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inputPlugins/flac_plugin: switch to the new (1.1.3) API 

We will restore compatibility with the old API in the
next few commits; along with OggFLAC support.

git-svn-id: https://svn.musicpd.org/mpd/trunk@5110 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Eric Wong 2006-12-04 04:45:44 +00:00
parent 5048388251
commit ccf971a320
2 changed files with 77 additions and 113 deletions
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22
m4/libFLAC.m4
View File

@ -2,7 +2,7 @@
# "Inspired" by ogg.m4 # "Inspired" by ogg.m4
dnl AM_PATH_LIBFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) dnl AM_PATH_LIBFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libFLAC, and define LIBFLAC_CFLAGS and LIBFLAC_LIBS dnl Test for libFLAC, and define LIBFLAC_CFLAGS, LIBFLAC_LIBS, LIBFLAC_LIBDIR
dnl dnl
AC_DEFUN([AM_PATH_LIBFLAC], AC_DEFUN([AM_PATH_LIBFLAC],
[dnl [dnl
@ -14,21 +14,21 @@ AC_ARG_WITH(libFLAC-includes,[ --with-libFLAC-includes=DIR Directory where li
AC_ARG_ENABLE(libFLACtest, [ --disable-libFLACtest Do not try to compile and run a test libFLAC program],, enable_libFLACtest=yes) AC_ARG_ENABLE(libFLACtest, [ --disable-libFLACtest Do not try to compile and run a test libFLAC program],, enable_libFLACtest=yes)
if test "x$libFLAC_libraries" != "x" ; then if test "x$libFLAC_libraries" != "x" ; then
LIBFLAC_LIBS="-L$libFLAC_libraries" LIBFLAC_LIBDIR="$libFLAC_libraries"
elif test "x$libFLAC_prefix" != "x" ; then elif test "x$libFLAC_prefix" != "x" ; then
LIBFLAC_LIBS="-L$libFLAC_prefix/lib" LIBFLAC_LIBDIR="$libFLAC_prefix/lib"
elif test "x$prefix" != "xNONE" ; then elif test "x$prefix" != "xNONE" ; then
LIBFLAC_LIBS="-L$prefix/lib" LIBFLAC_LIBDIR="$libdir"
fi fi
LIBFLAC_LIBS="$LIBFLAC_LIBS -lFLAC -lm" LIBFLAC_LIBS="-L$LIBFLAC_LIBDIR -lFLAC $OGG_LIBS -lm"
if test "x$libFLAC_includes" != "x" ; then if test "x$libFLAC_includes" != "x" ; then
LIBFLAC_CFLAGS="-I$libFLAC_includes" LIBFLAC_CFLAGS="-I$libFLAC_includes"
elif test "x$libFLAC_prefix" != "x" ; then elif test "x$libFLAC_prefix" != "x" ; then
LIBFLAC_CFLAGS="-I$libFLAC_prefix/include" LIBFLAC_CFLAGS="-I$libFLAC_prefix/include"
elif test "x$prefix" != "xNONE"; then elif test "x$prefix" != "xNONE"; then
LIBFLAC_CFLAGS="-I$prefix/include" LIBFLAC_CFLAGS=""
fi fi
AC_MSG_CHECKING(for libFLAC) AC_MSG_CHECKING(for libFLAC)
@ -39,9 +39,11 @@ AC_ARG_ENABLE(libFLACtest, [ --disable-libFLACtest Do not try to compile
ac_save_CFLAGS="$CFLAGS" ac_save_CFLAGS="$CFLAGS"
ac_save_CXXFLAGS="$CXXFLAGS" ac_save_CXXFLAGS="$CXXFLAGS"
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
ac_save_LDPATH="$LD_LIBRARY_PATH"
CFLAGS="$CFLAGS $LIBFLAC_CFLAGS" CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS" CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
LIBS="$LIBS $LIBFLAC_LIBS" LIBS="$LIBS $LIBFLAC_LIBS"
LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
dnl dnl
dnl Now check if the installed libFLAC is sufficiently new. dnl Now check if the installed libFLAC is sufficiently new.
