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      1 //
      2 // libjingle
      3 // Copyright 2004--2007, Google Inc.
      4 //
      5 // Redistribution and use in source and binary forms, with or without
      6 // modification, are permitted provided that the following conditions are met:
      7 //
      8 //  1. Redistributions of source code must retain the above copyright notice,
      9 //     this list of conditions and the following disclaimer.
     10 //  2. Redistributions in binary form must reproduce the above copyright notice,
     11 //     this list of conditions and the following disclaimer in the documentation
     12 //     and/or other materials provided with the distribution.
     13 //  3. The name of the author may not be used to endorse or promote products
     14 //     derived from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26 //
     27 
     28 #include "talk/examples/call/mediaenginefactory.h"
     29 
     30 #include "talk/media/base/fakemediaengine.h"
     31 #include "talk/media/base/filemediaengine.h"
     32 #include "talk/media/base/mediaengine.h"
     33 #include "webrtc/base/stringutils.h"
     34 
     35 std::vector<cricket::AudioCodec> RequiredAudioCodecs() {
     36   std::vector<cricket::AudioCodec> audio_codecs;
     37   audio_codecs.push_back(
     38       cricket::AudioCodec(9, "G722", 16000, 0, 1, 0));
     39   audio_codecs.push_back(
     40       cricket::AudioCodec(0, "PCMU", 8000, 0, 1, 0));
     41   audio_codecs.push_back(
     42       cricket::AudioCodec(13, "CN", 8000, 0, 1, 0));
     43   audio_codecs.push_back(
     44       cricket::AudioCodec(105, "CN", 16000, 0, 1, 0));
     45   return audio_codecs;
     46 }
     47 
     48 std::vector<cricket::VideoCodec> RequiredVideoCodecs() {
     49   std::vector<cricket::VideoCodec> video_codecs;
     50   video_codecs.push_back(
     51       cricket::VideoCodec(97, "H264", 320, 240, 30, 0));
     52   video_codecs.push_back(
     53       cricket::VideoCodec(99, "H264-SVC", 640, 360, 30, 0));
     54   return video_codecs;
     55 }
     56 
     57 cricket::MediaEngineInterface* MediaEngineFactory::CreateFileMediaEngine(
     58     const char* voice_in, const char* voice_out,
     59     const char* video_in, const char* video_out) {
     60   cricket::FileMediaEngine* file_media_engine = new cricket::FileMediaEngine;
     61   // Set the RTP dump file names.
     62   if (voice_in) {
     63     file_media_engine->set_voice_input_filename(voice_in);
     64   }
     65   if (voice_out) {
     66     file_media_engine->set_voice_output_filename(voice_out);
     67   }
     68   if (video_in) {
     69     file_media_engine->set_video_input_filename(video_in);
     70   }
     71   if (video_out) {
     72     file_media_engine->set_video_output_filename(video_out);
     73   }
     74 
     75   // Set voice and video codecs. TODO: The codecs actually depend on
     76   // the the input voice and video streams.
     77   file_media_engine->set_voice_codecs(RequiredAudioCodecs());
     78   file_media_engine->set_video_codecs(RequiredVideoCodecs());
     79 
     80   return file_media_engine;
     81 }
     82