audio_format.cc (3340B)
1 /* 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "api/audio_codecs/audio_format.h" 12 13 #include <cstddef> 14 #include <utility> 15 16 #include "absl/strings/match.h" 17 #include "absl/strings/string_view.h" 18 #include "api/rtp_parameters.h" 19 #include "rtc_base/checks.h" 20 21 namespace webrtc { 22 23 SdpAudioFormat::SdpAudioFormat(const SdpAudioFormat&) = default; 24 SdpAudioFormat::SdpAudioFormat(SdpAudioFormat&&) = default; 25 26 SdpAudioFormat::SdpAudioFormat(absl::string_view name, 27 int clockrate_hz, 28 size_t num_channels) 29 : name(name), clockrate_hz(clockrate_hz), num_channels(num_channels) {} 30 31 SdpAudioFormat::SdpAudioFormat(absl::string_view name, 32 int clockrate_hz, 33 size_t num_channels, 34 const CodecParameterMap& param) 35 : name(name), 36 clockrate_hz(clockrate_hz), 37 num_channels(num_channels), 38 parameters(param) {} 39 40 SdpAudioFormat::SdpAudioFormat(absl::string_view name, 41 int clockrate_hz, 42 size_t num_channels, 43 CodecParameterMap&& param) 44 : name(name), 45 clockrate_hz(clockrate_hz), 46 num_channels(num_channels), 47 parameters(std::move(param)) {} 48 49 bool SdpAudioFormat::Matches(const SdpAudioFormat& o) const { 50 return absl::EqualsIgnoreCase(name, o.name) && 51 clockrate_hz == o.clockrate_hz && num_channels == o.num_channels; 52 } 53 54 SdpAudioFormat::~SdpAudioFormat() = default; 55 SdpAudioFormat& SdpAudioFormat::operator=(const SdpAudioFormat&) = default; 56 SdpAudioFormat& SdpAudioFormat::operator=(SdpAudioFormat&&) = default; 57 58 bool operator==(const SdpAudioFormat& a, const SdpAudioFormat& b) { 59 return absl::EqualsIgnoreCase(a.name, b.name) && 60 a.clockrate_hz == b.clockrate_hz && a.num_channels == b.num_channels && 61 a.parameters == b.parameters; 62 } 63 64 AudioCodecInfo::AudioCodecInfo(int sample_rate_hz, 65 size_t num_channels, 66 int bitrate_bps) 67 : AudioCodecInfo(sample_rate_hz, 68 num_channels, 69 bitrate_bps, 70 bitrate_bps, 71 bitrate_bps) {} 72 73 AudioCodecInfo::AudioCodecInfo(int sample_rate_hz, 74 size_t num_channels, 75 int default_bitrate_bps, 76 int min_bitrate_bps, 77 int max_bitrate_bps) 78 : sample_rate_hz(sample_rate_hz), 79 num_channels(num_channels), 80 default_bitrate_bps(default_bitrate_bps), 81 min_bitrate_bps(min_bitrate_bps), 82 max_bitrate_bps(max_bitrate_bps) { 83 RTC_DCHECK_GT(sample_rate_hz, 0); 84 RTC_DCHECK_GT(num_channels, 0); 85 RTC_DCHECK_GE(min_bitrate_bps, 0); 86 RTC_DCHECK_LE(min_bitrate_bps, default_bitrate_bps); 87 RTC_DCHECK_GE(max_bitrate_bps, default_bitrate_bps); 88 } 89 90 } // namespace webrtc