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/* gap_gve_sox.c
* Audio resampling Modules based on calls to UNIX Utility Program sox
*/
/*
* Copyright
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <glib/gstdio.h>
#include "gap_gve_sox.h"
#include "gap_audio_wav.h"
#include "gap-intl.h"
/* --------------------------------
* gap_gve_sox_init_default
* --------------------------------
*/
void
gap_gve_sox_init_default(GapGveCommonValues *cval)
{
g_snprintf(cval->util_sox, sizeof(cval->util_sox), "%s"
, GAP_STORY_SOX_DEFAULT_UTIL_SOX);
g_snprintf(cval->util_sox_options, sizeof(cval->util_sox_options), "%s"
, GAP_STORY_SOX_DEFAULT_UTIL_SOX_OPTIONS);
} /* end gap_gve_sox_init_default */
/* --------------------------------
* gap_gve_sox_save_config
* --------------------------------
*/
void
gap_gve_sox_save_config(GapGveCommonValues *cval)
{
gimp_gimprc_set("video_encode_com_util_sox", cval->util_sox);
gimp_gimprc_set("video_encode_com_util_sox_options", cval->util_sox_options);
} /* end gap_gve_sox_save_config */
/* --------------------------------
* gap_gve_sox_init_config
* --------------------------------
*/
void
gap_gve_sox_init_config(GapGveCommonValues *cval)
{
char *value_string;
gap_gve_sox_init_default(cval);
value_string = gimp_gimprc_query("video_encode_com_util_sox");
if(value_string)
{
g_snprintf(cval->util_sox, sizeof(cval->util_sox), "%s", value_string);
g_free(value_string);
}
value_string = gimp_gimprc_query("video_encode_com_util_sox_options");
if(value_string)
{
g_snprintf(cval->util_sox_options, sizeof(cval->util_sox_options), "%s", value_string);
g_free(value_string);
}
} /* end gap_gve_sox_init_config */
/* --------------------------------
* gap_gve_sox_chk_and_resample
* --------------------------------
*/
gint
gap_gve_sox_chk_and_resample(GapGveCommonValues *cval)
{
long samplerate;
long channels;
long bytes_per_sample;
long bits;
long samples;
long all_playlist_references;
long valid_playlist_references;
int l_rc;
gchar *l_msg;
if(gap_debug) printf("gap_gve_sox_chk_and_resample\n");
all_playlist_references = 0;
valid_playlist_references = 0;
cval->tmp_audfile[0] = '\0';
if(cval->audioname1[0] == '\0')
{
return 0;
}
/* check for WAV file or valid audio playlist, and get audio informations */
l_rc = gap_audio_playlist_wav_file_check(cval->audioname1
, &samplerate
, &channels
, &bytes_per_sample
, &bits
, &samples
, &all_playlist_references
, &valid_playlist_references
, cval->samplerate
);
if (valid_playlist_references > 0)
{
return 0; /* OK, valid audio playlist */
}
if (all_playlist_references > 0)
{
return -1; /* non matching playlist */
}
if ((l_rc !=0)
|| (bits != 16)
|| (cval->samplerate != cval->wav_samplerate1))
{
if((cval->tmp_audfile[0] != '\0') && (cval->wav_samplerate_tmp == cval->samplerate))
{
if(g_file_test(cval->tmp_audfile, G_FILE_TEST_EXISTS))
{
if(gap_debug) printf("resample needed, tmpfile is already there %s\n", cval->tmp_audfile);
return 0;
}
}
g_snprintf(cval->tmp_audfile, sizeof(cval->tmp_audfile), "%s_tmp.wav", cval->audioname1);
if(gap_debug) printf("resample needed, try to call sox to create tmpfile: %s\n", cval->tmp_audfile);
/* delete tmp file */
g_remove(cval->tmp_audfile);
if(g_file_test(cval->tmp_audfile, G_FILE_TEST_EXISTS))
{
l_msg = g_strdup_printf(_("ERROR: Can't overwrite temporary workfile\nfile: %s")
, cval->tmp_audfile);
if(cval->run_mode == GIMP_RUN_INTERACTIVE)
{
g_message("%s", l_msg);
}
return -1;
}
gap_story_sox_exec_resample( cval->audioname1
, cval-> tmp_audfile
, cval->samplerate
, cval->util_sox
, cval->util_sox_options
);
if(!g_file_test(cval->tmp_audfile, G_FILE_TEST_EXISTS))
{
l_msg = g_strdup_printf(_("ERROR: Could not create resampled WAV workfile\n\n"
"1.) check write permission on \n file: %s\n"
"2.) check if SOX (version >= 12.16) is installed:\n prog: %s\n")
, cval->tmp_audfile
, cval->util_sox
);
if(cval->run_mode == GIMP_RUN_INTERACTIVE)
{
g_message("%s", l_msg);
}
g_free(l_msg);
return -1;
}
}
return 0;
} /* end gap_gve_sox_chk_and_resample */
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