/media/libvpx/vp8/decoder/onyxd_if.c
http://github.com/zpao/v8monkey · C · 597 lines · 442 code · 101 blank · 54 comment · 96 complexity · 4fb63de99f41f7c9d0ed1bd1a2843170 MD5 · raw file
- /*
- * 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 "vp8/common/onyxc_int.h"
- #if CONFIG_POSTPROC
- #include "vp8/common/postproc.h"
- #endif
- #include "vp8/common/onyxd.h"
- #include "onyxd_int.h"
- #include "vpx_mem/vpx_mem.h"
- #include "vp8/common/alloccommon.h"
- #include "vpx_scale/yv12extend.h"
- #include "vp8/common/loopfilter.h"
- #include "vp8/common/swapyv12buffer.h"
- #include "vp8/common/g_common.h"
- #include "vp8/common/threading.h"
- #include "decoderthreading.h"
- #include <stdio.h>
- #include <assert.h>
- #include "vp8/common/quant_common.h"
- #include "vpx_scale/vpxscale.h"
- #include "vp8/common/systemdependent.h"
- #include "vpx_ports/vpx_timer.h"
- #include "detokenize.h"
- #if CONFIG_ERROR_CONCEALMENT
- #include "error_concealment.h"
- #endif
- #if ARCH_ARM
- #include "vpx_ports/arm.h"
- #endif
- extern void vp8_init_loop_filter(VP8_COMMON *cm);
- extern void vp8cx_init_de_quantizer(VP8D_COMP *pbi);
- static int get_free_fb (VP8_COMMON *cm);
- static void ref_cnt_fb (int *buf, int *idx, int new_idx);
- void vp8dx_initialize()
- {
- static int init_done = 0;
- if (!init_done)
- {
- vp8_initialize_common();
- vp8_scale_machine_specific_config();
- init_done = 1;
- }
- }
- VP8D_PTR vp8dx_create_decompressor(VP8D_CONFIG *oxcf)
- {
- VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP));
- if (!pbi)
- return NULL;
- vpx_memset(pbi, 0, sizeof(VP8D_COMP));
- if (setjmp(pbi->common.error.jmp))
- {
- pbi->common.error.setjmp = 0;
- vp8dx_remove_decompressor(pbi);
- return 0;
- }
- pbi->common.error.setjmp = 1;
- vp8dx_initialize();
- vp8_create_common(&pbi->common);
- vp8_dmachine_specific_config(pbi);
- pbi->common.current_video_frame = 0;
- pbi->ready_for_new_data = 1;
- #if CONFIG_MULTITHREAD
- pbi->max_threads = oxcf->max_threads;
- vp8_decoder_create_threads(pbi);
- #endif
- /* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid
- * unnecessary calling of vp8cx_init_de_quantizer() for every frame.
- */
- vp8cx_init_de_quantizer(pbi);
- vp8_loop_filter_init(&pbi->common);
- pbi->common.error.setjmp = 0;
- #if CONFIG_ERROR_CONCEALMENT
- pbi->ec_enabled = oxcf->error_concealment;
- #else
- pbi->ec_enabled = 0;
- #endif
- /* Error concealment is activated after a key frame has been
- * decoded without errors when error concealment is enabled.
- */
- pbi->ec_active = 0;
- pbi->decoded_key_frame = 0;
- pbi->input_partition = oxcf->input_partition;
- /* Independent partitions is activated when a frame updates the
- * token probability table to have equal probabilities over the
- * PREV_COEF context.
