1 /* 2 * libjingle 3 * Copyright 2004 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 #ifndef TALK_SESSION_MEDIA_SOUNDCLIP_H_ 29 #define TALK_SESSION_MEDIA_SOUNDCLIP_H_ 30 31 #include "talk/media/base/mediaengine.h" 32 #include "webrtc/base/scoped_ptr.h" 33 34 namespace rtc { 35 36 class Thread; 37 38 } 39 40 namespace cricket { 41 42 // Soundclip wraps SoundclipMedia to support marshalling calls to the proper 43 // thread. 44 class Soundclip : private rtc::MessageHandler { 45 public: 46 Soundclip(rtc::Thread* thread, SoundclipMedia* soundclip_media); 47 48 // Plays a sound out to the speakers with the given audio stream. The stream 49 // must be 16-bit little-endian 16 kHz PCM. If a stream is already playing 50 // on this Soundclip, it is stopped. If clip is NULL, nothing is played. 51 // Returns whether it was successful. 52 bool PlaySound(const void* clip, 53 int len, 54 SoundclipMedia::SoundclipFlags flags); 55 56 private: 57 bool PlaySound_w(const void* clip, 58 int len, 59 SoundclipMedia::SoundclipFlags flags); 60 61 // From MessageHandler 62 virtual void OnMessage(rtc::Message* message); 63 64 rtc::Thread* worker_thread_; 65 rtc::scoped_ptr<SoundclipMedia> soundclip_media_; 66 }; 67 68 } // namespace cricket 69 70 #endif // TALK_SESSION_MEDIA_SOUNDCLIP_H_ 71