<commit_before>/*
 *  Copyright (c) 2014 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 <math.h>

#include "vp9/encoder/vp9_encoder.h"
#include "vp9/encoder/vp9_svc_layercontext.h"
#include "vp9/encoder/vp9_extend.h"

#define SMALL_FRAME_FB_IDX 7
#define SMALL_FRAME_WIDTH  16
#define SMALL_FRAME_HEIGHT 16

void vp9_init_layer_context(VP9_COMP *const cpi) {
  SVC *const svc = &cpi->svc;
  const VP9EncoderConfig *const oxcf = &cpi->oxcf;
  int sl, tl;
  int alt_ref_idx = svc->number_spatial_layers;

  svc->spatial_layer_id = 0;
  svc->temporal_layer_id = 0;

  if (cpi->oxcf.error_resilient_mode == 0 && cpi->oxcf.pass == 2) {
    if (vp9_realloc_frame_buffer(&cpi->svc.empty_frame.img,
                                 SMALL_FRAME_WIDTH, SMALL_FRAME_HEIGHT,
                                 cpi->common.subsampling_x,
                                 cpi->common.subsampling_y,
#if CONFIG_VP9_HIGHBITDEPTH
                                 cpi->common.use_highbitdepth,
#endif
                                 VP9_ENC_BORDER_IN_PIXELS,
                                 cpi->common.byte_alignment,
                                 NULL, NULL, NULL))
      vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
                         "Failed to allocate empty frame for multiple frame "
                         "contexts");

    memset(cpi->svc.empty_frame.img.buffer_alloc, 0x80,
           cpi->svc.empty_frame.img.buffer_alloc_sz);
  }

  for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
    for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
      int layer = LAYER_IDS_TO_IDX(sl, tl, oxcf->ts_number_layers);
      LAYER_CONTEXT *const lc = &svc->layer_context[layer];
      RATE_CONTROL *const lrc = &lc->rc;
      int i;
      lc->current_video_frame_in_layer = 0;
      lc->layer_size = 0;
      lc->frames_from_key_frame = 0;
      lc->last_frame_type = FRAME_TYPES;
      lrc->ni_av_qi = oxcf->worst_allowed_q;
      lrc->total_actual_bits = 0;
      lrc->total_target_vs_actual = 0;
      lrc->ni_tot_qi = 0;
      lrc->tot_q = 0.0;
      lrc->avg_q = 0.0;
      lrc->ni_frames = 0;
      lrc->decimation_count = 0;
      lrc->decimation_factor = 0;

      for (i = 0; i < RATE_FACTOR_LEVELS; ++i) {
        lrc->rate_correction_factors[i] = 1.0;
      }

      if (cpi->oxcf.rc_mode == VPX_CBR) {
        lc->target_bandwidth = oxcf->layer_target_bitrate[layer];
        lrc->last_q[INTER_FRAME] = oxcf->worst_allowed_q;
        lrc->avg_frame_qindex[INTER_FRAME] = oxcf->worst_allowed_q;
        lrc->avg_frame_qindex[KEY_FRAME] = oxcf->worst_allowed_q;
      } else {
        lc->target_bandwidth = oxcf->layer_target_bitrate[layer];
        lrc->last_q[KEY_FRAME] = oxcf->best_allowed_q;
        lrc->last_q[INTER_FRAME] = oxcf->best_allowed_q;
        lrc->avg_frame_qindex[KEY_FRAME] = (oxcf->worst_allowed_q +
                                            oxcf->best_allowed_q) / 2;
        lrc->avg_frame_qindex[INTER_FRAME] = (oxcf->worst_allowed_q +
                                              oxcf->best_allowed_q) / 2;
        if (oxcf->ss_enable_auto_arf[sl])
          lc->alt_ref_idx = alt_ref_idx++;
        else
          lc->alt_ref_idx = INVALID_IDX;
        lc->gold_ref_idx = INVALID_IDX;
      }

      lrc->buffer_level = oxcf->starting_buffer_level_ms *
                              lc->target_bandwidth / 1000;
      lrc->bits_off_target = lrc->buffer_level;
    }
  }

