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trisquel-icecat/icecat/third_party/aom/av1/av1_dx_iface.c
Ark74 618c9f4145 icecat: add release 140.3.1-1gnu1
2025-10-06 02:35:48 -06:00

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/*
* Copyright (c) 2016, 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 <stdlib.h>
#include <string.h>
#include "config/aom_config.h"
#include "config/aom_version.h"
#include "aom/internal/aom_codec_internal.h"
#include "aom/internal/aom_image_internal.h"
#include "aom/aomdx.h"
#include "aom/aom_decoder.h"
#include "aom/aom_image.h"
#include "aom_dsp/bitreader_buffer.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_ports/mem.h"
#include "aom_ports/mem_ops.h"
#include "aom_util/aom_pthread.h"
#include "aom_util/aom_thread.h"
#include "av1/common/alloccommon.h"
#include "av1/common/av1_common_int.h"
#include "av1/common/frame_buffers.h"
#include "av1/common/enums.h"
#include "av1/common/obu_util.h"
#include "av1/decoder/decoder.h"
#include "av1/decoder/decodeframe.h"
#include "av1/decoder/dthread.h"
#include "av1/decoder/grain_synthesis.h"
#include "av1/decoder/obu.h"
#include "av1/av1_iface_common.h"
struct aom_codec_alg_priv {
aom_codec_priv_t base;
aom_codec_dec_cfg_t cfg;
aom_codec_stream_info_t si;
aom_image_t img;
int img_avail;
int flushed;
int invert_tile_order;
RefCntBuffer *last_show_frame; // Last output frame buffer
int byte_alignment;
int skip_loop_filter;
int skip_film_grain;
int decode_tile_row;
int decode_tile_col;
unsigned int tile_mode;
unsigned int ext_tile_debug;
unsigned int row_mt;
EXTERNAL_REFERENCES ext_refs;
unsigned int is_annexb;
int operating_point;
int output_all_layers;
AVxWorker *frame_worker;
aom_image_t image_with_grain;
aom_codec_frame_buffer_t grain_image_frame_buffers[MAX_NUM_SPATIAL_LAYERS];
size_t num_grain_image_frame_buffers;
int need_resync; // wait for key/intra-only frame
// BufferPool that holds all reference frames. Shared by all the FrameWorkers.
BufferPool *buffer_pool;
// External frame buffer info to save for AV1 common.
void *ext_priv; // Private data associated with the external frame buffers.
aom_get_frame_buffer_cb_fn_t get_ext_fb_cb;
aom_release_frame_buffer_cb_fn_t release_ext_fb_cb;
#if CONFIG_INSPECTION
aom_inspect_cb inspect_cb;
void *inspect_ctx;
#endif
};
static aom_codec_err_t decoder_init(aom_codec_ctx_t *ctx) {
// This function only allocates space for the aom_codec_alg_priv_t
// structure. More memory may be required at the time the stream
// information becomes known.
if (!ctx->priv) {
aom_codec_alg_priv_t *const priv =
(aom_codec_alg_priv_t *)aom_calloc(1, sizeof(*priv));
if (priv == NULL) return AOM_CODEC_MEM_ERROR;
ctx->priv = (aom_codec_priv_t *)priv;
ctx->priv->init_flags = ctx->init_flags;
priv->flushed = 0;
// TODO(tdaede): this should not be exposed to the API
priv->cfg.allow_lowbitdepth = !FORCE_HIGHBITDEPTH_DECODING;
if (ctx->config.dec) {
priv->cfg = *ctx->config.dec;
ctx->config.dec = &priv->cfg;
}
priv->num_grain_image_frame_buffers = 0;
// Turn row_mt on by default.
priv->row_mt = 1;
// Turn on normal tile coding mode by default.
// 0 is for normal tile coding mode, and 1 is for large scale tile coding
// mode(refer to lightfield example).
priv->tile_mode = 0;
priv->decode_tile_row = -1;
priv->decode_tile_col = -1;
}
return AOM_CODEC_OK;
}
static aom_codec_err_t decoder_destroy(aom_codec_alg_priv_t *ctx) {
if (ctx->frame_worker != NULL) {
AVxWorker *const worker = ctx->frame_worker;
aom_get_worker_interface()->end(worker);
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
if (frame_worker_data != NULL && frame_worker_data->pbi != NULL) {
AV1Decoder *const pbi = frame_worker_data->pbi;
aom_free(pbi->common.tpl_mvs);
pbi->common.tpl_mvs = NULL;
av1_remove_common(&pbi->common);
av1_free_cdef_buffers(&pbi->common, &pbi->cdef_worker, &pbi->cdef_sync);
av1_free_cdef_sync(&pbi->cdef_sync);
av1_free_restoration_buffers(&pbi->common);
av1_decoder_remove(pbi);
}
aom_free(frame_worker_data);
}
if (ctx->buffer_pool) {
for (size_t i = 0; i < ctx->num_grain_image_frame_buffers; i++) {
ctx->buffer_pool->release_fb_cb(ctx->buffer_pool->cb_priv,
&ctx->grain_image_frame_buffers[i]);
}
av1_free_ref_frame_buffers(ctx->buffer_pool);
av1_free_internal_frame_buffers(&ctx->buffer_pool->int_frame_buffers);
#if CONFIG_MULTITHREAD
pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
#endif
}
aom_free(ctx->frame_worker);
aom_free(ctx->buffer_pool);
assert(!ctx->img.self_allocd);
aom_img_free(&ctx->img);
aom_free(ctx);
return AOM_CODEC_OK;
}
static aom_codec_err_t parse_timing_info(struct aom_read_bit_buffer *rb) {
const uint32_t num_units_in_display_tick =
aom_rb_read_unsigned_literal(rb, 32);
const uint32_t time_scale = aom_rb_read_unsigned_literal(rb, 32);
if (num_units_in_display_tick == 0 || time_scale == 0)
return AOM_CODEC_UNSUP_BITSTREAM;
const uint8_t equal_picture_interval = aom_rb_read_bit(rb);
if (equal_picture_interval) {
const uint32_t num_ticks_per_picture_minus_1 = aom_rb_read_uvlc(rb);
if (num_ticks_per_picture_minus_1 == UINT32_MAX) {
// num_ticks_per_picture_minus_1 cannot be (1 << 32) - 1.
return AOM_CODEC_UNSUP_BITSTREAM;
}
}
return AOM_CODEC_OK;
}
static aom_codec_err_t parse_decoder_model_info(
struct aom_read_bit_buffer *rb, int *buffer_delay_length_minus_1) {
*buffer_delay_length_minus_1 = aom_rb_read_literal(rb, 5);
const uint32_t num_units_in_decoding_tick =
aom_rb_read_unsigned_literal(rb, 32);
const uint8_t buffer_removal_time_length_minus_1 = aom_rb_read_literal(rb, 5);
const uint8_t frame_presentation_time_length_minus_1 =
aom_rb_read_literal(rb, 5);
(void)num_units_in_decoding_tick;
(void)buffer_removal_time_length_minus_1;
(void)frame_presentation_time_length_minus_1;
return AOM_CODEC_OK;
}
static aom_codec_err_t parse_op_parameters_info(
struct aom_read_bit_buffer *rb, int buffer_delay_length_minus_1) {
const int n = buffer_delay_length_minus_1 + 1;
const uint32_t decoder_buffer_delay = aom_rb_read_unsigned_literal(rb, n);
const uint32_t encoder_buffer_delay = aom_rb_read_unsigned_literal(rb, n);
const uint8_t low_delay_mode_flag = aom_rb_read_bit(rb);
(void)decoder_buffer_delay;
(void)encoder_buffer_delay;
(void)low_delay_mode_flag;
return AOM_CODEC_OK;
}
// Parses the operating points (including operating_point_idc, seq_level_idx,
// and seq_tier) and then sets si->number_spatial_layers and
// si->number_temporal_layers based on operating_point_idc[0].
