mirror of
https://github.com/switchbrew/switch-examples.git
synced 2025-06-20 21:12:38 +02:00
Added hwopus example.
This commit is contained in:
yellows8
parent
b8cd670b53
commit
87a69934f6
199
audio/hwopus-decoder/Makefile
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199
audio/hwopus-decoder/Makefile
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@ -0,0 +1,199 @@
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#---------------------------------------------------------------------------------
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(DEVKITPRO)),)
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$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
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endif
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TOPDIR ?= $(CURDIR)
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include $(DEVKITPRO)/libnx/switch_rules
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#---------------------------------------------------------------------------------
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# TARGET is the name of the output
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# BUILD is the directory where object files & intermediate files will be placed
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# SOURCES is a list of directories containing source code
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# DATA is a list of directories containing data files
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# INCLUDES is a list of directories containing header files
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# EXEFS_SRC is the optional input directory containing data copied into exefs, if anything this normally should only contain "main.npdm".
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# ROMFS is the directory containing data to be added to RomFS, relative to the Makefile (Optional)
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#
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# NO_ICON: if set to anything, do not use icon.
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# NO_NACP: if set to anything, no .nacp file is generated.
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# APP_TITLE is the name of the app stored in the .nacp file (Optional)
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# APP_AUTHOR is the author of the app stored in the .nacp file (Optional)
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# APP_VERSION is the version of the app stored in the .nacp file (Optional)
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# APP_TITLEID is the titleID of the app stored in the .nacp file (Optional)
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# ICON is the filename of the icon (.jpg), relative to the project folder.
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# If not set, it attempts to use one of the following (in this order):
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# - <Project name>.jpg
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# - icon.jpg
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# - <libnx folder>/default_icon.jpg
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#---------------------------------------------------------------------------------
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TARGET := $(notdir $(CURDIR))
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BUILD := build
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SOURCES := source
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DATA := data
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INCLUDES := include
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EXEFS_SRC := exefs_src
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#ROMFS := romfs
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#---------------------------------------------------------------------------------
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# options for code generation
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#---------------------------------------------------------------------------------
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ARCH := -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE
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CFLAGS := -g -Wall -O2 -ffunction-sections -save-temps \
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$(ARCH) $(DEFINES)
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CFLAGS += $(INCLUDE) -D__SWITCH__ `aarch64-none-elf-pkg-config --cflags opusfile`
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CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
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ASFLAGS := -g $(ARCH)
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LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
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LIBS := -lnx `aarch64-none-elf-pkg-config --libs opusfile`
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#---------------------------------------------------------------------------------
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# list of directories containing libraries, this must be the top level containing
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# include and lib
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#---------------------------------------------------------------------------------
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LIBDIRS := $(PORTLIBS) $(LIBNX)
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#---------------------------------------------------------------------------------
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# no real need to edit anything past this point unless you need to add additional
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# rules for different file extensions
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#---------------------------------------------------------------------------------
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ifneq ($(BUILD),$(notdir $(CURDIR)))
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#---------------------------------------------------------------------------------
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export OUTPUT := $(CURDIR)/$(TARGET)
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export TOPDIR := $(CURDIR)
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export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
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$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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export DEPSDIR := $(CURDIR)/$(BUILD)
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CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
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CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
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SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
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#---------------------------------------------------------------------------------
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# use CXX for linking C++ projects, CC for standard C
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(CPPFILES)),)
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#---------------------------------------------------------------------------------
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export LD := $(CC)
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#---------------------------------------------------------------------------------
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else
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#---------------------------------------------------------------------------------
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export LD := $(CXX)
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#---------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------
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export OFILES_BIN := $(addsuffix .o,$(BINFILES))
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export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
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export OFILES := $(OFILES_BIN) $(OFILES_SRC)
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export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES)))
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export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
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$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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-I$(CURDIR)/$(BUILD)
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export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
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export BUILD_EXEFS_SRC := $(TOPDIR)/$(EXEFS_SRC)
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ifeq ($(strip $(ICON)),)
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icons := $(wildcard *.jpg)
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ifneq (,$(findstring $(TARGET).jpg,$(icons)))
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export APP_ICON := $(TOPDIR)/$(TARGET).jpg
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else
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ifneq (,$(findstring icon.jpg,$(icons)))
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export APP_ICON := $(TOPDIR)/icon.jpg
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endif
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endif
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else
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export APP_ICON := $(TOPDIR)/$(ICON)
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endif
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ifeq ($(strip $(NO_ICON)),)
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export NROFLAGS += --icon=$(APP_ICON)
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endif
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ifeq ($(strip $(NO_NACP)),)
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export NROFLAGS += --nacp=$(CURDIR)/$(TARGET).nacp
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endif
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ifneq ($(APP_TITLEID),)
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export NACPFLAGS += --titleid=$(APP_TITLEID)
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endif
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ifneq ($(ROMFS),)
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export NROFLAGS += --romfsdir=$(CURDIR)/$(ROMFS)
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endif
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.PHONY: $(BUILD) clean all
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#---------------------------------------------------------------------------------
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all: $(BUILD)
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$(BUILD):
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@[ -d $@ ] || mkdir -p $@
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@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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#---------------------------------------------------------------------------------
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clean:
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@echo clean ...
