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// libjingle
// Copyright 2004 Google Inc.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef TALK_MEDIA_BASE_FILEMEDIAENGINE_H_
#define TALK_MEDIA_BASE_FILEMEDIAENGINE_H_
#include <string>
#include <vector>
#include "talk/media/base/codec.h"
#include "talk/media/base/mediachannel.h"
#include "talk/media/base/mediaengine.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/base/stream.h"
namespace rtc {
class StreamInterface;
}
namespace cricket {
// A media engine contains a capturer, an encoder, and a sender in the sender
// side and a receiver, a decoder, and a renderer in the receiver side.
// FileMediaEngine simulates the capturer and the encoder via an input RTP dump
// stream and simulates the decoder and the renderer via an output RTP dump
// stream. Depending on the parameters of the constructor, FileMediaEngine can
// act as file voice engine, file video engine, or both. Currently, we use
// only the RTP dump packets. TODO(whyuan): Enable RTCP packets.
class FileMediaEngine : public MediaEngineInterface {
public:
FileMediaEngine() : rtp_sender_thread_(NULL) {}
virtual ~FileMediaEngine() {}
// Set the file name of the input or output RTP dump for voice or video.
// Should be called before the channel is created.
void set_voice_input_filename(const std::string& filename) {
voice_input_filename_ = filename;
}
void set_voice_output_filename(const std::string& filename) {
voice_output_filename_ = filename;
}
void set_video_input_filename(const std::string& filename) {
video_input_filename_ = filename;
}
void set_video_output_filename(const std::string& filename) {
video_output_filename_ = filename;
}
// Should be called before codecs() and video_codecs() are called. We need to
// set the voice and video codecs; otherwise, Jingle initiation will fail.
void set_voice_codecs(const std::vector<AudioCodec>& codecs) {
voice_codecs_ = codecs;
}
void set_video_codecs(const std::vector<VideoCodec>& codecs) {
video_codecs_ = codecs;
}
// Implement pure virtual methods of MediaEngine.
virtual bool Init(rtc::Thread* worker_thread) {
return true;
}
virtual void Terminate() {}
virtual int GetCapabilities();
virtual VoiceMediaChannel* CreateChannel();
virtual VideoMediaChannel* CreateVideoChannel(VoiceMediaChannel* voice_ch);
virtual SoundclipMedia* CreateSoundclip() { return NULL; }
virtual AudioOptions GetAudioOptions() const { return AudioOptions(); }
virtual bool SetAudioOptions(const AudioOptions& options) { return true; }
virtual bool SetVideoOptions(const VideoOptions& options) { return true; }
virtual bool SetAudioDelayOffset(int offset) { return true; }
virtual bool SetDefaultVideoEncoderConfig(const VideoEncoderConfig& config) {
return true;
}
virtual VideoEncoderConfig GetDefaultVideoEncoderConfig() const {
return VideoEncoderConfig();
}
virtual bool SetSoundDevices(const Device* in_dev, const Device* out_dev) {
return true;
}
virtual bool SetVideoCaptureDevice(const Device* cam_device) { return true; }
virtual bool SetVideoCapturer(VideoCapturer* /*capturer*/) {
return true;
}
virtual VideoCapturer* GetVideoCapturer() const {
return NULL;
}
virtual bool GetOutputVolume(int* level) {
*level = 0;
return true;
}
virtual bool SetOutputVolume(int level) { return true; }
virtual int GetInputLevel() { return 0; }
virtual bool SetLocalMonitor(bool enable) { return true; }
// TODO(whyuan): control channel send?
