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AV1: set superblock to 64x64 for 720p 4 threads.

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Multithreading is more effective.

Change-Id: Ic850de4ee6affe3c0f623deb0318f991675c4351
Bug: None
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/208300
Reviewed-by: Marco Paniconi <marpan@webrtc.org>
Commit-Queue: Jerome Jiang <jianj@google.com>
Cr-Commit-Position: refs/heads/master@{#33306}
This commit is contained in:
Jerome Jiang
2021-02-18 15:21:39 -08:00
committed by Commit Bot
parent 1fbff10254
commit 04a6529c86
1 changed files with 20 additions and 3 deletions
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23
modules/video_coding/codecs/av1/libaom_av1_encoder.cc
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@ -41,9 +41,9 @@ namespace {
// Encoder configuration parameters
constexpr int kQpMin = 10;
constexpr int kUsageProfile = 1; // 0 = good quality; 1 = real-time.
constexpr int kMinQindex = 58; // Min qindex threshold for QP scaling.
constexpr int kMaxQindex = 180; // Max qindex threshold for QP scaling.
constexpr int kUsageProfile = 1; // 0 = good quality; 1 = real-time.
constexpr int kMinQindex = 58; // Min qindex threshold for QP scaling.
constexpr int kMaxQindex = 180; // Max qindex threshold for QP scaling.
constexpr int kBitDepth = 8;
constexpr int kLagInFrames = 0; // No look ahead.
constexpr int kRtpTicksPerSecond = 90000;
@ -64,6 +64,14 @@ int GetCpuSpeed(int width, int height, int number_of_cores) {
return 7;
}
aom_superblock_size_t GetSuperblockSize(int width, int height, int threads) {
int resolution = width * height;
if (threads >= 4 && resolution >= 960 * 540 && resolution < 1920 * 1080)
return AOM_SUPERBLOCK_SIZE_64X64;
else
return AOM_SUPERBLOCK_SIZE_DYNAMIC;
}
class LibaomAv1Encoder final : public VideoEncoder {
public:
LibaomAv1Encoder();
@ -353,6 +361,15 @@ int LibaomAv1Encoder::InitEncode(const VideoCodec* codec_settings,
return WEBRTC_VIDEO_CODEC_ERROR;
}
ret =
aom_codec_control(&ctx_, AV1E_SET_SUPERBLOCK_SIZE,
GetSuperblockSize(cfg_.g_w, cfg_.g_h, cfg_.g_threads));
if (ret != AOM_CODEC_OK) {
RTC_LOG(LS_WARNING) << "LibaomAv1Encoder::EncodeInit returned " << ret
<< " on control AV1E_SET_SUPERBLOCK_SIZE.";
return WEBRTC_VIDEO_CODEC_ERROR;
}
return WEBRTC_VIDEO_CODEC_OK;
}