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/*
* Copyright (C) 2000-2001 the xine project
*
* This file is part of xine, a unix video player.
*
* xine 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.
*
* xine 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
*
* $Id: xine_decoder.c,v 1.10 2002/09/05 22:18:57 mroi Exp $
*
* stuff needed to turn libmpg123 into a xine decoder plugin
*/
/*
* FIXME: libmpg123 uses global variables (that are written to)
*/
#include <stdlib.h>
#include "audio_out.h"
#include "mpg123.h"
#include "mpglib.h"
#include "buffer.h"
#include "xine_internal.h"
#define FRAME_SIZE 4096
typedef struct mpgdec_decoder_s {
audio_decoder_t audio_decoder;
int64_t pts;
mpgaudio_t *mpg;
ao_instance_t *audio_out;
int output_sampling_rate;
int output_open;
} mpgdec_decoder_t;
void mpgdec_reset (audio_decoder_t *this_gen) {
mpgdec_decoder_t *this = (mpgdec_decoder_t *) this_gen;
mpg_audio_reset (this->mpg);
}
void mpgdec_init (audio_decoder_t *this_gen, ao_instance_t *audio_out) {
mpgdec_decoder_t *this = (mpgdec_decoder_t *) this_gen;
this->audio_out = audio_out;
this->mpg = mpg_audio_init (audio_out);
}
void mpgdec_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
mpgdec_decoder_t *this = (mpgdec_decoder_t *) this_gen;
/*
printf ("libmpg123: decode data\n");
fflush (stdout);
*/
if (buf->decoder_info[0] >0) {
/*
printf ("libmpg123: decode data - doing it\n");
fflush (stdout);
*/
mpg_audio_decode_data (this->mpg, buf->content, buf->content + buf->size,
buf->PTS);
}
}
void mpgdec_close (audio_decoder_t *this_gen) {
mpgdec_decoder_t *this = (mpgdec_decoder_t *) this_gen;
mpg_audio_close (this->mpg);
if (this->output_open)
this->audio_out->close (this->audio_out);
}
static char *mpgdec_get_id(void) {
return "mpgdec";
}
static void *init_audio_decoder_plugin (xine_t *xine, void *data) {
mpgdec_decoder_t *this ;
this = (mpgdec_decoder_t *) malloc (sizeof (mpgdec_decoder_t));
this->audio_decoder.init = mpgdec_init;
this->audio_decoder.reset = mpgdec_reset;
this->audio_decoder.decode_data = mpgdec_decode_data;
this->audio_decoder.close = mpgdec_close;
this->audio_decoder.get_identifier = mpgdec_get_id;
return (audio_decoder_t *) this;
}
static uint32_t audio_types[] = { BUF_AUDIO_MPEG, 0 };
static decoder_info_t dec_info_audio = {
audio_types, /* supported types */
1 /* priority */
};
plugin_info_t xine_plugin_info[] = {
/* type, API, "name", version, special_info, init_function */
{ PLUGIN_AUDIO_DECODER, 9, "mpgdec", XINE_VERSION_CODE, &dec_info_audio, init_audio_decoder_plugin },
{ PLUGIN_NONE, 0, "", 0, NULL, NULL }
};
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