt_sync);
}
aom_free(pbi->tile_data);
aom_free(pbi->tile_workers);
if (pbi->num_workers > 0) {
av1_loop_filter_dealloc(&pbi->lf_row_sync);
av1_loop_restoration_dealloc(&pbi->lr_row_sync, pbi->num_workers);
av1_dealloc_dec_jobs(&pbi->tile_mt_info);
}
dec_free_tip_ref_frame(&pbi->common);
dec_free_optflow_bufs(&pbi->common);
#if CONFIG_BRU
free_bru_info(&pbi->common);
#endif // CONFIG_BRU
av1_dec_free_cb_buf(pbi);
#if CONFIG_ACCOUNTING
aom_accounting_clear(&pbi->accounting);
#endif
av1_free_mc_tmp_buf(&pbi->td);
av1_free_opfl_tmp_bufs(&pbi->td);
aom_img_metadata_array_free(pbi->metadata);
#if DEBUG_EXTQUANT
if (pbi->common.fDecCoeffLog != NULL) {
fclose(pbi->common.fDecCoeffLog);
}
#endif
#if CONFIG_PARAKIT_COLLECT_DATA
for (int f = 0; f < MAX_NUM_CTX_GROUPS; f++) {
if (pbi->common.prob_models[f].fDataCollect != NULL) {
fclose(pbi->common.prob_models[f].fDataCollect);
}
}
#endif
av1_free_qm(pbi->common.seq_params.quantizer_matrix_8x8);
av1_free_qm(pbi->common.seq_params.quantizer_matrix_8x4);
av1_free_qm(pbi->common.seq_params.quantizer_matrix_4x8);
aom_free(pbi);
}
void av1_visit_palette(AV1Decoder *const pbi, MACROBLOCKD *const xd,
aom_reader *r, palette_visitor_fn_t visit) {
if (!is_inter_block(xd->mi[0], xd->tree_type)) {
const int plane_start = get_partition_plane_start(xd->tree_type);
const int plane_end = get_partition_plane_end(
xd->tree_type, AOMMIN(2, av1_num_planes(&pbi->common)));
for (int plane = plane_start; plane < plane_end; ++plane) {
if (plane == 0 || xd->is_chroma_ref) {
if (xd->mi[0]->palette_mode_info.palette_size[plane])
visit(xd, plane, r);
} else {
assert(xd->mi[0]->palette_mode_info.palette_size[plane] == 0);
}
}
}
}
static int equal_dimensions(const YV12_BUFFER_CONFIG *a,
const YV12_BUFFER_CONFIG *b) {
return a->y_height == b->y_height && a->y_width == b->y_width &&
a->uv_height == b->uv_height && a->uv_width == b->uv_width;
}
aom_codec_err_t av1_copy_reference_dec(AV1Decoder *pbi, int idx,
YV12_BUFFER_CONFIG *sd) {
AV1_COMMON *cm = &pbi->common;
const int num_planes = av1_num_planes(cm);
const YV12_BUFFER_CONFIG *const cfg = get_ref_frame(cm, idx);
if (cfg == NULL) {
aom_internal_error(&cm->error, AOM_CODEC_ERROR, "No reference frame");
return AOM_CODEC_ERROR;
}
if (!equal_dimensions(cfg, sd))
aom_internal_error(&cm->error, AOM_CODEC_ERROR,
"Incorrect buffer dimensions");
else
aom_yv12_copy_frame(cfg, sd, num_planes);
return cm->error.error_code;
}
static int equal_dimensions_and_border(const YV12_BUFFER_CONFIG *a,
const YV12_BUFFER_CONFIG *b) {
return a->y_height == b->y_height && a->y_width == b->y_width &&
a->uv_height == b->uv_height && a->uv_width == b->uv_width &&
a->y_stride == b->y_stride && a->uv_stride == b->uv_stride &&
a->border == b->border;
}
aom_codec_err_t av1_set_reference_dec(AV1_COMMON *cm, int idx,
int use_external_ref,
YV12_BUFFER_CONFIG *sd) {
const int num_planes = av1_num_planes(cm);
YV12_BUFFER_CONFIG *ref_buf = NULL;
// Get the destination reference buffer.
