/*
* Copyright (C) 2003-2009 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h" /* must be first for large file support */
#include "_flac_common.h"
#include "flac_compat.h"
#include "flac_metadata.h"
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
#include "_ogg_common.h"
#endif
#include <glib.h>
#include <assert.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef HAVE_CUE /* libcue */
#include "../cue/cue_tag.h"
#endif
/* this code was based on flac123, from flac-tools */
static FLAC__StreamDecoderReadStatus
flac_read_cb(G_GNUC_UNUSED const FLAC__StreamDecoder *fd,
FLAC__byte buf[], flac_read_status_size_t *bytes,
void *fdata)
{
struct flac_data *data = fdata;
size_t r;
r = decoder_read(data->decoder, data->input_stream,
(void *)buf, *bytes);
*bytes = r;
if (r == 0) {
if (decoder_get_command(data->decoder) != DECODE_COMMAND_NONE ||
input_stream_eof(data->input_stream))
return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
else
return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
}
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
}
static FLAC__StreamDecoderSeekStatus
flac_seek_cb(G_GNUC_UNUSED const FLAC__StreamDecoder *fd,
FLAC__uint64 offset, void *fdata)
{
struct flac_data *data = (struct flac_data *) fdata;
if (!input_stream_seek(data->input_stream, offset, SEEK_SET))
return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
}
static FLAC__StreamDecoderTellStatus
flac_tell_cb(G_GNUC_UNUSED const FLAC__StreamDecoder *fd,
FLAC__uint64 * offset, void *fdata)
{
struct flac_data *data = (struct flac_data *) fdata;
*offset = (long)(data->input_stream->offset);
return FLAC__STREAM_DECODER_TELL_STATUS_OK;
}
static FLAC__StreamDecoderLengthStatus
flac_length_cb(G_GNUC_UNUSED const FLAC__StreamDecoder *fd,
FLAC__uint64 * length, void *fdata)
{
struct flac_data *data = (struct flac_data *) fdata;
if (data->input_stream->size < 0)
return FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED;
*length = (size_t) (data->input_stream->size);
return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
}
static FLAC__bool
flac_eof_cb(G_GNUC_UNUSED const FLAC__StreamDecoder *fd, void *fdata)
{
struct flac_data *data = (struct flac_data *) fdata;
return (decoder_get_command(data->decoder) != DECODE_COMMAND_NONE &&
decoder_get_command(data->decoder) != DECODE_COMMAND_SEEK) ||
input_stream_eof(data->input_stream);
}
static void
flac_error_cb(G_GNUC_UNUSED const FLAC__StreamDecoder *fd,
FLAC__StreamDecoderErrorStatus status, void *fdata)
{
flac_error_common_cb("flac", status, (struct flac_data *) fdata);
}
#if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7
static void flacPrintErroredState(FLAC__SeekableStreamDecoderState state)
{
const char *str = ""; /* "" to silence compiler warning */
switch (state) {
case FLAC__SEEKABLE_STREAM_DECODER_OK:
case FLAC__SEEKABLE_STREAM_DECODER_SEEKING:
case FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM:
return;
case FLAC__SEEKABLE_STREAM_DECODER_MEMORY_ALLOCATION_ERROR:
str = "allocation error";
break;
case FLAC__SEEKABLE_STREAM_DECODER_READ_ERROR:
str = "read error";
break;
case FLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR:
str = "seek error";
break;
case FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR:
str = "seekable stream error";
break;
case FLAC__SEEKABLE_STREAM_DECODER_ALREADY_INITIALIZED:
str = "decoder already initialized";
break;
case FLAC__SEEKABLE_STREAM_DECODER_INVALID_CALLBACK:
str = "invalid callback";
break;
case FLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED:
str = "decoder uninitialized";
}
g_warning("%s\n", str);
}
#else /* FLAC_API_VERSION_CURRENT >= 7 */
static void flacPrintErroredState(FLAC__StreamDecoderState state)
{
const char *str = ""; /* "" to silence compiler warning */
switch (state) {
case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA:
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;
case FLAC__STREAM_DECODER_SEEK_ERROR:
str = "seek error";
break;
case FLAC__STREAM_DECODER_ABORTED:
str = "decoder aborted by read";
break;
case FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR:
str = "allocation error";
break;
case FLAC__STREAM_DECODER_UNINITIALIZED:
str = "decoder uninitialized";
}
g_warning("%s\n", str);
