add new top level examples/ directory with one example for now (example_c_decode_file)

This commit is contained in:
Josh Coalson 2007-09-12 02:42:05 +00:00
parent 546ba794ca
commit 44937a7652
14 changed files with 806 additions and 22 deletions

View File

@ -29,6 +29,9 @@ Package=<5>
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name examples
End Project Dependency
Begin Project Dependency
Project_Dep_Name flac
End Project Dependency
@ -116,6 +119,9 @@ Package=<5>
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name examples
End Project Dependency
Begin Project Dependency
Project_Dep_Name flac
End Project Dependency
@ -189,6 +195,36 @@ Package=<4>
###############################################################################
Project: "examples"=.\examples\examples.dsp - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name example_c_decode_file
End Project Dependency
}}}
###############################################################################
Project: "example_c_decode_file"=.\examples\c\decode\file\example_c_decode_file.dsp - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name libFLAC_static
End Project Dependency
}}}
###############################################################################
Project: "flac"=.\src\flac\flac.dsp - Package Owner=<4>
Package=<5>

View File

@ -1,6 +1,11 @@

Microsoft Visual Studio Solution File, Format Version 9.00
# Visual C++ Express 2005
Project("{4cefbc7c-c215-11db-8314-0800200c9a66}") = "example_c_decode_file", "example\c\decode\file\example_c_decode_file.vcproj", "{4cefbd00-c215-11db-8314-0800200c9a66}"
ProjectSection(ProjectDependencies) = postProject
{4cefbc84-c215-11db-8314-0800200c9a66} = {4cefbc84-c215-11db-8314-0800200c9a66}
EndProjectSection
EndProject
Project("{4cefbc7c-c215-11db-8314-0800200c9a66}") = "flac", "src\flac\flac.vcproj", "{4cefbc7d-c215-11db-8314-0800200c9a66}"
ProjectSection(ProjectDependencies) = postProject
{4cefbc81-c215-11db-8314-0800200c9a66} = {4cefbc81-c215-11db-8314-0800200c9a66}
@ -220,6 +225,10 @@ Global
{4cefbc95-c215-11db-8314-0800200c9a66}.Debug|Win32.ActiveCfg = Debug|Win32
{4cefbc95-c215-11db-8314-0800200c9a66}.Debug|Win32.Build.0 = Debug|Win32
{4cefbc95-c215-11db-8314-0800200c9a66}.Release|Win32.ActiveCfg = Release|Win32
{4cefbd00-c215-11db-8314-0800200c9a66}.Debug|Win32.ActiveCfg = Debug|Win32
{4cefbd00-c215-11db-8314-0800200c9a66}.Debug|Win32.ActiveCfg = Debug|Win32
{4cefbd00-c215-11db-8314-0800200c9a66}.Debug|Win32.Build.0 = Debug|Win32
{4cefbd00-c215-11db-8314-0800200c9a66}.Release|Win32.ActiveCfg = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

View File

@ -30,8 +30,8 @@
topdir = .
.PHONY: all doc src libFLAC libFLAC++ share plugin_common plugin_xmms flac metaflac test_grabbag test_libFLAC test_libFLAC++ test_seeking test_streams
all: doc src
.PHONY: all doc src examples libFLAC libFLAC++ share plugin_common plugin_xmms flac metaflac test_grabbag test_libFLAC test_libFLAC++ test_seeking test_streams
all: doc src examples
DEFAULT_CONFIG = release
@ -46,57 +46,61 @@ valgrind: all
release : all
doc:
(cd $@ ; $(MAKE) -f Makefile.lite)
(cd $@ && $(MAKE) -f Makefile.lite)
src:
(cd $@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd $@ && $(MAKE) -f Makefile.lite $(CONFIG))
examples: src
(cd $@ && $(MAKE) -f Makefile.lite $(CONFIG))
libFLAC:
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
libFLAC++: libFLAC
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
share: libFLAC
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
flac: libFLAC share
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
metaflac: libFLAC share
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
plugin_common: libFLAC
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
plugin_xmms: libFLAC plugin_common
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
test_seeking: libFLAC
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
test_streams: libFLAC
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
test_grabbag: share
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
test_libFLAC: libFLAC
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
test_libFLAC++: libFLAC libFLAC++
(cd src/$@ ; $(MAKE) -f Makefile.lite $(CONFIG))
(cd src/$@ && $(MAKE) -f Makefile.lite $(CONFIG))
test: debug
(cd test ; $(MAKE) -f Makefile.lite debug)
(cd test && $(MAKE) -f Makefile.lite debug)
testv: valgrind
(cd test ; $(MAKE) -f Makefile.lite valgrind)
(cd test && $(MAKE) -f Makefile.lite valgrind)
testr: release
(cd test ; $(MAKE) -f Makefile.lite release)
(cd test && $(MAKE) -f Makefile.lite release)
clean:
-(cd doc ; $(MAKE) -f Makefile.lite clean)
-(cd src ; $(MAKE) -f Makefile.lite clean)
-(cd test ; $(MAKE) -f Makefile.lite clean)
-(cd doc && $(MAKE) -f Makefile.lite clean)
-(cd src && $(MAKE) -f Makefile.lite clean)
-(cd examples && $(MAKE) -f Makefile.lite clean)
-(cd test && $(MAKE) -f Makefile.lite clean)

