aom/vp9/decoder/vp9_onyxd_if.c

437 строки
12 KiB
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdio.h>
#include <assert.h>
#include "vp9/common/vp9_onyxc_int.h"
#if CONFIG_POSTPROC
#include "vp9/common/vp9_postproc.h"
#endif
#include "vp9/decoder/vp9_onyxd.h"
#include "vp9/decoder/vp9_onyxd_int.h"
#include "vpx_mem/vpx_mem.h"
#include "vp9/common/vp9_alloccommon.h"
#include "vp9/common/vp9_loopfilter.h"
#include "vp9/common/vp9_quant_common.h"
#include "vpx_scale/vpx_scale.h"
#include "vp9/common/vp9_systemdependent.h"
#include "vpx_ports/vpx_timer.h"
#include "vp9/decoder/vp9_decodframe.h"
#include "vp9/decoder/vp9_detokenize.h"
#include "./vpx_scale_rtcd.h"
#define WRITE_RECON_BUFFER 0
#if WRITE_RECON_BUFFER == 1
static void recon_write_yuv_frame(const char *name,
const YV12_BUFFER_CONFIG *s,
int w, int _h) {
FILE *yuv_file = fopen(name, "ab");
const uint8_t *src = s->y_buffer;
int h = _h;
do {
fwrite(src, w, 1, yuv_file);
src += s->y_stride;
} while (--h);
src = s->u_buffer;
h = (_h + 1) >> 1;
w = (w + 1) >> 1;
do {
fwrite(src, w, 1, yuv_file);
src += s->uv_stride;
} while (--h);
src = s->v_buffer;
h = (_h + 1) >> 1;
do {
fwrite(src, w, 1, yuv_file);
src += s->uv_stride;
} while (--h);
fclose(yuv_file);
}
#endif
#if WRITE_RECON_BUFFER == 2
void write_dx_frame_to_file(YV12_BUFFER_CONFIG *frame, int this_frame) {
// write the frame
FILE *yframe;
int i;
char filename[255];
sprintf(filename, "dx\\y%04d.raw", this_frame);
yframe = fopen(filename, "wb");
for (i = 0; i < frame->y_height; i++)
fwrite(frame->y_buffer + i * frame->y_stride,
frame->y_width, 1, yframe);
fclose(yframe);
sprintf(filename, "dx\\u%04d.raw", this_frame);
yframe = fopen(filename, "wb");
for (i = 0; i < frame->uv_height; i++)
fwrite(frame->u_buffer + i * frame->uv_stride,
frame->uv_width, 1, yframe);
fclose(yframe);
sprintf(filename, "dx\\v%04d.raw", this_frame);
yframe = fopen(filename, "wb");
for (i = 0; i < frame->uv_height; i++)
fwrite(frame->v_buffer + i * frame->uv_stride,
frame->uv_width, 1, yframe);
fclose(yframe);
}
#endif
void vp9_initialize_dec() {
static int init_done = 0;
if (!init_done) {
vp9_initialize_common();
vp9_init_quant_tables();
init_done = 1;
}
}
VP9D_PTR vp9_create_decompressor(VP9D_CONFIG *oxcf) {
VP9D_COMP *const pbi = vpx_memalign(32, sizeof(VP9D_COMP));
if (!pbi)
return NULL;
vpx_memset(pbi, 0, sizeof(VP9D_COMP));
if (setjmp(pbi->common.error.jmp)) {
pbi->common.error.setjmp = 0;
vp9_remove_decompressor(pbi);
return NULL;
}
pbi->common.error.setjmp = 1;
vp9_initialize_dec();
vp9_create_common(&pbi->common);
pbi->oxcf = *oxcf;
pbi->common.current_video_frame = 0;
pbi->ready_for_new_data = 1;
// vp9_init_dequantizer() is first called here. Add check in
// frame_init_dequantizer() to avoid unnecessary calling of
// vp9_init_dequantizer() for every frame.
