static void
spc_play (GstPad * pad)
{
GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
GstFlowReturn flow_return;
GstBuffer *out;
gboolean seeking = spc->seeking;
gint64 duration, fade, end, position;
if (!seeking) {
out = gst_buffer_new_and_alloc (1600 * 4);
gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
GST_BUFFER_TIMESTAMP (out) =
(gint64) gst_util_uint64_scale ((guint64) spc->byte_pos, GST_SECOND,
32000 * 2 * 2);
spc->byte_pos += OSPC_Run (-1, (short *) GST_BUFFER_DATA (out), 1600 * 4);
} else {
if (spc->seekpoint < spc->byte_pos) {
OSPC_Init (GST_BUFFER_DATA (spc->buf), GST_BUFFER_SIZE (spc->buf));
spc->byte_pos = 0;
}
spc->byte_pos += OSPC_Run (-1, NULL, 1600 * 4);
if (spc->byte_pos >= spc->seekpoint) {
spc->seeking = FALSE;
}
out = gst_buffer_new ();
gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
}
duration = gst_spc_duration (spc);
fade = gst_spc_fadeout (spc);
end = duration + fade;
position =
(gint64) gst_util_uint64_scale ((guint64) spc->byte_pos, GST_SECOND,
32000 * 2 * 2);
if (position >= duration) {
gint16 *data = (gint16 *) GST_BUFFER_DATA (out);
guint32 size = GST_BUFFER_SIZE (out) / sizeof (gint16);
unsigned int i;
gint64 num = (fade - (position - duration));
for (i = 0; i < size; i++) {
/* Apply a parabolic volume envelope */
data[i] = (gint16) (data[i] * num / fade * num / fade);
}
}
if ((flow_return = gst_pad_push (spc->srcpad, out)) != GST_FLOW_OK) {
GST_DEBUG_OBJECT (spc, "pausing task, reason %s",
gst_flow_get_name (flow_return));
gst_pad_pause_task (pad);
if (GST_FLOW_IS_FATAL (flow_return) || flow_return == GST_FLOW_NOT_LINKED) {
gst_pad_push_event (pad, gst_event_new_eos ());
}
}
if (position >= end) {
gst_pad_pause_task (pad);
gst_pad_push_event (pad, gst_event_new_eos ());
}
gst_object_unref (spc);
return;
}
static event_t *
openspc_play(media_pipe_t *mp, AVIOContext *avio, char *errbuf, size_t errlen)
{
media_queue_t *mq = &mp->mp_audio;
#error fa_fsize can return -1 .. deal with it
size_t r, siz = fa_fsize(fh);
uint8_t *buf = malloc(siz);
media_buf_t *mb = NULL;
event_t *e;
int hold = 0, lost_focus = 0;
int sample = 0;
unsigned int duration = INT32_MAX;
mp_set_playstatus_by_hold(mp, hold, NULL);
mp->mp_audio.mq_stream = 0;
fa_seek(fh, 0, SEEK_SET);
r = fa_read(fh, buf, siz);
fa_close(fh);
if(r != siz) {
free(buf);
snprintf(errbuf, errlen, "openspc: Unable to read file");
return NULL;
}
if(OSPC_Init(buf, siz)) {
free(buf);
snprintf(errbuf, errlen, "openspc: Unable to initialize file");
return NULL;
}
if(!memcmp("v0.30", buf + 0x1c, 4) && buf[0x23] == 0x1a) {
char str[4];
memcpy(str, buf + 0xa9, 3);
str[3] = 0;
duration = atoi(str) * 32000;
}
mp_set_play_caps(mp, MP_PLAY_CAPS_PAUSE);
mp_become_primary(mp);
while(1) {
if(mb == NULL) {
if(sample > duration) {
while((e = mp_wait_for_empty_queues(mp, 0)) != NULL) {
if(event_is_type(e, EVENT_PLAYQUEUE_JUMP) ||
event_is_action(e, ACTION_PREV_TRACK) ||
event_is_action(e, ACTION_NEXT_TRACK) ||
event_is_action(e, ACTION_STOP)) {
mp_flush(mp, 0);
break;
}
event_release(e);
}
if(e == NULL)
e = event_create_type(EVENT_EOF);
break;
}
mb = media_buf_alloc();
mb->mb_data_type = MB_AUDIO;
mb->mb_size = sizeof(int16_t) * 2048 * 2;
