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Added support for FLAC audio files

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Laurent Gomila 2014-10-02 20:24:00 +02:00 committed by Mario Liebisch
parent 6096d22091
commit 5e0e645f46
22 changed files with 8065 additions and 7 deletions
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15
cmake/Modules/FindFLAC.cmake Normal file
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#
# Try to find FLAC libraries and include paths.
# Once done this will define
#
# FLAC_FOUND
# FLAC_INCLUDE_DIR
# FLAC_LIBRARY
#
find_path(FLAC_INCLUDE_DIR flac/stream_decoder.h)
find_library(FLAC_LIBRARY NAMES flac)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(FLAC DEFAULT_MSG FLAC_LIBRARY FLAC_INCLUDE_DIR)

3
cmake/Modules/FindSFML.cmake
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@ -325,9 +325,10 @@ if(SFML_STATIC_LIBRARIES)
find_sfml_dependency(OGG_LIBRARY "Ogg" ogg)
find_sfml_dependency(VORBIS_LIBRARY "Vorbis" vorbis)
find_sfml_dependency(VORBISFILE_LIBRARY "VorbisFile" vorbisfile)
find_sfml_dependency(FLAC_LIBRARY "FLAC" flac)
# update the list
set(SFML_AUDIO_DEPENDENCIES ${OPENAL_LIBRARY} ${VORBISFILE_LIBRARY} ${VORBIS_LIBRARY} ${OGG_LIBRARY})
set(SFML_AUDIO_DEPENDENCIES ${OPENAL_LIBRARY} ${FLAC_LIBRARY} ${VORBISFILE_LIBRARY} ${VORBIS_LIBRARY} ${OGG_LIBRARY})
set(SFML_DEPENDENCIES ${SFML_DEPENDENCIES} ${SFML_AUDIO_DEPENDENCIES})
endif()

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extlibs/headers/flac/all.h vendored Normal file
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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2013 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__ALL_H
#define FLAC__ALL_H
#include "export.h"
#include "assert.h"
#include "callback.h"
#include "format.h"
#include "metadata.h"
#include "ordinals.h"
#include "stream_decoder.h"
#include "stream_encoder.h"
/** \mainpage
*
* \section intro Introduction
*
* This is the documentation for the FLAC C and C++ APIs. It is
* highly interconnected; this introduction should give you a top
* level idea of the structure and how to find the information you
* need. As a prerequisite you should have at least a basic
* knowledge of the FLAC format, documented
* <A HREF="../format.html">here</A>.
*
* \section c_api FLAC C API
*
* The FLAC C API is the interface to libFLAC, a set of structures
* describing the components of FLAC streams, and functions for
* encoding and decoding streams, as well as manipulating FLAC
* metadata in files. The public include files will be installed
* in your include area (for example /usr/include/FLAC/...).
*
* By writing a little code and linking against libFLAC, it is
* relatively easy to add FLAC support to another program. The
* library is licensed under <A HREF="../license.html">Xiph's BSD license</A>.
* Complete source code of libFLAC as well as the command-line
* encoder and plugins is available and is a useful source of
* examples.
*
* Aside from encoders and decoders, libFLAC provides a powerful
* metadata interface for manipulating metadata in FLAC files. It
* allows the user to add, delete, and modify FLAC metadata blocks
* and it can automatically take advantage of PADDING blocks to avoid
* rewriting the entire FLAC file when changing the size of the
* metadata.
*
* libFLAC usually only requires the standard C library and C math
* library. In particular, threading is not used so there is no
* dependency on a thread library. However, libFLAC does not use
* global variables and should be thread-safe.
*
* libFLAC also supports encoding to and decoding from Ogg FLAC.
* However the metadata editing interfaces currently have limited
* read-only support for Ogg FLAC files.
*
* \section cpp_api FLAC C++ API
*
* The FLAC C++ API is a set of classes that encapsulate the
* structures and functions in libFLAC. They provide slightly more
* functionality with respect to metadata but are otherwise
* equivalent. For the most part, they share the same usage as
* their counterparts in libFLAC, and the FLAC C API documentation
* can be used as a supplement. The public include files
* for the C++ API will be installed in your include area (for
* example /usr/include/FLAC++/...).
*
* libFLAC++ is also licensed under
* <A HREF="../license.html">Xiph's BSD license</A>.
*
* \section getting_started Getting Started
*
* A good starting point for learning the API is to browse through
* the <A HREF="modules.html">modules</A>. Modules are logical
* groupings of related functions or classes, which correspond roughly
* to header files or sections of header files. Each module includes a
* detailed description of the general usage of its functions or
* classes.
*
* From there you can go on to look at the documentation of
* individual functions. You can see different views of the individual
* functions through the links in top bar across this page.
*
* If you prefer a more hands-on approach, you can jump right to some
* <A HREF="../documentation_example_code.html">example code</A>.
*
* \section porting_guide Porting Guide
*
* Starting with FLAC 1.1.3 a \link porting Porting Guide \endlink
* has been introduced which gives detailed instructions on how to
* port your code to newer versions of FLAC.
*
* \section embedded_developers Embedded Developers
*
* libFLAC has grown larger over time as more functionality has been
* included, but much of it may be unnecessary for a particular embedded
* implementation. Unused parts may be pruned by some simple editing of
* src/libFLAC/Makefile.am. In general, the decoders, encoders, and
* metadata interface are all independent from each other.
*
* It is easiest to just describe the dependencies:
*
* - All modules depend on the \link flac_format Format \endlink module.
* - The decoders and encoders depend on the bitbuffer.
* - The decoder is independent of the encoder. The encoder uses the
* decoder because of the verify feature, but this can be removed if
* not needed.
