726 lines
22 KiB
C++
726 lines
22 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "file_player_impl.h"
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#include "trace.h"
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#ifdef WEBRTC_MODULE_UTILITY_VIDEO
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#include "cpu_wrapper.h"
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#include "frame_scaler.h"
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#include "tick_util.h"
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#include "video_coder.h"
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#endif
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// OS independent case insensitive string comparison.
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#ifdef WIN32
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#define STR_CASE_CMP(x,y) ::_stricmp(x,y)
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#else
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#define STR_CASE_CMP(x,y) ::strcasecmp(x,y)
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#endif
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namespace webrtc {
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FilePlayer* FilePlayer::CreateFilePlayer(WebRtc_UWord32 instanceID,
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FileFormats fileFormat)
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{
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switch(fileFormat)
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{
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case kFileFormatWavFile:
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case kFileFormatCompressedFile:
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case kFileFormatPreencodedFile:
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case kFileFormatPcm16kHzFile:
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case kFileFormatPcm8kHzFile:
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case kFileFormatPcm32kHzFile:
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// audio formats
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return new FilePlayerImpl(instanceID, fileFormat);
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#ifdef WEBRTC_MODULE_UTILITY_VIDEO
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case kFileFormatAviFile:
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return new VideoFilePlayerImpl(instanceID, fileFormat);
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#endif
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default:
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return NULL;
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}
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}
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void FilePlayer::DestroyFilePlayer(FilePlayer* player)
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{
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delete player;
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}
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FilePlayerImpl::FilePlayerImpl(const WebRtc_UWord32 instanceID,
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const FileFormats fileFormat)
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: _instanceID(instanceID),
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_fileFormat(fileFormat),
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_fileModule(*MediaFile::CreateMediaFile(instanceID)),
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_decodedLengthInMS(0),
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_audioDecoder(instanceID),
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_codec(),
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_numberOf10MsPerFrame(0),
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_numberOf10MsInDecoder(0),
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_scaling(1.0)
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{
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_codec.plfreq = 0;
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}
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FilePlayerImpl::~FilePlayerImpl()
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{
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MediaFile::DestroyMediaFile(&_fileModule);
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}
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WebRtc_Word32 FilePlayerImpl::Frequency() const
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{
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if(_codec.plfreq == 0)
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{
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return -1;
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}
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// Make sure that sample rate is 8,16 or 32 kHz. E.g. WAVE files may have
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// other sampling rates.
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if(_codec.plfreq == 11000)
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{
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return 16000;
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}
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else if(_codec.plfreq == 22000)
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{
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return 32000;
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}
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else if(_codec.plfreq == 44000)
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{
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return 32000;
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}
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else if(_codec.plfreq == 48000)
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{
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return 32000;
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}
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else
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{
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return _codec.plfreq;
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}
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}
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WebRtc_Word32 FilePlayerImpl::AudioCodec(CodecInst& audioCodec) const
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{
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audioCodec = _codec;
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return 0;
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}
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WebRtc_Word32 FilePlayerImpl::Get10msAudioFromFile(
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WebRtc_Word16* outBuffer,
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WebRtc_UWord32& lengthInSamples,
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WebRtc_UWord32 frequencyInHz)
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{
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if(_codec.plfreq == 0)
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{
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WEBRTC_TRACE(kTraceWarning, kTraceVoice, _instanceID,
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"FilePlayerImpl::Get10msAudioFromFile() playing not started!\
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codecFreq = %d, wantedFreq = %d",
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_codec.plfreq, frequencyInHz);
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return -1;
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}
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AudioFrame unresampledAudioFrame;
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if(STR_CASE_CMP(_codec.plname, "L16") == 0)
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{
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unresampledAudioFrame._frequencyInHz = _codec.plfreq;
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// L16 is un-encoded data. Just pull 10 ms.
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WebRtc_UWord32 lengthInBytes =
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sizeof(unresampledAudioFrame._payloadData);
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if (_fileModule.PlayoutAudioData(
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(WebRtc_Word8*)unresampledAudioFrame._payloadData,
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lengthInBytes) == -1)
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{
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// End of file reached.
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return -1;
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}
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if(lengthInBytes == 0)
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{
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lengthInSamples = 0;
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return 0;
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}
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// One sample is two bytes.
