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/*
* Copyright (c) 2016 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 "media/engine/internal_decoder_factory.h"
#include "absl/strings/match.h"
#include "api/video_codecs/av1_profile.h"
#include "api/video_codecs/sdp_video_format.h"
#include "api/video_codecs/video_codec.h"
#include "media/base/codec.h"
#include "media/base/media_constants.h"
#include "modules/video_coding/codecs/h264/include/h264.h"
#include "modules/video_coding/codecs/vp8/include/vp8.h"
#include "modules/video_coding/codecs/vp9/include/vp9.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#include "system_wrappers/include/field_trial.h"
#if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY)
#include "modules/video_coding/codecs/av1/dav1d_decoder.h" // nogncheck
#endif
namespace webrtc {
namespace {
#if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY)
constexpr bool kDav1dIsIncluded = true;
#else
constexpr bool kDav1dIsIncluded = false;
std::unique_ptr<VideoDecoder> CreateDav1dDecoder() {
return nullptr;
}
#endif
} // namespace
std::vector<SdpVideoFormat> InternalDecoderFactory::GetSupportedFormats()
const {
std::vector<SdpVideoFormat> formats;
formats.push_back(SdpVideoFormat(cricket::kVp8CodecName));
for (const SdpVideoFormat& format : SupportedVP9DecoderCodecs())
formats.push_back(format);
for (const SdpVideoFormat& h264_format : SupportedH264DecoderCodecs())
formats.push_back(h264_format);
#if !defined(WEBRTC_MOZILLA_BUILD)
if (kDav1dIsIncluded) {
formats.push_back(SdpVideoFormat(cricket::kAv1CodecName));
formats.push_back(
SdpVideoFormat(cricket::kAv1CodecName,
{{cricket::kAv1FmtpProfile,
AV1ProfileToString(AV1Profile::kProfile1).data()}}));
}
#endif
return formats;
}
VideoDecoderFactory::CodecSupport InternalDecoderFactory::QueryCodecSupport(
const SdpVideoFormat& format,
bool reference_scaling) const {
// Query for supported formats and check if the specified format is supported.
// Return unsupported if an invalid combination of format and
// reference_scaling is specified.
if (reference_scaling) {
VideoCodecType codec = PayloadStringToCodecType(format.name);
if (codec != kVideoCodecVP9 && codec != kVideoCodecAV1) {
return {/*is_supported=*/false, /*is_power_efficient=*/false};
}
}
CodecSupport codec_support;
codec_support.is_supported = format.IsCodecInList(GetSupportedFormats());
return codec_support;
}
std::unique_ptr<VideoDecoder> InternalDecoderFactory::CreateVideoDecoder(
const SdpVideoFormat& format) {
if (!format.IsCodecInList(GetSupportedFormats())) {
RTC_LOG(LS_WARNING) << "Trying to create decoder for unsupported format. "
<< format.ToString();
return nullptr;
}
if (absl::EqualsIgnoreCase(format.name, cricket::kVp8CodecName))
return VP8Decoder::Create();
if (absl::EqualsIgnoreCase(format.name, cricket::kVp9CodecName))
return VP9Decoder::Create();
if (absl::EqualsIgnoreCase(format.name, cricket::kH264CodecName))
return H264Decoder::Create();
if (absl::EqualsIgnoreCase(format.name, cricket::kAv1CodecName) &&
kDav1dIsIncluded) {
return CreateDav1dDecoder();
}
RTC_DCHECK_NOTREACHED();
return nullptr;
}
} // namespace webrtc
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