* - Parts of the metadata interface require the stream decoder (but not
* the encoder).
* - Ogg support is selectable through the compile time macro
* \c FLAC__HAS_OGG.
*
* For example, if your application only requires the stream decoder, no
* encoder, and no metadata interface, you can remove the stream encoder
* and the metadata interface, which will greatly reduce the size of the
* library.
*
* Also, there are several places in the libFLAC code with comments marked
* with "OPT:" where a #define can be changed to enable code that might be
* faster on a specific platform. Experimenting with these can yield faster
* binaries.
*/
/** \defgroup porting Porting Guide for New Versions
*
* This module describes differences in the library interfaces from
* version to version. It assists in the porting of code that uses
* the libraries to newer versions of FLAC.
*
* One simple facility for making porting easier that has been added
* in FLAC 1.1.3 is a set of \c #defines in \c export.h of each
* library's includes (e.g. \c include/FLAC/export.h). The
* \c #defines mirror the libraries'
* <A HREF="http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning">libtool version numbers</A>,
* e.g. in libFLAC there are \c FLAC_API_VERSION_CURRENT,
* \c FLAC_API_VERSION_REVISION, and \c FLAC_API_VERSION_AGE.
* These can be used to support multiple versions of an API during the
* transition phase, e.g.
*
* \code
* #if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7
* legacy code
* #else
* new code
* #endif
* \endcode
*
* The the source will work for multiple versions and the legacy code can
* easily be removed when the transition is complete.
*
* Another available symbol is FLAC_API_SUPPORTS_OGG_FLAC (defined in
* include/FLAC/export.h), which can be used to determine whether or not
* the library has been compiled with support for Ogg FLAC. This is
* simpler than trying to call an Ogg init function and catching the
* error.
*/
/** \defgroup porting_1_1_2_to_1_1_3 Porting from FLAC 1.1.2 to 1.1.3
* \ingroup porting
*
* \brief
* This module describes porting from FLAC 1.1.2 to FLAC 1.1.3.
*
* The main change between the APIs in 1.1.2 and 1.1.3 is that they have
* been simplified. First, libOggFLAC has been merged into libFLAC and
* libOggFLAC++ has been merged into libFLAC++. Second, both the three
* decoding layers and three encoding layers have been merged into a
* single stream decoder and stream encoder. That is, the functionality
* of FLAC__SeekableStreamDecoder and FLAC__FileDecoder has been merged
* into FLAC__StreamDecoder, and FLAC__SeekableStreamEncoder and
* FLAC__FileEncoder into FLAC__StreamEncoder. Only the
* FLAC__StreamDecoder and FLAC__StreamEncoder remain. What this means
* is there is now a single API that can be used to encode or decode
* streams to/from native FLAC or Ogg FLAC and the single API can work
* on both seekable and non-seekable streams.
*
* Instead of creating an encoder or decoder of a certain layer, now the
* client will always create a FLAC__StreamEncoder or
* FLAC__StreamDecoder. The old layers are now differentiated by the
* initialization function. For example, for the decoder,
* FLAC__stream_decoder_init() has been replaced by
* FLAC__stream_decoder_init_stream(). This init function takes
* callbacks for the I/O, and the seeking callbacks are optional. This
* allows the client to use the same object for seekable and
* non-seekable streams. For decoding a FLAC file directly, the client
* can use FLAC__stream_decoder_init_file() and pass just a filename
* and fewer callbacks; most of the other callbacks are supplied
* internally. For situations where fopen()ing by filename is not
* possible (e.g. Unicode filenames on Windows) the client can instead
* open the file itself and supply the FILE* to
* FLAC__stream_decoder_init_FILE(). The init functions now returns a
* FLAC__StreamDecoderInitStatus instead of FLAC__StreamDecoderState.
* Since the callbacks and client data are now passed to the init
* function, the FLAC__stream_decoder_set_*_callback() functions and
* FLAC__stream_decoder_set_client_data() are no longer needed. The
* rest of the calls to the decoder are the same as before.
*
* There are counterpart init functions for Ogg FLAC, e.g.
* FLAC__stream_decoder_init_ogg_stream(). All the rest of the calls
* and callbacks are the same as for native FLAC.
*
* As an example, in FLAC 1.1.2 a seekable stream decoder would have
* been set up like so:
*
* \code
* FLAC__SeekableStreamDecoder *decoder = FLAC__seekable_stream_decoder_new();
* if(decoder == NULL) do_something;
* FLAC__seekable_stream_decoder_set_md5_checking(decoder, true);
* [... other settings ...]
* FLAC__seekable_stream_decoder_set_read_callback(decoder, my_read_callback);
* FLAC__seekable_stream_decoder_set_seek_callback(decoder, my_seek_callback);
* FLAC__seekable_stream_decoder_set_tell_callback(decoder, my_tell_callback);
* FLAC__seekable_stream_decoder_set_length_callback(decoder, my_length_callback);
* FLAC__seekable_stream_decoder_set_eof_callback(decoder, my_eof_callback);
* FLAC__seekable_stream_decoder_set_write_callback(decoder, my_write_callback);
* FLAC__seekable_stream_decoder_set_metadata_callback(decoder, my_metadata_callback);
* FLAC__seekable_stream_decoder_set_error_callback(decoder, my_error_callback);
* FLAC__seekable_stream_decoder_set_client_data(decoder, my_client_data);
* if(FLAC__seekable_stream_decoder_init(decoder) != FLAC__SEEKABLE_STREAM_DECODER_OK) do_something;
* \endcode
*
* In FLAC 1.1.3 it is like this:
*
* \code
* FLAC__StreamDecoder *decoder = FLAC__stream_decoder_new();
* if(decoder == NULL) do_something;
* FLAC__stream_decoder_set_md5_checking(decoder, true);
* [... other settings ...]