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unresampledAudioFrame._payloadDataLengthInSamples =
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(WebRtc_UWord16)lengthInBytes >> 1;
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}else {
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// Decode will generate 10 ms of audio data. PlayoutAudioData(..)
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// expects a full frame. If the frame size is larger than 10 ms,
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// PlayoutAudioData(..) data should be called proportionally less often.
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WebRtc_Word16 encodedBuffer[MAX_AUDIO_BUFFER_IN_SAMPLES];
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WebRtc_UWord32 encodedLengthInBytes = 0;
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if(++_numberOf10MsInDecoder >= _numberOf10MsPerFrame)
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{
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_numberOf10MsInDecoder = 0;
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WebRtc_UWord32 bytesFromFile = sizeof(encodedBuffer);
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if (_fileModule.PlayoutAudioData((WebRtc_Word8*)encodedBuffer,
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bytesFromFile) == -1)
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{
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// End of file reached.
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return -1;
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}
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encodedLengthInBytes = bytesFromFile;
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}
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if(_audioDecoder.Decode(unresampledAudioFrame,frequencyInHz,
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(WebRtc_Word8*)encodedBuffer,
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encodedLengthInBytes) == -1)
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{
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return -1;
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}
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}
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int outLen = 0;
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if(_resampler.ResetIfNeeded(unresampledAudioFrame._frequencyInHz,
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frequencyInHz, kResamplerSynchronous))
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{
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WEBRTC_TRACE(kTraceWarning, kTraceVoice, _instanceID,
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"FilePlayerImpl::Get10msAudioFromFile() unexpected codec");
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// New sampling frequency. Update state.
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outLen = frequencyInHz / 100;
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memset(outBuffer, 0, outLen * sizeof(WebRtc_Word16));
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return 0;
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}
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_resampler.Push(unresampledAudioFrame._payloadData,
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unresampledAudioFrame._payloadDataLengthInSamples,
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outBuffer,
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MAX_AUDIO_BUFFER_IN_SAMPLES,
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outLen);
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lengthInSamples = outLen;
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if(_scaling != 1.0)
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{
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for (int i = 0;i < outLen; i++)
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{
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outBuffer[i] = (WebRtc_Word16)(outBuffer[i] * _scaling);
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}
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}
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_decodedLengthInMS += 10;
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return 0;
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}
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WebRtc_Word32 FilePlayerImpl::RegisterModuleFileCallback(FileCallback* callback)
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{
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return _fileModule.SetModuleFileCallback(callback);
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}
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WebRtc_Word32 FilePlayerImpl::SetAudioScaling(float scaleFactor)
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{
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if((scaleFactor >= 0)&&(scaleFactor <= 2.0))
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{
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_scaling = scaleFactor;
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return 0;
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}
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WEBRTC_TRACE(kTraceWarning, kTraceVoice, _instanceID,
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"FilePlayerImpl::SetAudioScaling() not allowed scale factor");
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return -1;
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}
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WebRtc_Word32 FilePlayerImpl::StartPlayingFile(const WebRtc_Word8* fileName,
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bool loop,
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WebRtc_UWord32 startPosition,
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float volumeScaling,
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WebRtc_UWord32 notification,
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WebRtc_UWord32 stopPosition,
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const CodecInst* codecInst)
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{
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if (_fileFormat == kFileFormatPcm16kHzFile ||
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_fileFormat == kFileFormatPcm8kHzFile||
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_fileFormat == kFileFormatPcm32kHzFile )
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{
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CodecInst codecInstL16;
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strncpy(codecInstL16.plname,"L16",32);
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codecInstL16.pltype = 93;
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codecInstL16.channels = 1;
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if (_fileFormat == kFileFormatPcm8kHzFile)
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{
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codecInstL16.rate = 128000;
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codecInstL16.plfreq = 8000;
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codecInstL16.pacsize = 80;
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} else if(_fileFormat == kFileFormatPcm16kHzFile)
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{
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codecInstL16.rate = 256000;
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codecInstL16.plfreq = 16000;
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codecInstL16.pacsize = 160;
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}else if(_fileFormat == kFileFormatPcm32kHzFile)
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{
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codecInstL16.rate = 512000;
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codecInstL16.plfreq = 32000;
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codecInstL16.pacsize = 160;
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} else
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{
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WEBRTC_TRACE(kTraceError, kTraceVoice, _instanceID,
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"FilePlayerImpl::StartPlayingFile() sample frequency\
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specifed not supported for PCM format.");
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return -1;
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}
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if (_fileModule.StartPlayingAudioFile(fileName, notification, loop,
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_fileFormat, &codecInstL16,
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startPosition,
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stopPosition) == -1)
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{
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WEBRTC_TRACE(
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kTraceWarning,
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kTraceVoice,
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_instanceID,
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"FilePlayerImpl::StartPlayingFile() failed to initialize file\
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%s playout.", fileName);
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return -1;