virtual bool SetVideoCapture(bool capture) { return true; }
virtual const std::vector<AudioCodec>& audio_codecs() {
return voice_codecs_;
}
virtual const std::vector<VideoCodec>& video_codecs() {
return video_codecs_;
}
virtual const std::vector<RtpHeaderExtension>& audio_rtp_header_extensions() {
return audio_rtp_header_extensions_;
}
virtual const std::vector<RtpHeaderExtension>& video_rtp_header_extensions() {
return video_rtp_header_extensions_;
}
virtual bool FindAudioCodec(const AudioCodec& codec) { return true; }
virtual bool FindVideoCodec(const VideoCodec& codec) { return true; }
virtual void SetVoiceLogging(int min_sev, const char* filter) {}
virtual void SetVideoLogging(int min_sev, const char* filter) {}
virtual bool StartAecDump(rtc::PlatformFile) { return false; }
virtual bool RegisterVideoProcessor(VideoProcessor* processor) {
return true;
}
virtual bool UnregisterVideoProcessor(VideoProcessor* processor) {
return true;
}
virtual bool RegisterVoiceProcessor(uint32 ssrc,
VoiceProcessor* processor,
MediaProcessorDirection direction) {
return true;
}
virtual bool UnregisterVoiceProcessor(uint32 ssrc,
VoiceProcessor* processor,
MediaProcessorDirection direction) {
return true;
}
virtual sigslot::repeater2<VideoCapturer*, CaptureState>&
SignalVideoCaptureStateChange() {
return signal_state_change_;
}
void set_rtp_sender_thread(rtc::Thread* thread) {
rtp_sender_thread_ = thread;
}
private:
std::string voice_input_filename_;
std::string voice_output_filename_;
std::string video_input_filename_;
std::string video_output_filename_;
std::vector<AudioCodec> voice_codecs_;
std::vector<VideoCodec> video_codecs_;
std::vector<RtpHeaderExtension> audio_rtp_header_extensions_;
std::vector<RtpHeaderExtension> video_rtp_header_extensions_;
sigslot::repeater2<VideoCapturer*, CaptureState>
signal_state_change_;
rtc::Thread* rtp_sender_thread_;
DISALLOW_COPY_AND_ASSIGN(FileMediaEngine);
};
class RtpSenderReceiver; // Forward declaration. Defined in the .cc file.
class FileVoiceChannel : public VoiceMediaChannel {
public:
FileVoiceChannel(rtc::StreamInterface* input_file_stream,
rtc::StreamInterface* output_file_stream,
rtc::Thread* rtp_sender_thread);
virtual ~FileVoiceChannel();
// Implement pure virtual methods of VoiceMediaChannel.
virtual bool SetRecvCodecs(const std::vector<AudioCodec>& codecs) {
return true;
}
virtual bool SetSendCodecs(const std::vector<AudioCodec>& codecs);
virtual bool SetRecvRtpHeaderExtensions(
const std::vector<RtpHeaderExtension>& extensions) {
return true;
}
virtual bool SetSendRtpHeaderExtensions(
const std::vector<RtpHeaderExtension>& extensions) {
return true;
}
virtual bool SetPlayout(bool playout) { return true; }
virtual bool SetSend(SendFlags flag);
virtual bool SetRemoteRenderer(uint32 ssrc, AudioRenderer* renderer) {
return false;
}
virtual bool SetLocalRenderer(uint32 ssrc, AudioRenderer* renderer) {
return false;
}
virtual bool GetActiveStreams(AudioInfo::StreamList* actives) { return true; }
virtual int GetOutputLevel() { return 0; }
virtual int GetTimeSinceLastTyping() { return -1; }
virtual void SetTypingDetectionParameters(int time_window,
int cost_per_typing, int reporting_threshold, int penalty_decay,
int type_event_delay) {}
virtual bool SetOutputScaling(uint32 ssrc, double left, double right) {
return false;
}
virtual bool GetOutputScaling(uint32 ssrc, double* left, double* right) {
return false;
}
virtual bool SetRingbackTone(const char* buf, int len) { return true; }
virtual bool PlayRingbackTone(uint32 ssrc, bool play, bool loop) {
return true;
}
virtual bool InsertDtmf(uint32 ssrc, int event, int duration, int flags) {
return false;
}
virtual bool GetStats(VoiceMediaInfo* info) { return true; }
// Implement pure virtual methods of MediaChannel.
