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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/video/alignment_adjuster.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/video/alignment_adjuster.h')
-rw-r--r-- | third_party/libwebrtc/video/alignment_adjuster.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/third_party/libwebrtc/video/alignment_adjuster.h b/third_party/libwebrtc/video/alignment_adjuster.h new file mode 100644 index 0000000000..36ac062e91 --- /dev/null +++ b/third_party/libwebrtc/video/alignment_adjuster.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2020 The WebRTC 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. + */ + +#ifndef VIDEO_ALIGNMENT_ADJUSTER_H_ +#define VIDEO_ALIGNMENT_ADJUSTER_H_ + +#include "api/video_codecs/video_encoder.h" +#include "video/config/video_encoder_config.h" + +namespace webrtc { + +class AlignmentAdjuster { + public: + // Returns the resolution alignment requested by the encoder (i.e + // `EncoderInfo::requested_resolution_alignment` which ensures that delivered + // frames to the encoder are divisible by this alignment). + // + // If `EncoderInfo::apply_alignment_to_all_simulcast_layers` is enabled, the + // alignment will be adjusted to ensure that each simulcast layer also is + // divisible by `requested_resolution_alignment`. The configured scale factors + // `scale_resolution_down_by` may be adjusted to a common multiple to limit + // the alignment value to avoid largely cropped frames and possibly with an + // aspect ratio far from the original. + + // Note: `max_layers` currently only taken into account when using default + // scale factors. + static int GetAlignmentAndMaybeAdjustScaleFactors( + const VideoEncoder::EncoderInfo& info, + VideoEncoderConfig* config, + absl::optional<size_t> max_layers); +}; + +} // namespace webrtc + +#endif // VIDEO_ALIGNMENT_ADJUSTER_H_ |