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@rm -fr $(BUILD) $(TARGET).pfs0 $(TARGET).nso $(TARGET).nro $(TARGET).nacp $(TARGET).elf
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#---------------------------------------------------------------------------------
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else
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.PHONY: all
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DEPENDS := $(OFILES:.o=.d)
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#---------------------------------------------------------------------------------
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# main targets
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#---------------------------------------------------------------------------------
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all : $(OUTPUT).pfs0 $(OUTPUT).nro
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$(OUTPUT).pfs0 : $(OUTPUT).nso
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$(OUTPUT).nso : $(OUTPUT).elf
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ifeq ($(strip $(NO_NACP)),)
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$(OUTPUT).nro : $(OUTPUT).elf $(OUTPUT).nacp
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else
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$(OUTPUT).nro : $(OUTPUT).elf
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endif
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$(OUTPUT).elf : $(OFILES)
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$(OFILES_SRC) : $(HFILES_BIN)
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#---------------------------------------------------------------------------------
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# you need a rule like this for each extension you use as binary data
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#---------------------------------------------------------------------------------
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%.bin.o %_bin.h : %.bin
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#---------------------------------------------------------------------------------
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@echo $(notdir $<)
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@$(bin2o)
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#---------------------------------------------------------------------------------
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%.opus.o %_opus.h : %.opus
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#---------------------------------------------------------------------------------
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@echo $(notdir $<)
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@$(bin2o)
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-include $(DEPENDS)
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#---------------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------------
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BIN
audio/hwopus-decoder/data/sample.opus
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BIN
audio/hwopus-decoder/data/sample.opus
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Binary file not shown.
255
audio/hwopus-decoder/source/main.c
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255
audio/hwopus-decoder/source/main.c
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <malloc.h>
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#include <inttypes.h>
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#include <switch.h>
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#include <opus/opusfile.h>
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#include "sample_opus.h"
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// Sample comes from this website:
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// https://www.soundjay.com/magic-sound-effect.html
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//Example for playing audio decoded with hwopus using audren. This decodes Opus in hardware. For encoding this is not available with hwopus, hence that has to be done in software.
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//Requires package switch-opusfile.
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//This uses libopusfile, see also the docs for that.
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//Note that actual apps should handle audio on a dedicated thread.
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static size_t opuspkt_tmpbuf_size = sizeof(HwopusHeader) + 4096*48;
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static u8* opuspkt_tmpbuf;
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int hw_decode(void *_ctx, OpusMSDecoder *_decoder, void *_pcm, const ogg_packet *_op, int _nsamples, int _nchannels, int _format, int _li) {
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HwopusDecoder *decoder = (HwopusDecoder*)_ctx;
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HwopusHeader *hdr = NULL;
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size_t pktsize, pktsize_extra;
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Result rc = 0;
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s32 DecodedDataSize = 0;
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s32 DecodedSampleCount = 0;
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if (_format != OP_DEC_FORMAT_SHORT) return OPUS_BAD_ARG;
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pktsize = _op->bytes;//Opus packet size.
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pktsize_extra = pktsize+8;//Packet size with HwopusHeader.