dnl dnl
@ -60,7 +62,9 @@ int main ()
],, no_libFLAC=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) ],, no_libFLAC=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS" CFLAGS="$ac_save_CFLAGS"
CXXFLAGS="$ac_save_CXXFLAGS"
LIBS="$ac_save_LIBS" LIBS="$ac_save_LIBS"
LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
fi fi
if test "x$no_libFLAC" = "x" ; then if test "x$no_libFLAC" = "x" ; then
@ -73,7 +77,9 @@ int main ()
else else
echo "*** Could not run libFLAC test program, checking why..." echo "*** Could not run libFLAC test program, checking why..."
CFLAGS="$CFLAGS $LIBFLAC_CFLAGS" CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
LIBS="$LIBS $LIBFLAC_LIBS" LIBS="$LIBS $LIBFLAC_LIBS"
LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
AC_TRY_LINK([ AC_TRY_LINK([
#include <stdio.h> #include <stdio.h>
#include <FLAC/format.h> #include <FLAC/format.h>
@ -92,13 +98,17 @@ int main ()
echo "*** or that you have moved libFLAC since it was installed. In the latter case, you" echo "*** or that you have moved libFLAC since it was installed. In the latter case, you"
echo "*** may want to edit the libFLAC-config script: $LIBFLAC_CONFIG" ]) echo "*** may want to edit the libFLAC-config script: $LIBFLAC_CONFIG" ])
CFLAGS="$ac_save_CFLAGS" CFLAGS="$ac_save_CFLAGS"
CXXFLAGS="$ac_save_CXXFLAGS"
LIBS="$ac_save_LIBS" LIBS="$ac_save_LIBS"
LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
fi fi
LIBFLAC_CFLAGS="" LIBFLAC_CFLAGS=""
LIBFLAC_LIBDIR=""
LIBFLAC_LIBS="" LIBFLAC_LIBS=""
ifelse([$2], , :, [$2]) ifelse([$2], , :, [$2])
fi fi
AC_SUBST(LIBFLAC_CFLAGS) AC_SUBST(LIBFLAC_CFLAGS)
AC_SUBST(LIBFLAC_LIBDIR)
AC_SUBST(LIBFLAC_LIBS) AC_SUBST(LIBFLAC_LIBS)
rm -f conf.libFLACtest rm -f conf.libFLACtest
]) ])

166
src/inputPlugins/flac_plugin.c
View File

@ -33,13 +33,12 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <FLAC/seekable_stream_decoder.h> #include <FLAC/stream_decoder.h>
#include <FLAC/metadata.h> #include <FLAC/metadata.h>
/* this code is based on flac123, from flac-tools */ /* this code is based on flac123, from flac-tools */
static FLAC__SeekableStreamDecoderReadStatus flacRead(const static FLAC__StreamDecoderReadStatus flacRead(const FLAC__StreamDecoder
FLAC__SeekableStreamDecoder
* flacDec, * flacDec,
FLAC__byte buf[], FLAC__byte buf[],
unsigned *bytes, unsigned *bytes,
@ -58,14 +57,16 @@ static FLAC__SeekableStreamDecoderReadStatus flacRead(const
} }
*bytes = r; *bytes = r;
if (*bytes == 0 && !inputStreamAtEOF(data->inStream) && !data->dc->stop) if (r == 0 && !data->dc->stop) {
return FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR; if (inputStreamAtEOF(data->inStream))
return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
return FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK; else
return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
}
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
} }
static FLAC__SeekableStreamDecoderSeekStatus flacSeek(const static FLAC__StreamDecoderSeekStatus flacSeek(const FLAC__StreamDecoder
FLAC__SeekableStreamDecoder
* flacDec, * flacDec,
FLAC__uint64 offset, FLAC__uint64 offset,
void *fdata) void *fdata)
@ -73,14 +74,13 @@ static FLAC__SeekableStreamDecoderSeekStatus flacSeek(const