vp9_init_dequantizer(&pbi->common);
vp9_loop_filter_init(&pbi->common);
pbi->common.error.setjmp = 0;
pbi->decoded_key_frame = 0;
return pbi;
}
void vp9_remove_decompressor(VP9D_PTR ptr) {
VP9D_COMP *const pbi = (VP9D_COMP *)ptr;
if (!pbi)
return;
if (pbi->common.last_frame_seg_map)
vpx_free(pbi->common.last_frame_seg_map);
vp9_remove_common(&pbi->common);
vpx_free(pbi->mbc);
vpx_free(pbi);
}
static int equal_dimensions(YV12_BUFFER_CONFIG *a, 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;
}
vpx_codec_err_t vp9_copy_reference_dec(VP9D_PTR ptr,
VP9_REFFRAME ref_frame_flag,
YV12_BUFFER_CONFIG *sd) {
VP9D_COMP *pbi = (VP9D_COMP *) ptr;
VP9_COMMON *cm = &pbi->common;
int ref_fb_idx;
/* TODO(jkoleszar): The decoder doesn't have any real knowledge of what the
* encoder is using the frame buffers for. This is just a stub to keep the
* vpxenc --test-decode functionality working, and will be replaced in a
* later commit that adds VP9-specific controls for this functionality.
*/
if (ref_frame_flag == VP9_LAST_FLAG) {
ref_fb_idx = pbi->common.ref_frame_map[0];
} else {
vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
"Invalid reference frame");
return pbi->common.error.error_code;
}
if (!equal_dimensions(&cm->yv12_fb[ref_fb_idx], sd)) {
vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
"Incorrect buffer dimensions");
} else {
vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd);
}
return pbi->common.error.error_code;
}
vpx_codec_err_t vp9_set_reference_dec(VP9D_PTR ptr, VP9_REFFRAME ref_frame_flag,
YV12_BUFFER_CONFIG *sd) {
VP9D_COMP *pbi = (VP9D_COMP *) ptr;
VP9_COMMON *cm = &pbi->common;
int *ref_fb_ptr = NULL;
/* TODO(jkoleszar): The decoder doesn't have any real knowledge of what the
* encoder is using the frame buffers for. This is just a stub to keep the
* vpxenc --test-decode functionality working, and will be replaced in a
* later commit that adds VP9-specific controls for this functionality.
*/
if (ref_frame_flag == VP9_LAST_FLAG)
ref_fb_ptr = &pbi->common.active_ref_idx[0];
else if (ref_frame_flag == VP9_GOLD_FLAG)
ref_fb_ptr = &pbi->common.active_ref_idx[1];
else if (ref_frame_flag == VP9_ALT_FLAG)
ref_fb_ptr = &pbi->common.active_ref_idx[2];
else {
vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
"Invalid reference frame");
return pbi->common.error.error_code;
}
if (!equal_dimensions(&cm->yv12_fb[*ref_fb_ptr], sd)) {
vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
"Incorrect buffer dimensions");
} else {
// Find an empty frame buffer.
const int free_fb = get_free_fb(cm);
// Decrease fb_idx_ref_cnt since it will be increased again in
// ref_cnt_fb() below.
cm->fb_idx_ref_cnt[free_fb]--;
// Manage the reference counters and copy image.
ref_cnt_fb(cm->fb_idx_ref_cnt, ref_fb_ptr, free_fb);
vp8_yv12_copy_frame(sd, &cm->yv12_fb[*ref_fb_ptr]);
}
return pbi->common.error.error_code;
}
int vp9_get_reference_dec(VP9D_PTR ptr, int index, YV12_BUFFER_CONFIG **fb) {
VP9D_COMP *pbi = (VP9D_COMP *) ptr;
VP9_COMMON *cm = &pbi->common;
if (index < 0 || index >= NUM_REF_FRAMES)
return -1;
*fb = &cm->yv12_fb[cm->ref_frame_map[index]];
return 0;
}
/* If any buffer updating is signaled it should be done here. */
static void swap_frame_buffers(VP9D_COMP *pbi) {
int ref_index = 0, mask;
for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) {
if (mask & 1) {
ref_cnt_fb(pbi->common.fb_idx_ref_cnt,
&pbi->common.ref_frame_map[ref_index],
pbi->common.new_fb_idx);
}
++ref_index;
}
pbi->common.frame_to_show = &pbi->common.yv12_fb[pbi->common.new_fb_idx];
pbi->common.fb_idx_ref_cnt[pbi->common.new_fb_idx]--;
/* Invalidate these references until the next frame starts. */
for (ref_index = 0; ref_index < 3; ref_index++)
pbi->common.active_ref_idx[ref_index] = INT_MAX;
}
int vp9_receive_compressed_data(VP9D_PTR ptr,
uint64_t size, const uint8_t **psource,
int64_t time_stamp) {
VP9D_COMP *pbi = (VP9D_COMP *) ptr;
VP9_COMMON *cm = &pbi->common;
const uint8_t *source = *psource;
int retcode = 0;
/*if(pbi->ready_for_new_data == 0)
return -1;*/
if (ptr == 0)
return -1;
pbi->common.error.error_code = VPX_CODEC_OK;
pbi->source = source;
pbi->source_sz = size;
if (pbi->source_sz == 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.