virtual void OnPacketReceived(rtc::Buffer* packet,
const rtc::PacketTime& packet_time);
virtual void OnRtcpReceived(rtc::Buffer* packet,
const rtc::PacketTime& packet_time) {}
virtual void OnReadyToSend(bool ready) {}
virtual bool AddSendStream(const StreamParams& sp);
virtual bool RemoveSendStream(uint32 ssrc);
virtual bool AddRecvStream(const StreamParams& sp) { return true; }
virtual bool RemoveRecvStream(uint32 ssrc) { return true; }
virtual bool MuteStream(uint32 ssrc, bool on) { return false; }
virtual bool SetStartSendBandwidth(int bps) { return true; }
virtual bool SetMaxSendBandwidth(int bps) { return true; }
virtual bool SetOptions(const AudioOptions& options) {
options_ = options;
return true;
}
virtual bool GetOptions(AudioOptions* options) const {
*options = options_;
return true;
}
private:
uint32 send_ssrc_;
rtc::scoped_ptr<RtpSenderReceiver> rtp_sender_receiver_;
AudioOptions options_;
DISALLOW_COPY_AND_ASSIGN(FileVoiceChannel);
};
class FileVideoChannel : public VideoMediaChannel {
public:
FileVideoChannel(rtc::StreamInterface* input_file_stream,
rtc::StreamInterface* output_file_stream,
rtc::Thread* rtp_sender_thread);
virtual ~FileVideoChannel();
// Implement pure virtual methods of VideoMediaChannel.
virtual bool SetRecvCodecs(const std::vector<VideoCodec>& codecs) {
return true;
}
virtual bool SetSendCodecs(const std::vector<VideoCodec>& codecs);
virtual bool GetSendCodec(VideoCodec* send_codec) {
*send_codec = VideoCodec();
return true;
}
virtual bool SetSendStreamFormat(uint32 ssrc, const VideoFormat& format) {
return true;
}
virtual bool SetRecvRtpHeaderExtensions(
const std::vector<RtpHeaderExtension>& extensions) {
return true;
}
virtual bool SetSendRtpHeaderExtensions(
const std::vector<RtpHeaderExtension>& extensions) {
return true;
}
virtual bool SetRender(bool render) { return true; }
virtual bool SetSend(bool send);
virtual bool SetRenderer(uint32 ssrc, VideoRenderer* renderer) {
return true;
}
virtual bool SetCapturer(uint32 ssrc, VideoCapturer* capturer) {
return false;
}
virtual bool GetStats(const StatsOptions& options, VideoMediaInfo* info) {
return true;
}
virtual bool SendIntraFrame() { return false; }
virtual bool RequestIntraFrame() { return false; }
// Implement pure virtual methods of MediaChannel.
virtual void OnPacketReceived(rtc::Buffer* packet,
const rtc::PacketTime& packet_time);
virtual void OnRtcpReceived(rtc::Buffer* packet,
const rtc::PacketTime& packet_time) {}
virtual void OnReadyToSend(bool ready) {}
virtual bool AddSendStream(const StreamParams& sp);
virtual bool RemoveSendStream(uint32 ssrc);
virtual bool AddRecvStream(const StreamParams& sp) { return true; }
virtual bool RemoveRecvStream(uint32 ssrc) { return true; }
virtual bool MuteStream(uint32 ssrc, bool on) { return false; }
virtual bool SetStartSendBandwidth(int bps) { return true; }
virtual bool SetMaxSendBandwidth(int bps) { return true; }
virtual bool SetOptions(const VideoOptions& options) {
options_ = options;
return true;
}
virtual bool GetOptions(VideoOptions* options) const {
*options = options_;
return true;
}
virtual void UpdateAspectRatio(int ratio_w, int ratio_h) {}
private:
uint32 send_ssrc_;
rtc::scoped_ptr<RtpSenderReceiver> rtp_sender_receiver_;
VideoOptions options_;
DISALLOW_COPY_AND_ASSIGN(FileVideoChannel);
};
} // namespace cricket
#endif // TALK_MEDIA_BASE_FILEMEDIAENGINE_H_