FlacData *data = (FlacData *) fdata; FlacData *data = (FlacData *) fdata;
if (seekInputStream(data->inStream, offset, SEEK_SET) < 0) { if (seekInputStream(data->inStream, offset, SEEK_SET) < 0) {
return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR; return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
} }
return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK; return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
} }
static FLAC__SeekableStreamDecoderTellStatus flacTell(const static FLAC__StreamDecoderTellStatus flacTell(const FLAC__StreamDecoder
FLAC__SeekableStreamDecoder
* flacDec, * flacDec,
FLAC__uint64 * offset, FLAC__uint64 * offset,
void *fdata) void *fdata)
@ -89,11 +89,10 @@ static FLAC__SeekableStreamDecoderTellStatus flacTell(const
*offset = (long)(data->inStream->offset); *offset = (long)(data->inStream->offset);
return FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK; return FLAC__STREAM_DECODER_TELL_STATUS_OK;
} }
static FLAC__SeekableStreamDecoderLengthStatus flacLength(const static FLAC__StreamDecoderLengthStatus flacLength(const FLAC__StreamDecoder
FLAC__SeekableStreamDecoder
* flacDec, * flacDec,
FLAC__uint64 * length, FLAC__uint64 * length,
void *fdata) void *fdata)
@ -102,11 +101,10 @@ static FLAC__SeekableStreamDecoderLengthStatus flacLength(const
*length = (size_t) (data->inStream->size); *length = (size_t) (data->inStream->size);
return FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK; return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
} }
static FLAC__bool flacEOF(const FLAC__SeekableStreamDecoder * flacDec, static FLAC__bool flacEOF(const FLAC__StreamDecoder * flacDec, void *fdata)
void *fdata)
{ {
FlacData *data = (FlacData *) fdata; FlacData *data = (FlacData *) fdata;
@ -115,51 +113,48 @@ static FLAC__bool flacEOF(const FLAC__SeekableStreamDecoder * flacDec,
return false; return false;
} }
static void flacError(const FLAC__SeekableStreamDecoder * dec, static void flacError(const FLAC__StreamDecoder * dec,
FLAC__StreamDecoderErrorStatus status, void *fdata) FLAC__StreamDecoderErrorStatus status, void *fdata)
{ {
flac_error_common_cb("flac", status, (FlacData *) fdata); flac_error_common_cb("flac", status, (FlacData *) fdata);
} }
static void flacPrintErroredState(FLAC__SeekableStreamDecoderState state) static void flacPrintErroredState(FLAC__StreamDecoderState state)
{ {
const char *str = ""; /* "" to silence compiler warning */
switch (state) { switch (state) {
case FLAC__SEEKABLE_STREAM_DECODER_MEMORY_ALLOCATION_ERROR: case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA:
ERROR("flac allocation error\n"); case FLAC__STREAM_DECODER_READ_METADATA:
case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC:
case FLAC__STREAM_DECODER_READ_FRAME:
case FLAC__STREAM_DECODER_END_OF_STREAM:
return;
case FLAC__STREAM_DECODER_OGG_ERROR:
str = "error in the Ogg layer";
break; break;
case FLAC__SEEKABLE_STREAM_DECODER_READ_ERROR: case FLAC__STREAM_DECODER_SEEK_ERROR:
ERROR("flac read error\n"); str = "seek error";
break; break;
case FLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR: case FLAC__STREAM_DECODER_ABORTED:
ERROR("flac seek error\n"); str = "decoder aborted by read";