27
examples/Makefile.am Normal file
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@ -0,0 +1,27 @@
# FLAC - Free Lossless Audio Codec
# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
#
# This file is part the FLAC project. FLAC is comprised of several
# components distributed under difference licenses. The codec libraries
# are distributed under Xiph.Org's BSD-like license (see the file
# COPYING.Xiph in this distribution). All other programs, libraries, and
# plugins are distributed under the GPL (see COPYING.GPL). The documentation
# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
# FLAC distribution contains at the top the terms under which it may be
# distributed.
#
# Since this particular file is relevant to all components of FLAC,
# it may be distributed under the Xiph.Org license, which is the least
# restrictive of those mentioned above. See the file COPYING.Xiph in this
# distribution.
if FLaC__WITH_CPPLIBS
CPPLIBS_DIRS = cpp
endif
SUBDIRS = c $(CPPLIBS_DIRS)
EXTRA_DIST = \
examples.dsp \
Makefile.lite \
README

37
examples/Makefile.lite Normal file
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@ -0,0 +1,37 @@
# FLAC - Free Lossless Audio Codec
# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
#
# This file is part the FLAC project. FLAC is comprised of several
# components distributed under difference licenses. The codec libraries
# are distributed under Xiph.Org's BSD-like license (see the file
# COPYING.Xiph in this distribution). All other programs, libraries, and
# plugins are distributed under the GPL (see COPYING.GPL). The documentation
# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
# FLAC distribution contains at the top the terms under which it may be
# distributed.
#
# Since this particular file is relevant to all components of FLAC,
# it may be distributed under the Xiph.Org license, which is the least
# restrictive of those mentioned above. See the file COPYING.Xiph in this
# distribution.
.PHONY: all example_c_decode_file
all: example_c_decode_file
DEFAULT_CONFIG = release
CONFIG = $(DEFAULT_CONFIG)
debug : CONFIG = debug
valgrind: CONFIG = valgrind
release : CONFIG = release
debug : all
valgrind: all
release : all
example_c_decode_file:
(cd c/decode/file && $(MAKE) -f Makefile.lite $(CONFIG))
clean:
-(cd c/decode/file && $(MAKE) -f Makefile.lite clean)

9
examples/README Normal file
View File

@ -0,0 +1,9 @@
Here are several small example programs that use the libraries in different
ways.
The "c" directory has programs that are all in C and use libFLAC.
The "cpp" directory has analogous programs that are all in C++ and use libFLAC++.
The programs are:
c/decode/file/ - example_c_decode_file - Simple FLAC file decoder using libFLAC

18
examples/c/Makefile.am Normal file
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@ -0,0 +1,18 @@
# FLAC - Free Lossless Audio Codec
# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
#
# This file is part the FLAC project. FLAC is comprised of several
# components distributed under difference licenses. The codec libraries
# are distributed under Xiph.Org's BSD-like license (see the file
# COPYING.Xiph in this distribution). All other programs, libraries, and
# plugins are distributed under the GPL (see COPYING.GPL). The documentation
# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
# FLAC distribution contains at the top the terms under which it may be
# distributed.
#
# Since this particular file is relevant to all components of FLAC,
# it may be distributed under the Xiph.Org license, which is the least
# restrictive of those mentioned above. See the file COPYING.Xiph in this
# distribution.
SUBDIRS = decode

