78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
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/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "media/engine/internal_decoder_factory.h"
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#include "absl/strings/match.h"
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#include "api/video_codecs/sdp_video_format.h"
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#include "media/base/codec.h"
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#include "media/base/media_constants.h"
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#include "modules/video_coding/codecs/av1/libaom_av1_decoder.h"
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#include "modules/video_coding/codecs/h264/include/h264.h"
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#include "modules/video_coding/codecs/vp8/include/vp8.h"
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#include "modules/video_coding/codecs/vp9/include/vp9.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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namespace webrtc {
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namespace {
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bool IsFormatSupported(
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const std::vector<webrtc::SdpVideoFormat>& supported_formats,
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const webrtc::SdpVideoFormat& format) {
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for (const webrtc::SdpVideoFormat& supported_format : supported_formats) {
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if (cricket::IsSameCodec(format.name, format.parameters,
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supported_format.name,
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supported_format.parameters)) {
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return true;
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}
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}
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return false;
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}
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} // namespace
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std::vector<SdpVideoFormat> InternalDecoderFactory::GetSupportedFormats()
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const {
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std::vector<SdpVideoFormat> formats;
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formats.push_back(SdpVideoFormat(cricket::kVp8CodecName));
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for (const SdpVideoFormat& format : SupportedVP9DecoderCodecs())
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formats.push_back(format);
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for (const SdpVideoFormat& h264_format : SupportedH264Codecs())
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formats.push_back(h264_format);
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if (kIsLibaomAv1DecoderSupported)
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formats.push_back(SdpVideoFormat(cricket::kAv1CodecName));
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return formats;
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}
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std::unique_ptr<VideoDecoder> InternalDecoderFactory::CreateVideoDecoder(
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const SdpVideoFormat& format) {
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if (!IsFormatSupported(GetSupportedFormats(), format)) {
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RTC_LOG(LS_ERROR) << "Trying to create decoder for unsupported format";
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return nullptr;
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}
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if (absl::EqualsIgnoreCase(format.name, cricket::kVp8CodecName))
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return VP8Decoder::Create();
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if (absl::EqualsIgnoreCase(format.name, cricket::kVp9CodecName))
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return VP9Decoder::Create();
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if (absl::EqualsIgnoreCase(format.name, cricket::kH264CodecName))
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return H264Decoder::Create();
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if (kIsLibaomAv1DecoderSupported &&
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absl::EqualsIgnoreCase(format.name, cricket::kAv1CodecName))
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return CreateLibaomAv1Decoder();
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RTC_NOTREACHED();
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return nullptr;
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}
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} // namespace webrtc
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