break; break;
case FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR: case FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR:
ERROR("flac seekable stream error\n"); str = "allocation error";
break; break;
case FLAC__SEEKABLE_STREAM_DECODER_ALREADY_INITIALIZED: case FLAC__STREAM_DECODER_UNINITIALIZED:
ERROR("flac decoder already initialized\n"); str = "decoder uninitialized";
break;
case FLAC__SEEKABLE_STREAM_DECODER_INVALID_CALLBACK:
ERROR("invalid flac callback\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED:
ERROR("flac decoder uninitialized\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_OK:
case FLAC__SEEKABLE_STREAM_DECODER_SEEKING:
case FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM:
break; break;
} }
ERROR("flac %s\n", str);
} }
static void flacMetadata(const FLAC__SeekableStreamDecoder * dec, static void flacMetadata(const FLAC__StreamDecoder * dec,
const FLAC__StreamMetadata * block, void *vdata) const FLAC__StreamMetadata * block, void *vdata)
{ {
flac_metadata_common_cb(block, (FlacData *) vdata); flac_metadata_common_cb(block, (FlacData *) vdata);
} }
static FLAC__StreamDecoderWriteStatus flacWrite(const static FLAC__StreamDecoderWriteStatus flacWrite(const FLAC__StreamDecoder *
FLAC__SeekableStreamDecoder *
dec, const FLAC__Frame * frame, dec, const FLAC__Frame * frame,
const FLAC__int32 * const buf[], const FLAC__int32 * const buf[],
void *vdata) void *vdata)
@ -176,7 +171,7 @@ static FLAC__StreamDecoderWriteStatus flacWrite(const
timeChange = ((float)samples) / frame->header.sample_rate; timeChange = ((float)samples) / frame->header.sample_rate;
data->time += timeChange; data->time += timeChange;
FLAC__seekable_stream_decoder_get_decode_position(dec, &newPosition); FLAC__stream_decoder_get_decode_position(dec, &newPosition);
if (data->position) { if (data->position) {
data->bitRate = data->bitRate =
((newPosition - data->position) * 8.0 / timeChange) ((newPosition - data->position) * 8.0 / timeChange)
@ -292,65 +287,27 @@ static MpdTag *flacTagDup(char *file)
static int flac_decode(OutputBuffer * cb, DecoderControl * dc, static int flac_decode(OutputBuffer * cb, DecoderControl * dc,
InputStream * inStream) InputStream * inStream)
{ {
FLAC__SeekableStreamDecoder *flacDec = NULL; FLAC__StreamDecoder *flacDec;
FlacData data; FlacData data;
int status = 1;
int ret = 0; int ret = 0;
if (!(flacDec = FLAC__stream_decoder_new()))
return -1;
init_FlacData(&data, cb, dc, inStream); init_FlacData(&data, cb, dc, inStream);
if (FLAC__stream_decoder_init_stream(flacDec, flacRead, flacSeek,
if (!(flacDec = FLAC__seekable_stream_decoder_new())) { flacTell, flacLength, flacEOF,
ret = -1; flacWrite, flacMetadata,
goto fail; flacError, (void *)&data)
} != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
/*status&=FLAC__file_decoder_set_md5_checking(flacDec,1); */
status &= FLAC__seekable_stream_decoder_set_read_callback(flacDec,
flacRead);
status &= FLAC__seekable_stream_decoder_set_seek_callback(flacDec,
flacSeek);
status &= FLAC__seekable_stream_decoder_set_tell_callback(flacDec,
flacTell);
status &= FLAC__seekable_stream_decoder_set_length_callback(flacDec,
flacLength);
status &=