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@ -0,0 +1,18 @@
# FLAC - Free Lossless Audio Codec
# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
#
# This file is part the FLAC project. FLAC is comprised of several
# components distributed under difference licenses. The codec libraries
# are distributed under Xiph.Org's BSD-like license (see the file
# COPYING.Xiph in this distribution). All other programs, libraries, and
# plugins are distributed under the GPL (see COPYING.GPL). The documentation
# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the
# FLAC distribution contains at the top the terms under which it may be
# distributed.
#
# Since this particular file is relevant to all components of FLAC,
# it may be distributed under the Xiph.Org license, which is the least
# restrictive of those mentioned above. See the file COPYING.Xiph in this
# distribution.
SUBDIRS = file

View File

@ -0,0 +1,30 @@
# example_c_decode_file - Simple FLAC file decoder using libFLAC
# Copyright (C) 2007 Josh Coalson
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
EXTRA_DIST = \
Makefile.lite \
example_c_decode_file.dsp \
example_c_decode_file.vcproj \
INCLUDES = -I$(top_srcdir)/src/libFLAC/include
noinst_PROGRAMS = example_c_decode_file
example_c_decode_file_LDADD = \
@OGG_LIBS@ \
@MINGW_WINSOCK_LIBS@ \
-lm
example_c_decode_file_SOURCES = main.c

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@ -0,0 +1,39 @@
# example_c_decode_file - Simple FLAC file decoder using libFLAC
# Copyright (C) 2007 Josh Coalson
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# GNU makefile
#
topdir = ../../../..
libdir = $(topdir)/obj/$(BUILD)/lib
PROGRAM_NAME = example_c_decode_file
INCLUDES = -I../libFLAC/include -I$(topdir)/include
ifeq ($(DARWIN_BUILD),yes)
EXPLICIT_LIBS = $(libdir)/libFLAC.a $(OGG_LIB_DIR)/libogg.a -lm
else
LIBS = -lFLAC -L$(OGG_LIB_DIR) -logg -lm
endif
SRCS_C = main.c
include $(topdir)/build/exe.mk
# DO NOT DELETE THIS LINE -- make depend depends on it.

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@ -0,0 +1,100 @@
# Microsoft Developer Studio Project File - Name="example_c_decode_file" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
# ** DO NOT EDIT **
# TARGTYPE "Win32 (x86) Console Application" 0x0103
CFG=example_c_decode_file - Win32 Debug
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
!MESSAGE use the Export Makefile command and run
!MESSAGE
!MESSAGE NMAKE /f "example_c_decode_file.mak".
!MESSAGE
!MESSAGE You can specify a configuration when running NMAKE
!MESSAGE by defining the macro CFG on the command line. For example:
!MESSAGE
!MESSAGE NMAKE /f "example_c_decode_file.mak" CFG="example_c_decode_file - Win32 Debug"
!MESSAGE
!MESSAGE Possible choices for configuration are:
!MESSAGE
!MESSAGE "example_c_decode_file - Win32 Release" (based on "Win32 (x86) Console Application")
!MESSAGE "example_c_decode_file - Win32 Debug" (based on "Win32 (x86) Console Application")
!MESSAGE
# Begin Project
# PROP AllowPerConfigDependencies 0
# PROP Scc_ProjName ""
# PROP Scc_LocalPath ""
CPP=cl.exe
RSC=rc.exe
!IF "$(CFG)" == "example_c_decode_file - Win32 Release"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 0
# PROP BASE Output_Dir "Release"
# PROP BASE Intermediate_Dir "Release"
# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 0
# PROP Output_Dir "..\..\..\..\obj\release\bin"
# PROP Intermediate_Dir "Release"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /Yu"stdafx.h" /FD /c
# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\..\..\include" /D "NDEBUG" /D "FLAC__NO_DLL" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /FD /c
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LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
# ADD LINK32 ..\..\..\..\obj\release\lib\libFLAC_static.lib ..\..\..\..\obj\release\lib\ogg_static.lib /nologo /subsystem:console /machine:I386
!ELSEIF "$(CFG)" == "example_c_decode_file - Win32 Debug"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 1
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# PROP BASE Intermediate_Dir "Debug"
# PROP BASE Target_Dir ""
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# ADD CPP /nologo /MDd /W3 /Gm /GX /ZI /Od /I "..\..\..\..\include" /D "_DEBUG" /D "DEBUG" /D "FLAC__NO_DLL" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /FD /GZ /c
# SUBTRACT CPP /YX /Yc /Yu
# ADD BASE RSC /l 0x409 /d "_DEBUG"
# ADD RSC /l 0x409 /d "_DEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# ADD LINK32 ..\..\..\..\obj\debug\lib\libFLAC_static.lib ..\..\..\..\obj\release\lib\ogg_static.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
!ENDIF
# Begin Target
# Name "example_c_decode_file - Win32 Release"
# Name "example_c_decode_file - Win32 Debug"
# Begin Group "Source Files"
# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
# Begin Source File
SOURCE=.\main.c
# End Source File
# End Group
# Begin Group "Header Files"
# PROP Default_Filter "h;hpp;hxx;hm;inl"
# End Group
# End Target
# End Project

