4161715e3f
This fixes a two year old TODO of deleting dead code :) In cases where the _id or id_ member variable is being used for tracing, I changed the member to at least be const. It doesn't look like id's are that useful anymore so maybe the next step is to get rid of them. BUG= R=henrika@webrtc.org, perkj@webrtc.org Review URL: https://webrtc-codereview.appspot.com/37849004 Cr-Commit-Position: refs/heads/master@{#8201} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8201 4adac7df-926f-26a2-2b94-8c16560cd09d
245 lines
11 KiB
C++
245 lines
11 KiB
C++
/*
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* Copyright (c) 2012 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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#ifndef WEBRTC_MODULES_MEDIA_FILE_SOURCE_MEDIA_FILE_IMPL_H_
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#define WEBRTC_MODULES_MEDIA_FILE_SOURCE_MEDIA_FILE_IMPL_H_
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#include "webrtc/common_types.h"
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#include "webrtc/modules/interface/module_common_types.h"
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#include "webrtc/modules/media_file/interface/media_file.h"
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#include "webrtc/modules/media_file/interface/media_file_defines.h"
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#include "webrtc/modules/media_file/source/media_file_utility.h"
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#include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
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namespace webrtc {
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class MediaFileImpl : public MediaFile
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{
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public:
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MediaFileImpl(const int32_t id);
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~MediaFileImpl();
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virtual int32_t Process() OVERRIDE;
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virtual int64_t TimeUntilNextProcess() OVERRIDE;
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// MediaFile functions
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virtual int32_t PlayoutAudioData(int8_t* audioBuffer,
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size_t& dataLengthInBytes) OVERRIDE;
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virtual int32_t PlayoutAVIVideoData(int8_t* videoBuffer,
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size_t& dataLengthInBytes) OVERRIDE;
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virtual int32_t PlayoutStereoData(int8_t* audioBufferLeft,
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int8_t* audioBufferRight,
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size_t& dataLengthInBytes) OVERRIDE;
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virtual int32_t StartPlayingAudioFile(
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const char* fileName,
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const uint32_t notificationTimeMs = 0,
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const bool loop = false,
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const FileFormats format = kFileFormatPcm16kHzFile,
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const CodecInst* codecInst = NULL,
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const uint32_t startPointMs = 0,
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const uint32_t stopPointMs = 0) OVERRIDE;
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virtual int32_t StartPlayingVideoFile(const char* fileName, const bool loop,
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bool videoOnly,
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const FileFormats format) OVERRIDE;
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virtual int32_t StartPlayingAudioStream(InStream& stream,
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const uint32_t notificationTimeMs = 0,
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const FileFormats format = kFileFormatPcm16kHzFile,
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const CodecInst* codecInst = NULL,
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const uint32_t startPointMs = 0,
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const uint32_t stopPointMs = 0) OVERRIDE;
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virtual int32_t StopPlaying() OVERRIDE;
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virtual bool IsPlaying() OVERRIDE;
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virtual int32_t PlayoutPositionMs(uint32_t& positionMs) const OVERRIDE;
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virtual int32_t IncomingAudioData(const int8_t* audioBuffer,
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const size_t bufferLength) OVERRIDE;
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virtual int32_t IncomingAVIVideoData(const int8_t* audioBuffer,
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const size_t bufferLength) OVERRIDE;
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virtual int32_t StartRecordingAudioFile(
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const char* fileName,
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const FileFormats format,
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const CodecInst& codecInst,
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const uint32_t notificationTimeMs = 0,
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const uint32_t maxSizeBytes = 0) OVERRIDE;
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virtual int32_t StartRecordingVideoFile(
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const char* fileName,
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const FileFormats format,
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const CodecInst& codecInst,
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const VideoCodec& videoCodecInst,
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bool videoOnly = false) OVERRIDE;
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virtual int32_t StartRecordingAudioStream(
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OutStream& stream,
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const FileFormats format,
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const CodecInst& codecInst,
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const uint32_t notificationTimeMs = 0) OVERRIDE;
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virtual int32_t StopRecording() OVERRIDE;
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virtual bool IsRecording() OVERRIDE;
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virtual int32_t RecordDurationMs(uint32_t& durationMs) OVERRIDE;
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virtual bool IsStereo() OVERRIDE;
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virtual int32_t SetModuleFileCallback(FileCallback* callback) OVERRIDE;
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virtual int32_t FileDurationMs(
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const char* fileName,
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uint32_t& durationMs,
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const FileFormats format,
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const uint32_t freqInHz = 16000) OVERRIDE;
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virtual int32_t codec_info(CodecInst& codecInst) const OVERRIDE;
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virtual int32_t VideoCodecInst(VideoCodec& codecInst) const OVERRIDE;
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private:
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// Returns true if the combination of format and codecInst is valid.
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static bool ValidFileFormat(const FileFormats format,
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const CodecInst* codecInst);
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// Returns true if the filename is valid
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static bool ValidFileName(const char* fileName);
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// Returns true if the combination of startPointMs and stopPointMs is valid.
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static bool ValidFilePositions(const uint32_t startPointMs,
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const uint32_t stopPointMs);
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// Open the file specified by fileName for reading (relative path is
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// allowed). FileCallback::PlayNotification(..) will be called after
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// notificationTimeMs of the file has been played if notificationTimeMs is
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// greater than zero. If loop is true the file will be played until
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// StopPlaying() is called. When end of file is reached the file is read
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// from the start. format specifies the type of file fileName refers to.