ref_buf = get_ref_frame(cm, idx);
if (ref_buf == NULL) {
aom_internal_error(&cm->error, AOM_CODEC_ERROR, "No reference frame");
return AOM_CODEC_ERROR;
}
if (!use_external_ref) {
if (!equal_dimensions(ref_buf, sd)) {
aom_internal_error(&cm->error, AOM_CODEC_ERROR,
"Incorrect buffer dimensions");
} else {
// Overwrite the reference frame buffer.
aom_yv12_copy_frame(sd, ref_buf, num_planes);
}
} else {
if (!equal_dimensions_and_border(ref_buf, sd)) {
aom_internal_error(&cm->error, AOM_CODEC_ERROR,
"Incorrect buffer dimensions");
} else {
// Overwrite the reference frame buffer pointers.
// Once we no longer need the external reference buffer, these pointers
// are restored.
ref_buf->store_buf_adr[0] = ref_buf->y_buffer;
ref_buf->store_buf_adr[1] = ref_buf->u_buffer;
ref_buf->store_buf_adr[2] = ref_buf->v_buffer;
ref_buf->y_buffer = sd->y_buffer;
ref_buf->u_buffer = sd->u_buffer;
ref_buf->v_buffer = sd->v_buffer;
ref_buf->use_external_reference_buffers = 1;
}
}
return cm->error.error_code;
}
aom_codec_err_t av1_copy_new_frame_dec(AV1_COMMON *cm,
YV12_BUFFER_CONFIG *new_frame,
YV12_BUFFER_CONFIG *sd) {
const int num_planes = av1_num_planes(cm);
if (!equal_dimensions_and_border(new_frame, sd))
aom_internal_error(&cm->error, AOM_CODEC_ERROR,
"Incorrect buffer dimensions");
else
aom_yv12_copy_frame(new_frame, sd, num_planes);
return cm->error.error_code;
}
static void release_current_frame(AV1Decoder *pbi) {
AV1_COMMON *const cm = &pbi->common;
BufferPool *const pool = cm->buffer_pool;
cm->cur_frame->buf.corrupted = 1;
lock_buffer_pool(pool);
decrease_ref_count(cm->cur_frame, pool);
unlock_buffer_pool(pool);
cm->cur_frame = NULL;
}
// This function outputs frames that are ready to be output.
// The output frames may be the output trigger frame along with
// past frames that have not yet been output,
// and/or future frames that are continuous with the output trigger frame.
// The output trigger frame is the current frame or
// the frame to be flushed out from the ref_frame_map slot.
// ref_idx == -1 indicates the output process is trigged by
// decoding the current frame.
void output_frame_buffers(AV1Decoder *pbi, int ref_idx) {
AV1_COMMON *const cm = &pbi->common;
RefCntBuffer *trigger_frame = NULL;
RefCntBuffer *output_candidate = NULL;
// Determine if the triggering frame is the current frame or a frame
// already stored in the refrence buffer.
trigger_frame = (ref_idx >= 0) ? cm->ref_frame_map[ref_idx] : cm->cur_frame;
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
// Add the previous frames into the output queue.
do {
output_candidate = trigger_frame;
for (int i = 0; i < cm->seq_params.ref_frames; i++) {
if (is_frame_eligible_for_output(cm->ref_frame_map[i]) &&
cm->ref_frame_map[i]->display_order_hint <
output_candidate->display_order_hint) {
output_candidate = cm->ref_frame_map[i];
}
}
if (output_candidate != trigger_frame) {
assign_output_frame_buffer_p(
&pbi->output_frames[pbi->num_output_frames++], output_candidate);
output_candidate->frame_output_done = 1;
#if CONFIG_BITSTREAM_DEBUG
aom_bitstream_queue_set_frame_read(output_candidate->order_hint * 2 + 1);
#endif // CONFIG_BITSTREAM_DEBUG
#if CONFIG_MISMATCH_DEBUG
mismatch_move_frame_idx_r(0);
#endif // CONFIG_MISMATCH_DEBUG
}
} while (output_candidate != trigger_frame);
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
// Add the output triggering frame into the output queue.
