vp9_onyxd_if.c 12.3 KB
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/*
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 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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 *
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 *  Use of this source code is governed by a BSD-style license
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 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
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 *  in the file PATENTS.  All contributing project authors may
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 *  be found in the AUTHORS file in the root of the source tree.
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 */

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#include <assert.h>
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#include <limits.h>
#include <stdio.h>
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#include "vp9/common/vp9_onyxc_int.h"
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#if CONFIG_VP9_POSTPROC
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#include "vp9/common/vp9_postproc.h"
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#endif
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#include "vp9/decoder/vp9_onyxd.h"
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#include "vp9/decoder/vp9_onyxd_int.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vp9/common/vp9_alloccommon.h"
#include "vp9/common/vp9_loopfilter.h"
#include "vp9/common/vp9_quant_common.h"
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#include "vpx_scale/vpx_scale.h"
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#include "vp9/common/vp9_systemdependent.h"
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#include "vpx_ports/vpx_timer.h"
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#include "vp9/decoder/vp9_decodframe.h"
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#include "vp9/decoder/vp9_detokenize.h"
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#include "./vpx_scale_rtcd.h"
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#define WRITE_RECON_BUFFER 0
#if WRITE_RECON_BUFFER == 1
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static void recon_write_yuv_frame(const char *name,
                                  const YV12_BUFFER_CONFIG *s,
                                  int w, int _h) {
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  FILE *yuv_file = fopen(name, "ab");
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  const uint8_t *src = s->y_buffer;
  int h = _h;
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  do {
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    fwrite(src, w, 1,  yuv_file);
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    src += s->y_stride;
  } while (--h);
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  src = s->u_buffer;
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  h = (_h + 1) >> 1;
  w = (w + 1) >> 1;
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  do {
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    fwrite(src, w, 1,  yuv_file);
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    src += s->uv_stride;
  } while (--h);
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  src = s->v_buffer;
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  h = (_h + 1) >> 1;
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  do {
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    fwrite(src, w, 1, yuv_file);
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    src += s->uv_stride;
  } while (--h);
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  fclose(yuv_file);
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}
#endif
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#if WRITE_RECON_BUFFER == 2
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void write_dx_frame_to_file(YV12_BUFFER_CONFIG *frame, int this_frame) {
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  // write the frame
  FILE *yframe;
  int i;
  char filename[255];
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  sprintf(filename, "dx\\y%04d.raw", this_frame);
  yframe = fopen(filename, "wb");
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  for (i = 0; i < frame->y_height; i++)
    fwrite(frame->y_buffer + i * frame->y_stride,
           frame->y_width, 1, yframe);
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  fclose(yframe);
  sprintf(filename, "dx\\u%04d.raw", this_frame);
  yframe = fopen(filename, "wb");
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  for (i = 0; i < frame->uv_height; i++)
    fwrite(frame->u_buffer + i * frame->uv_stride,
           frame->uv_width, 1, yframe);
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  fclose(yframe);
  sprintf(filename, "dx\\v%04d.raw", this_frame);
  yframe = fopen(filename, "wb");
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  for (i = 0; i < frame->uv_height; i++)
    fwrite(frame->v_buffer + i * frame->uv_stride,
           frame->uv_width, 1, yframe);
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  fclose(yframe);
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}
#endif

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void vp9_initialize_dec() {
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  static int init_done = 0;
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  if (!init_done) {
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    vp9_initialize_common();
    vp9_init_quant_tables();
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    init_done = 1;
  }
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}