  // Still have extra buffer for base layer golden frame
  if (!(svc->number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR)
      && alt_ref_idx < REF_FRAMES)
    svc->layer_context[0].gold_ref_idx = alt_ref_idx;
}

// Update the layer context from a change_config() call.
void vp9_update_layer_context_change_config(VP9_COMP *const cpi,
                                            const int target_bandwidth) {
  SVC *const svc = &cpi->svc;
  const VP9EncoderConfig *const oxcf = &cpi->oxcf;
  const RATE_CONTROL *const rc = &cpi->rc;
  int sl, tl, layer = 0, spatial_layer_target;
  float bitrate_alloc = 1.0;

  if (svc->temporal_layering_mode != VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING) {
    for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
      spatial_layer_target = 0;

      for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
        layer = LAYER_IDS_TO_IDX(sl, tl, oxcf->ts_number_layers);
        svc->layer_context[layer].target_bandwidth =
            oxcf->layer_target_bitrate[layer];
      }

      layer = LAYER_IDS_TO_IDX(sl, ((oxcf->ts_number_layers - 1) < 0 ?
          0 : (oxcf->ts_number_layers - 1)), oxcf->ts_number_layers);
      spatial_layer_target =
          svc->layer_context[layer].target_bandwidth =
              oxcf->layer_target_bitrate[layer];

      for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
        LAYER_CONTEXT *const lc =
            &svc->layer_context[sl * oxcf->ts_number_layers + tl];
        RATE_CONTROL *const lrc = &lc->rc;
        layer = LAYER_IDS_TO_IDX(sl, tl, oxcf->ts_number_layers);

        lc->spatial_layer_target_bandwidth = spatial_layer_target;
        bitrate_alloc = (float)lc->target_bandwidth / spatial_layer_target;
        lrc->starting_buffer_level =
            (int64_t)(rc->starting_buffer_level * bitrate_alloc);
        lrc->optimal_buffer_level =
            (int64_t)(rc->optimal_buffer_level * bitrate_alloc);
        lrc->maximum_buffer_size =
            (int64_t)(rc->maximum_buffer_size * bitrate_alloc);
        lrc->bits_off_target =
            MIN(lrc->bits_off_target, lrc->maximum_buffer_size);
        lrc->buffer_level = MIN(lrc->buffer_level, lrc->maximum_buffer_size);
        lc->framerate = cpi->framerate / oxcf->ts_rate_decimator[layer];
        lrc->avg_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
        lrc->max_frame_bandwidth = rc->max_frame_bandwidth;
        lrc->worst_quality = rc->worst_quality;
        lrc->best_quality = rc->best_quality;
      }
    }
  } else {
    int layer_end;
    float bitrate_alloc = 1.0;

    if (svc->number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR) {
      layer_end = svc->number_temporal_layers;
    } else {
      layer_end = svc->number_spatial_layers;
    }

    for (layer = 0; layer < layer_end; ++layer) {
      LAYER_CONTEXT *const lc = &svc->layer_context[layer];
      RATE_CONTROL *const lrc = &lc->rc;

      lc->target_bandwidth = oxcf->layer_target_bitrate[layer];

      bitrate_alloc = (float)lc->target_bandwidth / target_bandwidth;
      // Update buffer-related quantities.
      lrc->starting_buffer_level =
          (int64_t)(rc->starting_buffer_level * bitrate_alloc);
      lrc->optimal_buffer_level =<commit_msg>Bugfx in setting layer framerate.<commit_after>/*
 *  Copyright (c) 2014 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 <math.h>

#include "vp9/encoder/vp9_encoder.h"
#include "vp9/encoder/vp9_svc_layercontext.h"
#include "vp9/encoder/vp9_extend.h"