assign_output_frame_buffer_p(&pbi->output_frames[pbi->num_output_frames++],
trigger_frame);
trigger_frame->frame_output_done = 1;
#if CONFIG_BITSTREAM_DEBUG
if (trigger_frame->order_hint != cm->cur_frame->order_hint) {
aom_bitstream_queue_set_frame_read(trigger_frame->order_hint * 2 + 1);
}
#endif // CONFIG_BITSTREAM_DEBUG
#if CONFIG_MISMATCH_DEBUG
if (trigger_frame->display_order_hint != cm->cur_frame->display_order_hint)
mismatch_move_frame_idx_r(0);
#endif // CONFIG_MISMATCH_DEBUG
// Add the next frames (showable_frame == 1) into the output queue.
int successive_output = 1;
for (int k = 1; k <= cm->seq_params.ref_frames && successive_output > 0;
k++) {
unsigned int next_disp_order = trigger_frame->display_order_hint + k;
successive_output = 0;
for (int i = 0; i < cm->seq_params.ref_frames; i++) {
if (is_frame_eligible_for_output(cm->ref_frame_map[i]) &&
cm->ref_frame_map[i]->display_order_hint == next_disp_order) {
assign_output_frame_buffer_p(
&pbi->output_frames[pbi->num_output_frames++],
cm->ref_frame_map[i]);
cm->ref_frame_map[i]->frame_output_done = 1;
successive_output++;
#if CONFIG_BITSTREAM_DEBUG
aom_bitstream_queue_set_frame_read(next_disp_order * 2 + 1);
#endif // CONFIG_BITSTREAM_DEBUG
#if CONFIG_MISMATCH_DEBUG
mismatch_move_frame_idx_r(0);
#endif // CONFIG_MISMATCH_DEBUG
}
}
}
}
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
// This function outputs all frames from the frame buffers that are showable but
// have not yet been output in the previous CVS.
void output_trailing_frames(AV1Decoder *pbi) {
AV1_COMMON *const cm = &pbi->common;
RefCntBuffer *output_candidate = NULL;
RefCntBuffer *trigger_frame = NULL;
int display_order = -1;
int target_idx = -1;
for (int i = 0; i < REF_FRAMES; i++) {
if (is_frame_eligible_for_output(cm->ref_frame_map[i]) &&
((int)cm->ref_frame_map[i]->display_order_hint > display_order)) {
display_order = cm->ref_frame_map[i]->display_order_hint;
target_idx = i;
}
}
if (target_idx >= 0) {
trigger_frame = cm->ref_frame_map[target_idx];
do {
output_candidate = trigger_frame;
for (int i = 0; i < REF_FRAMES; i++) {
if (is_frame_eligible_for_output(cm->ref_frame_map[i]) &&
cm->ref_frame_map[i]->display_order_hint <
output_candidate->display_order_hint) {
output_candidate = cm->ref_frame_map[i];
}
}
assign_output_frame_buffer_p(
&pbi->output_frames[pbi->num_output_frames++], output_candidate);
output_candidate->frame_output_done = 1;
} while (output_candidate != trigger_frame);
}
}
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
// If any buffer updating is signaled it should be done here.
// Consumes a reference to cm->cur_frame.
//
// This functions returns void. It reports failure by setting
// cm->error.error_code.
static void update_frame_buffers(AV1Decoder *pbi, int frame_decoded) {
int ref_index = 0;
AV1_COMMON *const cm = &pbi->common;
BufferPool *const pool = cm->buffer_pool;
pbi->output_frames_offset = 0;
if (frame_decoded) {
lock_buffer_pool(pool);
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
if (cm->current_frame.frame_type == KEY_FRAME && cm->show_frame &&
cm->current_frame.refresh_frame_flags == 0xff)
output_trailing_frames(pbi);
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
// In ext-tile decoding, the camera frame header is only decoded once. So,
// we don't update the references here.
if (!pbi->camera_frame_header_ready) {
// The following for loop needs to release the reference stored in
// cm->ref_frame_map[ref_index] before storing a reference to
// cm->cur_frame in cm->ref_frame_map[ref_index].
