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Supporting 48kHz PCM file.

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BUG=None

Review-Url: https://codereview.webrtc.org/2790493004
Cr-Commit-Position: refs/heads/master@{#17493}
This commit is contained in:
minyue 2017-03-31 12:27:09 -07:00 committed by Commit bot
parent 16d5bae396
commit 5f93709e7c
6 changed files with 57 additions and 17 deletions
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3
webrtc/common_types.h
View File

@ -139,7 +139,8 @@ enum FileFormats {
kFileFormatPreencodedFile = 4,
kFileFormatPcm16kHzFile = 7,
kFileFormatPcm8kHzFile = 8,
kFileFormatPcm32kHzFile = 9
kFileFormatPcm32kHzFile = 9,
kFileFormatPcm48kHzFile = 10
};
enum FrameType {

14
webrtc/modules/media_file/media_file_impl.cc
View File

@ -132,6 +132,7 @@ int32_t MediaFileImpl::PlayoutAudioData(int8_t* buffer,
switch(_fileFormat)
{
case kFileFormatPcm48kHzFile:
case kFileFormatPcm32kHzFile:
case kFileFormatPcm16kHzFile:
case kFileFormatPcm8kHzFile:
@ -479,6 +480,7 @@ int32_t MediaFileImpl::StartPlayingStream(
case kFileFormatPcm8kHzFile:
case kFileFormatPcm16kHzFile:
case kFileFormatPcm32kHzFile:
case kFileFormatPcm48kHzFile:
{
// ValidFileFormat() called in the beginneing of this function
// prevents codecInst from being NULL here.
@ -631,6 +633,7 @@ int32_t MediaFileImpl::IncomingAudioData(
case kFileFormatPcm8kHzFile:
case kFileFormatPcm16kHzFile:
case kFileFormatPcm32kHzFile:
case kFileFormatPcm48kHzFile:
bytesWritten = _ptrFileUtilityObj->WritePCMData(
*_ptrOutStream,
buffer,
@ -845,13 +848,15 @@ int32_t MediaFileImpl::StartRecordingAudioStream(
}
case kFileFormatPcm8kHzFile:
case kFileFormatPcm16kHzFile:
case kFileFormatPcm32kHzFile:
case kFileFormatPcm48kHzFile:
{
if(!ValidFrequency(codecInst.plfreq) ||
_ptrFileUtilityObj->InitPCMWriting(stream, codecInst.plfreq) ==
-1)
{
WEBRTC_TRACE(kTraceError, kTraceFile, _id,
"Failed to initialize 8 or 16KHz PCM file!");
"Failed to initialize PCM file!");
delete _ptrFileUtilityObj;
_ptrFileUtilityObj = NULL;
return -1;
@ -1070,7 +1075,8 @@ bool MediaFileImpl::ValidFileFormat(const FileFormats format,
if(format == kFileFormatPreencodedFile ||
format == kFileFormatPcm8kHzFile ||
format == kFileFormatPcm16kHzFile ||
format == kFileFormatPcm32kHzFile)
format == kFileFormatPcm32kHzFile ||
format == kFileFormatPcm48kHzFile)
{
WEBRTC_TRACE(kTraceError, kTraceFile, -1,
"Codec info required for file format specified!");
@ -1115,12 +1121,12 @@ bool MediaFileImpl::ValidFilePositions(const uint32_t startPointMs,
bool MediaFileImpl::ValidFrequency(const uint32_t frequency)
{
if((frequency == 8000) || (frequency == 16000)|| (frequency == 32000))
if((frequency == 8000) || (frequency == 16000)|| (frequency == 32000) || (frequency == 48000))
{
return true;
}
WEBRTC_TRACE(kTraceError, kTraceFile, -1,
"Frequency should be 8000, 16000 or 32000 (Hz)");
"Frequency should be 8000, 16000, 32000, or 48000 (Hz)");
return false;
}
} // namespace webrtc

30
webrtc/modules/media_file/media_file_utility.cc
View File

@ -1178,6 +1178,16 @@ int32_t ModuleFileUtility::InitPCMReading(InStream& pcm,
codec_info_.rate = 512000;
_codecId = kCodecL16_32Khz;
}
else if(freq == 48000)
{
strcpy(codec_info_.plname, "L16");
codec_info_.pltype = -1;
codec_info_.plfreq = 48000;
codec_info_.pacsize = 480;
codec_info_.channels = 1;
codec_info_.rate = 768000;
_codecId = kCodecL16_48Khz;
}
// Readsize for 10ms of audio data (2 bytes per sample).
_readSizeBytes = 2 * codec_info_. plfreq / 100;
@ -1313,12 +1323,24 @@ int32_t ModuleFileUtility::InitPCMWriting(OutStream& out, uint32_t freq)
_codecId = kCodecL16_32Khz;
}
else if(freq == 48000)
{
strcpy(codec_info_.plname, "L16");
codec_info_.pltype = -1;
codec_info_.plfreq = 48000;
codec_info_.pacsize = 480;
codec_info_.channels = 1;
codec_info_.rate = 768000;
_codecId = kCodecL16_48Khz;
}
if((_codecId != kCodecL16_8Khz) &&
(_codecId != kCodecL16_16kHz) &&
(_codecId != kCodecL16_32Khz))
(_codecId != kCodecL16_32Khz) &&
(_codecId != kCodecL16_48Khz))
{
WEBRTC_TRACE(kTraceError, kTraceFile, _id,
"CodecInst is not 8KHz PCM or 16KHz PCM!");
"CodecInst is not 8KHz, 16KHz, 32kHz or 48kHz PCM!");
return -1;
}
_writing = true;
@ -1389,6 +1411,10 @@ int32_t ModuleFileUtility::set_codec_info(const CodecInst& codecInst)
{
_codecId = kCodecL16_32Khz;
}
else if(codecInst.plfreq == 48000)
{
_codecId = kCodecL16_48Khz;
}
}
#ifdef WEBRTC_CODEC_ILBC
else if(STR_CASE_CMP(codecInst.plname, "ilbc") == 0)