}
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
static void flacMetadata(G_GNUC_UNUSED const FLAC__StreamDecoder * dec,
const FLAC__StreamMetadata * block, void *vdata)
{
flac_metadata_common_cb(block, (struct flac_data *) vdata);
}
static FLAC__StreamDecoderWriteStatus
flac_write_cb(const FLAC__StreamDecoder *dec, const FLAC__Frame *frame,
const FLAC__int32 *const buf[], void *vdata)
{
struct flac_data *data = (struct flac_data *) vdata;
FLAC__uint64 nbytes = 0;
if (FLAC__stream_decoder_get_decode_position(dec, &nbytes)) {
if (data->position > 0 && nbytes > data->position) {
nbytes -= data->position;
data->position += nbytes;
} else {
data->position = nbytes;
nbytes = 0;
}
} else
nbytes = 0;
return flac_common_write(data, frame, buf, nbytes);
}
static struct tag *
flac_tag_load(const char *file, const char *char_tnum)
{
struct tag *tag;
FLAC__Metadata_SimpleIterator *it;
FLAC__StreamMetadata *block = NULL;
it = FLAC__metadata_simple_iterator_new();
if (!FLAC__metadata_simple_iterator_init(it, file, 1, 0)) {
const char *err;
FLAC_API FLAC__Metadata_SimpleIteratorStatus s;
s = FLAC__metadata_simple_iterator_status(it);
switch (s) { /* slightly more human-friendly messages: */
case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT:
err = "illegal input";
break;
case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE:
err = "error opening file";
break;
case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE:
err = "not a FLAC file";
break;
default:
err = FLAC__Metadata_SimpleIteratorStatusString[s];
}
g_debug("Reading '%s' metadata gave the following error: %s\n",
file, err);
FLAC__metadata_simple_iterator_delete(it);
return NULL;
}
tag = tag_new();
do {
block = FLAC__metadata_simple_iterator_get_block(it);
if (!block)
break;
flac_tag_apply_metadata(tag, char_tnum, block);
FLAC__metadata_object_delete(block);
} while (FLAC__metadata_simple_iterator_next(it));
FLAC__metadata_simple_iterator_delete(it);
if (!tag_is_defined(tag)) {
tag_free(tag);
tag = NULL;
}
return tag;
}
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
static struct tag *
flac_cue_tag_load(const char *file)
{
struct tag* tag = NULL;
char* char_tnum = NULL;
char* ptr = NULL;
unsigned int tnum = 0;
unsigned int sample_rate = 0;
FLAC__uint64 track_time = 0;
#ifdef HAVE_CUE /* libcue */
FLAC__StreamMetadata* vc;
char* cs_filename;
FILE* cs_file;
#endif /* libcue */
FLAC__StreamMetadata* si = FLAC__metadata_object_new(FLAC__METADATA_TYPE_STREAMINFO);
FLAC__StreamMetadata* cs;
tnum = flac_vtrack_tnum(file);
char_tnum = g_strdup_printf("%u", tnum);
ptr = strrchr(file, '/');
*ptr = '\0';
#ifdef HAVE_CUE /* libcue */
if (FLAC__metadata_get_tags(file, &vc))
{
for (unsigned i = 0; i < vc->data.vorbis_comment.num_comments;
i++)
{
if ((ptr = (char*)vc->data.vorbis_comment.comments[i].entry) != NULL)
{
if (g_ascii_strncasecmp(ptr, "cuesheet", 8) == 0)
{
while (*(++ptr) != '=');
tag = cue_tag_string( ++ptr,
tnum);
}
}
}
FLAC__metadata_object_delete(vc);
}
if (tag == NULL) {
cs_filename = g_strconcat(file, ".cue", NULL);
cs_file = fopen(cs_filename, "rt");
g_free(cs_filename);
if (cs_file != NULL) {
tag = cue_tag_file(cs_file, tnum);
fclose(cs_file);
}
}
#endif /* libcue */
if (tag == NULL)
tag = flac_tag_load(file, char_tnum);
if (char_tnum != NULL) {
tag_add_item(tag, TAG_TRACK, char_tnum);
g_free(char_tnum);
}
if (FLAC__metadata_get_streaminfo(file, si))
{
sample_rate = si->data.stream_info.sample_rate;
FLAC__metadata_object_delete(si);
}
if (FLAC__metadata_get_cuesheet(file, &cs))
{
if (cs->data.cue_sheet.tracks != NULL
&& (tnum <= cs->data.cue_sheet.num_tracks - 1))
{
track_time = cs->data.cue_sheet.tracks[tnum].offset
- cs->data.cue_sheet.tracks[tnum - 1].offset;
}
FLAC__metadata_object_delete(cs);
}
if (sample_rate != 0)
{
tag->time = (unsigned int)(track_time/sample_rate);
}
return tag;
}
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
static struct tag *
flac_tag_dup(const char *file)
{
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
struct stat st;
if (stat(file, &st) < 0)
return flac_cue_tag_load(file);
else
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
return flac_tag_load(file, NULL);
}
/**
* Some glue code around FLAC__stream_decoder_new().
