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73588223c1
Bug: webrtc:15860 Change-Id: I76517ee3603847ff064f16fddc9423a3568818a7 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/345741 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Philip Eliasson <philipel@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42004}
83 lines
2.9 KiB
C++
83 lines
2.9 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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#ifndef MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_
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#define MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_
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#include <memory>
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#include <string>
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#include <vector>
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#include "absl/base/nullability.h"
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#include "api/environment/environment.h"
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#include "api/video_codecs/h264_profile_level_id.h"
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#include "api/video_codecs/scalability_mode.h"
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#include "api/video_codecs/sdp_video_format.h"
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#include "api/video_codecs/video_decoder.h"
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#include "api/video_codecs/video_encoder.h"
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#include "modules/video_coding/codecs/h264/include/h264_globals.h"
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#include "rtc_base/system/rtc_export.h"
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namespace webrtc {
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// Creates an H264 SdpVideoFormat entry with specified paramters.
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RTC_EXPORT SdpVideoFormat
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CreateH264Format(H264Profile profile,
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H264Level level,
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const std::string& packetization_mode,
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bool add_scalability_modes = false);
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// Set to disable the H.264 encoder/decoder implementations that are provided if
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// `rtc_use_h264` build flag is true (if false, this function does nothing).
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// This function should only be called before or during WebRTC initialization
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// and is not thread-safe.
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RTC_EXPORT void DisableRtcUseH264();
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// Returns a vector with all supported internal H264 encode profiles that we can
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// negotiate in SDP, in order of preference.
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std::vector<SdpVideoFormat> SupportedH264Codecs(
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bool add_scalability_modes = false);
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// Returns a vector with all supported internal H264 decode profiles that we can
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// negotiate in SDP, in order of preference. This will be available for receive
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// only connections.
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std::vector<SdpVideoFormat> SupportedH264DecoderCodecs();
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class RTC_EXPORT H264Encoder {
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public:
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// If H.264 is supported (any implementation).
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static bool IsSupported();
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static bool SupportsScalabilityMode(ScalabilityMode scalability_mode);
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};
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struct H264EncoderSettings {
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// Use factory function rather than constructor to allow to create
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// `H264EncoderSettings` with designated initializers.
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static H264EncoderSettings Parse(const SdpVideoFormat& format);
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H264PacketizationMode packetization_mode =
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H264PacketizationMode::NonInterleaved;
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};
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absl::Nonnull<std::unique_ptr<VideoEncoder>> CreateH264Encoder(
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const Environment& env,
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H264EncoderSettings settings = {});
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class RTC_EXPORT H264Decoder : public VideoDecoder {
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public:
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static std::unique_ptr<H264Decoder> Create();
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static bool IsSupported();
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~H264Decoder() override {}
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};
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_
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