#define SMALL_FRAME_FB_IDX 7
#define SMALL_FRAME_WIDTH  16
#define SMALL_FRAME_HEIGHT 16

void vp9_init_layer_context(VP9_COMP *const cpi) {
  SVC *const svc = &cpi->svc;
  const VP9EncoderConfig *const oxcf = &cpi->oxcf;
  int sl, tl;
  int alt_ref_idx = svc->number_spatial_layers;

  svc->spatial_layer_id = 0;
  svc->temporal_layer_id = 0;

  if (cpi->oxcf.error_resilient_mode == 0 && cpi->oxcf.pass == 2) {
    if (vp9_realloc_frame_buffer(&cpi->svc.empty_frame.img,
                                 SMALL_FRAME_WIDTH, SMALL_FRAME_HEIGHT,
                                 cpi->common.subsampling_x,
                                 cpi->common.subsampling_y,
#if CONFIG_VP9_HIGHBITDEPTH
                                 cpi->common.use_highbitdepth,
#endif
                                 VP9_ENC_BORDER_IN_PIXELS,
                                 cpi->common.byte_alignment,
                                 NULL, NULL, NULL))
      vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,
                         "Failed to allocate empty frame for multiple frame "
                         "contexts");

    memset(cpi->svc.empty_frame.img.buffer_alloc, 0x80,
           cpi->svc.empty_frame.img.buffer_alloc_sz);
  }

  for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
    for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
      int layer = LAYER_IDS_TO_IDX(sl, tl, oxcf->ts_number_layers);
      LAYER_CONTEXT *const lc = &svc->layer_context[layer];
      RATE_CONTROL *const lrc = &lc->rc;
      int i;
      lc->current_video_frame_in_layer = 0;
      lc->layer_size = 0;
      lc->frames_from_key_frame = 0;
      lc->last_frame_type = FRAME_TYPES;
      lrc->ni_av_qi = oxcf->worst_allowed_q;
      lrc->total_actual_bits = 0;
      lrc->total_target_vs_actual = 0;
      lrc->ni_tot_qi = 0;
      lrc->tot_q = 0.0;
      lrc->avg_q = 0.0;
      lrc->ni_frames = 0;
      lrc->decimation_count = 0;
      lrc->decimation_factor = 0;

      for (i = 0; i < RATE_FACTOR_LEVELS; ++i) {
        lrc->rate_correction_factors[i] = 1.0;
      }

      if (cpi->oxcf.rc_mode == VPX_CBR) {
        lc->target_bandwidth = oxcf->layer_target_bitrate[layer];
        lrc->last_q[INTER_FRAME] = oxcf->worst_allowed_q;
        lrc->avg_frame_qindex[INTER_FRAME] = oxcf->worst_allowed_q;
        lrc->avg_frame_qindex[KEY_FRAME] = oxcf->worst_allowed_q;
      } else {
        lc->target_bandwidth = oxcf->layer_target_bitrate[layer];
        lrc->last_q[KEY_FRAME] = oxcf->best_allowed_q;
        lrc->last_q[INTER_FRAME] = oxcf->best_allowed_q;
        lrc->avg_frame_qindex[KEY_FRAME] = (oxcf->worst_allowed_q +
                                            oxcf->best_allowed_q) / 2;
        lrc->avg_frame_qindex[INTER_FRAME] = (oxcf->worst_allowed_q +
                                              oxcf->best_allowed_q) / 2;
        if (oxcf->ss_enable_auto_arf[sl])
          lc->alt_ref_idx = alt_ref_idx++;
        else
          lc->alt_ref_idx = INVALID_IDX;
        lc->gold_ref_idx = INVALID_IDX;
      }

      lrc->buffer_level = oxcf->starting_buffer_level_ms *
                              lc->target_bandwidth / 1000;
      lrc->bits_off_target = lrc->buffer_level;
    }
  }