* if(FLAC__stream_decoder_init_stream(
* decoder,
* my_read_callback,
* my_seek_callback, // or NULL
* my_tell_callback, // or NULL
* my_length_callback, // or NULL
* my_eof_callback, // or NULL
* my_write_callback,
* my_metadata_callback, // or NULL
* my_error_callback,
* my_client_data
* ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
* \endcode
*
* or you could do;
*
* \code
* [...]
* FILE *file = fopen("somefile.flac","rb");
* if(file == NULL) do_somthing;
* if(FLAC__stream_decoder_init_FILE(
* decoder,
* file,
* my_write_callback,
* my_metadata_callback, // or NULL
* my_error_callback,
* my_client_data
* ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
* \endcode
*
* or just:
*
* \code
* [...]
* if(FLAC__stream_decoder_init_file(
* decoder,
* "somefile.flac",
* my_write_callback,
* my_metadata_callback, // or NULL
* my_error_callback,
* my_client_data
* ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
* \endcode
*
* Another small change to the decoder is in how it handles unparseable
* streams. Before, when the decoder found an unparseable stream
* (reserved for when the decoder encounters a stream from a future
* encoder that it can't parse), it changed the state to
* \c FLAC__STREAM_DECODER_UNPARSEABLE_STREAM. Now the decoder instead
* drops sync and calls the error callback with a new error code
* \c FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM. This is
* more robust. If your error callback does not discriminate on the the
* error state, your code does not need to be changed.
*
* The encoder now has a new setting:
* FLAC__stream_encoder_set_apodization(). This is for setting the
* method used to window the data before LPC analysis. You only need to
* add a call to this function if the default is not suitable. There
* are also two new convenience functions that may be useful:
* FLAC__metadata_object_cuesheet_calculate_cddb_id() and
* FLAC__metadata_get_cuesheet().
*
* The \a bytes parameter to FLAC__StreamDecoderReadCallback,
* FLAC__StreamEncoderReadCallback, and FLAC__StreamEncoderWriteCallback
* is now \c size_t instead of \c unsigned.
*/
/** \defgroup porting_1_1_3_to_1_1_4 Porting from FLAC 1.1.3 to 1.1.4
* \ingroup porting
*
* \brief
* This module describes porting from FLAC 1.1.3 to FLAC 1.1.4.
*
* There were no changes to any of the interfaces from 1.1.3 to 1.1.4.
* There was a slight change in the implementation of
* FLAC__stream_encoder_set_metadata(); the function now makes a copy
* of the \a metadata array of pointers so the client no longer needs
* to maintain it after the call. The objects themselves that are
* pointed to by the array are still not copied though and must be
* maintained until the call to FLAC__stream_encoder_finish().
*/
/** \defgroup porting_1_1_4_to_1_2_0 Porting from FLAC 1.1.4 to 1.2.0
* \ingroup porting
*
* \brief
* This module describes porting from FLAC 1.1.4 to FLAC 1.2.0.
*
* There were only very minor changes to the interfaces from 1.1.4 to 1.2.0.
* In libFLAC, \c FLAC__format_sample_rate_is_subset() was added.
* In libFLAC++, \c FLAC::Decoder::Stream::get_decode_position() was added.
*
* Finally, value of the constant \c FLAC__FRAME_HEADER_RESERVED_LEN
* has changed to reflect the conversion of one of the reserved bits
* into active use. It used to be \c 2 and now is \c 1. However the
* FLAC frame header length has not changed, so to skip the proper
* number of bits, use \c FLAC__FRAME_HEADER_RESERVED_LEN +
* \c FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN
*/
/** \defgroup flac FLAC C API
*
* The FLAC C API is the interface to libFLAC, a set of structures
* describing the components of FLAC streams, and functions for
* encoding and decoding streams, as well as manipulating FLAC
* metadata in files.
*
* You should start with the format components as all other modules
* are dependent on it.
*/
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001-2009 Josh Coalson
* Copyright (C) 2011-2013 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__ASSERT_H
#define FLAC__ASSERT_H
/* we need this since some compilers (like MSVC) leave assert()s on release code (and we don't want to use their ASSERT) */
#ifdef DEBUG
#include <assert.h>
#define FLAC__ASSERT(x) assert(x)
#define FLAC__ASSERT_DECLARATION(x) x
#else
#define FLAC__ASSERT(x)
#define FLAC__ASSERT_DECLARATION(x)
#endif
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2004-2009 Josh Coalson
* Copyright (C) 2011-2013 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__CALLBACK_H
#define FLAC__CALLBACK_H
#include "ordinals.h"
#include <stdlib.h> /* for size_t */
/** \file include/FLAC/callback.h
*
* \brief
* This module defines the structures for describing I/O callbacks
* to the other FLAC interfaces.
*
* See the detailed documentation for callbacks in the
* \link flac_callbacks callbacks \endlink module.
*/
/** \defgroup flac_callbacks FLAC/callback.h: I/O callback structures
* \ingroup flac
*
* \brief
* This module defines the structures for describing I/O callbacks
* to the other FLAC interfaces.
*
* The purpose of the I/O callback functions is to create a common way
* for the metadata interfaces to handle I/O.
*
* Originally the metadata interfaces required filenames as the way of
* specifying FLAC files to operate on. This is problematic in some
* environments so there is an additional option to specify a set of
* callbacks for doing I/O on the FLAC file, instead of the filename.
*
* In addition to the callbacks, a FLAC__IOHandle type is defined as an
* opaque structure for a data source.