*/
if (cm->active_ref_idx[0] != INT_MAX)
cm->yv12_fb[cm->active_ref_idx[0]].corrupted = 1;
}
cm->new_fb_idx = get_free_fb(cm);
if (setjmp(pbi->common.error.jmp)) {
pbi->common.error.setjmp = 0;
/* 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.
*/
if (cm->active_ref_idx[0] != INT_MAX)
cm->yv12_fb[cm->active_ref_idx[0]].corrupted = 1;
if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
return -1;
}
pbi->common.error.setjmp = 1;
retcode = vp9_decode_frame(pbi, psource);
if (retcode < 0) {
pbi->common.error.error_code = VPX_CODEC_ERROR;
pbi->common.error.setjmp = 0;
if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
return retcode;
}
{
swap_frame_buffers(pbi);
#if WRITE_RECON_BUFFER == 2
if (cm->show_frame)
write_dx_frame_to_file(cm->frame_to_show,
cm->current_video_frame);
else
write_dx_frame_to_file(cm->frame_to_show,
cm->current_video_frame + 1000);
#endif
if (cm->filter_level) {
/* Apply the loop filter if appropriate. */
vp9_loop_filter_frame(cm, &pbi->mb, cm->filter_level, 0);
}
#if WRITE_RECON_BUFFER == 2
if (cm->show_frame)
write_dx_frame_to_file(cm->frame_to_show,
cm->current_video_frame + 2000);
else
write_dx_frame_to_file(cm->frame_to_show,
cm->current_video_frame + 3000);
#endif
vp9_extend_frame_borders(cm->frame_to_show,
cm->subsampling_x, cm->subsampling_y);
}
#if WRITE_RECON_BUFFER == 1
if (cm->show_frame)
recon_write_yuv_frame("recon.yuv", cm->frame_to_show,
cm->width, cm->height);
#endif
vp9_clear_system_state();
cm->last_show_frame = cm->show_frame;
if (cm->show_frame) {
// current mip will be the prev_mip for the next frame
MODE_INFO *temp = cm->prev_mip;
cm->prev_mip = cm->mip;
cm->mip = temp;
// update the upper left visible macroblock ptrs
cm->mi = cm->mip + cm->mode_info_stride + 1;
cm->prev_mi = cm->prev_mip + cm->mode_info_stride + 1;
cm->current_video_frame++;
}
/*vp9_print_modes_and_motion_vectors(cm->mi, cm->mb_rows,cm->mb_cols,
cm->current_video_frame);*/
pbi->ready_for_new_data = 0;
pbi->last_time_stamp = time_stamp;
pbi->source_sz = 0;
pbi->common.error.setjmp = 0;
return retcode;
}
int vp9_get_raw_frame(VP9D_PTR ptr, YV12_BUFFER_CONFIG *sd,
int64_t *time_stamp, int64_t *time_end_stamp,
vp9_ppflags_t *flags) {
int ret = -1;
VP9D_COMP *pbi = (VP9D_COMP *) ptr;
if (pbi->ready_for_new_data == 1)
return ret;
/* ie no raw frame to show!!! */
if (pbi->common.show_frame == 0)
return ret;
pbi->ready_for_new_data = 1;
*time_stamp = pbi->last_time_stamp;
*time_end_stamp = 0;
sd->clrtype = pbi->common.clr_type;
#if CONFIG_POSTPROC
ret = vp9_post_proc_frame(&pbi->common, sd, flags);
#else
if (pbi->common.frame_to_show) {
*sd = *pbi->common.frame_to_show;
sd->y_width = pbi->common.width;
sd->y_height = pbi->common.height;
sd->uv_height = pbi->common.height / 2;
ret = 0;
} else {
ret = -1;
}
#endif /*!CONFIG_POSTPROC*/
vp9_clear_system_state();
return ret;
}