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// codecInst specifies the encoding of the audio data. Note that
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// file formats that contain this information (like WAV files) don't need to
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// provide a non-NULL codecInst. Only video will be read if videoOnly is
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// true. startPointMs and stopPointMs, unless zero,
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// specify what part of the file should be read. From startPointMs ms to
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// stopPointMs ms.
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int32_t StartPlayingFile(
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const char* fileName,
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const uint32_t notificationTimeMs = 0,
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const bool loop = false,
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bool videoOnly = false,
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const FileFormats format = kFileFormatPcm16kHzFile,
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const CodecInst* codecInst = NULL,
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const uint32_t startPointMs = 0,
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const uint32_t stopPointMs = 0);
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// Opens the file specified by fileName for reading (relative path is
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// allowed) if format is kFileFormatAviFile otherwise use stream for
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// reading. FileCallback::PlayNotification(..) will be called after
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// notificationTimeMs of the file has been played if notificationTimeMs is
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// greater than zero. If loop is true the file will be played until
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// StopPlaying() is called. When end of file is reached the file is read
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// from the start. format specifies the type of file fileName refers to.
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// codecInst specifies the encoding of the audio data. Note that
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// file formats that contain this information (like WAV files) don't need to
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// provide a non-NULL codecInst. Only video will be read if videoOnly is
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// true. startPointMs and stopPointMs, unless zero,
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// specify what part of the file should be read. From startPointMs ms to
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// stopPointMs ms.
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// TODO (hellner): there is no reason why fileName should be needed here.
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int32_t StartPlayingStream(
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InStream& stream,
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const char* fileName,
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bool loop,
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const uint32_t notificationTimeMs = 0,
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const FileFormats format = kFileFormatPcm16kHzFile,
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const CodecInst* codecInst = NULL,
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const uint32_t startPointMs = 0,
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const uint32_t stopPointMs = 0,
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bool videoOnly = true);
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// Writes one frame into dataBuffer. dataLengthInBytes is both an input and
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// output parameter. As input parameter it indicates the size of
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// audioBuffer. As output parameter it indicates the number of bytes
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// written to audioBuffer. If video is true the data written is a video
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// frame otherwise it is an audio frame.
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int32_t PlayoutData(int8_t* dataBuffer, size_t& dataLengthInBytes,
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bool video);
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// Write one frame, i.e. the bufferLength first bytes of audioBuffer,
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// to file. The frame is an audio frame if video is true otherwise it is an
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// audio frame.
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int32_t IncomingAudioVideoData(const int8_t* buffer,
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const size_t bufferLength,
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const bool video);
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// Open/creates file specified by fileName for writing (relative path is
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// allowed) if format is kFileFormatAviFile otherwise use stream for
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// writing. FileCallback::RecordNotification(..) will be called after
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// notificationTimeMs of audio data has been recorded if
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// notificationTimeMs is greater than zero.
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// format specifies the type of file that should be created/opened.
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// codecInst specifies the encoding of the audio data. videoCodecInst
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// specifies the encoding of the video data. maxSizeBytes specifies the
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// number of bytes allowed to be written to file if it is greater than zero.
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// If format is kFileFormatAviFile and videoOnly is true the AVI file will
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// only contain video frames.
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// Note: codecInst.channels should be set to 2 for stereo (and 1 for
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// mono). Stereo is only supported for WAV files.
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int32_t StartRecordingFile(
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const char* fileName,
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const FileFormats format,
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const CodecInst& codecInst,
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const VideoCodec& videoCodecInst,
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const uint32_t notificationTimeMs = 0,
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const uint32_t maxSizeBytes = 0,
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bool videoOnly = false);
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// Open/creates file specified by fileName for writing (relative path is
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// allowed). FileCallback::RecordNotification(..) will be called after
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// notificationTimeMs of audio data has been recorded if
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// notificationTimeMs is greater than zero.
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// format specifies the type of file that should be created/opened.
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// codecInst specifies the encoding of the audio data. videoCodecInst
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// specifies the encoding of the video data. maxSizeBytes specifies the
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// number of bytes allowed to be written to file if it is greater than zero.
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// If format is kFileFormatAviFile and videoOnly is true the AVI file will
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// only contain video frames.
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// Note: codecInst.channels should be set to 2 for stereo (and 1 for
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// mono). Stereo is only supported for WAV files.
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// TODO (hellner): there is no reason why fileName should be needed here.
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int32_t StartRecordingStream(
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OutStream& stream,
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const char* fileName,
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const FileFormats format,
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const CodecInst& codecInst,
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const VideoCodec& videoCodecInst,
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const uint32_t notificationTimeMs = 0,
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const bool videoOnly = false);
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// Returns true if frequencyInHz is a supported frequency.
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static bool ValidFrequency(const uint32_t frequencyInHz);
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void HandlePlayCallbacks(int32_t bytesRead);
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int32_t _id;
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CriticalSectionWrapper* _crit;
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CriticalSectionWrapper* _callbackCrit;
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ModuleFileUtility* _ptrFileUtilityObj;
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CodecInst codec_info_;
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InStream* _ptrInStream;
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OutStream* _ptrOutStream;
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FileFormats _fileFormat;
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uint32_t _recordDurationMs;
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uint32_t _playoutPositionMs;
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uint32_t _notificationMs;
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bool _playingActive;
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bool _recordingActive;
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bool _isStereo;
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bool _openFile;
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char _fileName[512];
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FileCallback* _ptrCallback;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_MEDIA_FILE_SOURCE_MEDIA_FILE_IMPL_H_
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