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https://github.com/mollyim/webrtc.git
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7ff6355b88
libvpx already supports VP9 profile 1. Add code to enable SDP negotiation of receiving VP9 profile 1. Bug: webrtc:11555 Change-Id: I35d12d159a1414aac744f202331d3a9c4a84f5af Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176322 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Johannes Kron <kron@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31509}
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018 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 "modules/video_coding/codecs/vp9/include/vp9.h"
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#include <memory>
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#include "api/video_codecs/sdp_video_format.h"
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#include "modules/video_coding/codecs/vp9/vp9_impl.h"
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#include "rtc_base/checks.h"
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#include "vpx/vp8cx.h"
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#include "vpx/vp8dx.h"
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#include "vpx/vpx_codec.h"
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namespace webrtc {
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std::vector<SdpVideoFormat> SupportedVP9Codecs() {
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#ifdef RTC_ENABLE_VP9
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// Profile 2 might not be available on some platforms until
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// https://bugs.chromium.org/p/webm/issues/detail?id=1544 is solved.
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static bool vpx_supports_high_bit_depth =
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(vpx_codec_get_caps(vpx_codec_vp9_cx()) & VPX_CODEC_CAP_HIGHBITDEPTH) !=
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0 &&
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(vpx_codec_get_caps(vpx_codec_vp9_dx()) & VPX_CODEC_CAP_HIGHBITDEPTH) !=
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0;
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std::vector<SdpVideoFormat> supported_formats{SdpVideoFormat(
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cricket::kVp9CodecName,
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{{kVP9FmtpProfileId, VP9ProfileToString(VP9Profile::kProfile0)}})};
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if (vpx_supports_high_bit_depth) {
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supported_formats.push_back(SdpVideoFormat(
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cricket::kVp9CodecName,
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{{kVP9FmtpProfileId, VP9ProfileToString(VP9Profile::kProfile2)}}));
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}
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return supported_formats;
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#else
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return std::vector<SdpVideoFormat>();
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#endif
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}
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std::vector<SdpVideoFormat> SupportedVP9DecoderCodecs() {
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#ifdef RTC_ENABLE_VP9
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std::vector<SdpVideoFormat> supported_formats = SupportedVP9Codecs();
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// The WebRTC internal decoder supports VP9 profile 1. However, there's
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// currently no way of sending VP9 profile 1 using the internal encoder.
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// It would require extended support for I444, I422, and I440 buffers.
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supported_formats.push_back(SdpVideoFormat(
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cricket::kVp9CodecName,
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{{kVP9FmtpProfileId, VP9ProfileToString(VP9Profile::kProfile1)}}));
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return supported_formats;
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#else
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return std::vector<SdpVideoFormat>();
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#endif
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}
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std::unique_ptr<VP9Encoder> VP9Encoder::Create() {
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#ifdef RTC_ENABLE_VP9
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return std::make_unique<VP9EncoderImpl>(cricket::VideoCodec());
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#else
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RTC_NOTREACHED();
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return nullptr;
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#endif
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}
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std::unique_ptr<VP9Encoder> VP9Encoder::Create(
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const cricket::VideoCodec& codec) {
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#ifdef RTC_ENABLE_VP9
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return std::make_unique<VP9EncoderImpl>(codec);
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#else
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RTC_NOTREACHED();
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return nullptr;
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#endif
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}
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std::unique_ptr<VP9Decoder> VP9Decoder::Create() {
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#ifdef RTC_ENABLE_VP9
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return std::make_unique<VP9DecoderImpl>();
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#else
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RTC_NOTREACHED();
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return nullptr;
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#endif
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}
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} // namespace webrtc
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