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New interface EncodedImageBufferInterface, replacing use of CopyOnWriteBuffer

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Bug: webrtc:9378
Change-Id: I62b7adbd9dd539c545b5b1b1520721482a4623c4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/138820
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28317}
This commit is contained in:
Niels Möller
2019-06-18 15:56:56 +02:00
committed by Commit Bot
parent 0894f0fd76
commit 4d504c76cb
27 changed files with 215 additions and 134 deletions
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21
modules/video_coding/codecs/h264/h264_encoder_impl.cc
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@ -115,23 +115,8 @@ static void RtpFragmentize(EncodedImage* encoded_image,
required_capacity += layerInfo.pNalLengthInByte[nal];
}
}
if (encoded_image->capacity() < required_capacity) {
// Increase buffer size. Allocate enough to hold an unencoded image, this
// should be more than enough to hold any encoded data of future frames of
// the same size (avoiding possible future reallocation due to variations in
// required size).
size_t new_capacity = CalcBufferSize(VideoType::kI420, frame_buffer.width(),
frame_buffer.height());
if (new_capacity < required_capacity) {
// Encoded data > unencoded data. Allocate required bytes.
RTC_LOG(LS_WARNING)
<< "Encoding produced more bytes than the original image "
<< "data! Original bytes: " << new_capacity
<< ", encoded bytes: " << required_capacity << ".";
new_capacity = required_capacity;
}
encoded_image->Allocate(new_capacity);
}
// TODO(nisse): Use a cache or buffer pool to avoid allocation?
encoded_image->SetEncodedData(EncodedImageBuffer::Create(required_capacity));
// Iterate layers and NAL units, note each NAL unit as a fragment and copy
// the data to |encoded_image->_buffer|.
@ -300,7 +285,7 @@ int32_t H264EncoderImpl::InitEncode(const VideoCodec* inst,
const size_t new_capacity =
CalcBufferSize(VideoType::kI420, codec_.simulcastStream[idx].width,
codec_.simulcastStream[idx].height);
encoded_images_[i].Allocate(new_capacity);
encoded_images_[i].SetEncodedData(EncodedImageBuffer::Create(new_capacity));
encoded_images_[i]._completeFrame = true;
encoded_images_[i]._encodedWidth = codec_.simulcastStream[idx].width;
encoded_images_[i]._encodedHeight = codec_.simulcastStream[idx].height;