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}
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SetAudioScaling(volumeScaling);
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}else if(_fileFormat == kFileFormatPreencodedFile)
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{
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if (_fileModule.StartPlayingAudioFile(fileName, notification, loop,
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_fileFormat, codecInst) == -1)
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{
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WEBRTC_TRACE(
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kTraceWarning,
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kTraceVoice,
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_instanceID,
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"FilePlayerImpl::StartPlayingPreEncodedFile() failed to\
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initialize pre-encoded file %s playout.",
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fileName);
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return -1;
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}
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} else
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{
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CodecInst* no_inst = NULL;
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if (_fileModule.StartPlayingAudioFile(fileName, notification, loop,
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_fileFormat, no_inst,
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startPosition,
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stopPosition) == -1)
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{
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WEBRTC_TRACE(
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kTraceWarning,
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kTraceVoice,
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_instanceID,
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"FilePlayerImpl::StartPlayingFile() failed to initialize file\
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%s playout.", fileName);
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return -1;
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}
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SetAudioScaling(volumeScaling);
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}
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if (SetUpAudioDecoder() == -1)
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{
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StopPlayingFile();
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return -1;
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}
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return 0;
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}
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WebRtc_Word32 FilePlayerImpl::StartPlayingFile(InStream& sourceStream,
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WebRtc_UWord32 startPosition,
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float volumeScaling,
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WebRtc_UWord32 notification,
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WebRtc_UWord32 stopPosition,
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const CodecInst* codecInst)
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{
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if (_fileFormat == kFileFormatPcm16kHzFile ||
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_fileFormat == kFileFormatPcm32kHzFile ||
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_fileFormat == kFileFormatPcm8kHzFile)
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{
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CodecInst codecInstL16;
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strncpy(codecInstL16.plname,"L16",32);
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codecInstL16.pltype = 93;
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codecInstL16.channels = 1;
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if (_fileFormat == kFileFormatPcm8kHzFile)
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{
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codecInstL16.rate = 128000;
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codecInstL16.plfreq = 8000;
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codecInstL16.pacsize = 80;
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}else if (_fileFormat == kFileFormatPcm16kHzFile)
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{
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codecInstL16.rate = 256000;
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codecInstL16.plfreq = 16000;
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codecInstL16.pacsize = 160;
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}else if (_fileFormat == kFileFormatPcm32kHzFile)
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{
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codecInstL16.rate = 512000;
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codecInstL16.plfreq = 32000;
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codecInstL16.pacsize = 160;
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}else
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{
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WEBRTC_TRACE(
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kTraceError,
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kTraceVoice,
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_instanceID,
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"FilePlayerImpl::StartPlayingFile() sample frequency specifed\
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not supported for PCM format.");
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return -1;
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}
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if (_fileModule.StartPlayingAudioStream(sourceStream, notification,
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_fileFormat, &codecInstL16,
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startPosition,
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stopPosition) == -1)
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{
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WEBRTC_TRACE(
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kTraceError,
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kTraceVoice,
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_instanceID,
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"FilePlayerImpl::StartPlayingFile() failed to initialize stream\
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playout.");
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return -1;
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}
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}else if(_fileFormat == kFileFormatPreencodedFile)
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{
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if (_fileModule.StartPlayingAudioStream(sourceStream, notification,
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_fileFormat, codecInst) == -1)
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{
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WEBRTC_TRACE(
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kTraceWarning,
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kTraceVoice,
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_instanceID,
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"FilePlayerImpl::StartPlayingFile() failed to initialize stream\
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playout.");
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return -1;
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}
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} else {
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CodecInst* no_inst = NULL;
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if (_fileModule.StartPlayingAudioStream(sourceStream, notification,
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_fileFormat, no_inst,
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startPosition,
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stopPosition) == -1)
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{
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WEBRTC_TRACE(kTraceError, kTraceVoice, _instanceID,
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"FilePlayerImpl::StartPlayingFile() failed to initialize\
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stream playout.");
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return -1;
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}
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}
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SetAudioScaling(volumeScaling);
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if (SetUpAudioDecoder() == -1)
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{
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StopPlayingFile();
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return -1;
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}
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return 0;
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}