FLAC__seekable_stream_decoder_set_eof_callback(flacDec, flacEOF);
status &=
FLAC__seekable_stream_decoder_set_write_callback(flacDec,
flacWrite);
status &=
FLAC__seekable_stream_decoder_set_metadata_callback(flacDec,
flacMetadata);
status &=
FLAC__seekable_stream_decoder_set_metadata_respond(flacDec,
FLAC__METADATA_TYPE_VORBIS_COMMENT);
status &=
FLAC__seekable_stream_decoder_set_error_callback(flacDec,
flacError);
status &=
FLAC__seekable_stream_decoder_set_client_data(flacDec,
(void *)&data);
if (!status) {
ERROR("flac problem before init()\n");
flacPrintErroredState(FLAC__seekable_stream_decoder_get_state
(flacDec));
ret = -1;
goto fail;
}
if (FLAC__seekable_stream_decoder_init(flacDec) !=
FLAC__SEEKABLE_STREAM_DECODER_OK) {
ERROR("flac problem doing init()\n"); ERROR("flac problem doing init()\n");
flacPrintErroredState(FLAC__seekable_stream_decoder_get_state flacPrintErroredState(FLAC__stream_decoder_get_state(flacDec));
(flacDec));
ret = -1; ret = -1;
goto fail; goto fail;
} }
if (!FLAC__seekable_stream_decoder_process_until_end_of_metadata if (!FLAC__stream_decoder_process_until_end_of_metadata(flacDec)) {
(flacDec)) {
ERROR("flac problem reading metadata\n"); ERROR("flac problem reading metadata\n");
flacPrintErroredState(FLAC__seekable_stream_decoder_get_state flacPrintErroredState(FLAC__stream_decoder_get_state(flacDec));
(flacDec));
ret = -1; ret = -1;
goto fail; goto fail;
} }
@ -358,16 +315,16 @@ static int flac_decode(OutputBuffer * cb, DecoderControl * dc,
dc->state = DECODE_STATE_DECODE; dc->state = DECODE_STATE_DECODE;
while (1) { while (1) {
FLAC__seekable_stream_decoder_process_single(flacDec); if (!FLAC__stream_decoder_process_single(flacDec))
if (FLAC__seekable_stream_decoder_get_state(flacDec) != break;
FLAC__SEEKABLE_STREAM_DECODER_OK) { if (FLAC__stream_decoder_get_state(flacDec) ==
FLAC__STREAM_DECODER_END_OF_STREAM)
break; break;
}
if (dc->seek) { if (dc->seek) {
FLAC__uint64 sampleToSeek = dc->seekWhere * FLAC__uint64 sampleToSeek = dc->seekWhere *
dc->audioFormat.sampleRate + 0.5; dc->audioFormat.sampleRate + 0.5;
if (FLAC__seekable_stream_decoder_seek_absolute(flacDec, if (FLAC__stream_decoder_seek_absolute(flacDec,
sampleToSeek)) sampleToSeek))
{ {
clearOutputBuffer(cb); clearOutputBuffer(cb);
data.time = ((float)sampleToSeek) / data.time = ((float)sampleToSeek) /
@ -378,12 +335,9 @@ static int flac_decode(OutputBuffer * cb, DecoderControl * dc,
dc->seek = 0; dc->seek = 0;
} }
} }
/* I don't think we need this bit here! -shank */
/*FLAC__file_decoder_process_until_end_of_file(flacDec); */
if (!dc->stop) { if (!dc->stop) {
flacPrintErroredState(FLAC__seekable_stream_decoder_get_state flacPrintErroredState(FLAC__stream_decoder_get_state(flacDec));
(flacDec)); FLAC__stream_decoder_finish(flacDec);
FLAC__seekable_stream_decoder_finish(flacDec);
} }
/* send last little bit */ /* send last little bit */
if (data.chunk_length > 0 && !dc->stop) { if (data.chunk_length > 0 && !dc->stop) {
@ -404,7 +358,7 @@ fail:
freeReplayGainInfo(data.replayGainInfo); freeReplayGainInfo(data.replayGainInfo);
if (flacDec) if (flacDec)
FLAC__seekable_stream_decoder_delete(flacDec); FLAC__stream_decoder_delete(flacDec);
closeInputStream(inStream); closeInputStream(inStream);