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VP9D_PTR vp9_create_decompressor(VP9D_CONFIG *oxcf) {
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  VP9D_COMP *const pbi = vpx_memalign(32, sizeof(VP9D_COMP));
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  VP9_COMMON *const cm = pbi ? &pbi->common : NULL;
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  if (!cm)
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    return NULL;
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  vp9_zero(*pbi);
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  if (setjmp(cm->error.jmp)) {
    cm->error.setjmp = 0;
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    vp9_remove_decompressor(pbi);
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    return NULL;
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  }
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  cm->error.setjmp = 1;
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  vp9_initialize_dec();
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  vp9_create_common(cm);
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  pbi->oxcf = *oxcf;
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  pbi->ready_for_new_data = 1;
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  cm->current_video_frame = 0;
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  // vp9_init_dequantizer() is first called here. Add check in
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  // frame_init_dequantizer() to avoid unnecessary calling of
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  // vp9_init_dequantizer() for every frame.
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  vp9_init_dequantizer(cm);
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  vp9_loop_filter_init(cm);
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  cm->error.setjmp = 0;
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  pbi->decoded_key_frame = 0;
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  if (pbi->oxcf.max_threads > 1) {
    vp9_worker_init(&pbi->lf_worker);
    pbi->lf_worker.data1 = vpx_malloc(sizeof(LFWorkerData));
    pbi->lf_worker.hook = (VP9WorkerHook)vp9_loop_filter_worker;
    if (pbi->lf_worker.data1 == NULL || !vp9_worker_reset(&pbi->lf_worker)) {
      vp9_remove_decompressor(pbi);
      return NULL;
    }
  }

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  return pbi;
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}

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void vp9_remove_decompressor(VP9D_PTR ptr) {
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  VP9D_COMP *const pbi = (VP9D_COMP *)ptr;
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  if (!pbi)
    return;
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  vp9_remove_common(&pbi->common);
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  vp9_worker_end(&pbi->lf_worker);
  vpx_free(pbi->lf_worker.data1);
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  vpx_free(pbi);
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}

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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;
}
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vpx_codec_err_t vp9_copy_reference_dec(VP9D_PTR ptr,
                                       VP9_REFFRAME ref_frame_flag,
                                       YV12_BUFFER_CONFIG *sd) {
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  VP9D_COMP *pbi = (VP9D_COMP *) ptr;
  VP9_COMMON *cm = &pbi->common;
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  int ref_fb_idx;

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  /* 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.
   */
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  if (ref_frame_flag == VP9_LAST_FLAG) {
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    ref_fb_idx = cm->ref_frame_map[0];
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  } else {
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    vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
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                       "Invalid reference frame");
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    return cm->error.error_code;
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  }
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  if (!equal_dimensions(&cm->yv12_fb[ref_fb_idx], sd)) {
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    vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
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                       "Incorrect buffer dimensions");
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  } else {
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    vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd);
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  }
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  return cm->error.error_code;
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}
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vpx_codec_err_t vp9_set_reference_dec(VP9D_PTR ptr, VP9_REFFRAME ref_frame_flag,
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                                      YV12_BUFFER_CONFIG *sd) {
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  VP9D_COMP *pbi = (VP9D_COMP *) ptr;
  VP9_COMMON *cm = &pbi->common;
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  int *ref_fb_ptr = NULL;

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  /* 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.
   */
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  if (ref_frame_flag == VP9_LAST_FLAG)
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    ref_fb_ptr = &pbi->common.active_ref_idx[0];
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  else if (ref_frame_flag == VP9_GOLD_FLAG)
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    ref_fb_ptr = &pbi->common.active_ref_idx[1];
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  else if (ref_frame_flag == VP9_ALT_FLAG)
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    ref_fb_ptr = &pbi->common.active_ref_idx[2];
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  else {
    vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
                       "Invalid reference frame");
    return pbi->common.error.error_code;
  }
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  if (!equal_dimensions(&cm->yv12_fb[*ref_fb_ptr], sd)) {
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    vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
                       "Incorrect buffer dimensions");
  } else {
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    // 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.
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    cm->fb_idx_ref_cnt[free_fb]--;

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    // Manage the reference counters and copy image.
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    ref_cnt_fb(cm->fb_idx_ref_cnt, ref_fb_ptr, free_fb);
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    vp8_yv12_copy_frame(sd, &cm->yv12_fb[*ref_fb_ptr]);
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  }
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  return pbi->common.error.error_code;
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}

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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;
}

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/* If any buffer updating is signaled it should be done here. */
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static void swap_frame_buffers(VP9D_COMP *pbi) {
  int ref_index = 0, mask;
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  VP9_COMMON *const cm = &pbi->common;
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  for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) {
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    if (mask & 1)
      ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->ref_frame_map[ref_index],
                 cm->new_fb_idx);
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    ++ref_index;
  }
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  cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx];
  cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
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  // Invalidate these references until the next frame starts.
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  for (ref_index = 0; ref_index < 3; ref_index++)
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    cm->active_ref_idx[ref_index] = INT_MAX;
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}