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WebRtc_Word32 FilePlayerImpl::StopPlayingFile()
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{
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memset(&_codec, 0, sizeof(CodecInst));
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_numberOf10MsPerFrame = 0;
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_numberOf10MsInDecoder = 0;
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return _fileModule.StopPlaying();
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}
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bool FilePlayerImpl::IsPlayingFile() const
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{
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return _fileModule.IsPlaying();
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}
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WebRtc_Word32 FilePlayerImpl::GetPlayoutPosition(WebRtc_UWord32& durationMs)
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{
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return _fileModule.PlayoutPositionMs(durationMs);
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}
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WebRtc_Word32 FilePlayerImpl::SetUpAudioDecoder()
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{
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if ((_fileModule.codec_info(_codec) == -1))
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{
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WEBRTC_TRACE(
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kTraceWarning,
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kTraceVoice,
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_instanceID,
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"FilePlayerImpl::StartPlayingFile() failed to retrieve Codec info\
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of file data.");
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return -1;
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}
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if( STR_CASE_CMP(_codec.plname, "L16") != 0 &&
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_audioDecoder.SetDecodeCodec(_codec,AMRFileStorage) == -1)
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{
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WEBRTC_TRACE(
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kTraceWarning,
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kTraceVoice,
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_instanceID,
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"FilePlayerImpl::StartPlayingFile() codec %s not supported",
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_codec.plname);
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return -1;
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}
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_numberOf10MsPerFrame = _codec.pacsize / (_codec.plfreq / 100);
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_numberOf10MsInDecoder = 0;
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return 0;
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}
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#ifdef WEBRTC_MODULE_UTILITY_VIDEO
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VideoFilePlayerImpl::VideoFilePlayerImpl(WebRtc_UWord32 instanceID,
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FileFormats fileFormat)
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: FilePlayerImpl(instanceID,fileFormat),
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_videoDecoder(*new VideoCoder(instanceID)),
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_decodedVideoFrames(0),
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_encodedData(*new EncodedVideoData()),
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_frameScaler(*new FrameScaler()),
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_critSec(*CriticalSectionWrapper::CreateCriticalSection()),
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_accumulatedRenderTimeMs(0),
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_numberOfFramesRead(0),
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_videoOnly(false)
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{
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memset(&video_codec_info_, 0, sizeof(video_codec_info_));
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}
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VideoFilePlayerImpl::~VideoFilePlayerImpl()
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{
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delete &_critSec;
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delete &_frameScaler;
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delete &_videoDecoder;
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delete &_encodedData;
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}
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WebRtc_Word32 VideoFilePlayerImpl::StartPlayingVideoFile(
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const WebRtc_Word8* fileName,
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bool loop,
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bool videoOnly)
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{
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CriticalSectionScoped lock( _critSec);
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if(_fileModule.StartPlayingVideoFile(fileName, loop, videoOnly,
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_fileFormat) != 0)
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{
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return -1;
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}
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_decodedVideoFrames = 0;
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_accumulatedRenderTimeMs = 0;
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_frameLengthMS = 0;
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_numberOfFramesRead = 0;
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_videoOnly = videoOnly;
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// Set up video_codec_info_ according to file,
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if(SetUpVideoDecoder() != 0)
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{
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StopPlayingFile();
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return -1;
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}
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if(!videoOnly)
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{
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// Set up _codec according to file,
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if(SetUpAudioDecoder() != 0)
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{
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StopPlayingFile();
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return -1;
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}
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}
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return 0;
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}
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WebRtc_Word32 VideoFilePlayerImpl::StopPlayingFile()
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{
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CriticalSectionScoped lock( _critSec);
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_decodedVideoFrames = 0;
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_videoDecoder.Reset();
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return FilePlayerImpl::StopPlayingFile();
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}
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WebRtc_Word32 VideoFilePlayerImpl::GetVideoFromFile(VideoFrame& videoFrame,
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WebRtc_UWord32 outWidth,
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WebRtc_UWord32 outHeight)
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{
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CriticalSectionScoped lock( _critSec);
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WebRtc_Word32 retVal = GetVideoFromFile(videoFrame);
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if(retVal != 0)
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{
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return retVal;
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}
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if( videoFrame.Length() > 0)
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{
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retVal = _frameScaler.ResizeFrameIfNeeded(videoFrame, outWidth,
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outHeight);
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}
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return retVal;
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}
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WebRtc_Word32 VideoFilePlayerImpl::GetVideoFromFile(VideoFrame& videoFrame)
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{
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CriticalSectionScoped lock( _critSec);
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// No new video data read from file.