- */
- pbi->independent_partitions = 0;
- return (VP8D_PTR) pbi;
- }
- void vp8dx_remove_decompressor(VP8D_PTR ptr)
- {
- VP8D_COMP *pbi = (VP8D_COMP *) ptr;
- if (!pbi)
- return;
- #if CONFIG_MULTITHREAD
- if (pbi->b_multithreaded_rd)
- vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows);
- vp8_decoder_remove_threads(pbi);
- #endif
- #if CONFIG_ERROR_CONCEALMENT
- vp8_de_alloc_overlap_lists(pbi);
- #endif
- vp8_remove_common(&pbi->common);
- vpx_free(pbi->mbc);
- vpx_free(pbi);
- }
- vpx_codec_err_t vp8dx_get_reference(VP8D_PTR ptr, VP8_REFFRAME ref_frame_flag, YV12_BUFFER_CONFIG *sd)
- {
- VP8D_COMP *pbi = (VP8D_COMP *) ptr;
- VP8_COMMON *cm = &pbi->common;
- int ref_fb_idx;
- if (ref_frame_flag == VP8_LAST_FLAG)
- ref_fb_idx = cm->lst_fb_idx;
- else if (ref_frame_flag == VP8_GOLD_FLAG)
- ref_fb_idx = cm->gld_fb_idx;
- else if (ref_frame_flag == VP8_ALT_FLAG)
- ref_fb_idx = cm->alt_fb_idx;
- else{
- vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
- "Invalid reference frame");
- return pbi->common.error.error_code;
- }
- if(cm->yv12_fb[ref_fb_idx].y_height != sd->y_height ||
- cm->yv12_fb[ref_fb_idx].y_width != sd->y_width ||
- cm->yv12_fb[ref_fb_idx].uv_height != sd->uv_height ||
- cm->yv12_fb[ref_fb_idx].uv_width != sd->uv_width){
- vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
- "Incorrect buffer dimensions");
- }
- else
- vp8_yv12_copy_frame_ptr(&cm->yv12_fb[ref_fb_idx], sd);
- return pbi->common.error.error_code;
- }
- vpx_codec_err_t vp8dx_set_reference(VP8D_PTR ptr, VP8_REFFRAME ref_frame_flag, YV12_BUFFER_CONFIG *sd)
- {
- VP8D_COMP *pbi = (VP8D_COMP *) ptr;
- VP8_COMMON *cm = &pbi->common;
- int *ref_fb_ptr = NULL;
- int free_fb;
- if (ref_frame_flag == VP8_LAST_FLAG)
- ref_fb_ptr = &cm->lst_fb_idx;
- else if (ref_frame_flag == VP8_GOLD_FLAG)
- ref_fb_ptr = &cm->gld_fb_idx;
- else if (ref_frame_flag == VP8_ALT_FLAG)
- ref_fb_ptr = &cm->alt_fb_idx;
- else{
- vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
- "Invalid reference frame");
- return pbi->common.error.error_code;
- }
- if(cm->yv12_fb[*ref_fb_ptr].y_height != sd->y_height ||
- cm->yv12_fb[*ref_fb_ptr].y_width != sd->y_width ||
- cm->yv12_fb[*ref_fb_ptr].uv_height != sd->uv_height ||
- cm->yv12_fb[*ref_fb_ptr].uv_width != sd->uv_width){
- vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
- "Incorrect buffer dimensions");
- }
- else{
- /* Find an empty frame buffer. */
- 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_ptr(sd, &cm->yv12_fb[*ref_fb_ptr]);
- }
- return pbi->common.error.error_code;
- }
- /*For ARM NEON, d8-d15 are callee-saved registers, and need to be saved by us.*/
- #if HAVE_ARMV7
- extern void vp8_push_neon(int64_t *store);
- extern void vp8_pop_neon(int64_t *store);
- #endif
- static int get_free_fb (VP8_COMMON *cm)
- {
- int i;
- for (i = 0; i < NUM_YV12_BUFFERS; i++)
- if (cm->fb_idx_ref_cnt[i] == 0)
- break;
- assert(i < NUM_YV12_BUFFERS);
- cm->fb_idx_ref_cnt[i] = 1;
- return i;
- }
- static void ref_cnt_fb (int *buf, int *idx, int new_idx)
- {
- if (buf[*idx] > 0)
- buf[*idx]--;
- *idx = new_idx;
- buf[new_idx]++;
- }
- /* If any buffer copy / swapping is signalled it should be done here. */
- static int swap_frame_buffers (VP8_COMMON *cm)
- {
- int err = 0;
- /* The alternate reference frame or golden frame can be updated
- * using the new, last, or golden/alt ref frame. If it
- * is updated using the newly decoded frame it is a refresh.
- * An update using the last or golden/alt ref frame is a copy.