#if CONFIG_BRU
if (!pbi->bru_opt_mode || (pbi->bru_opt_mode && !cm->bru.enabled)) {
#endif // CONFIG_BRU
for (int mask = cm->current_frame.refresh_frame_flags; mask;
mask >>= 1) {
if (mask & 1) {
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
if (cm->seq_params.enable_frame_output_order &&
is_frame_eligible_for_output(cm->ref_frame_map[ref_index]))
output_frame_buffers(pbi, ref_index);
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
decrease_ref_count(cm->ref_frame_map[ref_index], pool);
cm->ref_frame_map[ref_index] = cm->cur_frame;
++cm->cur_frame->ref_count;
}
++ref_index;
}
#if CONFIG_BRU
}
#endif // CONFIG_BRU
update_subgop_stats(cm, &pbi->subgop_stats, cm->cur_frame->order_hint,
pbi->enable_subgop_stats);
}
if (cm->seq_params.order_hint_info.enable_order_hint &&
cm->seq_params.enable_frame_output_order &&
((cm->show_frame && !cm->cur_frame->frame_output_done) ||
cm->show_existing_frame)) {
output_frame_buffers(pbi, -1);
decrease_ref_count(cm->cur_frame, pool);
} else if ((!cm->seq_params.order_hint_info.enable_order_hint ||
!cm->seq_params.enable_frame_output_order) &&
(cm->show_existing_frame || cm->show_frame)) {
if (pbi->output_all_layers) {
// Append this frame to the output queue
if (pbi->num_output_frames >= MAX_NUM_SPATIAL_LAYERS) {
// We can't store the new frame anywhere, so drop it and return an
// error
cm->cur_frame->buf.corrupted = 1;
decrease_ref_count(cm->cur_frame, pool);
cm->error.error_code = AOM_CODEC_UNSUP_BITSTREAM;
} else {
pbi->output_frames[pbi->num_output_frames] = cm->cur_frame;
pbi->num_output_frames++;
}
} else {
// Replace any existing output frame
assert(pbi->num_output_frames == 0 || pbi->num_output_frames == 1);
if (pbi->num_output_frames > 0) {
decrease_ref_count(pbi->output_frames[0], pool);
}
pbi->output_frames[0] = cm->cur_frame;
pbi->num_output_frames = 1;
}
} else {
decrease_ref_count(cm->cur_frame, pool);
}
unlock_buffer_pool(pool);
} else {
// Nothing was decoded, so just drop this frame buffer
lock_buffer_pool(pool);
decrease_ref_count(cm->cur_frame, pool);
unlock_buffer_pool(pool);
}
cm->cur_frame = NULL;
if (!pbi->camera_frame_header_ready) {
// Invalidate these references until the next frame starts.
for (ref_index = 0; ref_index < INTER_REFS_PER_FRAME; ref_index++) {
cm->remapped_ref_idx[ref_index] = INVALID_IDX;
}
}
}
int av1_receive_compressed_data(AV1Decoder *pbi, size_t size,
const uint8_t **psource) {
AV1_COMMON *volatile const cm = &pbi->common;
const uint8_t *source = *psource;
cm->error.error_code = AOM_CODEC_OK;
cm->error.has_detail = 0;
if (size == 0) {
// This is used to signal that we are missing frames.
// We do not know if the missing frame(s) was supposed to update
// any of the reference buffers, but we act conservative and
// mark only the last buffer as corrupted.