*/
static FLAC__StreamDecoder *
flac_decoder_new(void)
{
FLAC__StreamDecoder *sd = FLAC__stream_decoder_new();
if (sd == NULL) {
g_warning("FLAC__stream_decoder_new() failed");
return NULL;
}
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
if(!FLAC__stream_decoder_set_metadata_respond(sd, FLAC__METADATA_TYPE_VORBIS_COMMENT))
g_debug("FLAC__stream_decoder_set_metadata_respond() has failed");
#endif
return sd;
}
static bool
flac_decoder_initialize(struct flac_data *data, FLAC__StreamDecoder *sd,
bool seekable, FLAC__uint64 duration)
{
if (!FLAC__stream_decoder_process_until_end_of_metadata(sd)) {
g_warning("problem reading metadata");
return false;
}
if (!data->have_stream_info) {
g_warning("no STREAMINFO packet found");
return false;
}
if (!audio_format_valid(&data->audio_format)) {
g_warning("Invalid audio format: %u:%u:%u\n",
data->audio_format.sample_rate,
data->audio_format.bits,
data->audio_format.channels);
return false;
}
if (duration == 0)
duration = data->stream_info.total_samples;
decoder_initialized(data->decoder, &data->audio_format,
seekable,
(float)duration /
(float)data->stream_info.sample_rate);
return true;
}
static void
flac_decoder_loop(struct flac_data *data, FLAC__StreamDecoder *flac_dec,
FLAC__uint64 t_start, FLAC__uint64 t_end)
{
struct decoder *decoder = data->decoder;
enum decoder_command cmd;
data->first_frame = t_start;
while (true) {
if (data->tag != NULL && !tag_is_empty(data->tag)) {
cmd = decoder_tag(data->decoder, data->input_stream,
data->tag);
tag_free(data->tag);
data->tag = tag_new();
} else
cmd = decoder_get_command(decoder);
if (cmd == DECODE_COMMAND_SEEK) {
FLAC__uint64 seek_sample = t_start +
decoder_seek_where(decoder) *
data->stream_info.sample_rate;
if (seek_sample >= t_start &&
(t_end == 0 || seek_sample <= t_end) &&
FLAC__stream_decoder_seek_absolute(flac_dec, seek_sample)) {
data->next_frame = seek_sample;
data->position = 0;
decoder_command_finished(decoder);
} else
decoder_seek_error(decoder);
} else if (cmd == DECODE_COMMAND_STOP ||
FLAC__stream_decoder_get_state(flac_dec) == FLAC__STREAM_DECODER_END_OF_STREAM)
break;
if (t_end != 0 && data->next_frame >= t_end)
/* end of this sub track */
break;
if (!FLAC__stream_decoder_process_single(flac_dec)) {
cmd = decoder_get_command(decoder);
if (cmd != DECODE_COMMAND_SEEK)
break;
}
}
if (cmd != DECODE_COMMAND_STOP) {
flacPrintErroredState(FLAC__stream_decoder_get_state(flac_dec));
FLAC__stream_decoder_finish(flac_dec);
}
}
static void
flac_decode_internal(struct decoder * decoder,
struct input_stream *input_stream,
bool is_ogg)
{
FLAC__StreamDecoder *flac_dec;
struct flac_data data;
const char *err = NULL;
flac_dec = flac_decoder_new();
if (flac_dec == NULL)
return;
flac_data_init(&data, decoder, input_stream);
data.tag = tag_new();
if (is_ogg) {
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
FLAC__StreamDecoderInitStatus status =
FLAC__stream_decoder_init_ogg_stream(flac_dec,
flac_read_cb,
flac_seek_cb,
flac_tell_cb,
flac_length_cb,
flac_eof_cb,
flac_write_cb,
flacMetadata,
flac_error_cb,
(void *)&data);
if (status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
err = "doing Ogg init()";
goto fail;
}
#else
goto fail;
#endif
} else {
FLAC__StreamDecoderInitStatus status =
FLAC__stream_decoder_init_stream(flac_dec,
flac_read_cb,
flac_seek_cb,
flac_tell_cb,
flac_length_cb,
flac_eof_cb,
flac_write_cb,
flacMetadata,
flac_error_cb,