- */
- if (cm->copy_buffer_to_arf)
- {
- int new_fb = 0;
- if (cm->copy_buffer_to_arf == 1)
- new_fb = cm->lst_fb_idx;
- else if (cm->copy_buffer_to_arf == 2)
- new_fb = cm->gld_fb_idx;
- else
- err = -1;
- ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, new_fb);
- }
- if (cm->copy_buffer_to_gf)
- {
- int new_fb = 0;
- if (cm->copy_buffer_to_gf == 1)
- new_fb = cm->lst_fb_idx;
- else if (cm->copy_buffer_to_gf == 2)
- new_fb = cm->alt_fb_idx;
- else
- err = -1;
- ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, new_fb);
- }
- if (cm->refresh_golden_frame)
- ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, cm->new_fb_idx);
- if (cm->refresh_alt_ref_frame)
- ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, cm->new_fb_idx);
- if (cm->refresh_last_frame)
- {
- ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->lst_fb_idx, cm->new_fb_idx);
- cm->frame_to_show = &cm->yv12_fb[cm->lst_fb_idx];
- }
- else
- cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx];
- cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
- return err;
- }
- int vp8dx_receive_compressed_data(VP8D_PTR ptr, unsigned long size, const unsigned char *source, int64_t time_stamp)
- {
- #if HAVE_ARMV7
- int64_t dx_store_reg[8];
- #endif
- VP8D_COMP *pbi = (VP8D_COMP *) ptr;
- VP8_COMMON *cm = &pbi->common;
- 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;
- if (pbi->input_partition && !(source == NULL && size == 0))
- {
- /* Store a pointer to this partition and return. We haven't
- * received the complete frame yet, so we will wait with decoding.
- */
- pbi->partitions[pbi->num_partitions] = source;
- pbi->partition_sizes[pbi->num_partitions] = size;
- pbi->source_sz += size;
- pbi->num_partitions++;
- if (pbi->num_partitions > (1<<pbi->common.multi_token_partition) + 1)
- pbi->common.multi_token_partition++;
- if (pbi->common.multi_token_partition > EIGHT_PARTITION)
- {
- pbi->common.error.error_code = VPX_CODEC_UNSUP_BITSTREAM;
- pbi->common.error.setjmp = 0;
- return -1;
- }
- return 0;
- }
- else
- {
- if (!pbi->input_partition)
- {
- 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.
- */
- cm->yv12_fb[cm->lst_fb_idx].corrupted = 1;
- /* If error concealment is disabled we won't signal missing frames to
- * the decoder.
- */
- if (!pbi->ec_active)
- {
- /* Signal that we have no frame to show. */
- cm->show_frame = 0;
- pbi->num_partitions = 0;
- if (pbi->input_partition)
- pbi->common.multi_token_partition = 0;
- /* Nothing more to do. */
- return 0;
- }
- }
- #if HAVE_ARMV7
- #if CONFIG_RUNTIME_CPU_DETECT
- if (cm->rtcd.flags & HAS_NEON)
- #endif
- {
- vp8_push_neon(dx_store_reg);
- }
- #endif
- cm->new_fb_idx = get_free_fb (cm);
- if (setjmp(pbi->common.error.jmp))
- {
- #if HAVE_ARMV7
- #if CONFIG_RUNTIME_CPU_DETECT
- if (cm->rtcd.flags & HAS_NEON)
- #endif
- {
- vp8_pop_neon(dx_store_reg);
- }
- #endif
- pbi->common.error.setjmp = 0;
- pbi->num_partitions = 0;
- if (pbi->input_partition)
- pbi->common.multi_token_partition = 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.
