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https://github.com/mollyim/webrtc.git
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849b3aeb71
This CL is a clean-up to prepare for adding more supported codecs for the internal H264 SW codec. Bug: webrtc:8317 Change-Id: If483d05c01c40bbc81cbd1a6aad89961689714ef Reviewed-on: https://webrtc-review.googlesource.com/4940 Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20105}
95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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* Copyright (c) 2015 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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*/
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#include "modules/video_coding/codecs/h264/include/h264.h"
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#include "api/video_codecs/sdp_video_format.h"
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#if defined(WEBRTC_USE_H264)
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#include "modules/video_coding/codecs/h264/h264_decoder_impl.h"
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#include "modules/video_coding/codecs/h264/h264_encoder_impl.h"
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#endif
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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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#if defined(WEBRTC_USE_H264)
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bool g_rtc_use_h264 = true;
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#endif
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// If any H.264 codec is supported (iOS HW or OpenH264/FFmpeg).
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bool IsH264CodecSupported() {
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#if defined(WEBRTC_USE_H264)
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return g_rtc_use_h264;
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#else
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return false;
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#endif
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}
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} // namespace
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void DisableRtcUseH264() {
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#if defined(WEBRTC_USE_H264)
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g_rtc_use_h264 = false;
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#endif
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}
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std::vector<SdpVideoFormat> SupportedH264Codecs() {
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if (!IsH264CodecSupported())
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return std::vector<SdpVideoFormat>();
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std::vector<SdpVideoFormat> codecs;
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codecs.push_back(SdpVideoFormat(
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cricket::kH264CodecName, {{cricket::kH264FmtpProfileLevelId,
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cricket::kH264ProfileLevelConstrainedBaseline},
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{cricket::kH264FmtpLevelAsymmetryAllowed, "1"},
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{cricket::kH264FmtpPacketizationMode, "1"}}));
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return codecs;
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}
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H264Encoder* H264Encoder::Create(const cricket::VideoCodec& codec) {
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RTC_DCHECK(H264Encoder::IsSupported());
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#if defined(WEBRTC_USE_H264)
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RTC_CHECK(g_rtc_use_h264);
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LOG(LS_INFO) << "Creating H264EncoderImpl.";
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return new H264EncoderImpl(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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bool H264Encoder::IsSupported() {
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return IsH264CodecSupported();
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}
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H264Decoder* H264Decoder::Create() {
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RTC_DCHECK(H264Decoder::IsSupported());
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#if defined(WEBRTC_USE_H264)
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RTC_CHECK(g_rtc_use_h264);
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LOG(LS_INFO) << "Creating H264DecoderImpl.";
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return new H264DecoderImpl();
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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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bool H264Decoder::IsSupported() {
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return IsH264CodecSupported();
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}
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} // namespace webrtc
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