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/*****************************************************************
* gmerlin-avdecoder - a general purpose multimedia decoding library
*
* Copyright (c) 2001 - 2012 Members of the Gmerlin project
* gmerlin-general@lists.sourceforge.net
* http://gmerlin.sourceforge.net
*
* 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, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#include <avdec_private.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <glob.h>
#define LOG_DOMAIN "cuedemux"
extern bgav_input_t bgav_input_file;
static int glob_errfunc(const char *epath, int eerrno)
{
fprintf(stderr, "glob error: Cannot access %s: %s\n",
epath, strerror(eerrno));
return 0;
}
static int probe_cue(bgav_input_context_t * input)
{
const char * loc = NULL;
uint8_t test_data[4];
/* Need to call glob() later on */
if(input->input != &bgav_input_file)
return 0;
/* Check for .cue or .CUE in the location */
if(!gavl_dictionary_get_src(&input->m, GAVL_META_SRC, 0,
NULL, &loc) ||
!loc ||
(!gavl_string_ends_with(loc, ".cue") &&
!gavl_string_ends_with(loc, ".CUE")))
return 0;
if(bgav_input_get_data(input, test_data, 4) < 4)
return 0;
if((test_data[0] == 'R') &&
(test_data[1] == 'E') &&
(test_data[2] == 'M') &&
(test_data[3] == ' '))
return 1;
return 0;
}
static int load_edl(gavl_dictionary_t * ret, const glob_t * g, const char * ext)
{
int result = 0;
const gavl_dictionary_t * edl;
bgav_t * b;
int i;
const char * loc = NULL;
const char * pos;
/* Search for the filename */
for(i = 0; i < g->gl_pathc; i++)
{
pos = strrchr(g->gl_pathv[i], '.');
if(pos && !strcasecmp(pos, ext))
{
loc = g->gl_pathv[i];
break;
}
}
if(!loc)
return 0;
b = bgav_create();
if(!bgav_open(b, loc))
{
bgav_close(b);
return 0;
}
if((edl = bgav_get_edl(b)))
{
gavl_dictionary_copy(ret, edl);
result = 1;
}
bgav_close(b);
return result;
}
static int open_cue(bgav_demuxer_context_t * ctx)
{
int num, i;
int ret = 0;
char * pattern;
char * pos;
/* Search for audio file */
const char * loc = NULL;
gavl_dictionary_t * edl;
glob_t glob_buf;
memset(&glob_buf, 0, sizeof(glob_buf));
gavl_dictionary_get_src(&ctx->input->m, GAVL_META_SRC, 0, NULL, &loc);
pattern = gavl_strdup(loc);
pos = strrchr(pattern, '.');
pos++;
*pos = '*';
pos++;
*pos = '\0';
pattern = gavl_escape_string(pattern, "[]?");
if(glob(pattern, 0, glob_errfunc, &glob_buf))
{
// fprintf(stderr, "glob returned %d\n", result);
goto fail;
}
/* We simply open the audio file, which will load the cue file in turn.
Then we copy the EDL and forget the rest */
ctx->tt = bgav_track_table_create(0);
edl = gavl_edl_create(&ctx->tt->info);
if(!load_edl(edl, &glob_buf, ".wav") &&
!load_edl(edl, &glob_buf, ".flac") &&
!load_edl(edl, &glob_buf, ".ape") &&
!load_edl(edl, &glob_buf, ".wv"))
goto fail;
num = gavl_get_num_tracks(edl);
for(i = 0; i < num; i++)
{
gavl_dictionary_t * track;
gavl_dictionary_t * m;
gavl_dictionary_t * src;
const gavl_dictionary_t * src_input;
track = gavl_get_track_nc(edl, i);
m = gavl_track_get_metadata_nc(track);
gavl_dictionary_set(m, GAVL_META_SRC, NULL);
src = gavl_dictionary_get_dictionary_create(m, GAVL_META_SRC);
gavl_dictionary_set_string(src, GAVL_META_FORMAT, "CUE");
gavl_dictionary_set_string(src, GAVL_META_MIMETYPE, "application/x-cue");
if((src_input = gavl_dictionary_get_dictionary(&ctx->input->m, GAVL_META_SRC)))
gavl_dictionary_merge2(src, src_input);
/* Set samplerate and channels */
gavl_dictionary_set_int(m, GAVL_META_AUDIO_SAMPLERATE, 44100);
gavl_dictionary_set_int(m, GAVL_META_AUDIO_CHANNELS, 2);
gavl_dictionary_set_int(m, GAVL_META_SAMPLE_ACCURATE, 1);
}
// src = gavl_dictionary_get_dictionary_create(tm, GAVL_META_SRC);
ret = 1;
fail:
if(pattern)
free(pattern);
globfree(&glob_buf);
return ret;
}
static void close_cue(bgav_demuxer_context_t * ctx)
{
}
const bgav_demuxer_t bgav_demuxer_cue =
{
.probe = probe_cue,
.open = open_cue,
.close = close_cue
};
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