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vpx/vp9/decoder/vp9_onyxd_if.c
Dmitry Kovalev ba41e9d459 Adding RefBuffer struct. 
Adding RefBuffer to simplify reference buffer management. The struct has a
pointer to image data and scale factors relative to the current frame.

Change-Id: If38eb1491ff687cc11428aee339f3e052e2c5d9e
2014-01-03 15:21:55 -08:00

462 lines
13 KiB
C
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/*
* 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 <assert.h>
#include <limits.h>
#include <stdio.h>
#include "vp9/common/vp9_onyxc_int.h"
#if CONFIG_VP9_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_decodeframe.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];
snprintf(filename, sizeof(filename)-1, "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);
snprintf(filename, sizeof(filename)-1, "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);
snprintf(filename, sizeof(filename)-1, "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;
}
}
static void init_macroblockd(VP9D_COMP *const pbi) {
MACROBLOCKD *xd = &pbi->mb;
struct macroblockd_plane *const pd = xd->plane;
int i;
for (i = 0; i < MAX_MB_PLANE; ++i)
pd[i].dqcoeff = pbi->dqcoeff[i];
}
VP9D_PTR vp9_create_decompressor(VP9D_CONFIG *oxcf) {
VP9D_COMP *const pbi = vpx_memalign(32, sizeof(VP9D_COMP));
VP9_COMMON *const cm = pbi ? &pbi->common : NULL;
if (!cm)
return NULL;
vp9_zero(*pbi);
// Initialize the references to not point to any frame buffers.
memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
if (setjmp(cm->error.jmp)) {
cm->error.setjmp = 0;
vp9_remove_decompressor(pbi);
return NULL;
}
cm->error.setjmp = 1;
vp9_initialize_dec();
vp9_create_common(cm);
pbi->oxcf = *oxcf;
pbi->ready_for_new_data = 1;
cm->current_video_frame = 0;
// 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(cm);
vp9_loop_filter_init(cm);
cm->error.setjmp = 0;
pbi->decoded_key_frame = 0;
init_macroblockd(pbi);
vp9_worker_init(&pbi->lf_worker);
return pbi;
}
void vp9_remove_decompressor(VP9D_PTR ptr) {
int i;
VP9D_COMP *const pbi = (VP9D_COMP *)ptr;
if (!pbi)
return;
vp9_remove_common(&pbi->common);
vp9_worker_end(&pbi->lf_worker);
vpx_free(pbi->lf_worker.data1);
for (i = 0; i < pbi->num_tile_workers; ++i) {
VP9Worker *const worker = &pbi->tile_workers[i];
vp9_worker_end(worker);
vpx_free(worker->data1);
vpx_free(worker->data2);
}
vpx_free(pbi->tile_workers);
vpx_free(pbi->mi_streams);
vpx_free(pbi->above_context[0]);
vpx_free(pbi->above_seg_context);
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;
/* 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) {
YV12_BUFFER_CONFIG *cfg = &cm->yv12_fb[cm->ref_frame_map[0]];
if (!equal_dimensions(cfg, sd))
vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
"Incorrect buffer dimensions");
else
vp8_yv12_copy_frame(cfg, sd);
} else {
vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
"Invalid reference frame");
}
return cm->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;
RefBuffer *ref_buf = 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_buf = &cm->frame_refs[0];
} else if (ref_frame_flag == VP9_GOLD_FLAG) {
ref_buf = &cm->frame_refs[1];
} else if (ref_frame_flag == VP9_ALT_FLAG) {
ref_buf = &cm->frame_refs[2];
} else {
vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
"Invalid reference frame");
return pbi->common.error.error_code;
}
if (!equal_dimensions(ref_buf->buf, sd)) {
vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
"Incorrect buffer dimensions");
} else {
int *ref_fb_ptr = &ref_buf->idx;
// 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);
ref_buf->buf = &cm->yv12_fb[*ref_fb_ptr];
vp8_yv12_copy_frame(sd, ref_buf->buf);
}
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 >= 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;
VP9_COMMON *const cm = &pbi->common;
for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) {
if (mask & 1)
ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->ref_frame_map[ref_index],
cm->new_fb_idx);
++ref_index;
}
cm->frame_to_show = get_frame_new_buffer(cm);
cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
// Invalidate these references until the next frame starts.
for (ref_index = 0; ref_index < 3; ref_index++)
cm->frame_refs[ref_index].idx = INT_MAX;
}
int vp9_receive_compressed_data(VP9D_PTR ptr,
size_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;
cm->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->frame_refs[0].idx != INT_MAX)
cm->frame_refs[0].buf->corrupted = 1;
}
cm->new_fb_idx = get_free_fb(cm);
if (setjmp(cm->error.jmp)) {
cm->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->frame_refs[0].idx != INT_MAX)
cm->frame_refs[0].buf->corrupted = 1;
if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
return -1;
}
cm->error.setjmp = 1;
retcode = vp9_decode_frame(pbi, psource);
if (retcode < 0) {
cm->error.error_code = VPX_CODEC_ERROR;
cm->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 (!pbi->do_loopfilter_inline) {
vp9_loop_filter_frame(cm, &pbi->mb, pbi->common.lf.filter_level, 0, 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
#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) {
if (!cm->show_existing_frame) {
// current mip will be the prev_mip for the next frame
MODE_INFO *temp = cm->prev_mip;
MODE_INFO **temp2 = cm->prev_mi_grid_base;
cm->prev_mip = cm->mip;
cm->mip = temp;
cm->prev_mi_grid_base = cm->mi_grid_base;
cm->mi_grid_base = temp2;
// 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->mi_grid_visible = cm->mi_grid_base + cm->mode_info_stride + 1;
cm->prev_mi_grid_visible = cm->prev_mi_grid_base +
cm->mode_info_stride + 1;
pbi->mb.mi_8x8 = cm->mi_grid_visible;
pbi->mb.mi_8x8[0] = cm->mi;
}
cm->current_video_frame++;
}
pbi->ready_for_new_data = 0;
pbi->last_time_stamp = time_stamp;
pbi->source_sz = 0;
cm->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;
#if CONFIG_VP9_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_width = sd->y_width >> pbi->common.subsampling_x;
sd->uv_height = sd->y_height >> pbi->common.subsampling_y;
ret = 0;
} else {
ret = -1;
}
#endif /*!CONFIG_POSTPROC*/
vp9_clear_system_state();
return ret;
}
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