mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-12 21:30:45 +01:00

The predefined SdpVideoFormats were not used everywhere, which caused a discrepancy between send/receive capabilities for AV1. This CL solves the immediate problems by making sure send/receive capabilities for AV1 are reported the same way. Fixed: chromium:331565934 Change-Id: I073091b7b5f987c7f434c17276fd84047ec723c2 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/344681 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Johannes Kron <kron@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41991}
95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2017 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 API_VIDEO_CODECS_SDP_VIDEO_FORMAT_H_
|
|
#define API_VIDEO_CODECS_SDP_VIDEO_FORMAT_H_
|
|
|
|
#include <map>
|
|
#include <string>
|
|
|
|
#include "absl/container/inlined_vector.h"
|
|
#include "absl/types/optional.h"
|
|
#include "api/array_view.h"
|
|
#include "api/rtp_parameters.h"
|
|
#include "api/video_codecs/scalability_mode.h"
|
|
#include "rtc_base/system/rtc_export.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// SDP specification for a single video codec.
|
|
// NOTE: This class is still under development and may change without notice.
|
|
struct RTC_EXPORT SdpVideoFormat {
|
|
using Parameters [[deprecated("Use webrtc::CodecParameterMap")]] =
|
|
std::map<std::string, std::string>;
|
|
|
|
explicit SdpVideoFormat(const std::string& name);
|
|
SdpVideoFormat(const std::string& name, const CodecParameterMap& parameters);
|
|
SdpVideoFormat(
|
|
const std::string& name,
|
|
const CodecParameterMap& parameters,
|
|
const absl::InlinedVector<ScalabilityMode, kScalabilityModeCount>&
|
|
scalability_modes);
|
|
// Creates a new SdpVideoFormat object identical to the supplied
|
|
// SdpVideoFormat except the scalability_modes that are set to be the same as
|
|
// the supplied scalability modes.
|
|
SdpVideoFormat(
|
|
const SdpVideoFormat& format,
|
|
const absl::InlinedVector<ScalabilityMode, kScalabilityModeCount>&
|
|
scalability_modes);
|
|
|
|
SdpVideoFormat(const SdpVideoFormat&);
|
|
SdpVideoFormat(SdpVideoFormat&&);
|
|
SdpVideoFormat& operator=(const SdpVideoFormat&);
|
|
SdpVideoFormat& operator=(SdpVideoFormat&&);
|
|
|
|
~SdpVideoFormat();
|
|
|
|
// Returns true if the SdpVideoFormats have the same names as well as codec
|
|
// specific parameters. Please note that two SdpVideoFormats can represent the
|
|
// same codec even though not all parameters are the same.
|
|
bool IsSameCodec(const SdpVideoFormat& other) const;
|
|
bool IsCodecInList(
|
|
rtc::ArrayView<const webrtc::SdpVideoFormat> formats) const;
|
|
|
|
std::string ToString() const;
|
|
|
|
friend RTC_EXPORT bool operator==(const SdpVideoFormat& a,
|
|
const SdpVideoFormat& b);
|
|
friend RTC_EXPORT bool operator!=(const SdpVideoFormat& a,
|
|
const SdpVideoFormat& b) {
|
|
return !(a == b);
|
|
}
|
|
|
|
std::string name;
|
|
CodecParameterMap parameters;
|
|
absl::InlinedVector<ScalabilityMode, kScalabilityModeCount> scalability_modes;
|
|
|
|
// Well-known video codecs and their format parameters.
|
|
static const SdpVideoFormat VP8();
|
|
static const SdpVideoFormat H264();
|
|
static const SdpVideoFormat VP9Profile0();
|
|
static const SdpVideoFormat VP9Profile1();
|
|
static const SdpVideoFormat VP9Profile2();
|
|
static const SdpVideoFormat VP9Profile3();
|
|
static const SdpVideoFormat AV1Profile0();
|
|
static const SdpVideoFormat AV1Profile1();
|
|
};
|
|
|
|
// For not so good reasons sometimes additional parameters are added to an
|
|
// SdpVideoFormat, which makes instances that should compare equal to not match
|
|
// anymore. Until we stop misusing SdpVideoFormats provide this convenience
|
|
// function to perform fuzzy matching.
|
|
absl::optional<SdpVideoFormat> FuzzyMatchSdpVideoFormat(
|
|
rtc::ArrayView<const SdpVideoFormat> supported_formats,
|
|
const SdpVideoFormat& format);
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // API_VIDEO_CODECS_SDP_VIDEO_FORMAT_H_
|