(void *)&data);
if (status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
err = "doing init()";
goto fail;
}
}
if (!flac_decoder_initialize(&data, flac_dec,
input_stream->seekable, 0)) {
flac_data_deinit(&data);
FLAC__stream_decoder_delete(flac_dec);
return;
}
flac_decoder_loop(&data, flac_dec, 0, 0);
fail:
flac_data_deinit(&data);
FLAC__stream_decoder_delete(flac_dec);
if (err)
g_warning("%s\n", err);
}
static void
flac_decode(struct decoder * decoder, struct input_stream *input_stream)
{
flac_decode_internal(decoder, input_stream, false);
}
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
/**
* @brief Decode a flac file with embedded cue sheets
* @param const char* fname filename on fs
*/
static void
flac_container_decode(struct decoder* decoder,
const char* fname,
bool is_ogg)
{
unsigned int tnum = 0;
FLAC__uint64 t_start = 0;
FLAC__uint64 t_end = 0;
FLAC__uint64 track_time = 0;
FLAC__StreamMetadata* cs = NULL;
FLAC__StreamDecoder *flac_dec;
FLAC__StreamDecoderInitStatus init_status;
struct flac_data data;
const char *err = NULL;
char* pathname = g_strdup(fname);
char* slash = strrchr(pathname, '/');
*slash = '\0';
tnum = flac_vtrack_tnum(fname);
cs = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET);
FLAC__metadata_get_cuesheet(pathname, &cs);
if (cs != NULL)
{
if (cs->data.cue_sheet.tracks != NULL
&& (tnum <= cs->data.cue_sheet.num_tracks - 1))
{
t_start = cs->data.cue_sheet.tracks[tnum - 1].offset;
t_end = cs->data.cue_sheet.tracks[tnum].offset;
track_time = cs->data.cue_sheet.tracks[tnum].offset
- cs->data.cue_sheet.tracks[tnum - 1].offset;
}
FLAC__metadata_object_delete(cs);
}
else
{
g_free(pathname);
return;
}
flac_dec = flac_decoder_new();
if (flac_dec == NULL)
return;
flac_data_init(&data, decoder, NULL);
init_status = is_ogg
? FLAC__stream_decoder_init_ogg_file(flac_dec, pathname,
flac_write_cb,
flacMetadata,
flac_error_cb,
&data)
: FLAC__stream_decoder_init_file(flac_dec,
pathname, flac_write_cb,
flacMetadata, flac_error_cb,
&data);
g_free(pathname);
if (init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
err = "doing init()";
goto fail;
}
if (!flac_decoder_initialize(&data, flac_dec, true, track_time)) {
flac_data_deinit(&data);
FLAC__stream_decoder_delete(flac_dec);
return;
}
// seek to song start (order is important: after decoder init)
FLAC__stream_decoder_seek_absolute(flac_dec, (FLAC__uint64)t_start);
data.next_frame = t_start;
flac_decoder_loop(&data, flac_dec, t_start, t_end);
fail:
flac_data_deinit(&data);
FLAC__stream_decoder_delete(flac_dec);
if (err)
g_warning("%s\n", err);
}
/**
* @brief Open a flac file for decoding
* @param const char* fname filename on fs
*/
static void
flac_filedecode_internal(struct decoder* decoder,
const char* fname,
bool is_ogg)
{
FLAC__StreamDecoder *flac_dec;
struct flac_data data;
const char *err = NULL;
unsigned int flac_err_state = 0;
flac_dec = flac_decoder_new();
if (flac_dec == NULL)
return;
flac_data_init(&data, decoder, NULL);
if (is_ogg)
{
if ( (flac_err_state = FLAC__stream_decoder_init_ogg_file( flac_dec,
fname,
flac_write_cb,
flacMetadata,
flac_error_cb,
(void*) &data ))
== FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE)
{
flac_container_decode(decoder, fname, is_ogg);
}
else if (flac_err_state != FLAC__STREAM_DECODER_INIT_STATUS_OK)
{
err = "doing Ogg init()";
goto fail;
}
}
else
{
if ( (flac_err_state = FLAC__stream_decoder_init_file( flac_dec,