//
// TODO(jkoleszar): Error concealment is undefined and non-normative
// at this point, but if it becomes so, [0] may not always be the correct
// thing to do here.
const int last_frame = get_closest_pastcur_ref_or_ref0(cm);
RefCntBuffer *ref_buf = get_ref_frame_buf(cm, last_frame);
if (ref_buf != NULL) ref_buf->buf.corrupted = 1;
}
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
check_ref_count_status_dec(pbi);
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
if (assign_cur_frame_new_fb(cm) == NULL) {
cm->error.error_code = AOM_CODEC_MEM_ERROR;
return 1;
}
// The jmp_buf is valid only for the duration of the function that calls
// setjmp(). Therefore, this function must reset the 'setjmp' field to 0
// before it returns.
if (setjmp(cm->error.jmp)) {
const AVxWorkerInterface *const winterface = aom_get_worker_interface();
int i;
cm->error.setjmp = 0;
// Synchronize all threads immediately as a subsequent decode call may
// cause a resize invalidating some allocations.
winterface->sync(&pbi->lf_worker);
for (i = 0; i < pbi->num_workers; ++i) {
winterface->sync(&pbi->tile_workers[i]);
}
release_current_frame(pbi);
aom_clear_system_state();
return -1;
}
cm->error.setjmp = 1;
int frame_decoded =
aom_decode_frame_from_obus(pbi, source, source + size, psource);
#if CONFIG_INSPECTION
if (cm->features.tip_frame_mode == TIP_FRAME_AS_OUTPUT) {
if (pbi->inspect_tip_cb != NULL) {
(*pbi->inspect_tip_cb)(pbi, pbi->inspect_ctx);
}
}
#endif
if (frame_decoded < 0) {
assert(cm->error.error_code != AOM_CODEC_OK);
release_current_frame(pbi);
cm->error.setjmp = 0;
return 1;
}
#if TXCOEFF_TIMER
cm->cum_txcoeff_timer += cm->txcoeff_timer;
fprintf(stderr,
"txb coeff block number: %d, frame time: %ld, cum time %ld in us\n",
cm->txb_count, cm->txcoeff_timer, cm->cum_txcoeff_timer);
cm->txcoeff_timer = 0;
cm->txb_count = 0;
#endif
// Note: At this point, this function holds a reference to cm->cur_frame
// in the buffer pool. This reference is consumed by update_frame_buffers().
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
check_ref_count_status_dec(pbi);
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
update_frame_buffers(pbi, frame_decoded);
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
check_ref_count_status_dec(pbi);
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
if (frame_decoded) {
pbi->decoding_first_frame = 0;
}
if (cm->error.error_code != AOM_CODEC_OK) {
cm->error.setjmp = 0;
return 1;
}
aom_clear_system_state();
if (!cm->show_existing_frame) {
if (cm->seg.enabled) {
if (cm->prev_frame &&
(cm->mi_params.mi_rows == cm->prev_frame->mi_rows) &&
(cm->mi_params.mi_cols == cm->prev_frame->mi_cols)) {
cm->last_frame_seg_map = cm->prev_frame->seg_map;
} else {
cm->last_frame_seg_map = NULL;
}
}
}
// Update progress in frame parallel decode.
cm->error.setjmp = 0;
return 0;
}
// Get the frame at a particular index in the output queue
int av1_get_raw_frame(AV1Decoder *pbi, size_t index, YV12_BUFFER_CONFIG **sd,
aom_film_grain_t **grain_params) {
if (index >= pbi->num_output_frames) return -1;
*sd = &pbi->output_frames[index]->buf;
*grain_params = &pbi->output_frames[index]->film_grain_params;
aom_clear_system_state();
return 0;
}
// Get the highest-spatial-layer output
// TODO(rachelbarker): What should this do?
int av1_get_frame_to_show(AV1Decoder *pbi, YV12_BUFFER_CONFIG *frame) {
if (pbi->num_output_frames == 0) return -1;
const size_t out_frame_idx =
(pbi->common.seq_params.order_hint_info.enable_order_hint &&
pbi->common.seq_params.enable_frame_output_order)
? pbi->output_frames_offset
: pbi->num_output_frames - 1;
if (pbi->common.seq_params.order_hint_info.enable_order_hint &&
pbi->common.seq_params.enable_frame_output_order) {
if (pbi->num_output_frames <= out_frame_idx) return -1;
}
*frame = pbi->output_frames[out_frame_idx]->buf;
return 0;
}