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if (pktsize_extra > opuspkt_tmpbuf_size) return OPUS_INTERNAL_ERROR;
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hdr = (HwopusHeader*)opuspkt_tmpbuf;
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memset(opuspkt_tmpbuf, 0, pktsize_extra);
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hdr->size = __builtin_bswap32(pktsize);
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memcpy(&opuspkt_tmpbuf[sizeof(HwopusHeader)], _op->packet, pktsize);
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rc = hwopusDecodeInterleaved(decoder, &DecodedDataSize, &DecodedSampleCount, opuspkt_tmpbuf, pktsize_extra, _pcm, _nsamples * _nchannels * sizeof(opus_int16));
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if (R_FAILED(rc)) return OPUS_INTERNAL_ERROR;
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if (DecodedDataSize != pktsize_extra || DecodedSampleCount != _nsamples) return OPUS_INVALID_PACKET;
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return 0;
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}
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int main(void)
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{
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consoleInit(NULL);
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printf("Simple hwopus-decoder example with audren\n");
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static const AudioRendererConfig arConfig =
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{
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.output_rate = AudioRendererOutputRate_48kHz,
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.num_voices = 24,
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.num_effects = 0,
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.num_sinks = 1,
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.num_mix_objs = 1,
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.num_mix_buffers = 2,
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};
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size_t num_channels = 1;
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size_t samplerate = 48000;
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size_t max_samples = samplerate;
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size_t max_samples_datasize = max_samples*num_channels*sizeof(opus_int16);
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size_t mempool_size = (max_samples_datasize*2 + 0xFFF) &~ 0xFFF;//*2 for 2 wavebufs.
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void* mempool_ptr = memalign(0x1000, mempool_size);
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void* tmpdata_ptr = malloc(max_samples_datasize);
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opuspkt_tmpbuf = (u8*)malloc(opuspkt_tmpbuf_size);
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opus_int16* curbuf = NULL;
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AudioDriverWaveBuf wavebuf[2] = {0};
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int i, wavei;
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HwopusDecoder hwdecoder = {0};
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AudioDriver drv;
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Result res=0;
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bool initedDriver = false;
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bool initedAudren = false;
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bool audio_playing = false;
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int opret=0;
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int total_samples_size=0;
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OggOpusFile *of = NULL;
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if (mempool_ptr) memset(mempool_ptr, 0, mempool_size);
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if (tmpdata_ptr) memset(tmpdata_ptr, 0, max_samples_datasize);
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if (opuspkt_tmpbuf) memset(opuspkt_tmpbuf, 0, opuspkt_tmpbuf_size);
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if (mempool_ptr==NULL || tmpdata_ptr==NULL || opuspkt_tmpbuf==NULL) {
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res = 1;
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printf("Failed to allocate memory.\n");
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}
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if (R_SUCCEEDED(res)) {
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res = hwopusDecoderInitialize(&hwdecoder, samplerate, num_channels);//This assumes that the opus file is <samplerate> with <num_channels>.
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if (R_FAILED(res))
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printf("hwopusDecoderInitialize: %08" PRIx32 "\n", res);
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else
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{
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res = audrenInitialize(&arConfig);
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initedAudren = R_SUCCEEDED(res);
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if (!initedAudren)
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printf("audrenInitialize: %08" PRIx32 "\n", res);
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else
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{
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printf("audren initted!\n");
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res = audrvCreate(&drv, &arConfig, 2);
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initedDriver = R_SUCCEEDED(res);
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if (R_FAILED(res))
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printf("audrvCreate: %08" PRIx32 "\n", res);
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else
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{
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int mpid = audrvMemPoolAdd(&drv, mempool_ptr, mempool_size);
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audrvMemPoolAttach(&drv, mpid);
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static const u8 sink_channels[] = { 0, 1 };
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int sink = audrvDeviceSinkAdd(&drv, AUDREN_DEFAULT_DEVICE_NAME, 2, sink_channels);
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res = audrvUpdate(&drv);
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printf("audrvUpdate: %" PRIx32 "\n", res);
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res = audrenStartAudioRenderer();
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printf("audrenStartAudioRenderer: %" PRIx32 "\n", res);
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audrvVoiceInit(&drv, 0, num_channels, PcmFormat_Int16, samplerate);
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audrvVoiceSetDestinationMix(&drv, 0, AUDREN_FINAL_MIX_ID);
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if (num_channels == 1) {//mono
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audrvVoiceSetMixFactor(&drv, 0, 1.0f, 0, 0);
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audrvVoiceSetMixFactor(&drv, 0, 1.0f, 0, 1);
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}
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else {//stereo
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audrvVoiceSetMixFactor(&drv, 0, 1.0f, 0, 0);
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audrvVoiceSetMixFactor(&drv, 0, 0.0f, 0, 1);
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audrvVoiceSetMixFactor(&drv, 0, 0.0f, 1, 0);
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audrvVoiceSetMixFactor(&drv, 0, 1.0f, 1, 1);
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}
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audrvVoiceStart(&drv, 0);
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for(i=0; i<2; i++) {
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wavebuf[i].data_raw = mempool_ptr;
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wavebuf[i].size = max_samples_datasize*2;//*2 for 2 wavebufs.