fname,
flac_write_cb,
flacMetadata,
flac_error_cb,
(void*) &data ))
== FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE)
{
flac_container_decode(decoder, fname, is_ogg);
}
else if (flac_err_state != FLAC__STREAM_DECODER_INIT_STATUS_OK)
{
err = "doing init()";
goto fail;
}
}
if (!flac_decoder_initialize(&data, flac_dec, true, 0)) {
flac_data_deinit(&data);
FLAC__stream_decoder_delete(flac_dec);
return;
}
flac_decoder_loop(&data, flac_dec, 0, 0);
fail:
flac_data_deinit(&data);
FLAC__stream_decoder_delete(flac_dec);
if (err)
g_warning("%s\n", err);
}
/**
* @brief wrapper function for
* flac_filedecode_internal method
* for decoding without ogg
*/
static void
flac_filedecode(struct decoder *decoder, const char *fname)
{
struct stat st;
if (stat(fname, &st) < 0) {
flac_container_decode(decoder, fname, false);
} else
flac_filedecode_internal(decoder, fname, false);
}
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
#ifndef HAVE_OGGFLAC
static bool
oggflac_init(G_GNUC_UNUSED const struct config_param *param)
{
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
return !!FLAC_API_SUPPORTS_OGG_FLAC;
#else
/* disable oggflac when libflac is too old */
return false;
#endif
}
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
static struct tag *
oggflac_tag_dup(const char *file)
{
struct tag *ret = NULL;
FLAC__Metadata_Iterator *it;
FLAC__StreamMetadata *block;
FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
if (!(FLAC__metadata_chain_read_ogg(chain, file)))
goto out;
it = FLAC__metadata_iterator_new();
FLAC__metadata_iterator_init(it, chain);
ret = tag_new();
do {
if (!(block = FLAC__metadata_iterator_get_block(it)))
break;
flac_tag_apply_metadata(ret, NULL, block);
} while (FLAC__metadata_iterator_next(it));
FLAC__metadata_iterator_delete(it);
if (!tag_is_defined(ret)) {
tag_free(ret);
ret = NULL;
}
out:
FLAC__metadata_chain_delete(chain);
return ret;
}
static void
oggflac_decode(struct decoder *decoder, struct input_stream *input_stream)
{
if (ogg_stream_type_detect(input_stream) != FLAC)
return;
/* rewind the stream, because ogg_stream_type_detect() has
moved it */
input_stream_seek(input_stream, 0, SEEK_SET);
flac_decode_internal(decoder, input_stream, true);
}
static const char *const oggflac_suffixes[] = { "ogg", "oga", NULL };
static const char *const oggflac_mime_types[] = {
"audio/x-flac+ogg",
"application/ogg",
"application/x-ogg",
NULL
};
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
const struct decoder_plugin oggflac_decoder_plugin = {
.name = "oggflac",
.init = oggflac_init,
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
.stream_decode = oggflac_decode,
.tag_dup = oggflac_tag_dup,
.suffixes = oggflac_suffixes,
.mime_types = oggflac_mime_types
#endif
};
#endif /* HAVE_OGGFLAC */
static const char *const flac_suffixes[] = { "flac", NULL };
static const char *const flac_mime_types[] = {
"audio/x-flac", "application/x-flac", NULL
};
const struct decoder_plugin flac_decoder_plugin = {
.name = "flac",
.stream_decode = flac_decode,
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
.file_decode = flac_filedecode,
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
.tag_dup = flac_tag_dup,
.suffixes = flac_suffixes,
.mime_types = flac_mime_types,
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
.container_scan = flac_cue_track,
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
};