experimental-legacy/ecdb/trunk/src/ecdb_audio.c

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#include "ecdb.h"
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int transcode_data_cb(void *data, int type, void *event);
int ecdb_audio_project_init(Ecdb_Audio_Project *proj);
Ecdb_Audio_Project *
ecdb_audio_project_new(void)
{
Ecdb_Audio_Project *proj;
proj = calloc(1, sizeof(Ecdb_Audio_Project));
if (!proj)
return NULL;
if (!ecdb_audio_project_init(proj))
{
FREE(proj);
return NULL;
}
return proj;
}
int
ecdb_audio_project_init(Ecdb_Audio_Project *proj)
{
if (!ecdb_project_init(ECDB_PROJECT(proj)))
return FALSE;
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ecdb_project_type_set(ECDB_PROJECT(proj), ECDB_AUDIO_PROJECT);
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proj->tracks = ecdb_source_new();
proj->num_tracks = 0;
proj->num_transcode_complete = 0;
return TRUE;
}
void
ecdb_audio_project_destroy(Ecdb_Audio_Project *proj)
{
ecdb_source_destroy(proj->tracks);
ecdb_project_destroy(ECDB_PROJECT(proj));
free(proj);
}
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void
ecdb_audio_project_start(Ecdb_Audio_Project *proj)
{
char cmd[PATH_MAX]; //<-- + 20ish?
int i;
/* Fork off the gstreamer program for every file to be added
* Depending on the number of files, this can be pretty system intensive, so
* is there a way to reduce/control this ?
*/
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for (i = 0; proj->tracks->children[i]; i++)
{
snprintf(cmd, PATH_MAX, "ecdb_transcode_helper %s",
proj->tracks->children[i]->dst);
ecore_exe_pipe_run(cmd, ECORE_EXE_PIPE_READ |
ECORE_EXE_PIPE_READ_LINE_BUFFERED, NULL);
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}
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proj->num_tracks = i + 1;
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ecore_event_handler_add(ECORE_EXE_EVENT_DATA, transcode_data_cb, proj);
}
int
transcode_data_cb(void *data, int type, void *event)
{
const char *rec;
Ecore_Exe_Event_Data *ev = event;
Ecdb_Audio_Project *proj = data;
rec = ev->data;
proj->num_transcode_complete++;
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printf("Message: %s\n", rec);
if (!strcmp(rec, "EOS"))
{
printf("Transcode complete\n");
proj->num_transcode_complete++;
}
/* How to handle errors? */
else
printf("Error!\n");
if (proj->num_tracks == proj->num_transcode_complete)
{
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printf("Hurrah, transcoding is done!\n");
/* Change to another event later */
ecore_event_add(ECORE_EVENT_SIGNAL_EXIT, NULL, NULL, NULL);
}
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return 1;
}