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wavebuf[i].start_sample_offset = i * max_samples;
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wavebuf[i].end_sample_offset = wavebuf[i].start_sample_offset + max_samples;
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}
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}
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}
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}
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}
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if (initedDriver)
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printf("done. Press A to play a sound.\n");
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else
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printf("Init failed.\n");
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// Main loop
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while (appletMainLoop())
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{
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hidScanInput();
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u64 kDown = hidKeysDown(CONTROLLER_P1_AUTO);
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if (kDown & KEY_PLUS)
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break;
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if (initedDriver)
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{
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if (kDown & KEY_A)
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{
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//Close the opus-file if needed and (re)open it, since libopusfile doesn't support seek-to-beginning.
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if (of)
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op_free(of);
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of = op_open_memory (sample_opus, sample_opus_size, NULL);
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if (of == NULL) {
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printf("Failed to open OggOpusFile.\n");
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}
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else {
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op_set_decode_callback(of, hw_decode, &hwdecoder);
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audrvVoiceStop(&drv, 0);
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audio_playing = true;
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}
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}
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if (audio_playing) {
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wavei = -1;
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for(i=0; i<2; i++) {
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if (wavebuf[i].state == AudioDriverWaveBufState_Free || wavebuf[i].state == AudioDriverWaveBufState_Done) {
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wavei = i;
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break;
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}
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}
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if (wavei >= 0) {
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curbuf = (opus_int16*)(mempool_ptr + wavebuf[wavei].start_sample_offset);
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opret = op_read(of, tmpdata_ptr, max_samples * num_channels, NULL);//The buffer used here has to be seperate from mempool_ptr.
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if (opret < 0)
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printf("op_read() failed: %d\n", opret);
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else if (opret == 0) {//End of file reached (see also libopusfile docs).
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audio_playing = false;
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if (of)
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op_free(of);
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of = NULL;
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}
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else {
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if (opret > max_samples) opret = max_samples;//Should never happen.
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total_samples_size = opret*sizeof(opus_int16);//Total samples data-size per channel.
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memcpy(curbuf, tmpdata_ptr, total_samples_size);
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armDCacheFlush(curbuf, total_samples_size);
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wavebuf[wavei].end_sample_offset = wavebuf[wavei].start_sample_offset + total_samples_size/sizeof(opus_int16);
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audrvVoiceAddWaveBuf(&drv, 0, &wavebuf[wavei]);
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}
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}
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else {
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if (!audrvVoiceIsPlaying(&drv, 0))
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audrvVoiceStart(&drv, 0);
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}
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}
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res = audrvUpdate(&drv);
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if (R_FAILED(res))
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printf("audrvUpdate: %" PRIx32 "\n", res);
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if (audrvVoiceIsPlaying(&drv, 0))
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printf("sample count = %" PRIu32 "\n", audrvVoiceGetPlayedSampleCount(&drv, 0));
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}
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consoleUpdate(NULL);
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}
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hwopusDecoderExit(&hwdecoder);
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if (of)
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op_free(of);
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if (initedDriver)
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audrvClose(&drv);
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if (initedAudren)
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audrenExit();
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free(mempool_ptr);
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free(tmpdata_ptr);
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free(opuspkt_tmpbuf);
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consoleExit(NULL);
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return 0;
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}
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