1
webrtc/modules/media_file/media_file_utility.h
View File

@ -228,6 +228,7 @@ private:
kCodecL16_8Khz,
kCodecL16_16kHz,
kCodecL16_32Khz,
kCodecL16_48Khz,
kCodecPcmu,
kCodecPcma,
kCodecIlbc20Ms,

22
webrtc/voice_engine/file_player.cc
View File

@ -100,7 +100,7 @@ int32_t FilePlayerImpl::Frequency() const {
} else if (_codec.plfreq == 44000) {
return 32000;
} else if (_codec.plfreq == 48000) {
return 32000;
return 48000;
} else {
return _codec.plfreq;
}
@ -220,16 +220,18 @@ int32_t FilePlayerImpl::StartPlayingFile(const char* fileName,
codecInstL16.rate = 128000;
codecInstL16.plfreq = 8000;
codecInstL16.pacsize = 80;
} else if (_fileFormat == kFileFormatPcm16kHzFile) {
codecInstL16.rate = 256000;
codecInstL16.plfreq = 16000;
codecInstL16.pacsize = 160;
} else if (_fileFormat == kFileFormatPcm32kHzFile) {
codecInstL16.rate = 512000;
codecInstL16.plfreq = 32000;
codecInstL16.pacsize = 160;
codecInstL16.pacsize = 320;
} else if (_fileFormat == kFileFormatPcm48kHzFile) {
codecInstL16.rate = 768000;
codecInstL16.plfreq = 48000;
codecInstL16.pacsize = 480;
} else {
LOG(LS_ERROR) << "StartPlayingFile() sample frequency not "
<< "supported for PCM format.";
@ -277,7 +279,8 @@ int32_t FilePlayerImpl::StartPlayingFile(InStream* sourceStream,
const CodecInst* codecInst) {
if (_fileFormat == kFileFormatPcm16kHzFile ||
_fileFormat == kFileFormatPcm32kHzFile ||
_fileFormat == kFileFormatPcm8kHzFile) {
_fileFormat == kFileFormatPcm8kHzFile ||
_fileFormat == kFileFormatPcm48kHzFile) {
CodecInst codecInstL16;
strncpy(codecInstL16.plname, "L16", 32);
codecInstL16.pltype = 93;
@ -287,16 +290,18 @@ int32_t FilePlayerImpl::StartPlayingFile(InStream* sourceStream,
codecInstL16.rate = 128000;
codecInstL16.plfreq = 8000;
codecInstL16.pacsize = 80;
} else if (_fileFormat == kFileFormatPcm16kHzFile) {
codecInstL16.rate = 256000;
codecInstL16.plfreq = 16000;
codecInstL16.pacsize = 160;
} else if (_fileFormat == kFileFormatPcm32kHzFile) {
codecInstL16.rate = 512000;
codecInstL16.plfreq = 32000;
codecInstL16.pacsize = 160;
codecInstL16.pacsize = 320;
} else if (_fileFormat == kFileFormatPcm48kHzFile) {
codecInstL16.rate = 768000;
codecInstL16.plfreq = 48000;
codecInstL16.pacsize = 480;
} else {
LOG(LS_ERROR) << "StartPlayingFile() sample frequency not "
<< "supported for PCM format.";
@ -379,6 +384,7 @@ std::unique_ptr<FilePlayer> FilePlayer::CreateFilePlayer(
case kFileFormatPcm16kHzFile:
case kFileFormatPcm8kHzFile:
case kFileFormatPcm32kHzFile:
case kFileFormatPcm48kHzFile:
// audio formats
return std::unique_ptr<FilePlayer>(
new FilePlayerImpl(instanceID, fileFormat));

4
webrtc/voice_engine/file_player.h
View File

@ -23,8 +23,8 @@ class FileCallback;
class FilePlayer {
public:
// The largest decoded frame size in samples (60ms with 32kHz sample rate).
enum { MAX_AUDIO_BUFFER_IN_SAMPLES = 60 * 32 };
// The largest decoded frame size in samples (120ms with 48kHz sample rate).
enum { MAX_AUDIO_BUFFER_IN_SAMPLES = 120 * 48 };
enum { MAX_AUDIO_BUFFER_IN_BYTES = MAX_AUDIO_BUFFER_IN_SAMPLES * 2 };
// Note: will return NULL for unsupported formats.