static aom_codec_err_t parse_operating_points(struct aom_read_bit_buffer *rb,
int is_reduced_header,
aom_codec_stream_info_t *si) {
int operating_point_idc0 = 0;
if (is_reduced_header) {
aom_rb_read_literal(rb, LEVEL_BITS); // level
} else {
uint8_t decoder_model_info_present_flag = 0;
int buffer_delay_length_minus_1 = 0;
aom_codec_err_t status;
const uint8_t timing_info_present_flag = aom_rb_read_bit(rb);
if (timing_info_present_flag) {
if ((status = parse_timing_info(rb)) != AOM_CODEC_OK) return status;
decoder_model_info_present_flag = aom_rb_read_bit(rb);
if (decoder_model_info_present_flag) {
if ((status = parse_decoder_model_info(
rb, &buffer_delay_length_minus_1)) != AOM_CODEC_OK)
return status;
}
}
const uint8_t initial_display_delay_present_flag = aom_rb_read_bit(rb);
const uint8_t operating_points_cnt_minus_1 =
aom_rb_read_literal(rb, OP_POINTS_CNT_MINUS_1_BITS);
for (int i = 0; i < operating_points_cnt_minus_1 + 1; i++) {
int operating_point_idc;
operating_point_idc = aom_rb_read_literal(rb, OP_POINTS_IDC_BITS);
if (i == 0) operating_point_idc0 = operating_point_idc;
int seq_level_idx = aom_rb_read_literal(rb, LEVEL_BITS); // level
if (seq_level_idx > 7) aom_rb_read_bit(rb); // tier
if (decoder_model_info_present_flag) {
const uint8_t decoder_model_present_for_this_op = aom_rb_read_bit(rb);
if (decoder_model_present_for_this_op) {
if ((status = parse_op_parameters_info(
rb, buffer_delay_length_minus_1)) != AOM_CODEC_OK)
return status;
}
}
if (initial_display_delay_present_flag) {
const uint8_t initial_display_delay_present_for_this_op =
aom_rb_read_bit(rb);
if (initial_display_delay_present_for_this_op)
aom_rb_read_literal(rb, 4); // initial_display_delay_minus_1
}
}
}
if (aom_get_num_layers_from_operating_point_idc(
operating_point_idc0, &si->number_spatial_layers,
&si->number_temporal_layers) != AOM_CODEC_OK) {
return AOM_CODEC_ERROR;
}
return AOM_CODEC_OK;
}
static aom_codec_err_t decoder_peek_si_internal(const uint8_t *data,
size_t data_sz,
aom_codec_stream_info_t *si,
int *is_intra_only) {
int intra_only_flag = 0;
int got_sequence_header = 0;
int found_keyframe = 0;
if (data + data_sz <= data || data_sz < 1) return AOM_CODEC_INVALID_PARAM;
si->w = 0;
si->h = 0;
si->is_kf = 0; // is_kf indicates whether the current packet contains a RAP
ObuHeader obu_header;
memset(&obu_header, 0, sizeof(obu_header));
size_t payload_size = 0;
size_t bytes_read = 0;
uint8_t reduced_still_picture_hdr = 0;
aom_codec_err_t status = aom_read_obu_header_and_size(
data, data_sz, si->is_annexb, &obu_header, &payload_size, &bytes_read);
if (status != AOM_CODEC_OK) return status;
// If the first OBU is a temporal delimiter, skip over it and look at the next
// OBU in the bitstream
if (obu_header.type == OBU_TEMPORAL_DELIMITER) {
// Skip any associated payload (there shouldn't be one, but just in case)
if (data_sz < bytes_read + payload_size) return AOM_CODEC_CORRUPT_FRAME;
data += bytes_read + payload_size;
data_sz -= bytes_read + payload_size;
status = aom_read_obu_header_and_size(
data, data_sz, si->is_annexb, &obu_header, &payload_size, &bytes_read);
if (status != AOM_CODEC_OK) return status;
}
while (1) {
data += bytes_read;
data_sz -= bytes_read;
if (data_sz < payload_size) return AOM_CODEC_CORRUPT_FRAME;
// Check that the selected OBU is a sequence header
if (obu_header.type == OBU_SEQUENCE_HEADER) {
// Sanity check on sequence header size
if (data_sz < 2) return AOM_CODEC_CORRUPT_FRAME;
// Read a few values from the sequence header payload
struct aom_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
av1_read_profile(&rb); // profile
const uint8_t still_picture = aom_rb_read_bit(&rb);
reduced_still_picture_hdr = aom_rb_read_bit(&rb);
if (!still_picture && reduced_still_picture_hdr) {
return AOM_CODEC_UNSUP_BITSTREAM;
}
status = parse_operating_points(&rb, reduced_still_picture_hdr, si);
if (status != AOM_CODEC_OK) return status;
int num_bits_width = aom_rb_read_literal(&rb, 4) + 1;
int num_bits_height = aom_rb_read_literal(&rb, 4) + 1;
int max_frame_width = aom_rb_read_literal(&rb, num_bits_width) + 1;
int max_frame_height = aom_rb_read_literal(&rb, num_bits_height) + 1;
si->w = max_frame_width;
si->h = max_frame_height;
got_sequence_header = 1;
} else if (obu_header.type == OBU_FRAME_HEADER ||
obu_header.type == OBU_FRAME) {
if (got_sequence_header && reduced_still_picture_hdr) {
found_keyframe = 1;
break;
} else {
// make sure we have enough bits to get the frame type out
if (data_sz < 1) return AOM_CODEC_CORRUPT_FRAME;
struct aom_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
const int show_existing_frame = aom_rb_read_bit(&rb);
if (!show_existing_frame) {
const FRAME_TYPE frame_type = (FRAME_TYPE)aom_rb_read_literal(&rb, 2);
if (frame_type == KEY_FRAME) {
found_keyframe = 1;
break; // Stop here as no further OBUs will change the outcome.
