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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromecast/base/bitstream_audio_codecs.h"
#include <vector>
#include "base/strings/strcat.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_util.h"
namespace chromecast {
namespace {
const char* BitstreamAudioCodecToString(int codec) {
switch (codec) {
case kBitstreamAudioCodecNone:
return "None";
case kBitstreamAudioCodecAc3:
return "AC3";
case kBitstreamAudioCodecDts:
return "DTS";
case kBitstreamAudioCodecDtsHd:
return "DTS-HD";
case kBitstreamAudioCodecEac3:
return "EAC3";
case kBitstreamAudioCodecPcmSurround:
return "PCM";
case kBitstreamAudioCodecMpegHAudio:
return "MPEG-H Audio";
default:
return "";
}
}
} // namespace
BitstreamAudioCodecsInfo BitstreamAudioCodecsInfo::operator&(
const BitstreamAudioCodecsInfo& other) const {
return BitstreamAudioCodecsInfo{codecs & other.codecs,
spatial_rendering & other.spatial_rendering};
}
bool BitstreamAudioCodecsInfo::operator==(
const BitstreamAudioCodecsInfo& other) const {
return codecs == other.codecs && spatial_rendering == other.spatial_rendering;
}
bool BitstreamAudioCodecsInfo::operator!=(
const BitstreamAudioCodecsInfo& other) const {
return !(*this == other);
}
BitstreamAudioCodecsInfo BitstreamAudioCodecsInfo::ApplyCodecMask(
int mask) const {
return BitstreamAudioCodecsInfo{codecs & mask, spatial_rendering & mask};
}
std::string BitstreamAudioCodecsToString(int codecs) {
std::string codec_string = BitstreamAudioCodecToString(codecs);
if (!codec_string.empty()) {
return codec_string;
}
std::vector<base::StringPiece> codec_strings;
for (int codec :
{kBitstreamAudioCodecAc3, kBitstreamAudioCodecDts,
kBitstreamAudioCodecDtsHd, kBitstreamAudioCodecEac3,
kBitstreamAudioCodecPcmSurround, kBitstreamAudioCodecMpegHAudio}) {
if ((codec & codecs) != 0) {
codec_strings.push_back(BitstreamAudioCodecToString(codec));
}
}
return "[" + base::JoinString(codec_strings, ", ") + "]";
}
std::string BitstreamAudioCodecsInfoToString(
const BitstreamAudioCodecsInfo& info) {
return base::StrCat({"[codecs]", BitstreamAudioCodecsToString(info.codecs),
"[spatial_rendering]",
BitstreamAudioCodecsToString(info.spatial_rendering)});
}
} // namespace chromecast
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