void alogg_destroy_oggstream(ALOGG_OGGSTREAM *ogg) {
if (ogg == NULL)
return;
alogg_stop_oggstream(ogg); /* note alogg_stop_oggstream will */
/* remove autopolling interrupts */
ov_clear(&(ogg->vf));
free(ogg->full_databuf);
free(ogg->databuf1);
free(ogg->databuf2);
free(ogg);
}
void destroy()
{
if (!done)
alogg_stop_oggstream(stream);
alogg_destroy_oggstream(stream);
stream = NULL;
if (buffer != NULL)
free(buffer);
buffer = NULL;
pack_fclose(in);
}
void MYOGG::internal_destroy()
{
if (!done)
alogg_stop_oggstream(stream);
alogg_destroy_oggstream(stream);
stream = NULL;
if (buffer != NULL)
free(buffer);
buffer = NULL;
pack_fclose(in);
_destroyThis = false;
done = 1;
}
int alogg_poll_oggstream(ALOGG_OGGSTREAM *ogg) {
void *audiobuf;
char *audiobuf_p;
int i, size_done;
int last_block;
/* continue only if we are playing it */
if (!alogg_is_playing_oggstream(ogg))
return ALOGG_POLL_NOTPLAYING;
/* get the audio stream buffer and only continue if we need to fill it */
audiobuf = get_audio_stream_buffer(ogg->audiostream);
if (audiobuf == NULL)
return ALOGG_OK;
/* clear the buffer with unsinged data*/
{
int i;
unsigned short *j = (unsigned short *)audiobuf;
for (i = 0; i < (ogg->audiostream_buffer_len / 2); i++, j++)
*j = 0x8000;
}
/* if we need to fill it, but we were just waiting for it to finish */
if (ogg->wait_for_audio_stop > 0) {
free_audio_stream_buffer(ogg->audiostream);
if (--ogg->wait_for_audio_stop == 0) {
/* stop it */
alogg_stop_oggstream(ogg);
return ALOGG_POLL_PLAYJUSTFINISHED;
}
else
return ALOGG_OK;
}
/* get if this will be the last block to be processed */
if (ogg->bytes_used != -1)
last_block = TRUE;
else
last_block = FALSE;
audiobuf_p = (char *)audiobuf;
size_done = 0;
for (i = ogg->audiostream_buffer_len; i > 0; i -= size_done) {
size_done = ov_read(&(ogg->vf), audiobuf_p, i, 0, 2, 0, &(ogg->current_section));
/* check if the decoding was not successful */
if (size_done < 0) {
if (size_done == OV_HOLE)
size_done = 0;
else {
free_audio_stream_buffer(ogg->audiostream);
alogg_stop_oggstream(ogg);
return ALOGG_POLL_FRAMECORRUPT;
}
}
else if (size_done == 0) {
free_audio_stream_buffer(ogg->audiostream);
/* if this was not the last block, buffer underrun */
if (!last_block) {
alogg_stop_oggstream(ogg);
return ALOGG_POLL_BUFFERUNDERRUN;
}
/* else we just finished playing, we need to wait for audio to stop */
else {
ogg->wait_for_audio_stop = 2;
return ALOGG_OK;
}
}
audiobuf_p += size_done;
}
/* lock the buffer */
free_audio_stream_buffer(ogg->audiostream);
return ALOGG_OK;
}