} else if (frame_type == INTRA_ONLY_FRAME) {
intra_only_flag = 1;
}
}
}
}
// skip past any unread OBU header data
data += payload_size;
data_sz -= payload_size;
if (data_sz == 0) break; // exit if we're out of OBUs
status = aom_read_obu_header_and_size(
data, data_sz, si->is_annexb, &obu_header, &payload_size, &bytes_read);
if (status != AOM_CODEC_OK) return status;
}
if (got_sequence_header && found_keyframe) si->is_kf = 1;
if (is_intra_only != NULL) *is_intra_only = intra_only_flag;
return AOM_CODEC_OK;
}
static aom_codec_err_t decoder_peek_si(const uint8_t *data, size_t data_sz,
aom_codec_stream_info_t *si) {
return decoder_peek_si_internal(data, data_sz, si, NULL);
}
static aom_codec_err_t decoder_get_si(aom_codec_alg_priv_t *ctx,
aom_codec_stream_info_t *si) {
memcpy(si, &ctx->si, sizeof(*si));
return AOM_CODEC_OK;
}
static void set_error_detail(aom_codec_alg_priv_t *ctx,
const char *const error) {
ctx->base.err_detail = error;
}
static aom_codec_err_t update_error_state(
aom_codec_alg_priv_t *ctx, const struct aom_internal_error_info *error) {
if (error->error_code)
set_error_detail(ctx, error->has_detail ? error->detail : NULL);
return error->error_code;
}
static void init_buffer_callbacks(aom_codec_alg_priv_t *ctx) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
AV1Decoder *const pbi = frame_worker_data->pbi;
AV1_COMMON *const cm = &pbi->common;
BufferPool *const pool = cm->buffer_pool;
cm->cur_frame = NULL;
cm->features.byte_alignment = ctx->byte_alignment;
pbi->skip_loop_filter = ctx->skip_loop_filter;
pbi->skip_film_grain = ctx->skip_film_grain;
if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
pool->get_fb_cb = ctx->get_ext_fb_cb;
pool->release_fb_cb = ctx->release_ext_fb_cb;
pool->cb_priv = ctx->ext_priv;
} else {
pool->get_fb_cb = av1_get_frame_buffer;
pool->release_fb_cb = av1_release_frame_buffer;
if (av1_alloc_internal_frame_buffers(&pool->int_frame_buffers))
aom_internal_error(&pbi->error, AOM_CODEC_MEM_ERROR,
"Failed to initialize internal frame buffers");
pool->cb_priv = &pool->int_frame_buffers;
}
}
static int frame_worker_hook(void *arg1, void *arg2) {
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)arg1;
const uint8_t *data = frame_worker_data->data;
(void)arg2;
int result = av1_receive_compressed_data(frame_worker_data->pbi,
frame_worker_data->data_size, &data);
frame_worker_data->data_end = data;
if (result != 0) {
// Check decode result in serial decode.
frame_worker_data->pbi->need_resync = 1;
}
return !result;
}
static aom_codec_err_t init_decoder(aom_codec_alg_priv_t *ctx) {
const AVxWorkerInterface *const winterface = aom_get_worker_interface();
ctx->last_show_frame = NULL;
ctx->need_resync = 1;
ctx->flushed = 0;
ctx->buffer_pool = (BufferPool *)aom_calloc(1, sizeof(BufferPool));
if (ctx->buffer_pool == NULL) return AOM_CODEC_MEM_ERROR;
ctx->buffer_pool->num_frame_bufs = FRAME_BUFFERS;
ctx->buffer_pool->frame_bufs = (RefCntBuffer *)aom_calloc(
ctx->buffer_pool->num_frame_bufs, sizeof(*ctx->buffer_pool->frame_bufs));
if (ctx->buffer_pool->frame_bufs == NULL) {
ctx->buffer_pool->num_frame_bufs = 0;
aom_free(ctx->buffer_pool);
ctx->buffer_pool = NULL;
return AOM_CODEC_MEM_ERROR;
}
#if CONFIG_MULTITHREAD
if (pthread_mutex_init(&ctx->buffer_pool->pool_mutex, NULL)) {
aom_free(ctx->buffer_pool->frame_bufs);
ctx->buffer_pool->frame_bufs = NULL;
ctx->buffer_pool->num_frame_bufs = 0;
aom_free(ctx->buffer_pool);
ctx->buffer_pool = NULL;
set_error_detail(ctx, "Failed to allocate buffer pool mutex");
return AOM_CODEC_MEM_ERROR;
}
#endif
ctx->frame_worker = (AVxWorker *)aom_malloc(sizeof(*ctx->frame_worker));
if (ctx->frame_worker == NULL) {
set_error_detail(ctx, "Failed to allocate frame_worker");
return AOM_CODEC_MEM_ERROR;
}
AVxWorker *const worker = ctx->frame_worker;
winterface->init(worker);
worker->thread_name = "aom frameworker";
worker->data1 = aom_memalign(32, sizeof(FrameWorkerData));
if (worker->data1 == NULL) {
winterface->end(worker);
aom_free(worker);
ctx->frame_worker = NULL;
set_error_detail(ctx, "Failed to allocate frame_worker_data");
return AOM_CODEC_MEM_ERROR;
}
FrameWorkerData *frame_worker_data = (FrameWorkerData *)worker->data1;
frame_worker_data->pbi = av1_decoder_create(ctx->buffer_pool);
if (frame_worker_data->pbi == NULL) {
winterface->end(worker);
aom_free(frame_worker_data);
aom_free(worker);
ctx->frame_worker = NULL;
set_error_detail(ctx, "Failed to allocate frame_worker_data->pbi");
return AOM_CODEC_MEM_ERROR;
}
frame_worker_data->frame_context_ready = 0;
frame_worker_data->received_frame = 0;
frame_worker_data->pbi->allow_lowbitdepth = ctx->cfg.allow_lowbitdepth;
// If decoding in serial mode, FrameWorker thread could create tile worker
// thread or loopfilter thread.
frame_worker_data->pbi->max_threads = ctx->cfg.threads;
frame_worker_data->pbi->inv_tile_order = ctx->invert_tile_order;
frame_worker_data->pbi->common.tiles.large_scale = ctx->tile_mode;
frame_worker_data->pbi->is_annexb = ctx->is_annexb;
frame_worker_data->pbi->dec_tile_row = ctx->decode_tile_row;
frame_worker_data->pbi->dec_tile_col = ctx->decode_tile_col;
frame_worker_data->pbi->operating_point = ctx->operating_point;
frame_worker_data->pbi->output_all_layers = ctx->output_all_layers;
frame_worker_data->pbi->ext_tile_debug = ctx->ext_tile_debug;
frame_worker_data->pbi->row_mt = ctx->row_mt;
frame_worker_data->pbi->is_fwd_kf_present = 0;
frame_worker_data->pbi->is_arf_frame_present = 0;
worker->hook = frame_worker_hook;
init_buffer_callbacks(ctx);
return AOM_CODEC_OK;
}
static inline void check_resync(aom_codec_alg_priv_t *const ctx,
const AV1Decoder *const pbi) {
// Clear resync flag if worker got a key frame or intra only frame.
if (ctx->need_resync == 1 && pbi->need_resync == 0 &&
frame_is_intra_only(&pbi->common))
ctx->need_resync = 0;
}
static aom_codec_err_t decode_one(aom_codec_alg_priv_t *ctx,
const uint8_t **data, size_t data_sz,
void *user_priv) {
const AVxWorkerInterface *const winterface = aom_get_worker_interface();
// Determine the stream parameters. Note that we rely on peek_si to
// validate that we have a buffer that does not wrap around the top
// of the heap.
if (!ctx->si.h) {
int is_intra_only = 0;
ctx->si.is_annexb = ctx->is_annexb;
const aom_codec_err_t res =
decoder_peek_si_internal(*data, data_sz, &ctx->si, &is_intra_only);
if (res != AOM_CODEC_OK) return res;
if (!ctx->si.is_kf && !is_intra_only) return AOM_CODEC_ERROR;
}
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
frame_worker_data->data = *data;
frame_worker_data->data_size = data_sz;
frame_worker_data->user_priv = user_priv;
frame_worker_data->received_frame = 1;
frame_worker_data->pbi->common.tiles.large_scale = ctx->tile_mode;
frame_worker_data->pbi->dec_tile_row = ctx->decode_tile_row;
frame_worker_data->pbi->dec_tile_col = ctx->decode_tile_col;
frame_worker_data->pbi->ext_tile_debug = ctx->ext_tile_debug;
frame_worker_data->pbi->row_mt = ctx->row_mt;
frame_worker_data->pbi->ext_refs = ctx->ext_refs;
frame_worker_data->pbi->is_annexb = ctx->is_annexb;
worker->had_error = 0;
winterface->execute(worker);
// Update data pointer after decode.
