message: AV1: change update freq and disable denoiser explicitly.
  Change speed/thread settings for faster encoding.
  Cr-Commit-Position: refs/heads/master@{#33208}
diff: @@ -54,9 +54,11 @@ constexpr float kMinimumFrameRate = 1.0;
  int GetCpuSpeed(int width, int height, int number_of_cores) {
  // For smaller resolutions, use lower speed setting (get some coding gain at
  // the cost of increased encoding complexity).
  - if (number_of_cores > 2 && width * height <= 320 * 180)
  + if (number_of_cores > 4 && width * height < 320 * 180)
  return 6;
  else if (width * height >= 1280 * 720)
  + return 9;
  + else if (width * height >= 640 * 480)
  return 8;
  else
  return 7;
  @@ -283,13 +285,13 @@ int LibaomAv1Encoder::InitEncode(const VideoCodec* codec_settings,
  << " on control AV1E_SET_MAX_INTRA_BITRATE_PCT.";
  return WEBRTC_VIDEO_CODEC_ERROR;
  }
  - ret = aom_codec_control(&ctx_, AV1E_SET_COEFF_COST_UPD_FREQ, 2);
  + ret = aom_codec_control(&ctx_, AV1E_SET_COEFF_COST_UPD_FREQ, 3);
  if (ret != AOM_CODEC_OK) {
  RTC_LOG(LS_WARNING) << "LibaomAv1Encoder::EncodeInit returned " << ret
  << " on control AV1E_SET_COEFF_COST_UPD_FREQ.";
  return WEBRTC_VIDEO_CODEC_ERROR;
  }
  - ret = aom_codec_control(&ctx_, AV1E_SET_MODE_COST_UPD_FREQ, 2);
  + ret = aom_codec_control(&ctx_, AV1E_SET_MODE_COST_UPD_FREQ, 3);
  if (ret != AOM_CODEC_OK) {
  RTC_LOG(LS_WARNING) << "LibaomAv1Encoder::EncodeInit returned " << ret
  << " on control AV1E_SET_MODE_COST_UPD_FREQ.";
  @@ -323,6 +325,13 @@ int LibaomAv1Encoder::InitEncode(const VideoCodec* codec_settings,
  return WEBRTC_VIDEO_CODEC_ERROR;
  }
  + ret = aom_codec_control(&ctx_, AV1E_SET_NOISE_SENSITIVITY, 0);
  + if (ret != AOM_CODEC_OK) {
  + RTC_LOG(LS_WARNING) << "LibaomAv1Encoder::EncodeInit returned " << ret
  + << " on control AV1E_SET_NOISE_SENSITIVITY.";
  + return WEBRTC_VIDEO_CODEC_ERROR;
  + }
  +
  ret = aom_codec_control(&ctx_, AV1E_SET_ENABLE_WARPED_MOTION, 0);
  if (ret != AOM_CODEC_OK) {
  RTC_LOG(LS_WARNING) << "LibaomAv1Encoder::EncodeInit returned " << ret
  @@ -352,7 +361,7 @@ int LibaomAv1Encoder::NumberOfThreads(int width,
  int number_of_cores) {
  // Keep the number of encoder threads equal to the possible number of column
  // tiles, which is (1, 2, 4, 8). See comments below for AV1E_SET_TILE_COLUMNS.
  - if (width * height >= 1280 * 720 && number_of_cores > 4) {
  + if (width * height >= 960 * 540 && number_of_cores > 4) {
  return 4;
  } else if (width * height >= 640 * 360 && number_of_cores > 2) {
  return 2;
  