*
* The callback function prototypes are similar (but not identical) to the
* stdio functions fread, fwrite, fseek, ftell, feof, and fclose. If you use
* stdio streams to implement the callbacks, you can pass fread, fwrite, and
* fclose anywhere a FLAC__IOCallback_Read, FLAC__IOCallback_Write, or
* FLAC__IOCallback_Close is required, and a FILE* anywhere a FLAC__IOHandle
* is required. \warning You generally CANNOT directly use fseek or ftell
* for FLAC__IOCallback_Seek or FLAC__IOCallback_Tell since on most systems
* these use 32-bit offsets and FLAC requires 64-bit offsets to deal with
* large files. You will have to find an equivalent function (e.g. ftello),
* or write a wrapper. The same is true for feof() since this is usually
* implemented as a macro, not as a function whose address can be taken.
*
* \{
*/
#ifdef __cplusplus
extern "C" {
#endif
/** This is the opaque handle type used by the callbacks. Typically
* this is a \c FILE* or address of a file descriptor.
*/
typedef void* FLAC__IOHandle;
/** Signature for the read callback.
* The signature and semantics match POSIX fread() implementations
* and can generally be used interchangeably.
*
* \param ptr The address of the read buffer.
* \param size The size of the records to be read.
* \param nmemb The number of records to be read.
* \param handle The handle to the data source.
* \retval size_t
* The number of records read.
*/
typedef size_t (*FLAC__IOCallback_Read) (void *ptr, size_t size, size_t nmemb, FLAC__IOHandle handle);
/** Signature for the write callback.
* The signature and semantics match POSIX fwrite() implementations
* and can generally be used interchangeably.
*
* \param ptr The address of the write buffer.
* \param size The size of the records to be written.
* \param nmemb The number of records to be written.
* \param handle The handle to the data source.
* \retval size_t
* The number of records written.
*/
typedef size_t (*FLAC__IOCallback_Write) (const void *ptr, size_t size, size_t nmemb, FLAC__IOHandle handle);
/** Signature for the seek callback.
* The signature and semantics mostly match POSIX fseek() WITH ONE IMPORTANT
* EXCEPTION: the offset is a 64-bit type whereas fseek() is generally 'long'
* and 32-bits wide.
*
* \param handle The handle to the data source.
* \param offset The new position, relative to \a whence
* \param whence \c SEEK_SET, \c SEEK_CUR, or \c SEEK_END
* \retval int
* \c 0 on success, \c -1 on error.
*/
typedef int (*FLAC__IOCallback_Seek) (FLAC__IOHandle handle, FLAC__int64 offset, int whence);
/** Signature for the tell callback.
* The signature and semantics mostly match POSIX ftell() WITH ONE IMPORTANT
* EXCEPTION: the offset is a 64-bit type whereas ftell() is generally 'long'
* and 32-bits wide.
*
* \param handle The handle to the data source.
* \retval FLAC__int64
* The current position on success, \c -1 on error.
*/
typedef FLAC__int64 (*FLAC__IOCallback_Tell) (FLAC__IOHandle handle);
/** Signature for the EOF callback.
* The signature and semantics mostly match POSIX feof() but WATCHOUT:
* on many systems, feof() is a macro, so in this case a wrapper function
* must be provided instead.
*
* \param handle The handle to the data source.
* \retval int
* \c 0 if not at end of file, nonzero if at end of file.
*/
typedef int (*FLAC__IOCallback_Eof) (FLAC__IOHandle handle);
/** Signature for the close callback.
* The signature and semantics match POSIX fclose() implementations
* and can generally be used interchangeably.
*
* \param handle The handle to the data source.
* \retval int
* \c 0 on success, \c EOF on error.
*/
typedef int (*FLAC__IOCallback_Close) (FLAC__IOHandle handle);
/** A structure for holding a set of callbacks.
* Each FLAC interface that requires a FLAC__IOCallbacks structure will
* describe which of the callbacks are required. The ones that are not
* required may be set to NULL.
*
* If the seek requirement for an interface is optional, you can signify that
* a data sorce is not seekable by setting the \a seek field to \c NULL.
*/
typedef struct {
FLAC__IOCallback_Read read;
FLAC__IOCallback_Write write;
FLAC__IOCallback_Seek seek;
FLAC__IOCallback_Tell tell;
FLAC__IOCallback_Eof eof;
FLAC__IOCallback_Close close;
} FLAC__IOCallbacks;
/* \} */
#ifdef __cplusplus
}
#endif
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2013 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__EXPORT_H
#define FLAC__EXPORT_H
/** \file include/FLAC/export.h
*
* \brief
* This module contains #defines and symbols for exporting function
* calls, and providing version information and compiled-in features.
*
* See the \link flac_export export \endlink module.
*/
/** \defgroup flac_export FLAC/export.h: export symbols
* \ingroup flac
*
* \brief
* This module contains #defines and symbols for exporting function
* calls, and providing version information and compiled-in features.
*
* If you are compiling with MSVC and will link to the static library
* (libFLAC.lib) you should define FLAC__NO_DLL in your project to
* make sure the symbols are exported properly.
