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/*****************************************************************
* gmerlin - a general purpose multimedia framework and applications
*
* Copyright (c) 2001 - 2011 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 <stdio.h>
#include <string.h>
#include <config.h>
#include <gmerlin/utils.h>
#include <gmerlin/pluginregistry.h>
#include <gmerlin/visualize.h>
#include <gmerlin/translation.h>
#include <gmerlin/cmdline.h>
#include <gmerlin/log.h>
#define LOG_DOMAIN "visualization"
static bg_visualizer_t * visualizer = NULL;
static bg_cfg_section_t * vis_section = NULL;
static bg_parameter_info_t const * vis_parameters = NULL;
static void opt_visualizer(void * data, int * argc,
char *** _argv, int arg)
{
if(arg >= *argc)
{
fprintf(stderr, "Option -vis requires an argument\n");
exit(-1);
}
if(!bg_cmdline_apply_options(vis_section,
bg_visualizer_set_parameter,
visualizer,
vis_parameters,
(*_argv)[arg]))
exit(-1);
bg_cmdline_remove_arg(argc, _argv, arg);
}
static bg_cmdline_arg_t visualizer_options[] =
{
{
.arg = "-vis",
.help_string = "options",
.callback = opt_visualizer,
},
{ /* End of options */ }
};
const bg_cmdline_app_data_t app_data =
{
.package = PACKAGE,
.version = VERSION,
.name = "visualization",
.synopsis = TRS("[<options>]\n"),
.help_before = TRS("Visualize test\n"),
.args = (const bg_cmdline_arg_array_t[]) { { TRS("Options"), visualizer_options },
{ } },
};
int main(int argc, char ** argv)
{
const bg_plugin_info_t * info;
bg_cfg_registry_t * cfg_reg;
bg_cfg_section_t * cfg_section;
bg_plugin_registry_t * plugin_reg;
char * tmp_path;
gavl_audio_format_t format;
gavl_audio_frame_t * frame;
bg_plugin_handle_t * input_handle;
bg_recorder_plugin_t * input_plugin;
bg_plugin_handle_t * ov_handle;
/* Load config registry */
cfg_reg = bg_cfg_registry_create();
tmp_path = bg_search_file_read("generic", "config.xml");
bg_cfg_registry_load(cfg_reg, tmp_path);
if(tmp_path)
free(tmp_path);
vis_section = bg_cfg_registry_find_section(cfg_reg,
"visualization");
/* Load plugin registry */
cfg_section = bg_cfg_registry_find_section(cfg_reg, "plugins");
plugin_reg = bg_plugin_registry_create(cfg_section);
/* Create visualizer */
visualizer = bg_visualizer_create(plugin_reg);
vis_parameters = bg_visualizer_get_parameters(visualizer);
visualizer_options[0].parameters = vis_parameters;
bg_cmdline_init(&app_data);
bg_cmdline_parse(visualizer_options, &argc, &argv, NULL);
/* Load input */
info = bg_plugin_registry_get_default(plugin_reg, BG_PLUGIN_RECORDER_AUDIO, BG_PLUGIN_RECORDER);
if(!info)
{
bg_log(BG_LOG_ERROR, LOG_DOMAIN, "No input plugin defined");
return -1;
}
input_handle = bg_plugin_load(plugin_reg, info);
if(!input_handle)
{
bg_log(BG_LOG_ERROR, LOG_DOMAIN, "Input plugin could not be loaded");
return -1;
}
input_plugin = (bg_recorder_plugin_t*)(input_handle->plugin);
/* Load output */
info = bg_plugin_registry_get_default(plugin_reg, BG_PLUGIN_OUTPUT_VIDEO, BG_PLUGIN_PLAYBACK);
if(!info)
{
bg_log(BG_LOG_ERROR, LOG_DOMAIN, "No output plugin defined");
return -1;
}
ov_handle = bg_plugin_load(plugin_reg, info);
if(!ov_handle)
{
bg_log(BG_LOG_ERROR, LOG_DOMAIN, "Output plugin could not be loaded");
return -1;
}
/* Open input */
memset(&format, 0, sizeof(format));
format.samplerate = 44100;
format.sample_format = GAVL_SAMPLE_S16;
format.samples_per_frame = 2048;
format.interleave_mode = GAVL_INTERLEAVE_ALL;
format.num_channels = 2;
gavl_set_channel_setup(&format);
if(!input_plugin->open(input_handle->priv, &format, NULL))
{
bg_log(BG_LOG_ERROR, LOG_DOMAIN, "Opening input plugin failed");
return -1;
}
/* Create frame */
frame = gavl_audio_frame_create(&format);
gavl_audio_frame_mute(frame, &format);
/* Start */
bg_visualizer_open_plugin(visualizer, &format, ov_handle);
while(1)
{
input_plugin->read_audio(input_handle->priv, frame, 0, format.samples_per_frame);
bg_visualizer_update(visualizer, frame);
}
bg_visualizer_close(visualizer);
return 0;
}
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