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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/audio_codecs.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
namespace media {
// These names come from src/third_party/ffmpeg/libavcodec/codec_desc.c
std::string GetCodecName(AudioCodec codec) {
switch (codec) {
case kUnknownAudioCodec:
return "unknown";
case kCodecAAC:
return "aac";
case kCodecMP3:
return "mp3";
case kCodecPCM:
case kCodecPCM_S16BE:
case kCodecPCM_S24BE:
return "pcm";
case kCodecVorbis:
return "vorbis";
case kCodecFLAC:
return "flac";
case kCodecAMR_NB:
return "amr_nb";
case kCodecAMR_WB:
return "amr_wb";
case kCodecPCM_MULAW:
return "pcm_mulaw";
case kCodecGSM_MS:
return "gsm_ms";
case kCodecOpus:
return "opus";
case kCodecPCM_ALAW:
return "pcm_alaw";
case kCodecEAC3:
return "eac3";
case kCodecALAC:
return "alac";
case kCodecAC3:
return "ac3";
return "";
AudioCodec StringToAudioCodec(const std::string& codec_id) {
if (codec_id == "aac")
return kCodecAAC;
if (codec_id == "ac-3" || codec_id == "mp4a.A5" || codec_id == "mp4a.a5")
return kCodecAC3;
if (codec_id == "ec-3" || codec_id == "mp4a.A6" || codec_id == "mp4a.a6")
return kCodecEAC3;
if (codec_id == "mp3")
return kCodecMP3;
if (codec_id == "alac")
return kCodecALAC;
if (codec_id == "flac")
return kCodecFLAC;
if (codec_id == "opus")
return kCodecOpus;
if (codec_id == "vorbis")
return kCodecVorbis;
if (base::StartsWith(codec_id, "mp4a.40.", base::CompareCase::SENSITIVE))
return kCodecAAC;
return kUnknownAudioCodec;
} // namespace media