| Index: ppapi/c/dev/ppb_audio_dev.h
|
| ===================================================================
|
| --- ppapi/c/dev/ppb_audio_dev.h (revision 71865)
|
| +++ ppapi/c/dev/ppb_audio_dev.h (working copy)
|
| @@ -1,73 +0,0 @@
|
| -/* Copyright (c) 2010 The Chromium Authors. All rights reserved.
|
| - * Use of this source code is governed by a BSD-style license that can be
|
| - * found in the LICENSE file.
|
| - */
|
| -#ifndef PPAPI_C_DEV_PPB_AUDIO_DEV_H_
|
| -#define PPAPI_C_DEV_PPB_AUDIO_DEV_H_
|
| -
|
| -#include "ppapi/c/pp_bool.h"
|
| -#include "ppapi/c/pp_instance.h"
|
| -#include "ppapi/c/pp_module.h"
|
| -#include "ppapi/c/pp_resource.h"
|
| -#include "ppapi/c/pp_stdint.h"
|
| -
|
| -#define PPB_AUDIO_DEV_INTERFACE "PPB_Audio(Dev);0.4"
|
| -
|
| -// Callback function type for SetCallback.
|
| -typedef void (*PPB_Audio_Callback)(void* sample_buffer,
|
| - size_t buffer_size_in_bytes,
|
| - void* user_data);
|
| -
|
| -// Callback-based audio interface. User of audio must set the callback that will
|
| -// be called each time that the buffer needs to be filled.
|
| -//
|
| -// A C++ example:
|
| -//
|
| -// void audio_callback(void* sample_buffer,
|
| -// size_t buffer_size_in_bytes,
|
| -// void* user_data) {
|
| -// ... fill in the buffer with samples ...
|
| -// }
|
| -//
|
| -// uint32_t obtained;
|
| -// AudioConfig config(PP_AUDIOSAMPLERATE_44100, 4096, &obtained);
|
| -// Audio audio(config, audio_callback, NULL);
|
| -// audio.StartPlayback();
|
| -//
|
| -struct PPB_Audio_Dev {
|
| - // Creates a paused audio interface. No sound will be heard until
|
| - // StartPlayback() is called. The callback is called with the buffer address
|
| - // and given user data whenever the buffer needs to be filled. From within the
|
| - // callback, you should not call PPB_Audio functions. The callback will be
|
| - // called on a different thread than the one which created the interface. For
|
| - // performance-critical applications (i.e. low-latency audio), the callback
|
| - // should avoid blocking or calling functions that can obtain locks, such as
|
| - // malloc. The layout and the size of the buffer passed to the audio callback
|
| - // will be determined by the device configuration and is specified in the
|
| - // AudioConfig documentation. If the configuration cannot be honored, or the
|
| - // callback is null, the function returns 0.
|
| - PP_Resource (*Create)(PP_Instance instance, PP_Resource config,
|
| - PPB_Audio_Callback audio_callback, void* user_data);
|
| -
|
| - /**
|
| - * Returns PP_TRUE if the given resource is an Audio resource, PP_FALSE
|
| - * otherwise.
|
| - */
|
| - PP_Bool (*IsAudio)(PP_Resource resource);
|
| -
|
| - // Get the current configuration.
|
| - PP_Resource (*GetCurrentConfig)(PP_Resource audio);
|
| -
|
| - // Start the playback. Begin periodically calling the callback. If called
|
| - // while playback is already in progress, will return PP_TRUE and be a no-op.
|
| - // On error, return PP_FALSE.
|
| - PP_Bool (*StartPlayback)(PP_Resource audio);
|
| -
|
| - // Stop the playback. If playback is already stopped, this is a no-op and
|
| - // returns PP_TRUE. On error, returns PP_FALSE. If a callback is in progress,
|
| - // StopPlayback will block until callback completes.
|
| - PP_Bool (*StopPlayback)(PP_Resource audio);
|
| -};
|
| -
|
| -#endif /* PPAPI_C_DEV_PPB_DEVICE_CONTEXT_AUDIO_DEV_H_ */
|
| -
|
|
|