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Add audren example
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@fincs
fincs committed Sep 8, 2018
1 parent adb3e6d commit 183d924
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193 changes: 193 additions & 0 deletions audio/audren-simple/Makefile
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#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------

ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
endif

TOPDIR ?= $(CURDIR)
include $(DEVKITPRO)/libnx/switch_rules

#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# DATA is a list of directories containing data files
# INCLUDES is a list of directories containing header files
# EXEFS_SRC is the optional input directory containing data copied into exefs, if anything this normally should only contain "main.npdm".
# ROMFS is the directory containing data to be added to RomFS, relative to the Makefile (Optional)
#
# NO_ICON: if set to anything, do not use icon.
# NO_NACP: if set to anything, no .nacp file is generated.
# APP_TITLE is the name of the app stored in the .nacp file (Optional)
# APP_AUTHOR is the author of the app stored in the .nacp file (Optional)
# APP_VERSION is the version of the app stored in the .nacp file (Optional)
# APP_TITLEID is the titleID of the app stored in the .nacp file (Optional)
# ICON is the filename of the icon (.jpg), relative to the project folder.
# If not set, it attempts to use one of the following (in this order):
# - <Project name>.jpg
# - icon.jpg
# - <libnx folder>/default_icon.jpg
#---------------------------------------------------------------------------------
TARGET := $(notdir $(CURDIR))
BUILD := build
SOURCES := source
DATA := data
INCLUDES := include
EXEFS_SRC := exefs_src
#ROMFS := romfs

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE

CFLAGS := -g -Wall -O2 -ffunction-sections -save-temps \
$(ARCH) $(DEFINES)

CFLAGS += $(INCLUDE) -D__SWITCH__

CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11

ASFLAGS := -g $(ARCH)
LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)

LIBS := -lnx

#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(PORTLIBS) $(LIBNX)


#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------

export OUTPUT := $(CURDIR)/$(TARGET)
export TOPDIR := $(CURDIR)

export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir))

export DEPSDIR := $(CURDIR)/$(BUILD)

CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))

#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
export LD := $(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export LD := $(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

export OFILES_BIN := $(addsuffix .o,$(BINFILES))
export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
export OFILES := $(OFILES_BIN) $(OFILES_SRC)
export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES)))

export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD)

export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)

export BUILD_EXEFS_SRC := $(TOPDIR)/$(EXEFS_SRC)

ifeq ($(strip $(ICON)),)
icons := $(wildcard *.jpg)
ifneq (,$(findstring $(TARGET).jpg,$(icons)))
export APP_ICON := $(TOPDIR)/$(TARGET).jpg
else
ifneq (,$(findstring icon.jpg,$(icons)))
export APP_ICON := $(TOPDIR)/icon.jpg
endif
endif
else
export APP_ICON := $(TOPDIR)/$(ICON)
endif

ifeq ($(strip $(NO_ICON)),)
export NROFLAGS += --icon=$(APP_ICON)
endif

ifeq ($(strip $(NO_NACP)),)
export NROFLAGS += --nacp=$(CURDIR)/$(TARGET).nacp
endif

ifneq ($(APP_TITLEID),)
export NACPFLAGS += --titleid=$(APP_TITLEID)
endif

ifneq ($(ROMFS),)
export NROFLAGS += --romfsdir=$(CURDIR)/$(ROMFS)
endif

.PHONY: $(BUILD) clean all

#---------------------------------------------------------------------------------
all: $(BUILD)

$(BUILD):
@[ -d $@ ] || mkdir -p $@
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

#---------------------------------------------------------------------------------
clean:
@echo clean ...
@rm -fr $(BUILD) $(TARGET).pfs0 $(TARGET).nso $(TARGET).nro $(TARGET).nacp $(TARGET).elf


#---------------------------------------------------------------------------------
else
.PHONY: all

DEPENDS := $(OFILES:.o=.d)

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
all : $(OUTPUT).pfs0 $(OUTPUT).nro

$(OUTPUT).pfs0 : $(OUTPUT).nso

$(OUTPUT).nso : $(OUTPUT).elf

ifeq ($(strip $(NO_NACP)),)
$(OUTPUT).nro : $(OUTPUT).elf $(OUTPUT).nacp
else
$(OUTPUT).nro : $(OUTPUT).elf
endif