*
* \{
*/
#if defined(FLAC__NO_DLL)
#define FLAC_API
#elif defined(_MSC_VER)
#ifdef FLAC_API_EXPORTS
#define FLAC_API _declspec(dllexport)
#else
#define FLAC_API _declspec(dllimport)
#endif
#elif defined(FLAC__USE_VISIBILITY_ATTR)
#define FLAC_API __attribute__ ((visibility ("default")))
#else
#define FLAC_API
#endif
/** These #defines will mirror the libtool-based library version number, see
* http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning
*/
#define FLAC_API_VERSION_CURRENT 11
#define FLAC_API_VERSION_REVISION 0 /**< see above */
#define FLAC_API_VERSION_AGE 3 /**< see above */
#ifdef __cplusplus
extern "C" {
#endif
/** \c 1 if the library has been compiled with support for Ogg FLAC, else \c 0. */
extern FLAC_API int FLAC_API_SUPPORTS_OGG_FLAC;
#ifdef __cplusplus
}
#endif
/* \} */
#endif

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/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2013 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLAC__ORDINALS_H
#define FLAC__ORDINALS_H
#if defined(_MSC_VER) && _MSC_VER < 1600
/* Microsoft Visual Studio earlier than the 2010 version did not provide
* the 1999 ISO C Standard header file <stdint.h>.
*/
typedef __int8 FLAC__int8;
typedef unsigned __int8 FLAC__uint8;
typedef __int16 FLAC__int16;
typedef __int32 FLAC__int32;
typedef __int64 FLAC__int64;
typedef unsigned __int16 FLAC__uint16;
typedef unsigned __int32 FLAC__uint32;
typedef unsigned __int64 FLAC__uint64;
#else
/* For MSVC 2010 and everything else which provides <stdint.h>. */
#include <stdint.h>
typedef int8_t FLAC__int8;
typedef uint8_t FLAC__uint8;
typedef int16_t FLAC__int16;
typedef int32_t FLAC__int32;
typedef int64_t FLAC__int64;
typedef uint16_t FLAC__uint16;
typedef uint32_t FLAC__uint32;
typedef uint64_t FLAC__uint64;
#endif
typedef int FLAC__bool;
typedef FLAC__uint8 FLAC__byte;
#ifdef true
#undef true
#endif
#ifdef false
#undef false
#endif
#ifndef __cplusplus
#define true 1
#define false 0
#endif
#endif

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4
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@ -33,4 +33,6 @@ External libraries used by SFML
* stb_image and stb_image_write are public domain
* freetype is under the FreeType license or the GPL license
* GLEW is under the modified BSD License, the Mesa 3-D License (MIT License), and the Khronos License (MIT License)
* libogg and libvorbis are under the BSD license
* libogg is under the BSD license
* libvorbis is under the BSD license
* libflac is under the BSD license

14
src/SFML/Audio/CMakeLists.txt
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@ -39,15 +39,19 @@ set(CODECS_SRC
${INCROOT}/SoundFileFactory.hpp
${INCROOT}/SoundFileFactory.inl
${INCROOT}/SoundFileReader.hpp
${SRCROOT}/SoundFileReaderFlac.hpp
${SRCROOT}/SoundFileReaderFlac.cpp
${SRCROOT}/SoundFileReaderOgg.hpp
${SRCROOT}/SoundFileReaderOgg.cpp
${SRCROOT}/SoundFileReaderWav.hpp
${SRCROOT}/SoundFileReaderWav.cpp
${INCROOT}/SoundFileWriter.hpp
${SRCROOT}/SoundFileWriterWav.hpp
${SRCROOT}/SoundFileWriterWav.cpp
${SRCROOT}/SoundFileWriterFlac.hpp
${SRCROOT}/SoundFileWriterFlac.cpp
${SRCROOT}/SoundFileWriterOgg.hpp
${SRCROOT}/SoundFileWriterOgg.cpp
${SRCROOT}/SoundFileWriterWav.hpp
${SRCROOT}/SoundFileWriterWav.cpp
)
source_group("codecs" FILES ${CODECS_SRC})
@ -64,19 +68,23 @@ endif()
if(NOT SFML_OS_ANDROID)
find_package(OpenAL REQUIRED)
find_package(Vorbis REQUIRED)
find_package(FLAC REQUIRED)
else()
find_host_package(OpenAL REQUIRED)
find_host_package(Vorbis REQUIRED)
find_host_package(FLAC REQUIRED)
endif()
include_directories(${OPENAL_INCLUDE_DIR})
include_directories(${VORBIS_INCLUDE_DIRS})
include_directories(${FLAC_INCLUDE_DIR})
add_definitions(-DOV_EXCLUDE_STATIC_CALLBACKS) # avoids warnings in vorbisfile.h
add_definitions(-DFLAC__NO_DLL)
# build the list of external libraries to link
if(SFML_OS_ANDROID)
list(APPEND AUDIO_EXT_LIBS android OpenSLES)
endif()
list(APPEND AUDIO_EXT_LIBS ${OPENAL_LIBRARY} ${VORBIS_LIBRARIES})
list(APPEND AUDIO_EXT_LIBS ${OPENAL_LIBRARY} ${VORBIS_LIBRARIES} ${FLAC_LIBRARY})
# define the sfml-audio target
sfml_add_library(sfml-audio

4
src/SFML/Audio/SoundFileFactory.cpp
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@ -26,6 +26,8 @@
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Audio/SoundFileFactory.hpp>
#include <SFML/Audio/SoundFileReaderFlac.hpp>
#include <SFML/Audio/SoundFileWriterFlac.hpp>
#include <SFML/Audio/SoundFileReaderOgg.hpp>
#include <SFML/Audio/SoundFileWriterOgg.hpp>
#include <SFML/Audio/SoundFileReaderWav.hpp>
@ -42,6 +44,8 @@ namespace
static bool registered = false;
if (!registered)
{
sf::SoundFileFactory::registerReader<sf::priv::SoundFileReaderFlac>();
sf::SoundFileFactory::registerWriter<sf::priv::SoundFileWriterFlac>();
sf::SoundFileFactory::registerReader<sf::priv::SoundFileReaderOgg>();
sf::SoundFileFactory::registerWriter<sf::priv::SoundFileWriterOgg>();
sf::SoundFileFactory::registerReader<sf::priv::SoundFileReaderWav>();