*data = frame_worker_data->data_end;
if (worker->had_error)
return update_error_state(ctx, &frame_worker_data->pbi->error);
check_resync(ctx, frame_worker_data->pbi);
return AOM_CODEC_OK;
}
static void release_pending_output_frames(aom_codec_alg_priv_t *ctx) {
// Release any pending output frames from the previous decoder_decode or
// decoder_inspect call. We need to do this even if the decoder is being
// flushed or the input arguments are invalid.
if (ctx->frame_worker) {
BufferPool *const pool = ctx->buffer_pool;
lock_buffer_pool(pool);
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
struct AV1Decoder *pbi = frame_worker_data->pbi;
for (size_t j = 0; j < pbi->num_output_frames; j++) {
decrease_ref_count(pbi->output_frames[j], pool);
}
pbi->num_output_frames = 0;
unlock_buffer_pool(pool);
for (size_t j = 0; j < ctx->num_grain_image_frame_buffers; j++) {
pool->release_fb_cb(pool->cb_priv, &ctx->grain_image_frame_buffers[j]);
ctx->grain_image_frame_buffers[j].data = NULL;
ctx->grain_image_frame_buffers[j].size = 0;
ctx->grain_image_frame_buffers[j].priv = NULL;
}
ctx->num_grain_image_frame_buffers = 0;
}
}
// This function enables the inspector to inspect non visible frames.
static aom_codec_err_t decoder_inspect(aom_codec_alg_priv_t *ctx,
const uint8_t *data, size_t data_sz,
void *user_priv) {
aom_codec_err_t res = AOM_CODEC_OK;
release_pending_output_frames(ctx);
/* Sanity checks */
/* NULL data ptr allowed if data_sz is 0 too */
if (data == NULL && data_sz == 0) {
ctx->flushed = 1;
return AOM_CODEC_OK;
}
if (data == NULL || data_sz == 0) return AOM_CODEC_INVALID_PARAM;
// Reset flushed when receiving a valid frame.
ctx->flushed = 0;
const uint8_t *data_start = data;
const uint8_t *data_end = data + data_sz;
uint64_t frame_size;
if (ctx->is_annexb) {
// read the size of this temporal unit
size_t length_of_size;
uint64_t temporal_unit_size;
if (aom_uleb_decode(data_start, data_sz, &temporal_unit_size,
&length_of_size) != 0) {
return AOM_CODEC_CORRUPT_FRAME;
}
data_start += length_of_size;
if (temporal_unit_size > (size_t)(data_end - data_start))
return AOM_CODEC_CORRUPT_FRAME;
data_end = data_start + temporal_unit_size;
// read the size of this frame unit
if (aom_uleb_decode(data_start, (size_t)(data_end - data_start),
&frame_size, &length_of_size) != 0) {
return AOM_CODEC_CORRUPT_FRAME;
}
data_start += length_of_size;
if (frame_size > (size_t)(data_end - data_start))
return AOM_CODEC_CORRUPT_FRAME;
} else {
frame_size = (uint64_t)(data_end - data_start);
}
if (ctx->frame_worker == NULL) {
res = init_decoder(ctx);
if (res != AOM_CODEC_OK) return res;
}
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)ctx->frame_worker->data1;
AV1Decoder *const pbi = frame_worker_data->pbi;
AV1_COMMON *const cm = &pbi->common;
#if CONFIG_INSPECTION
frame_worker_data->pbi->inspect_cb = ctx->inspect_cb;
frame_worker_data->pbi->inspect_ctx = ctx->inspect_ctx;
#endif
res = av1_receive_compressed_data(frame_worker_data->pbi, (size_t)frame_size,
&data_start);
check_resync(ctx, frame_worker_data->pbi);
if (ctx->frame_worker->had_error)
return update_error_state(ctx, &frame_worker_data->pbi->error);
// Allow extra zero bytes after the frame end
while (data_start < data_end) {
const uint8_t marker = data_start[0];
if (marker) break;
++data_start;
}
Av1DecodeReturn *data2 = (Av1DecodeReturn *)user_priv;
data2->idx = -1;
if (cm->cur_frame) {
for (int i = 0; i < REF_FRAMES; ++i)
if (cm->ref_frame_map[i] == cm->cur_frame) data2->idx = i;
}
data2->buf = data_start;
data2->show_existing = cm->show_existing_frame;
return res;
}
static aom_codec_err_t decoder_decode(aom_codec_alg_priv_t *ctx,
const uint8_t *data, size_t data_sz,
void *user_priv) {
aom_codec_err_t res = AOM_CODEC_OK;
#if CONFIG_INSPECTION
if (user_priv != 0) {
return decoder_inspect(ctx, data, data_sz, user_priv);
}
#endif
release_pending_output_frames(ctx);
/* Sanity checks */
/* NULL data ptr allowed if data_sz is 0 too */
if (data == NULL && data_sz == 0) {
ctx->flushed = 1;
return AOM_CODEC_OK;
}
if (data == NULL || data_sz == 0) return AOM_CODEC_INVALID_PARAM;
// Reset flushed when receiving a valid frame.
ctx->flushed = 0;
// Initialize the decoder worker on the first frame.
if (ctx->frame_worker == NULL) {
res = init_decoder(ctx);
if (res != AOM_CODEC_OK) return res;
}
const uint8_t *data_start = data;
const uint8_t *data_end = data + data_sz;
if (ctx->is_annexb) {
// read the size of this temporal unit
size_t length_of_size;
uint64_t temporal_unit_size;
if (aom_uleb_decode(data_start, data_sz, &temporal_unit_size,
&length_of_size) != 0) {
return AOM_CODEC_CORRUPT_FRAME;
}
data_start += length_of_size;
if (temporal_unit_size > (size_t)(data_end - data_start))
return AOM_CODEC_CORRUPT_FRAME;
data_end = data_start + temporal_unit_size;
}
// Decode in serial mode.
while (data_start < data_end) {
uint64_t frame_size;
if (ctx->is_annexb) {
// read the size of this frame unit
size_t length_of_size;
if (aom_uleb_decode(data_start, (size_t)(data_end - data_start),
&frame_size, &length_of_size) != 0) {
return AOM_CODEC_CORRUPT_FRAME;
}
data_start += length_of_size;
if (frame_size > (size_t)(data_end - data_start))
return AOM_CODEC_CORRUPT_FRAME;
} else {
frame_size = (uint64_t)(data_end - data_start);
}
res = decode_one(ctx, &data_start, (size_t)frame_size, user_priv);
if (res != AOM_CODEC_OK) return res;
// Allow extra zero bytes after the frame end
while (data_start < data_end) {
const uint8_t marker = data_start[0];
if (marker) break;
++data_start;
}
}
return res;
}
typedef struct {
BufferPool *pool;
aom_codec_frame_buffer_t *fb;
} AllocCbParam;
static void *AllocWithGetFrameBufferCb(void *priv, size_t size) {
AllocCbParam *param = (AllocCbParam *)priv;
if (param->pool->get_fb_cb(param->pool->cb_priv, size, param->fb) < 0)
return NULL;
if (param->fb->data == NULL || param->fb->size < size) return NULL;
return param->fb->data;
}
// If grain_params->apply_grain is false, returns img. Otherwise, adds film
// grain to img, saves the result in grain_img, and returns grain_img.
