webrtc/modules/video_coding/codecs/h264/include/h264.h
Johannes Kron 3e98368ec5 Reland "Distinguish between send and receive codecs"
This reverts commit 8e8b36a94a.

Reason for revert: The CL has been improved with the following changes,
  - Fixed negotiation of send/receive only clients.
  - Handles the implicit assumption that any H264 decoder also can
    decode H264 constraint baseline.

Original change's description:
> Distinguish between send and receive codecs
>
> Even though send and receive codecs may be the same, they might have
> different support in HW. Distinguish between send and receive codecs
> to be able to keep track of which codecs have HW support.
>
> Bug: chromium:1029737
> Change-Id: Id119560becadfe0aaf861c892a6485f1c2eb378d
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/165763
> Commit-Queue: Johannes Kron <kron@webrtc.org>
> Reviewed-by: Steve Anton <steveanton@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#30284}

Change-Id: I834ed48ee78d04922c73e2836165e476925e1cc5
Bug: chromium:1029737
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168605
Commit-Queue: Johannes Kron <kron@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Johannes Kron <kron@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30932}
2020-03-29 21:03:27 +00:00

63 lines
2 KiB
C++

/*
* Copyright (c) 2015 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.
*
*/
#ifndef MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_
#define MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_
#include <memory>
#include <string>
#include <vector>
#include "media/base/codec.h"
#include "media/base/h264_profile_level_id.h"
#include "modules/video_coding/include/video_codec_interface.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
struct SdpVideoFormat;
// Creates an H264 SdpVideoFormat entry with specified paramters.
RTC_EXPORT SdpVideoFormat
CreateH264Format(H264::Profile profile,
H264::Level level,
const std::string& packetization_mode);
// Set to disable the H.264 encoder/decoder implementations that are provided if
// |rtc_use_h264| build flag is true (if false, this function does nothing).
// This function should only be called before or during WebRTC initialization
// and is not thread-safe.
RTC_EXPORT void DisableRtcUseH264();
// Returns a vector with all supported internal H264 profiles that we can
// negotiate in SDP, in order of preference.
std::vector<SdpVideoFormat> SupportedH264Codecs();
class RTC_EXPORT H264Encoder : public VideoEncoder {
public:
static std::unique_ptr<H264Encoder> Create(const cricket::VideoCodec& codec);
// If H.264 is supported (any implementation).
static bool IsSupported();
~H264Encoder() override {}
};
class RTC_EXPORT H264Decoder : public VideoDecoder {
public:
static std::unique_ptr<H264Decoder> Create();
static bool IsSupported();
~H264Decoder() override {}
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_CODECS_H264_INCLUDE_H264_H_