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@ -0,0 +1,322 @@
////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Audio/SoundFileReaderFlac.hpp>
#include <SFML/System/InputStream.hpp>
#include <SFML/System/Err.hpp>
#include <cassert>
namespace
{
FLAC__StreamDecoderReadStatus read(const FLAC__StreamDecoder*, FLAC__byte buffer[], std::size_t* bytes, void* clientData)
{
sf::priv::SoundFileReaderFlac::ClientData* data = static_cast<sf::priv::SoundFileReaderFlac::ClientData*>(clientData);
sf::Int64 count = data->stream->read(buffer, *bytes);
if (count > 0)
{
*bytes = static_cast<std::size_t>(count);
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
}
else if (count == 0)
{
return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
}
else
{
return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
}
}
FLAC__StreamDecoderSeekStatus seek(const FLAC__StreamDecoder*, FLAC__uint64 absoluteByteOffset, void* clientData)
{
sf::priv::SoundFileReaderFlac::ClientData* data = static_cast<sf::priv::SoundFileReaderFlac::ClientData*>(clientData);
sf::Int64 position = data->stream->seek(absoluteByteOffset);
if (position >= 0)
return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
else
return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
}
FLAC__StreamDecoderTellStatus tell(const FLAC__StreamDecoder*, FLAC__uint64* absoluteByteOffset, void* clientData)
{
sf::priv::SoundFileReaderFlac::ClientData* data = static_cast<sf::priv::SoundFileReaderFlac::ClientData*>(clientData);
sf::Int64 position = data->stream->tell();
if (position >= 0)
{
*absoluteByteOffset = position;
return FLAC__STREAM_DECODER_TELL_STATUS_OK;
}
else
{
return FLAC__STREAM_DECODER_TELL_STATUS_ERROR;
}
}
FLAC__StreamDecoderLengthStatus length(const FLAC__StreamDecoder*, FLAC__uint64* streamLength, void* clientData)
{
sf::priv::SoundFileReaderFlac::ClientData* data = static_cast<sf::priv::SoundFileReaderFlac::ClientData*>(clientData);
sf::Int64 count = data->stream->getSize();
if (count >= 0)
{
*streamLength = count;
return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
}
else
{
return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR;
}
}
FLAC__bool eof(const FLAC__StreamDecoder*, void* clientData)
{
sf::priv::SoundFileReaderFlac::ClientData* data = static_cast<sf::priv::SoundFileReaderFlac::ClientData*>(clientData);
return data->stream->tell() == data->stream->getSize();
}
FLAC__StreamDecoderWriteStatus write(const FLAC__StreamDecoder*, const FLAC__Frame* frame, const FLAC__int32* const buffer[], void* clientData)
{
sf::priv::SoundFileReaderFlac::ClientData* data = static_cast<sf::priv::SoundFileReaderFlac::ClientData*>(clientData);
// If there's no output buffer, it means that we are seeking
if (!data->buffer)
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
// Reserve memory if we're going to use the leftovers buffer
unsigned int frameSamples = frame->header.blocksize * frame->header.channels;
if (data->remaining < frameSamples)
data->leftovers.reserve(static_cast<std::size_t>(frameSamples - data->remaining));
// Decode the samples
for (unsigned i = 0; i < frame->header.blocksize; ++i)
{
for (unsigned int j = 0; j < frame->header.channels; ++j)
{
// Decode the current sample
sf::Int16 sample = 0;
switch (frame->header.bits_per_sample)
{
case 8:
sample = buffer[j][i] << 8;
break;
case 16:
sample = buffer[j][i];
break;
case 24:
sample = buffer[j][i] >> 8;
break;
case 32:
sample = buffer[j][i] >> 16;
break;
default:
assert(false);
break;
}
if (data->remaining > 0)
{
// There's room in the output buffer, copy the sample there
*data->buffer++ = sample;
data->remaining--;
}
else
{
// We have decoded all the requested samples, put the sample in a temporary buffer until next call
data->leftovers.push_back(sample);
}
}
}
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
}
void metadata(const FLAC__StreamDecoder*, const FLAC__StreamMetadata* meta, void* clientData)
{
sf::priv::SoundFileReaderFlac::ClientData* data = static_cast<sf::priv::SoundFileReaderFlac::ClientData*>(clientData);
if (meta->type == FLAC__METADATA_TYPE_STREAMINFO)
{
data->info.sampleCount = meta->data.stream_info.total_samples * meta->data.stream_info.channels;
data->info.sampleRate = meta->data.stream_info.sample_rate;
data->info.channelCount = meta->data.stream_info.channels;
}
}
void error(const FLAC__StreamDecoder*, FLAC__StreamDecoderErrorStatus status, void* clientData)
{
sf::priv::SoundFileReaderFlac::ClientData* data = static_cast<sf::priv::SoundFileReaderFlac::ClientData*>(clientData);
data->error = true;
}
}
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
bool SoundFileReaderFlac::check(InputStream& stream)
{
// Create a decoder
FLAC__StreamDecoder* decoder = FLAC__stream_decoder_new();
if (!decoder)
return false;
// Initialize the decoder with our callbacks
ClientData data;
data.stream = &stream;
data.error = false;