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if(_encodedData.payloadSize == 0)
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{
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videoFrame.SetLength(0);
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return -1;
|
|
}
|
|
WebRtc_Word32 retVal = 0;
|
|
if(strncmp(video_codec_info_.plName, "I420", 5) == 0)
|
|
{
|
|
videoFrame.CopyFrame(_encodedData.payloadSize,_encodedData.payloadData);
|
|
videoFrame.SetLength(_encodedData.payloadSize);
|
|
videoFrame.SetWidth(video_codec_info_.width);
|
|
videoFrame.SetHeight(video_codec_info_.height);
|
|
}else
|
|
{
|
|
// Set the timestamp manually since there is no timestamp in the file.
|
|
// Update timestam according to 90 kHz stream.
|
|
_encodedData.timeStamp += (90000 / video_codec_info_.maxFramerate);
|
|
retVal = _videoDecoder.Decode(videoFrame, _encodedData);
|
|
}
|
|
|
|
WebRtc_Word64 renderTimeMs = TickTime::MillisecondTimestamp();
|
|
videoFrame.SetRenderTime(renderTimeMs);
|
|
|
|
// Indicate that the current frame in the encoded buffer is old/has
|
|
// already been read.
|
|
_encodedData.payloadSize = 0;
|
|
if( retVal == 0)
|
|
{
|
|
_decodedVideoFrames++;
|
|
}
|
|
return retVal;
|
|
}
|
|
|
|
WebRtc_Word32 VideoFilePlayerImpl::video_codec_info(
|
|
VideoCodec& videoCodec) const
|
|
{
|
|
if(video_codec_info_.plName[0] == 0)
|
|
{
|
|
return -1;
|
|
}
|
|
memcpy(&videoCodec, &video_codec_info_, sizeof(VideoCodec));
|
|
return 0;
|
|
}
|
|
|
|
WebRtc_Word32 VideoFilePlayerImpl::TimeUntilNextVideoFrame()
|
|
{
|
|
if(_fileFormat != kFileFormatAviFile)
|
|
{
|
|
return -1;
|
|
}
|
|
if(!_fileModule.IsPlaying())
|
|
{
|
|
return -1;
|
|
}
|
|
if(_encodedData.payloadSize <= 0)
|
|
{
|
|
// Read next frame from file.
|
|
CriticalSectionScoped lock( _critSec);
|
|
|
|
if(_fileFormat == kFileFormatAviFile)
|
|
{
|
|
// Get next video frame
|
|
WebRtc_UWord32 encodedBufferLengthInBytes = _encodedData.bufferSize;
|
|
if(_fileModule.PlayoutAVIVideoData(
|
|
reinterpret_cast< WebRtc_Word8*>(_encodedData.payloadData),
|
|
encodedBufferLengthInBytes) != 0)
|
|
{
|
|
WEBRTC_TRACE(
|
|
kTraceWarning,
|
|
kTraceVideo,
|
|
_instanceID,
|
|
"FilePlayerImpl::TimeUntilNextVideoFrame() error reading\
|
|
video data");
|
|
return -1;
|
|
}
|
|
_encodedData.payloadSize = encodedBufferLengthInBytes;
|
|
_encodedData.codec = video_codec_info_.codecType;
|
|
_numberOfFramesRead++;
|
|
|
|
if(_accumulatedRenderTimeMs == 0)
|
|
{
|
|
_startTime = TickTime::Now();
|
|
// This if-statement should only trigger once.