  // Still have extra buffer for base layer golden frame
  if (!(svc->number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR)
      && alt_ref_idx < REF_FRAMES)
    svc->layer_context[0].gold_ref_idx = alt_ref_idx;
}

// Update the layer context from a change_config() call.
void vp9_update_layer_context_change_config(VP9_COMP *const cpi,
                                            const int target_bandwidth) {
  SVC *const svc = &cpi->svc;
  const VP9EncoderConfig *const oxcf = &cpi->oxcf;
  const RATE_CONTROL *const rc = &cpi->rc;
  int sl, tl, layer = 0, spatial_layer_target;
  float bitrate_alloc = 1.0;

  if (svc->temporal_layering_mode != VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING) {
    for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
      spatial_layer_target = 0;

      for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
        layer = LAYER_IDS_TO_IDX(sl, tl, oxcf->ts_number_layers);
        svc->layer_context[layer].target_bandwidth =
            oxcf->layer_target_bitrate[layer];
      }

      layer = LAYER_IDS_TO_IDX(sl, ((oxcf->ts_number_layers - 1) < 0 ?
          0 : (oxcf->ts_number_layers - 1)), oxcf->ts_number_layers);
      spatial_layer_target =
          svc->layer_context[layer].target_bandwidth =
              oxcf->layer_target_bitrate[layer];

      for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
        LAYER_CONTEXT *const lc =
            &svc->layer_context[sl * oxcf->ts_number_layers + tl];
        RATE_CONTROL *const lrc = &lc->rc;

        lc->spatial_layer_target_bandwidth = spatial_layer_target;
        bitrate_alloc = (float)lc->target_bandwidth / spatial_layer_target;
        lrc->starting_buffer_level =
            (int64_t)(rc->starting_buffer_level * bitrate_alloc);
        lrc->optimal_buffer_level =
            (int64_t)(rc->optimal_buffer_level * bitrate_alloc);
        lrc->maximum_buffer_size =
            (int64_t)(rc->maximum_buffer_size * bitrate_alloc);
        lrc->bits_off_target =
            MIN(lrc->bits_off_target, lrc->maximum_buffer_size);
        lrc->buffer_level = MIN(lrc->buffer_level, lrc->maximum_buffer_size);
        lc->framerate = cpi->framerate / oxcf->ts_rate_decimator[tl];
        lrc->avg_frame_bandwidth = (int)(lc->target_bandwidth / lc->framerate);
        lrc->max_frame_bandwidth = rc->max_frame_bandwidth;
        lrc->worst_quality = rc->worst_quality;
        lrc->best_quality = rc->best_quality;
      }
    }
  } else {
    int layer_end;
    float bitrate_alloc = 1.0;

    if (svc->number_temporal_layers > 1 && cpi->oxcf.rc_mode == VPX_CBR) {
      layer_end = svc->number_temporal_layers;
    } else {
      layer_end = svc->number_spatial_layers;
    }

    for (layer = 0; layer < layer_end; ++layer) {
      LAYER_CONTEXT *const lc = &svc->layer_context[layer];
      RATE_CONTROL *const lrc = &lc->rc;

      lc->target_bandwidth = oxcf->layer_target_bitrate[layer];

      bitrate_alloc = (float)lc->target_bandwidth / target_bandwidth;
      // Update buffer-related quantities.
      lrc->starting_buffer_level =
          (int64_t)(rc->starting_buffer_level * bitrate_alloc);
      lrc->optimal_buffer_level =
{'fraction_non_alphanumeric': 0.11264268791729486, 'fraction_numerical': 0.011630411371957786, 'mean_word_length': 2.510584677419355, 'pattern_counts': {'":': 0, '<': 23, '<?xml version=': 0, '>': 258, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 26, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5267588', 'n_tokens_mistral': 5203, 'n_tokens_neox': 4883, 'n_words': 858}