static aom_image_t *add_grain_if_needed(aom_codec_alg_priv_t *ctx,
aom_image_t *img,
aom_image_t *grain_img,
aom_film_grain_t *grain_params) {
if (!grain_params->apply_grain) return img;
const int w_even = ALIGN_POWER_OF_TWO_UNSIGNED(img->d_w, 1);
const int h_even = ALIGN_POWER_OF_TWO_UNSIGNED(img->d_h, 1);
BufferPool *const pool = ctx->buffer_pool;
aom_codec_frame_buffer_t *fb =
&ctx->grain_image_frame_buffers[ctx->num_grain_image_frame_buffers];
AllocCbParam param;
param.pool = pool;
param.fb = fb;
if (!aom_img_alloc_with_cb(grain_img, img->fmt, w_even, h_even, 16,
AllocWithGetFrameBufferCb, &param)) {
return NULL;
}
grain_img->user_priv = img->user_priv;
grain_img->fb_priv = fb->priv;
if (av1_add_film_grain(grain_params, img, grain_img)) {
pool->release_fb_cb(pool->cb_priv, fb);
return NULL;
}
ctx->num_grain_image_frame_buffers++;
return grain_img;
}
// Copies and clears the metadata from AV1Decoder.
static void move_decoder_metadata_to_img(AV1Decoder *pbi, aom_image_t *img) {
if (pbi->metadata && img) {
assert(!img->metadata);
img->metadata = pbi->metadata;
pbi->metadata = NULL;
}
}
static aom_image_t *decoder_get_frame(aom_codec_alg_priv_t *ctx,
aom_codec_iter_t *iter) {
aom_image_t *img = NULL;
if (!iter) {
return NULL;
}
// To avoid having to allocate any extra storage, treat 'iter' as
// simply a pointer to an integer index
uintptr_t *index = (uintptr_t *)iter;
if (ctx->frame_worker == NULL) {
return NULL;
}
const AVxWorkerInterface *const winterface = aom_get_worker_interface();
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
AV1Decoder *const pbi = frame_worker_data->pbi;
pbi->error.error_code = AOM_CODEC_OK;
pbi->error.has_detail = 0;
AV1_COMMON *const cm = &pbi->common;
CommonTileParams *const tiles = &cm->tiles;
// Wait for the frame from worker thread.
if (!winterface->sync(worker)) {
// Decoding failed. Release the worker thread.
frame_worker_data->received_frame = 0;
ctx->need_resync = 1;
// TODO(aomedia:3519): Set an error code. Check if a different error code
// should be used if ctx->flushed != 1.
return NULL;
}
// Check if worker has received any frames.
if (frame_worker_data->received_frame == 1) {
frame_worker_data->received_frame = 0;
check_resync(ctx, frame_worker_data->pbi);
}
YV12_BUFFER_CONFIG *sd;
aom_film_grain_t *grain_params;
if (av1_get_raw_frame(frame_worker_data->pbi, *index, &sd, &grain_params) !=
0) {
return NULL;
}
RefCntBuffer *const output_frame_buf = pbi->output_frames[*index];
ctx->last_show_frame = output_frame_buf;
if (ctx->need_resync) return NULL;
aom_img_remove_metadata(&ctx->img);
yuvconfig2image(&ctx->img, sd, frame_worker_data->user_priv);
move_decoder_metadata_to_img(pbi, &ctx->img);
if (!pbi->ext_tile_debug && tiles->large_scale) {
*index += 1; // Advance the iterator to point to the next image
aom_img_remove_metadata(&ctx->img);
yuvconfig2image(&ctx->img, &pbi->tile_list_outbuf, NULL);
move_decoder_metadata_to_img(pbi, &ctx->img);
img = &ctx->img;
return img;
}
const int num_planes = av1_num_planes(cm);
if (pbi->ext_tile_debug && tiles->single_tile_decoding &&
pbi->dec_tile_row >= 0) {
int tile_width, tile_height;
if (!av1_get_uniform_tile_size(cm, &tile_width, &tile_height)) {
return NULL;
}
const int tile_row = AOMMIN(pbi->dec_tile_row, tiles->rows - 1);
const int mi_row = tile_row * tile_height;
const int ssy = ctx->img.y_chroma_shift;
int plane;
ctx->img.planes[0] += mi_row * MI_SIZE * ctx->img.stride[0];
if (num_planes > 1) {
for (plane = 1; plane < MAX_MB_PLANE; ++plane) {
ctx->img.planes[plane] +=
mi_row * (MI_SIZE >> ssy) * ctx->img.stride[plane];
}
}
ctx->img.d_h =
AOMMIN(tile_height, cm->mi_params.mi_rows - mi_row) * MI_SIZE;
}
if (pbi->ext_tile_debug && tiles->single_tile_decoding &&
pbi->dec_tile_col >= 0) {
int tile_width, tile_height;
if (!av1_get_uniform_tile_size(cm, &tile_width, &tile_height)) {
return NULL;
}
const int tile_col = AOMMIN(pbi->dec_tile_col, tiles->cols - 1);
const int mi_col = tile_col * tile_width;
const int ssx = ctx->img.x_chroma_shift;
const int is_hbd = (ctx->img.fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 1 : 0;
int plane;
ctx->img.planes[0] += mi_col * MI_SIZE * (1 + is_hbd);
if (num_planes > 1) {
for (plane = 1; plane < MAX_MB_PLANE; ++plane) {
ctx->img.planes[plane] += mi_col * (MI_SIZE >> ssx) * (1 + is_hbd);
}
}
ctx->img.d_w = AOMMIN(tile_width, cm->mi_params.mi_cols - mi_col) * MI_SIZE;
}
ctx->img.fb_priv = output_frame_buf->raw_frame_buffer.priv;
img = &ctx->img;
img->temporal_id = output_frame_buf->temporal_id;
img->spatial_id = output_frame_buf->spatial_id;
if (pbi->skip_film_grain) grain_params->apply_grain = 0;
aom_image_t *res =
add_grain_if_needed(ctx, img, &ctx->image_with_grain, grain_params);
if (!res) {
pbi->error.error_code = AOM_CODEC_CORRUPT_FRAME;
pbi->error.has_detail = 1;
snprintf(pbi->error.detail, sizeof(pbi->error.detail),
"Grain synthesis failed\n");
return res;
}
*index += 1; // Advance the iterator to point to the next image
return res;
}
static aom_codec_err_t decoder_set_fb_fn(
aom_codec_alg_priv_t *ctx, aom_get_frame_buffer_cb_fn_t cb_get,
aom_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
if (cb_get == NULL || cb_release == NULL) {
return AOM_CODEC_INVALID_PARAM;
}
if (ctx->frame_worker != NULL) {
// If the decoder has already been initialized, do not accept changes to
// the frame buffer functions.