|
|
_accumulatedRenderTimeMs = 1;
|
|
} else {
|
|
// A full seconds worth of frames have been read.
|
|
if(_numberOfFramesRead % video_codec_info_.maxFramerate == 0)
|
|
{
|
|
// Frame rate is in frames per seconds. Frame length is
|
|
// calculated as an integer division which means it may
|
|
// be rounded down. Compensate for this every second.
|
|
WebRtc_UWord32 rest = 1000%_frameLengthMS;
|
|
_accumulatedRenderTimeMs += rest;
|
|
}
|
|
_accumulatedRenderTimeMs += _frameLengthMS;
|
|
}
|
|
}
|
|
}
|
|
|
|
WebRtc_Word64 timeToNextFrame;
|
|
if(_videoOnly)
|
|
{
|
|
timeToNextFrame = _accumulatedRenderTimeMs -
|
|
(TickTime::Now() - _startTime).Milliseconds();
|
|
|
|
} else {
|
|
// Synchronize with the audio stream instead of system clock.
|
|
timeToNextFrame = _accumulatedRenderTimeMs - _decodedLengthInMS;
|
|
}
|
|
if(timeToNextFrame < 0)
|
|
{
|
|
return 0;
|
|
|
|
} else if(timeToNextFrame > 0x0fffffff)
|
|
{
|
|
// Wraparound or audio stream has gone to far ahead of the video stream.
|
|
return -1;
|
|
}
|
|
return static_cast<WebRtc_Word32>(timeToNextFrame);
|
|
}
|
|
|
|
WebRtc_Word32 VideoFilePlayerImpl::SetUpVideoDecoder()
|
|
{
|
|
if (_fileModule.VideoCodecInst(video_codec_info_) != 0)
|
|
{
|
|
WEBRTC_TRACE(
|
|
kTraceWarning,
|
|
kTraceVideo,
|
|
_instanceID,
|
|
"FilePlayerImpl::SetVideoDecoder() failed to retrieve Codec info of\
|
|
file data.");
|
|
return -1;
|
|
}
|
|
|
|
WebRtc_Word32 useNumberOfCores = 1;
|
|
if(_videoDecoder.SetDecodeCodec(video_codec_info_, useNumberOfCores) != 0)
|
|
{
|
|
WEBRTC_TRACE(
|
|
kTraceWarning,
|
|
kTraceVideo,
|
|
_instanceID,
|
|
"FilePlayerImpl::SetUpVideoDecoder() codec %s not supported",
|
|
video_codec_info_.plName);
|
|
return -1;
|
|
}
|
|
|
|
if(strncmp(video_codec_info_.plName, "MP4V-ES", 8) == 0)
|
|
{
|
|
if(_videoDecoder.SetCodecConfigParameters(
|
|
video_codec_info_.plType,
|
|
video_codec_info_.codecSpecific.MPEG4.configParameters,
|
|
video_codec_info_.codecSpecific.MPEG4.configParametersSize) !=
|
|
0)
|
|
{
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
_frameLengthMS = 1000/video_codec_info_.maxFramerate;
|
|
|
|
// Size of unencoded data (I420) should be the largest possible frame size
|
|
// in a file.
|
|
const WebRtc_UWord32 KReadBufferSize = 3 * video_codec_info_.width *
|
|
video_codec_info_.height / 2;
|
|
_encodedData.VerifyAndAllocate(KReadBufferSize);
|
|
_encodedData.encodedHeight = video_codec_info_.height;
|
|
_encodedData.encodedWidth = video_codec_info_.width;
|
|
_encodedData.payloadType = video_codec_info_.plType;
|
|
_encodedData.timeStamp = 0;
|
|
return 0;
|
|
}
|
|
#endif // WEBRTC_MODULE_UTILITY_VIDEO
|
|
} // namespace webrtc
|