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int vp9_receive_compressed_data(VP9D_PTR ptr,
                                uint64_t size, const uint8_t **psource,
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                                int64_t time_stamp) {
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  VP9D_COMP *pbi = (VP9D_COMP *) ptr;
  VP9_COMMON *cm = &pbi->common;
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  const uint8_t *source = *psource;
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  int retcode = 0;
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  /*if(pbi->ready_for_new_data == 0)
      return -1;*/
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  if (ptr == 0)
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    return -1;
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  cm->error.error_code = VPX_CODEC_OK;
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  pbi->source = source;
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  pbi->source_sz = size;
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  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.
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     *
     * 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.
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     */
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    if (cm->active_ref_idx[0] != INT_MAX)
      cm->yv12_fb[cm->active_ref_idx[0]].corrupted = 1;
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  }
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  cm->new_fb_idx = get_free_fb(cm);
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  if (setjmp(cm->error.jmp)) {
    cm->error.setjmp = 0;
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    /* 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.
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     *
     * 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.
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     */
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    if (cm->active_ref_idx[0] != INT_MAX)
      cm->yv12_fb[cm->active_ref_idx[0]].corrupted = 1;
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    if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
      cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
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    return -1;
  }
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  cm->error.setjmp = 1;
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  retcode = vp9_decode_frame(pbi, psource);
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  if (retcode < 0) {
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    cm->error.error_code = VPX_CODEC_ERROR;
    cm->error.setjmp = 0;
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    if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
      cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
    return retcode;
  }
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  {
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    swap_frame_buffers(pbi);
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#if WRITE_RECON_BUFFER == 2
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    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);
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#endif

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    if (!pbi->do_loopfilter_inline) {
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      /* Apply the loop filter if appropriate. */
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      vp9_loop_filter_frame(cm, &pbi->mb, pbi->common.lf.filter_level, 0, 0);
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    }
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#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

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    vp9_extend_frame_inner_borders(cm->frame_to_show,
                                   cm->subsampling_x,
                                   cm->subsampling_y);
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  }
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#if WRITE_RECON_BUFFER == 1
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  if (cm->show_frame)
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    recon_write_yuv_frame("recon.yuv", cm->frame_to_show,
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                          cm->width, cm->height);
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#endif
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  vp9_clear_system_state();
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  cm->last_show_frame = cm->show_frame;
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  if (cm->show_frame) {
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    // 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++;
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  }
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  pbi->ready_for_new_data = 0;
  pbi->last_time_stamp = time_stamp;
  pbi->source_sz = 0;
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  cm->error.setjmp = 0;
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  return retcode;
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}
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int vp9_get_raw_frame(VP9D_PTR ptr, YV12_BUFFER_CONFIG *sd,
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                      int64_t *time_stamp, int64_t *time_end_stamp,
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                      vp9_ppflags_t *flags) {
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  int ret = -1;
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  VP9D_COMP *pbi = (VP9D_COMP *) ptr;
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  if (pbi->ready_for_new_data == 1)
    return ret;
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  /* ie no raw frame to show!!! */
  if (pbi->common.show_frame == 0)
    return ret;
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  pbi->ready_for_new_data = 1;
  *time_stamp = pbi->last_time_stamp;
  *time_end_stamp = 0;
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#if CONFIG_VP9_POSTPROC
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  ret = vp9_post_proc_frame(&pbi->common, sd, flags);
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#else

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  if (pbi->common.frame_to_show) {
    *sd = *pbi->common.frame_to_show;
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    sd->y_width = pbi->common.width;
    sd->y_height = pbi->common.height;
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    sd->uv_width = sd->y_width >> pbi->common.subsampling_x;
    sd->uv_height = sd->y_height >> pbi->common.subsampling_y;

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    ret = 0;
  } else {
    ret = -1;
  }
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#endif /*!CONFIG_POSTPROC*/
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  vp9_clear_system_state();
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  return ret;
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}