| Index: ppapi/c/dev/ppb_audio_config_dev.h
|
| ===================================================================
|
| --- ppapi/c/dev/ppb_audio_config_dev.h (revision 71865)
|
| +++ ppapi/c/dev/ppb_audio_config_dev.h (working copy)
|
| @@ -1,97 +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_CONFIG_DEV_H_
|
| -#define PPAPI_C_DEV_PPB_AUDIO_CONFIG_DEV_H_
|
| -
|
| -#include "ppapi/c/pp_bool.h"
|
| -#include "ppapi/c/pp_instance.h"
|
| -#include "ppapi/c/pp_macros.h"
|
| -#include "ppapi/c/pp_resource.h"
|
| -#include "ppapi/c/pp_stdint.h"
|
| -
|
| -#define PPB_AUDIO_CONFIG_DEV_INTERFACE "PPB_AudioConfig(Dev);0.4"
|
| -
|
| -enum {
|
| - PP_AUDIOMINSAMPLEFRAMECOUNT = 64,
|
| - PP_AUDIOMAXSAMPLEFRAMECOUNT = 32768
|
| -};
|
| -
|
| -typedef enum {
|
| - PP_AUDIOSAMPLERATE_NONE = 0,
|
| - PP_AUDIOSAMPLERATE_44100 = 44100,
|
| - PP_AUDIOSAMPLERATE_48000 = 48000
|
| -} PP_AudioSampleRate_Dev;
|
| -PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_AudioSampleRate_Dev, 4);
|
| -
|
| -/**
|
| - * Audio configuration. This base configuration interface supports only stereo
|
| - * 16bit output. This class is not mutable, therefore it is okay to access
|
| - * instances from different threads.
|
| - */
|
| -struct PPB_AudioConfig_Dev {
|
| - /**
|
| - * Create a 16 bit stereo config with the given sample rate. We guarantee
|
| - * that PP_AUDIOSAMPLERATE_44100 and PP_AUDIOSAMPLERATE_48000 sample rates
|
| - * are supported. The |sample_frame_count| should be the result of calling
|
| - * RecommendSampleFrameCount. If the sample frame count or bit rate aren't
|
| - * supported, this function will fail and return a null resource.
|
| - *
|
| - * A single sample frame on a stereo device means one value for the left
|
| - * channel and one value for the right channel.
|
| - *
|
| - * Buffer layout for a stereo int16 configuration:
|
| - * int16_t *buffer16;
|
| - * buffer16[0] is the first left channel sample
|
| - * buffer16[1] is the first right channel sample
|
| - * buffer16[2] is the second left channel sample
|
| - * buffer16[3] is the second right channel sample
|
| - * ...
|
| - * buffer16[2 * (sample_frame_count - 1)] is the last left channel sample
|
| - * buffer16[2 * (sample_frame_count - 1) + 1] is the last right channel sample
|
| - * Data will always be in the native endian format of the platform.
|
| - */
|
| - PP_Resource (*CreateStereo16Bit)(PP_Instance instance,
|
| - PP_AudioSampleRate_Dev sample_rate,
|
| - uint32_t sample_frame_count);
|
| -
|
| - /*
|
| - * Returns a supported sample frame count closest to the given requested
|
| - * count. The sample frame count determines the overall latency of audio.
|
| - * Since one "frame" is always buffered in advance, smaller frame counts
|
| - * will yield lower latency, but higher CPU utilization.
|
| - *
|
| - * Supported sample frame counts will vary by hardware and system (consider
|
| - * that the local system might be anywhere from a cell phone or a high-end
|
| - * audio workstation). Sample counts less than PP_AUDIOMINSAMPLEFRAMECOUNT
|
| - * and greater than PP_AUDIOMAXSAMPLEFRAMECOUNT are never supported on any
|
| - * system, but values in between aren't necessarily valid. This function
|
| - * will return a supported count closest to the requested value.
|
| - *
|
| - * If you pass 0 as the requested sample count, the recommended sample for
|
| - * the local system is returned.
|
| - */
|
| - uint32_t (*RecommendSampleFrameCount)(uint32_t requested_sample_frame_count);
|
| -
|
| - /**
|
| - * Returns true if the given resource is an AudioConfig object.
|
| - */
|
| - PP_Bool (*IsAudioConfig)(PP_Resource resource);
|
| -
|
| - /**
|
| - * Returns the sample rate for the given AudioConfig resource. If the
|
| - * resource is invalid, this will return PP_AUDIOSAMPLERATE_NONE.
|
| - */
|
| - PP_AudioSampleRate_Dev (*GetSampleRate)(PP_Resource config);
|
| -
|
| - /**
|
| - * Returns the sample frame count for the given AudioConfig resource. If the
|
| - * resource is invalid, this will return 0. See RecommendSampleFrameCount for
|
| - * more on sample frame counts.
|
| - */
|
| - uint32_t (*GetSampleFrameCount)(PP_Resource config);
|
| -};
|
| -
|
| -#endif /* PPAPI_C_DEV_PPB_AUDIO_CONFIG_DEV_H_ */
|
| -
|
|
|