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@ -0,0 +1,204 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="8.00"
Name="example_c_decode_file"
ProjectGUID="{4cefbd00-c215-11db-8314-0800200c9a66}"
RootNamespace="example_c_decode_file"
Keyword="Win32Proj"
>
<Platforms>
<Platform
Name="Win32"
/>
</Platforms>
<ToolFiles>
</ToolFiles>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="..\..\..\..\obj\debug\bin"
IntermediateDirectory="Debug"
ConfigurationType="1"
>
<Tool
Name="VCPreBuildEventTool"
/>
<Tool
Name="VCCustomBuildTool"
/>
<Tool
Name="VCXMLDataGeneratorTool"
/>
<Tool
Name="VCWebServiceProxyGeneratorTool"
/>
<Tool
Name="VCMIDLTool"
/>
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="..\..\..\..\include"
PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;FLAC__NO_DLL;DEBUG"
MinimalRebuild="true"
BasicRuntimeChecks="3"
RuntimeLibrary="1"
UsePrecompiledHeader="0"
WarningLevel="3"
Detect64BitPortabilityProblems="true"
DebugInformationFormat="4"
CompileAs="0"
DisableSpecificWarnings="4267;4996"
/>
<Tool
Name="VCManagedResourceCompilerTool"
/>
<Tool
Name="VCResourceCompilerTool"
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<Tool
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Name="VCLinkerTool"
AdditionalDependencies="..\..\..\..\obj\release\lib\ogg_static.lib"
LinkIncremental="2"
IgnoreDefaultLibraryNames="uuid.lib"
GenerateDebugInformation="true"
SubSystem="1"
TargetMachine="1"
/>
<Tool
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/>
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/>
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Name="Release|Win32"
OutputDirectory="..\..\..\..\obj\release\bin"
IntermediateDirectory="Release"
ConfigurationType="1"
>
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Name="VCPreBuildEventTool"
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DebugInformationFormat="3"
CompileAs="0"
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</VisualStudioProject>