return AOM_CODEC_ERROR;
}
ctx->get_ext_fb_cb = cb_get;
ctx->release_ext_fb_cb = cb_release;
ctx->ext_priv = cb_priv;
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_reference(aom_codec_alg_priv_t *ctx,
va_list args) {
av1_ref_frame_t *const data = va_arg(args, av1_ref_frame_t *);
if (data) {
av1_ref_frame_t *const frame = data;
YV12_BUFFER_CONFIG sd;
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
image2yuvconfig(&frame->img, &sd);
return av1_set_reference_dec(&frame_worker_data->pbi->common, frame->idx,
frame->use_external_ref, &sd);
} else {
return AOM_CODEC_INVALID_PARAM;
}
}
static aom_codec_err_t ctrl_copy_reference(aom_codec_alg_priv_t *ctx,
va_list args) {
const av1_ref_frame_t *const frame = va_arg(args, av1_ref_frame_t *);
if (frame) {
YV12_BUFFER_CONFIG sd;
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
image2yuvconfig(&frame->img, &sd);
return av1_copy_reference_dec(frame_worker_data->pbi, frame->idx, &sd);
} else {
return AOM_CODEC_INVALID_PARAM;
}
}
static aom_codec_err_t ctrl_get_reference(aom_codec_alg_priv_t *ctx,
va_list args) {
av1_ref_frame_t *data = va_arg(args, av1_ref_frame_t *);
if (data) {
YV12_BUFFER_CONFIG *fb;
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
fb = get_ref_frame(&frame_worker_data->pbi->common, data->idx);
if (fb == NULL) return AOM_CODEC_ERROR;
yuvconfig2image(&data->img, fb, NULL);
return AOM_CODEC_OK;
} else {
return AOM_CODEC_INVALID_PARAM;
}
}
static aom_codec_err_t ctrl_get_new_frame_image(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_image_t *new_img = va_arg(args, aom_image_t *);
if (new_img) {
YV12_BUFFER_CONFIG new_frame;
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
if (av1_get_frame_to_show(frame_worker_data->pbi, &new_frame) == 0) {
yuvconfig2image(new_img, &new_frame, NULL);
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
} else {
return AOM_CODEC_INVALID_PARAM;
}
}
static aom_codec_err_t ctrl_copy_new_frame_image(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_image_t *img = va_arg(args, aom_image_t *);
if (img) {
YV12_BUFFER_CONFIG new_frame;
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
if (av1_get_frame_to_show(frame_worker_data->pbi, &new_frame) == 0) {
YV12_BUFFER_CONFIG sd;
image2yuvconfig(img, &sd);
return av1_copy_new_frame_dec(&frame_worker_data->pbi->common, &new_frame,
&sd);
} else {
return AOM_CODEC_ERROR;
}
} else {
return AOM_CODEC_INVALID_PARAM;
}
}
static aom_codec_err_t ctrl_get_last_ref_updates(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const update_info = va_arg(args, int *);
if (update_info) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
*update_info =
frame_worker_data->pbi->common.current_frame.refresh_frame_flags;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_last_quantizer(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const arg = va_arg(args, int *);
if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
*arg = ((FrameWorkerData *)ctx->frame_worker->data1)
->pbi->common.quant_params.base_qindex;
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_fwd_kf_value(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const arg = va_arg(args, int *);
if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
*arg = ((FrameWorkerData *)ctx->frame_worker->data1)->pbi->is_fwd_kf_present;
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_altref_present(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const arg = va_arg(args, int *);
if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
*arg =
((FrameWorkerData *)ctx->frame_worker->data1)->pbi->is_arf_frame_present;
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_frame_flags(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const arg = va_arg(args, int *);
if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
AV1Decoder *pbi = ((FrameWorkerData *)ctx->frame_worker->data1)->pbi;
*arg = 0;
switch (pbi->common.current_frame.frame_type) {
case KEY_FRAME:
*arg |= AOM_FRAME_IS_KEY;
*arg |= AOM_FRAME_IS_INTRAONLY;
if (!pbi->common.show_frame) {
*arg |= AOM_FRAME_IS_DELAYED_RANDOM_ACCESS_POINT;
}
break;
case INTRA_ONLY_FRAME: *arg |= AOM_FRAME_IS_INTRAONLY; break;
case S_FRAME: *arg |= AOM_FRAME_IS_SWITCH; break;
}
if (pbi->common.features.error_resilient_mode) {
*arg |= AOM_FRAME_IS_ERROR_RESILIENT;
}
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_tile_info(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_tile_info *const tile_info = va_arg(args, aom_tile_info *);
if (tile_info) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1Decoder *pbi = frame_worker_data->pbi;
const CommonTileParams *tiles = &pbi->common.tiles;
int tile_rows = tiles->rows;
int tile_cols = tiles->cols;
if (tiles->uniform_spacing) {
tile_info->tile_rows = 1 << tiles->log2_rows;
tile_info->tile_columns = 1 << tiles->log2_cols;
} else {
tile_info->tile_rows = tile_rows;
tile_info->tile_columns = tile_cols;
}
for (int tile_col = 1; tile_col <= tile_cols; tile_col++) {
tile_info->tile_widths[tile_col - 1] =
tiles->col_start_sb[tile_col] - tiles->col_start_sb[tile_col - 1];
}
for (int tile_row = 1; tile_row <= tile_rows; tile_row++) {
tile_info->tile_heights[tile_row - 1] =
tiles->row_start_sb[tile_row] - tiles->row_start_sb[tile_row - 1];
}
tile_info->num_tile_groups = pbi->num_tile_groups;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_screen_content_tools_info(
aom_codec_alg_priv_t *ctx, va_list args) {
aom_screen_content_tools_info *const sc_info =
va_arg(args, aom_screen_content_tools_info *);
if (sc_info) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1Decoder *pbi = frame_worker_data->pbi;
sc_info->allow_screen_content_tools =
pbi->common.features.allow_screen_content_tools;
sc_info->allow_intrabc = pbi->common.features.allow_intrabc;
sc_info->force_integer_mv =
(int)pbi->common.features.cur_frame_force_integer_mv;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_still_picture(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_still_picture_info *const still_picture_info =
va_arg(args, aom_still_picture_info *);
if (still_picture_info) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1Decoder *pbi = frame_worker_data->pbi;
still_picture_info->is_still_picture = (int)pbi->seq_params.still_picture;
still_picture_info->is_reduced_still_picture_hdr =
(int)(pbi->seq_params.reduced_still_picture_hdr);
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_sb_size(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_superblock_size_t *const sb_size = va_arg(args, aom_superblock_size_t *);
if (sb_size) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1Decoder *pbi = frame_worker_data->pbi;
if (pbi->seq_params.sb_size == BLOCK_128X128) {
*sb_size = AOM_SUPERBLOCK_SIZE_128X128;
} else {
*sb_size = AOM_SUPERBLOCK_SIZE_64X64;
}
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_show_existing_frame_flag(
aom_codec_alg_priv_t *ctx, va_list args) {
int *const arg = va_arg(args, int *);
if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
*arg = ((FrameWorkerData *)ctx->frame_worker->data1)
->pbi->common.show_existing_frame;
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_s_frame_info(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_s_frame_info *const s_frame_info = va_arg(args, aom_s_frame_info *);