FLAC__stream_decoder_init_stream(decoder, &::read, &::seek, &::tell, &::length, &::eof, &::write, NULL, &::error, &data);
// Read the header
bool valid = FLAC__stream_decoder_process_until_end_of_metadata(decoder) != 0;
// Destroy the decoder
FLAC__stream_decoder_finish(decoder);
FLAC__stream_decoder_delete(decoder);
return valid && !data.error;
}
////////////////////////////////////////////////////////////
SoundFileReaderFlac::SoundFileReaderFlac() :
m_decoder(NULL)
{
}
////////////////////////////////////////////////////////////
SoundFileReaderFlac::~SoundFileReaderFlac()
{
close();
}
////////////////////////////////////////////////////////////
bool SoundFileReaderFlac::open(InputStream& stream, Info& info)
{
// Create the decoder
m_decoder = FLAC__stream_decoder_new();
if (!m_decoder)
{
err() << "Failed to open FLAC file (failed to allocate the decoder)" << std::endl;
return false;
}
// Initialize the decoder with our callbacks
m_clientData.stream = &stream;
FLAC__stream_decoder_init_stream(m_decoder, &::read, &::seek, &::tell, &::length, &::eof, &::write, &::metadata, &::error, &m_clientData);
// Read the header
if (!FLAC__stream_decoder_process_until_end_of_metadata(m_decoder))
{
close();
err() << "Failed to open FLAC file (failed to read metadata)" << std::endl;
return false;
}
// Retrieve the sound properties
info = m_clientData.info; // was filled in the "metadata" callback
return true;
}
////////////////////////////////////////////////////////////
void SoundFileReaderFlac::seek(Uint64 sampleOffset)
{
assert(m_decoder);
// Reset the callback data (the "write" callback will be called)
m_clientData.buffer = NULL;
m_clientData.remaining = 0;
m_clientData.leftovers.clear();
FLAC__stream_decoder_seek_absolute(m_decoder, sampleOffset);
}
////////////////////////////////////////////////////////////
Uint64 SoundFileReaderFlac::read(Int16* samples, Uint64 maxCount)
{
assert(m_decoder);
// If there are leftovers from previous call, use it first
Uint64 left = m_clientData.leftovers.size();
if (left > 0)
{
if (left > maxCount)
{
// There are more leftovers than needed
std::copy(m_clientData.leftovers.begin(), m_clientData.leftovers.end(), samples);
std::vector<Int16> leftovers(m_clientData.leftovers.begin() + maxCount, m_clientData.leftovers.end());
m_clientData.leftovers.swap(leftovers);
return maxCount;
}
else
{
// We can use all the leftovers and decode new frames
std::copy(m_clientData.leftovers.begin(), m_clientData.leftovers.end(), samples);
}
}
// Reset the data that will be used in the callback
m_clientData.buffer = samples + left;
m_clientData.remaining = maxCount - left;
m_clientData.leftovers.clear();
// Decode frames one by one until we reach the requested sample count, the end of file or an error
while (m_clientData.remaining > 0)
{
// Everything happens in the "write" callback
if (!FLAC__stream_decoder_process_single(m_decoder))
break;
}
return maxCount - m_clientData.remaining;
}
////////////////////////////////////////////////////////////
void SoundFileReaderFlac::close()
{
if (m_decoder)
{
FLAC__stream_decoder_finish(m_decoder);
FLAC__stream_decoder_delete(m_decoder);
m_decoder = NULL;
}
}
} // namespace priv
} // namespace sf

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@ -0,0 +1,140 @@
////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_SOUNDFILEREADERFLAC_HPP
#define SFML_SOUNDFILEREADERFLAC_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Audio/SoundFileReader.hpp>
#include <flac/stream_decoder.h>
#include <string>
#include <vector>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Implementation of sound file reader that handles FLAC files
///
////////////////////////////////////////////////////////////
class SoundFileReaderFlac : public SoundFileReader
{
public:
////////////////////////////////////////////////////////////
/// \brief Check if this reader can handle a file given by an input stream
///
/// \param stream Source stream to check
///
/// \return True if the file is supported by this reader
///
////////////////////////////////////////////////////////////
static bool check(InputStream& stream);
public :
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
////////////////////////////////////////////////////////////
SoundFileReaderFlac();
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
////////////////////////////////////////////////////////////
~SoundFileReaderFlac();
////////////////////////////////////////////////////////////
/// \brief Open a sound file for reading
///
/// \param stream Stream to open
/// \param info Structure to fill with the attributes of the loaded sound
///
////////////////////////////////////////////////////////////
virtual bool open(sf::InputStream& stream, Info& info);
////////////////////////////////////////////////////////////
/// \brief Change the current read position to the given sample offset
///
/// If the given offset exceeds to total number of samples,
/// this function must jump to the end of the file.