$(OUTPUT).elf : $(OFILES)

$(OFILES_SRC) : $(HFILES_BIN)

#---------------------------------------------------------------------------------
# you need a rule like this for each extension you use as binary data
#---------------------------------------------------------------------------------
%.bin.o %_bin.h : %.bin
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)

-include $(DEPENDS)

#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------
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115 changes: 115 additions & 0 deletions audio/audren-simple/source/main.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
#include <inttypes.h>
#include <switch.h>
#include "sample_bin.h"

// Sample comes from this website:
// https://www.soundjay.com/magic-sound-effect.html

int main(void)
{
gfxInitDefault();
consoleInit(NULL);

printf("Simple audren demonstration program\n");

static const AudioRendererConfig arConfig =
{
.output_rate = AudioRendererOutputRate_48kHz,
.num_voices = 24,
.num_effects = 0,
.num_sinks = 1,
.num_mix_objs = 1,
.num_mix_buffers = 2,
};

size_t mempool_size = (sample_bin_size + 0xFFF) &~ 0xFFF;
void* mempool_ptr = memalign(0x1000, mempool_size);
memcpy(mempool_ptr, sample_bin, sample_bin_size);
armDCacheFlush(mempool_ptr, mempool_size);

AudioDriverWaveBuf wavebuf = {0};
wavebuf.data_raw = mempool_ptr;
wavebuf.size = sample_bin_size;
wavebuf.start_sample_offset = 0;
wavebuf.end_sample_offset = sample_bin_size/2;
//wavebuf.is_looping = true;

AudioDriver drv;
Result res;
res = audrenInitialize(&arConfig);
bool initedDriver = false;
bool initedAudren = R_SUCCEEDED(res);
if (!initedAudren)
printf("audrenInitialize: %08" PRIx32 "\n", res);
else
{
printf("audren initted!\n");
res = audrvCreate(&drv, &arConfig, 2);
initedDriver = R_SUCCEEDED(res);
if (R_FAILED(res))
printf("audrvCreate: %08" PRIx32 "\n", res);
else
{
int mpid = audrvMemPoolAdd(&drv, mempool_ptr, mempool_size);
audrvMemPoolAttach(&drv, mpid);

static const u8 sink_channels[] = { 0, 1 };
int sink = audrvDeviceSinkAdd(&drv, AUDREN_DEFAULT_DEVICE_NAME, 2, sink_channels);

res = audrvUpdate(&drv);
printf("audrvUpdate: %" PRIx32 "\n", res);

res = audrenStartAudioRenderer();
printf("audrenStartAudioRenderer: %" PRIx32 "\n", res);

audrvVoiceInit(&drv, 0, 1, PcmFormat_Int16, 48000);
audrvVoiceSetDestinationMix(&drv, 0, AUDREN_FINAL_MIX_ID);
audrvVoiceSetMixFactor(&drv, 0, 1.0f, 0, 0);
audrvVoiceSetMixFactor(&drv, 0, 1.0f, 0, 1);
audrvVoiceStart(&drv, 0);
}
}
printf("done. Press A to play a sound.\n");

// Main loop
while (appletMainLoop())
{
gfxSwapBuffers();
hidScanInput();

u64 kDown = hidKeysDown(CONTROLLER_P1_AUTO);

if (kDown & KEY_PLUS)
break;

if (initedDriver)
{
if (kDown & KEY_A)
{
audrvVoiceStop(&drv, 0);
audrvVoiceAddWaveBuf(&drv, 0, &wavebuf);
audrvVoiceStart(&drv, 0);
}

res = audrvUpdate(&drv);
if (R_FAILED(res))
printf("audrvUpdate: %" PRIx32 "\n", res);
if (wavebuf.state == AudioDriverWaveBufState_Playing)
printf("sample count = %" PRIu32 "\n", audrvVoiceGetPlayedSampleCount(&drv, 0));
}

gfxFlushBuffers();
}

if (initedDriver)
audrvClose(&drv);
if (initedAudren)
audrenExit();

gfxExit();
return 0;
}

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