mb->mb_data = malloc(mb->mb_size);
mb->mb_size = OSPC_Run(-1, mb->mb_data, mb->mb_size);
mb->mb_channels = 2;
mb->mb_rate = 32000;
mb->mb_time = sample * 1000000LL / mb->mb_rate;
sample += 2048;
}
if((e = mb_enqueue_with_events(mp, mq, mb)) == NULL) {
mb = NULL; /* Enqueue succeeded */
continue;
}
if(event_is_type(e, EVENT_PLAYQUEUE_JUMP)) {
mp_flush(mp, 0);
break;
} else if(event_is_action(e, ACTION_PLAYPAUSE) ||
event_is_action(e, ACTION_PLAY) ||
event_is_action(e, ACTION_PAUSE)) {
hold = action_update_hold_by_event(hold, e);
mp_send_cmd_head(mp, mq, hold ? MB_CTRL_PAUSE : MB_CTRL_PLAY);
lost_focus = 0;
mp_set_playstatus_by_hold(mp, hold, NULL);
} else if(event_is_type(e, EVENT_MP_NO_LONGER_PRIMARY)) {
hold = 1;
lost_focus = 1;
mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
mp_set_playstatus_by_hold(mp, hold, e->e_payload);
} else if(event_is_type(e, EVENT_MP_IS_PRIMARY)) {
if(lost_focus) {
hold = 0;
lost_focus = 0;
mp_send_cmd_head(mp, mq, MB_CTRL_PLAY);
mp_set_playstatus_by_hold(mp, hold, NULL);
}
} else if(event_is_type(e, EVENT_INTERNAL_PAUSE)) {
hold = 1;
lost_focus = 0;
mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
mp_set_playstatus_by_hold(mp, hold, e->e_payload);
} else if(event_is_action(e, ACTION_PREV_TRACK) ||
event_is_action(e, ACTION_NEXT_TRACK) ||
event_is_action(e, ACTION_STOP)) {
mp_flush(mp, 0);
break;
}
event_release(e);
}
free(buf);
return e;
}
int main(int argc, char *argv[])
{
int optionoffset=0,audio_fd,channels=2,rformat,rchannels,format=AFMT_S16_LE,speed=32000,fd;
char audio_device[]="/dev/dsp";
char ver[]="0.2";
char c;
void *ptr,*buf;
off_t size;
if((argc<2))
{
printf("\n[?] Usage: soap [sound device] SPC_FILE_NAME\n[?] Optional parameters are in brackets.\n[?] SOAP Version %s (2003) Steve B Melvin Jr\n\n",ver);
exit(1);
}
if((argc>2))
{
strcpy(audio_device,argv[1]);
optionoffset++;
}
if((audio_fd=open(audio_device, O_WRONLY, 0)) ==-1)
{
printf("[-] Could not open, %s.\n", audio_device);
exit(1);
}
printf("[+] Successfully opened, %s.\n",audio_device);
rformat=format;
if(ioctl(audio_fd, SNDCTL_DSP_SETFMT, &format) == -1)
{
printf("[-] Could not set sound format.\n");
exit(1);
}
if(format!=rformat)
{
printf("[-] Could not set sound format.\n");
exit(1);
}
printf("[+] Successfully set sound format.\n");
rchannels=channels;
if(ioctl(audio_fd,SNDCTL_DSP_CHANNELS, &channels) == -1)
{
printf("[-] Could not set channels.\n");
exit(1);
}
if(channels!=rchannels)
{
printf("[-] Could not set channels.\n");
exit(1);
}
printf("[+] Successfully set channels.\n");
if(ioctl(audio_fd, SNDCTL_DSP_SPEED, &speed)==-1)
{
printf("[-] Could not set speed.\n");
exit(1);
}
printf("[+] Using speed, {%iHz}\n",speed);
buf=malloc(32000);
fd=open(argv[1+optionoffset],O_RDONLY);
if(fd<0)
{
printf("[-] Could not open \'%s\'\n.",argv[1]);
exit(1);
}
size=lseek(fd,0,SEEK_END);
lseek(fd,0,SEEK_SET);
ptr=malloc(size);
read(fd,ptr,size);
close(fd);
fd=OSPC_Init(ptr,size);
free(ptr);
fcntl(STDIN_FILENO,F_SETFL,O_NONBLOCK);
printf("[+] Playing SPC, press Enter to quit.\n");
while((read(STDIN_FILENO,&c,1))<=0)
{
size=OSPC_Run(-1,buf,32000);
write(audio_fd,buf,size);
}
printf("\nGoodbye!\n");
return 0;
}