///
/// \param sampleOffset Index of the sample to jump to, relative to the beginning
///
////////////////////////////////////////////////////////////
virtual void seek(Uint64 sampleOffset);
////////////////////////////////////////////////////////////
/// \brief Read audio samples from the open file
///
/// \param samples Pointer to the sample array to fill
/// \param maxCount Maximum number of samples to read
///
/// \return Number of samples actually read (may be less than \a maxCount)
///
////////////////////////////////////////////////////////////
virtual Uint64 read(Int16* samples, Uint64 maxCount);
public:
////////////////////////////////////////////////////////////
/// \brief Hold the state that is passed to the decoder callbacks
///
////////////////////////////////////////////////////////////
struct ClientData
{
InputStream* stream;
SoundFileReader::Info info;
Int16* buffer;
Uint64 remaining;
std::vector<Int16> leftovers;
bool error;
};
private:
////////////////////////////////////////////////////////////
/// \brief Close the open FLAC file
///
////////////////////////////////////////////////////////////
void close();
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
FLAC__StreamDecoder* m_decoder; ///< FLAC decoder
ClientData m_clientData; ///< Structure passed to the decoder callbacks
};
} // namespace priv
} // namespace sf
#endif // SFML_SOUNDFILEREADERFLAC_HPP

2
src/SFML/Audio/SoundFileReaderOgg.hpp
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@ -37,7 +37,7 @@ namespace sf
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Implementation of sound file reader that handles ogg/vorbis files
/// \brief Implementation of sound file reader that handles OGG/Vorbis files
///
////////////////////////////////////////////////////////////
class SoundFileReaderOgg : public SoundFileReader

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@ -0,0 +1,133 @@
////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Audio/SoundFileWriterFlac.hpp>
#include <SFML/System/Err.hpp>
#include <algorithm>
#include <cctype>
#include <cassert>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
bool SoundFileWriterFlac::check(const std::string& filename)
{
std::string extension = filename.substr(filename.find_last_of(".") + 1);
std::transform(extension.begin(), extension.end(), extension.begin(), ::tolower);
return extension == "flac";
}
////////////////////////////////////////////////////////////
SoundFileWriterFlac::SoundFileWriterFlac() :
m_encoder (NULL),
m_channelCount(0),
m_samples32 ()
{
}
////////////////////////////////////////////////////////////
SoundFileWriterFlac::~SoundFileWriterFlac()
{
close();
}
////////////////////////////////////////////////////////////
bool SoundFileWriterFlac::open(const std::string& filename, unsigned int sampleRate, unsigned int channelCount)
{
// Create the encoder
m_encoder = FLAC__stream_encoder_new();
if (!m_encoder)
{
err() << "Failed to write flac file \"" << filename << "\" (failed to allocate encoder)" << std::endl;
return false;
}
// Setup the encoder
FLAC__stream_encoder_set_channels(m_encoder, channelCount);
FLAC__stream_encoder_set_bits_per_sample(m_encoder, 16);
FLAC__stream_encoder_set_sample_rate(m_encoder, sampleRate);
// Initialize the output stream
if (FLAC__stream_encoder_init_file(m_encoder, filename.c_str(), NULL, NULL) != FLAC__STREAM_ENCODER_INIT_STATUS_OK)
{
err() << "Failed to write flac file \"" << filename << "\" (failed to open the file)" << std::endl;
close();
return false;
}
// Store the channel count
m_channelCount = channelCount;
return true;
}
////////////////////////////////////////////////////////////
void SoundFileWriterFlac::write(const Int16* samples, Uint64 count)
{
while (count > 0)
{
// Make sure that we don't process too many samples at once
unsigned int frames = std::min(static_cast<unsigned int>(count / m_channelCount), 10000u);
// Convert the samples to 32-bits
m_samples32.assign(samples, samples + frames * m_channelCount);
// Write them to the FLAC stream
FLAC__stream_encoder_process_interleaved(m_encoder, &m_samples32[0], frames);
// Next chunk
count -= m_samples32.size();
samples += m_samples32.size();
}
}
////////////////////////////////////////////////////////////
void SoundFileWriterFlac::close()
{
if (m_encoder)
{
// Close the output stream
FLAC__stream_encoder_finish(m_encoder);
// Destroy the encoder
FLAC__stream_encoder_delete(m_encoder);
m_encoder = NULL;
}
}
} // namespace priv
} // namespace sf

114
src/SFML/Audio/SoundFileWriterFlac.hpp Normal file
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@ -0,0 +1,114 @@
////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_SOUNDFILEWRITERFLAC_HPP
#define SFML_SOUNDFILEWRITERFLAC_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Audio/SoundFileWriter.hpp>
#include <flac/stream_encoder.h>
#include <vector>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Implementation of sound file writer that handles FLAC files
///
////////////////////////////////////////////////////////////
class SoundFileWriterFlac : public SoundFileWriter
{
public:
////////////////////////////////////////////////////////////
/// \brief Check if this writer can handle a file on disk
///
/// \param filename Path of the sound file to check
///
/// \return True if the file can be written by this writer
///
////////////////////////////////////////////////////////////
static bool check(const std::string& filename);
public :
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
////////////////////////////////////////////////////////////
SoundFileWriterFlac();
////////////////////////////////////////////////////////////
/// \brief Destructor
///
////////////////////////////////////////////////////////////
~SoundFileWriterFlac();
////////////////////////////////////////////////////////////
/// \brief Open a sound file for writing
///
/// \param filename Path of the file to open
/// \param sampleRate Sample rate of the sound
/// \param channelCount Number of channels of the sound
///
/// \return True if the file was successfully opened
///
////////////////////////////////////////////////////////////
virtual bool open(const std::string& filename, unsigned int sampleRate, unsigned int channelCount);
////////////////////////////////////////////////////////////
/// \brief Write audio samples to the open file
///
/// \param samples Pointer to the sample array to write
/// \param count Number of samples to write
///
////////////////////////////////////////////////////////////
virtual void write(const Int16* samples, Uint64 count);
private:
////////////////////////////////////////////////////////////
/// \brief Close the file
///
////////////////////////////////////////////////////////////
void close();
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
FLAC__StreamEncoder* m_encoder; ///< FLAC stream encoder
unsigned int m_channelCount; ///< Number of channels
std::vector<Int32> m_samples32; ///< Conversion buffer
};
} // namespace priv
} // namespace sf
#endif // SFML_SOUNDFILEWRITERFLAC_HPP

2
src/SFML/Audio/SoundFileWriterOgg.hpp
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@ -38,7 +38,7 @@ namespace sf
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Implementation of sound file writer that handles ogg files
/// \brief Implementation of sound file writer that handles OGG/Vorbis files
///
////////////////////////////////////////////////////////////
class SoundFileWriterOgg : public SoundFileWriter