if (s_frame_info) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1Decoder *pbi = frame_worker_data->pbi;
s_frame_info->is_s_frame = pbi->sframe_info.is_s_frame;
s_frame_info->is_s_frame_at_altref =
pbi->sframe_info.is_s_frame_at_altref;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_frame_corrupted(aom_codec_alg_priv_t *ctx,
va_list args) {
int *corrupted = va_arg(args, int *);
if (corrupted) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
AV1Decoder *const pbi = frame_worker_data->pbi;
if (pbi->seen_frame_header && pbi->num_output_frames == 0)
return AOM_CODEC_ERROR;
if (ctx->last_show_frame != NULL)
*corrupted = ctx->last_show_frame->buf.corrupted;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_frame_size(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const frame_size = va_arg(args, int *);
if (frame_size) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
frame_size[0] = cm->width;
frame_size[1] = cm->height;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_frame_header_info(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_tile_data *const frame_header_info = va_arg(args, aom_tile_data *);
if (frame_header_info) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1Decoder *pbi = frame_worker_data->pbi;
frame_header_info->coded_tile_data_size = pbi->obu_size_hdr.size;
frame_header_info->coded_tile_data = pbi->obu_size_hdr.data;
frame_header_info->extra_size = pbi->frame_header_size;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_tile_data(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_tile_data *const tile_data = va_arg(args, aom_tile_data *);
if (tile_data) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1Decoder *pbi = frame_worker_data->pbi;
tile_data->coded_tile_data_size =
pbi->tile_buffers[pbi->dec_tile_row][pbi->dec_tile_col].size;
tile_data->coded_tile_data =
pbi->tile_buffers[pbi->dec_tile_row][pbi->dec_tile_col].data;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_set_ext_ref_ptr(aom_codec_alg_priv_t *ctx,
va_list args) {
av1_ext_ref_frame_t *const data = va_arg(args, av1_ext_ref_frame_t *);
if (data) {
av1_ext_ref_frame_t *const ext_frames = data;
ctx->ext_refs.num = ext_frames->num;
for (int i = 0; i < ctx->ext_refs.num; i++) {
image2yuvconfig(ext_frames->img++, &ctx->ext_refs.refs[i]);
}
return AOM_CODEC_OK;
} else {
return AOM_CODEC_INVALID_PARAM;
}
}
static aom_codec_err_t ctrl_get_render_size(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const render_size = va_arg(args, int *);
if (render_size) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
render_size[0] = cm->render_width;
render_size[1] = cm->render_height;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_bit_depth(aom_codec_alg_priv_t *ctx,
va_list args) {
unsigned int *const bit_depth = va_arg(args, unsigned int *);
AVxWorker *const worker = ctx->frame_worker;
if (bit_depth) {
if (worker) {
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
*bit_depth = cm->seq_params->bit_depth;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_img_fmt_t get_img_format(int subsampling_x, int subsampling_y,
int use_highbitdepth) {
aom_img_fmt_t fmt = 0;
if (subsampling_x == 0 && subsampling_y == 0)
fmt = AOM_IMG_FMT_I444;
else if (subsampling_x == 1 && subsampling_y == 0)
fmt = AOM_IMG_FMT_I422;
else if (subsampling_x == 1 && subsampling_y == 1)
fmt = AOM_IMG_FMT_I420;
if (use_highbitdepth) fmt |= AOM_IMG_FMT_HIGHBITDEPTH;
return fmt;
}
static aom_codec_err_t ctrl_get_img_format(aom_codec_alg_priv_t *ctx,
va_list args) {
aom_img_fmt_t *const img_fmt = va_arg(args, aom_img_fmt_t *);
AVxWorker *const worker = ctx->frame_worker;
if (img_fmt) {
if (worker) {
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
*img_fmt = get_img_format(cm->seq_params->subsampling_x,
cm->seq_params->subsampling_y,
cm->seq_params->use_highbitdepth);
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_tile_size(aom_codec_alg_priv_t *ctx,
va_list args) {
unsigned int *const tile_size = va_arg(args, unsigned int *);
AVxWorker *const worker = ctx->frame_worker;
if (tile_size) {
if (worker) {
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
const AV1_COMMON *const cm = &frame_worker_data->pbi->common;
int tile_width, tile_height;
if (!av1_get_uniform_tile_size(cm, &tile_width, &tile_height)) {
return AOM_CODEC_CORRUPT_FRAME;
}
*tile_size = ((tile_width * MI_SIZE) << 16) + tile_height * MI_SIZE;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_tile_count(aom_codec_alg_priv_t *ctx,
va_list args) {
unsigned int *const tile_count = va_arg(args, unsigned int *);
if (tile_count) {
AVxWorker *const worker = ctx->frame_worker;
if (worker) {
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
*tile_count = frame_worker_data->pbi->tile_count_minus_1 + 1;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
}
static aom_codec_err_t ctrl_get_base_q_idx(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const arg = va_arg(args, int *);
if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)ctx->frame_worker->data1;
*arg = frame_worker_data->pbi->common.quant_params.base_qindex;
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_show_frame_flag(aom_codec_alg_priv_t *ctx,
va_list args) {
int *const arg = va_arg(args, int *);
if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)ctx->frame_worker->data1;
*arg = frame_worker_data->pbi->common.show_frame;
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_order_hint(aom_codec_alg_priv_t *ctx,
va_list args) {
unsigned int *const arg = va_arg(args, unsigned int *);
if (arg == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)ctx->frame_worker->data1;
*arg = frame_worker_data->pbi->common.current_frame.order_hint;
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_mi_info(aom_codec_alg_priv_t *ctx,
va_list args) {
int mi_row = va_arg(args, int);
int mi_col = va_arg(args, int);
MB_MODE_INFO *mi = va_arg(args, MB_MODE_INFO *);
if (mi == NULL) return AOM_CODEC_INVALID_PARAM;
if (ctx->frame_worker == NULL) return AOM_CODEC_ERROR;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)ctx->frame_worker->data1;
if (frame_worker_data == NULL) return AOM_CODEC_ERROR;
AV1_COMMON *cm = &frame_worker_data->pbi->common;
const int mi_rows = cm->mi_params.mi_rows;
const int mi_cols = cm->mi_params.mi_cols;
const int mi_stride = cm->mi_params.mi_stride;
const int offset = mi_row * mi_stride + mi_col;
if (mi_row < 0 || mi_row >= mi_rows || mi_col < 0 || mi_col >= mi_cols) {
return AOM_CODEC_INVALID_PARAM;
}
memcpy(mi, cm->mi_params.mi_grid_base[offset], sizeof(*mi));
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_invert_tile_order(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->invert_tile_order = va_arg(args, int);
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_byte_alignment(aom_codec_alg_priv_t *ctx,
va_list args) {
const int legacy_byte_alignment = 0;
const int min_byte_alignment = 32;
const int max_byte_alignment = 1024;
const int byte_alignment = va_arg(args, int);
if (byte_alignment != legacy_byte_alignment &&
(byte_alignment < min_byte_alignment ||
byte_alignment > max_byte_alignment ||
(byte_alignment & (byte_alignment - 1)) != 0))
return AOM_CODEC_INVALID_PARAM;
ctx->byte_alignment = byte_alignment;
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
