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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/test/fake_vp8_decoder.cc | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/test/fake_vp8_decoder.cc')
-rw-r--r-- | third_party/libwebrtc/test/fake_vp8_decoder.cc | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/fake_vp8_decoder.cc b/third_party/libwebrtc/test/fake_vp8_decoder.cc new file mode 100644 index 0000000000..4ed2523c82 --- /dev/null +++ b/third_party/libwebrtc/test/fake_vp8_decoder.cc @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2018 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. + */ + +#include "test/fake_vp8_decoder.h" + +#include <stddef.h> + +#include "absl/types/optional.h" +#include "api/scoped_refptr.h" +#include "api/video/i420_buffer.h" +#include "api/video/video_frame.h" +#include "api/video/video_frame_buffer.h" +#include "api/video/video_rotation.h" +#include "modules/video_coding/include/video_error_codes.h" +#include "rtc_base/time_utils.h" + +namespace webrtc { +namespace test { + +namespace { +// Read width and height from the payload of the frame if it is a key frame the +// same way as the real VP8 decoder. +// FakeEncoder writes width, height and frame type. +void ParseFakeVp8(const unsigned char* data, int* width, int* height) { + bool key_frame = data[0] == 0; + if (key_frame) { + *width = ((data[7] << 8) + data[6]) & 0x3FFF; + *height = ((data[9] << 8) + data[8]) & 0x3FFF; + } +} +} // namespace + +FakeVp8Decoder::FakeVp8Decoder() : callback_(nullptr), width_(0), height_(0) {} + +bool FakeVp8Decoder::Configure(const Settings& settings) { + return true; +} + +int32_t FakeVp8Decoder::Decode(const EncodedImage& input, + int64_t render_time_ms) { + constexpr size_t kMinPayLoadHeaderLength = 10; + if (input.size() < kMinPayLoadHeaderLength) { + return WEBRTC_VIDEO_CODEC_ERROR; + } + ParseFakeVp8(input.data(), &width_, &height_); + + VideoFrame frame = + VideoFrame::Builder() + .set_video_frame_buffer(I420Buffer::Create(width_, height_)) + .set_rotation(webrtc::kVideoRotation_0) + .set_timestamp_ms(render_time_ms) + .build(); + frame.set_timestamp(input.RtpTimestamp()); + frame.set_ntp_time_ms(input.ntp_time_ms_); + + callback_->Decoded(frame, /*decode_time_ms=*/absl::nullopt, + /*qp=*/absl::nullopt); + + return WEBRTC_VIDEO_CODEC_OK; +} + +int32_t FakeVp8Decoder::RegisterDecodeCompleteCallback( + DecodedImageCallback* callback) { + callback_ = callback; + return WEBRTC_VIDEO_CODEC_OK; +} + +int32_t FakeVp8Decoder::Release() { + return WEBRTC_VIDEO_CODEC_OK; +} + +VideoDecoder::DecoderInfo FakeVp8Decoder::GetDecoderInfo() const { + DecoderInfo info; + info.implementation_name = kImplementationName; + info.is_hardware_accelerated = false; + return info; +} + +const char* FakeVp8Decoder::ImplementationName() const { + return kImplementationName; +} + +} // namespace test +} // namespace webrtc |