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@ -0,0 +1,186 @@
/* example_c_decode_file - Simple FLAC file decoder using libFLAC
* Copyright (C) 2007 Josh Coalson
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* This example shows how to use libFLAC to decode a FLAC file to a WAVE
* file. It only supports 16-bit stereo files.
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include "FLAC/stream_decoder.h"
static FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
static void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
static void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
FLAC__uint64 total_samples = 0;
unsigned sample_rate = 0;
unsigned channels = 0;
unsigned bps = 0;
static FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 x)
{
return
fputc(x, f) != EOF &&
fputc(x >> 8, f) != EOF
;
}
static FLAC__bool write_little_endian_int16(FILE *f, FLAC__int16 x)
{
return write_little_endian_uint16(f, (FLAC__uint16)x);
}
static FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 x)
{
return
fputc(x, f) != EOF &&
fputc(x >> 8, f) != EOF &&
fputc(x >> 16, f) != EOF &&
fputc(x >> 24, f) != EOF
;
}
int main(int argc, char *argv[])
{
FLAC__bool ok = true;
FLAC__StreamDecoder *decoder = 0;
FLAC__StreamDecoderInitStatus init_status;
FILE *fout;
if(argc != 3) {
fprintf(stderr, "usage: %s infile.flac outfile.wav\n", argv[0]);
return 1;
}
if((decoder = FLAC__stream_decoder_new()) == NULL) {
fprintf(stderr, "ERROR: allocation decoder\n");
return 1;
}
if((fout = fopen(argv[2], "wb")) == NULL) {
fprintf(stderr, "ERROR: opening %s for output\n", argv[2]);
return 1;
}
(void)FLAC__stream_decoder_set_md5_checking(decoder, true);
init_status = FLAC__stream_decoder_init_file(decoder, argv[1], write_callback, metadata_callback, error_callback, /*client_data=*/fout);
if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
fprintf(stderr, "ERROR: initializing decoder: %s\n", FLAC__StreamDecoderInitStatusString[init_status]);
ok = false;
}
if(ok) {
ok = FLAC__stream_decoder_process_until_end_of_stream(decoder);
fprintf(stderr, "decoding: %s\n", ok? "succeeded" : "FAILED");
fprintf(stderr, " state: %s\n", FLAC__StreamDecoderStateString[FLAC__stream_decoder_get_state(decoder)]);
}
FLAC__stream_decoder_delete(decoder);
fclose(fout);
return 0;
}
FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
{
FILE *f = (FILE*)client_data;
const FLAC__uint32 total_size = (FLAC__uint32)(total_samples * channels * (bps/8));
size_t i;
(void)decoder;
if(total_samples == 0) {
fprintf(stderr, "ERROR: this example only works for FLAC files that have a total_samples count in STREAMINFO\n");
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
if(channels != 2 || bps != 16) {
fprintf(stderr, "ERROR: this example only supports 16bit stereo streams\n");
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
/* write WAVE header before we write the first frame */
if(frame->header.number.sample_number == 0) {
if(
fwrite("RIFF", 1, 4, f) < 4 ||
!write_little_endian_uint32(f, total_size + 36) ||
fwrite("WAVEfmt ", 1, 8, f) < 8 ||
!write_little_endian_uint32(f, 16) ||
!write_little_endian_uint16(f, 1) ||
!write_little_endian_uint16(f, channels) ||
!write_little_endian_uint32(f, sample_rate) ||
!write_little_endian_uint32(f, sample_rate * channels * (bps/8)) ||
!write_little_endian_uint16(f, channels * (bps/8)) || /* block align */
!write_little_endian_uint16(f, bps) ||
fwrite("data", 1, 4, f) < 4 ||
!write_little_endian_uint32(f, total_size)
) {
fprintf(stderr, "ERROR: write error\n");
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
}
/* write decoded PCM samples */
for(i = 0; i < frame->header.blocksize; i++) {
if(
!write_little_endian_int16(f, buffer[0][i]) || /* left channel */
!write_little_endian_int16(f, buffer[1][i]) /* right channel */
) {
fprintf(stderr, "ERROR: write error\n");
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
}
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
}
void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
{
(void)decoder, (void)client_data;
/* print some stats */
if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
/* save for later */
total_samples = metadata->data.stream_info.total_samples;
sample_rate = metadata->data.stream_info.sample_rate;
channels = metadata->data.stream_info.channels;
bps = metadata->data.stream_info.bits_per_sample;
fprintf(stderr, "sample rate : %u Hz\n", sample_rate);
fprintf(stderr, "channels : %u\n", channels);
fprintf(stderr, "bits per sample: %u\n", bps);
#ifdef _MSC_VER
fprintf(stderr, "total samples : %I64u\n", total_samples);
#else
fprintf(stderr, "total samples : %llu\n", total_samples);
#endif
}
}
void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
{
(void)decoder, (void)client_data;
fprintf(stderr, "Got error callback: %s\n", FLAC__StreamDecoderErrorStatusString[status]);
}

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