frame_worker_data->pbi->common.features.byte_alignment = byte_alignment;
}
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_skip_loop_filter(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->skip_loop_filter = va_arg(args, int);
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
frame_worker_data->pbi->skip_loop_filter = ctx->skip_loop_filter;
}
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_skip_film_grain(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->skip_film_grain = va_arg(args, int);
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
frame_worker_data->pbi->skip_film_grain = ctx->skip_film_grain;
}
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_get_accounting(aom_codec_alg_priv_t *ctx,
va_list args) {
#if !CONFIG_ACCOUNTING
(void)ctx;
(void)args;
return AOM_CODEC_INCAPABLE;
#else
Accounting **acct = va_arg(args, Accounting **);
if (acct) {
if (ctx->frame_worker) {
AVxWorker *const worker = ctx->frame_worker;
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
AV1Decoder *pbi = frame_worker_data->pbi;
*acct = &pbi->accounting;
return AOM_CODEC_OK;
} else {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_INVALID_PARAM;
#endif
}
static aom_codec_err_t ctrl_set_decode_tile_row(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->decode_tile_row = va_arg(args, int);
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_decode_tile_col(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->decode_tile_col = va_arg(args, int);
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_tile_mode(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->tile_mode = va_arg(args, unsigned int);
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_is_annexb(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->is_annexb = va_arg(args, unsigned int);
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_operating_point(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->operating_point = va_arg(args, int);
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_output_all_layers(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->output_all_layers = va_arg(args, int);
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_inspection_callback(aom_codec_alg_priv_t *ctx,
va_list args) {
#if !CONFIG_INSPECTION
(void)ctx;
(void)args;
return AOM_CODEC_INCAPABLE;
#else
aom_inspect_init *init = va_arg(args, aom_inspect_init *);
ctx->inspect_cb = init->inspect_cb;
ctx->inspect_ctx = init->inspect_ctx;
return AOM_CODEC_OK;
#endif
}
static aom_codec_err_t ctrl_ext_tile_debug(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->ext_tile_debug = va_arg(args, int);
return AOM_CODEC_OK;
}
static aom_codec_err_t ctrl_set_row_mt(aom_codec_alg_priv_t *ctx,
va_list args) {
ctx->row_mt = va_arg(args, unsigned int);
return AOM_CODEC_OK;
}
static aom_codec_ctrl_fn_map_t decoder_ctrl_maps[] = {
{ AV1_COPY_REFERENCE, ctrl_copy_reference },
// Setters
{ AV1_SET_REFERENCE, ctrl_set_reference },
{ AV1_INVERT_TILE_DECODE_ORDER, ctrl_set_invert_tile_order },
{ AV1_SET_BYTE_ALIGNMENT, ctrl_set_byte_alignment },
{ AV1_SET_SKIP_LOOP_FILTER, ctrl_set_skip_loop_filter },
{ AV1_SET_DECODE_TILE_ROW, ctrl_set_decode_tile_row },
{ AV1_SET_DECODE_TILE_COL, ctrl_set_decode_tile_col },
{ AV1_SET_TILE_MODE, ctrl_set_tile_mode },
{ AV1D_SET_IS_ANNEXB, ctrl_set_is_annexb },
{ AV1D_SET_OPERATING_POINT, ctrl_set_operating_point },
{ AV1D_SET_OUTPUT_ALL_LAYERS, ctrl_set_output_all_layers },
{ AV1_SET_INSPECTION_CALLBACK, ctrl_set_inspection_callback },
{ AV1D_EXT_TILE_DEBUG, ctrl_ext_tile_debug },
{ AV1D_SET_ROW_MT, ctrl_set_row_mt },
{ AV1D_SET_EXT_REF_PTR, ctrl_set_ext_ref_ptr },
{ AV1D_SET_SKIP_FILM_GRAIN, ctrl_set_skip_film_grain },
// Getters
{ AOMD_GET_FRAME_CORRUPTED, ctrl_get_frame_corrupted },
{ AOMD_GET_LAST_QUANTIZER, ctrl_get_last_quantizer },
{ AOMD_GET_LAST_REF_UPDATES, ctrl_get_last_ref_updates },
{ AV1D_GET_BIT_DEPTH, ctrl_get_bit_depth },
{ AV1D_GET_IMG_FORMAT, ctrl_get_img_format },
{ AV1D_GET_TILE_SIZE, ctrl_get_tile_size },
{ AV1D_GET_TILE_COUNT, ctrl_get_tile_count },
{ AV1D_GET_DISPLAY_SIZE, ctrl_get_render_size },
{ AV1D_GET_FRAME_SIZE, ctrl_get_frame_size },
{ AV1_GET_ACCOUNTING, ctrl_get_accounting },
{ AV1_GET_NEW_FRAME_IMAGE, ctrl_get_new_frame_image },
{ AV1_COPY_NEW_FRAME_IMAGE, ctrl_copy_new_frame_image },
{ AV1_GET_REFERENCE, ctrl_get_reference },
{ AV1D_GET_FRAME_HEADER_INFO, ctrl_get_frame_header_info },
{ AV1D_GET_TILE_DATA, ctrl_get_tile_data },
{ AOMD_GET_FWD_KF_PRESENT, ctrl_get_fwd_kf_value },
{ AOMD_GET_ALTREF_PRESENT, ctrl_get_altref_present },
{ AOMD_GET_FRAME_FLAGS, ctrl_get_frame_flags },
{ AOMD_GET_TILE_INFO, ctrl_get_tile_info },
{ AOMD_GET_SCREEN_CONTENT_TOOLS_INFO, ctrl_get_screen_content_tools_info },
{ AOMD_GET_STILL_PICTURE, ctrl_get_still_picture },
{ AOMD_GET_SB_SIZE, ctrl_get_sb_size },
{ AOMD_GET_SHOW_EXISTING_FRAME_FLAG, ctrl_get_show_existing_frame_flag },
{ AOMD_GET_S_FRAME_INFO, ctrl_get_s_frame_info },
{ AOMD_GET_SHOW_FRAME_FLAG, ctrl_get_show_frame_flag },
{ AOMD_GET_BASE_Q_IDX, ctrl_get_base_q_idx },
{ AOMD_GET_ORDER_HINT, ctrl_get_order_hint },
{ AV1D_GET_MI_INFO, ctrl_get_mi_info },
CTRL_MAP_END,
};
// This data structure and function are exported in aom/aomdx.h
#ifndef VERSION_STRING
#define VERSION_STRING
#endif
aom_codec_iface_t aom_codec_av1_dx_algo = {
"AOMedia Project AV1 Decoder" VERSION_STRING,
AOM_CODEC_INTERNAL_ABI_VERSION,
AOM_CODEC_CAP_DECODER |
AOM_CODEC_CAP_EXTERNAL_FRAME_BUFFER, // aom_codec_caps_t
decoder_init, // aom_codec_init_fn_t
decoder_destroy, // aom_codec_destroy_fn_t
decoder_ctrl_maps, // aom_codec_ctrl_fn_map_t
{
// NOLINT
decoder_peek_si, // aom_codec_peek_si_fn_t
decoder_get_si, // aom_codec_get_si_fn_t
decoder_decode, // aom_codec_decode_fn_t
decoder_get_frame, // aom_codec_get_frame_fn_t
decoder_set_fb_fn, // aom_codec_set_fb_fn_t
},
{
// NOLINT
0,
NULL, // aom_codec_enc_cfg_t
NULL, // aom_codec_encode_fn_t
NULL, // aom_codec_get_cx_data_fn_t
NULL, // aom_codec_enc_config_set_fn_t
NULL, // aom_codec_get_global_headers_fn_t
NULL // aom_codec_get_preview_frame_fn_t
},
NULL // aom_codec_set_option_fn_t
};
// Decoder interface for inspecting frame data. It uses decoder_inspect instead
// of decoder_decode so it only decodes one frame at a time, whether the frame
// is shown or not.
aom_codec_iface_t aom_codec_av1_inspect_algo = {
"AOMedia Project AV1 Decoder Inspector" VERSION_STRING,
AOM_CODEC_INTERNAL_ABI_VERSION,
AOM_CODEC_CAP_DECODER |
AOM_CODEC_CAP_EXTERNAL_FRAME_BUFFER, // aom_codec_caps_t
decoder_init, // aom_codec_init_fn_t
decoder_destroy, // aom_codec_destroy_fn_t
decoder_ctrl_maps, // aom_codec_ctrl_fn_map_t
{
// NOLINT
decoder_peek_si, // aom_codec_peek_si_fn_t
decoder_get_si, // aom_codec_get_si_fn_t
decoder_inspect, // aom_codec_decode_fn_t
decoder_get_frame, // aom_codec_get_frame_fn_t
decoder_set_fb_fn, // aom_codec_set_fb_fn_t
},
{
// NOLINT
0,
NULL, // aom_codec_enc_cfg_t
NULL, // aom_codec_encode_fn_t
NULL, // aom_codec_get_cx_data_fn_t
NULL, // aom_codec_enc_config_set_fn_t
NULL, // aom_codec_get_global_headers_fn_t
NULL // aom_codec_get_preview_frame_fn_t
},
NULL // aom_codec_set_option_fn_t
};
aom_codec_iface_t *aom_codec_av1_dx(void) { return &aom_codec_av1_dx_algo; }
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