- */
- cm->yv12_fb[cm->lst_fb_idx].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 = vp8_decode_frame(pbi);
- if (retcode < 0)
- {
- #if HAVE_ARMV7
- #if CONFIG_RUNTIME_CPU_DETECT
- if (cm->rtcd.flags & HAS_NEON)
- #endif
- {
- vp8_pop_neon(dx_store_reg);
- }
- #endif
- 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;
- }
- #if CONFIG_MULTITHREAD
- if (pbi->b_multithreaded_rd && cm->multi_token_partition != ONE_PARTITION)
- {
- if (swap_frame_buffers (cm))
- {
- #if HAVE_ARMV7
- #if CONFIG_RUNTIME_CPU_DETECT
- if (cm->rtcd.flags & HAS_NEON)
- #endif
- {
- vp8_pop_neon(dx_store_reg);
- }
- #endif
- pbi->common.error.error_code = VPX_CODEC_ERROR;
- pbi->common.error.setjmp = 0;
- return -1;
- }
- } else
- #endif
- {
- if (swap_frame_buffers (cm))
- {
- #if HAVE_ARMV7
- #if CONFIG_RUNTIME_CPU_DETECT
- if (cm->rtcd.flags & HAS_NEON)
- #endif
- {
- vp8_pop_neon(dx_store_reg);
- }
- #endif
- pbi->common.error.error_code = VPX_CODEC_ERROR;
- pbi->common.error.setjmp = 0;
- return -1;
- }
- if(cm->filter_level)
- {
- /* Apply the loop filter if appropriate. */
- vp8_loop_filter_frame(cm, &pbi->mb);
- }
- vp8_yv12_extend_frame_borders_ptr(cm->frame_to_show);
- }
- vp8_clear_system_state();
- #if CONFIG_ERROR_CONCEALMENT
- /* swap the mode infos to storage for future error concealment */
- if (pbi->ec_enabled && pbi->common.prev_mi)
- {
- const MODE_INFO* tmp = pbi->common.prev_mi;
- int row, col;
- pbi->common.prev_mi = pbi->common.mi;
- pbi->common.mi = tmp;
- /* Propagate the segment_ids to the next frame */
- for (row = 0; row < pbi->common.mb_rows; ++row)
- {
- for (col = 0; col < pbi->common.mb_cols; ++col)
- {
- const int i = row*pbi->common.mode_info_stride + col;
- pbi->common.mi[i].mbmi.segment_id =
- pbi->common.prev_mi[i].mbmi.segment_id;
- }
- }
- }
- #endif
- /*vp8_print_modes_and_motion_vectors( cm->mi, cm->mb_rows,cm->mb_cols, cm->current_video_frame);*/
- if (cm->show_frame)
- cm->current_video_frame++;
- pbi->ready_for_new_data = 0;
- pbi->last_time_stamp = time_stamp;
- pbi->num_partitions = 0;
- if (pbi->input_partition)
- pbi->common.multi_token_partition = 0;
- pbi->source_sz = 0;
- #if 0
- {
- int i;
- int64_t earliest_time = pbi->dr[0].time_stamp;
- int64_t latest_time = pbi->dr[0].time_stamp;
- int64_t time_diff = 0;
- int bytes = 0;
- pbi->dr[pbi->common.current_video_frame&0xf].size = pbi->bc.pos + pbi->bc2.pos + 4;;
- pbi->dr[pbi->common.current_video_frame&0xf].time_stamp = time_stamp;
- for (i = 0; i < 16; i++)
- {
- bytes += pbi->dr[i].size;
- if (pbi->dr[i].time_stamp < earliest_time)
- earliest_time = pbi->dr[i].time_stamp;
- if (pbi->dr[i].time_stamp > latest_time)
- latest_time = pbi->dr[i].time_stamp;
- }
- time_diff = latest_time - earliest_time;
- if (time_diff > 0)
- {
- pbi->common.bitrate = 80000.00 * bytes / time_diff ;
- pbi->common.framerate = 160000000.00 / time_diff ;
- }
- }
- #endif
- #if HAVE_ARMV7
- #if CONFIG_RUNTIME_CPU_DETECT
- if (cm->rtcd.flags & HAS_NEON)
- #endif
- {
- vp8_pop_neon(dx_store_reg);
- }
- #endif
- pbi->common.error.setjmp = 0;
- return retcode;
- }
- int vp8dx_get_raw_frame(VP8D_PTR ptr, YV12_BUFFER_CONFIG *sd, int64_t *time_stamp, int64_t *time_end_stamp, vp8_ppflags_t *flags)
- {
- int ret = -1;
- VP8D_COMP *pbi = (VP8D_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 = vp8_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*/
- vp8_clear_system_state();
- return ret;
- }