static void
test2 (void)
{
mpfr_t x;
long *a, *b, *c;
reset_stack ();
org = (long *) stack;
a = dummy_set_si (42);
b = dummy_set_si (17);
c = dummy_add (a, b);
c = dummy_compact (c, org);
(mpfr_custom_init_set) (x, c[0], c[1], p, &c[2]);
if (c != org || mpfr_cmp_ui (x, 59) != 0)
{
printf ("Compact (2) failed! c=%p a=%p\n", (void *) c, (void *) a);
mpfr_dump (x);
exit (1);
}
a = dummy_set_si (42);
b = dummy_set_si (-17);
c = dummy_add (a, b);
c = dummy_compact (c, org);
(mpfr_custom_init_set) (x, c[0], c[1], p, &c[2]);
if (c != org || mpfr_cmp_ui (x, 25) != 0)
{
printf ("Compact (6) failed! c=%p a=%p\n", (void *) c, (void *) a);
mpfr_dump (x);
exit (1);
}
reset_stack ();
}
static void
test2 (void)
{
mpfr_t x;
char *org = stack;
long *a, *b, *c;
a = dummy_set_si (42);
b = dummy_set_si (17);
c = dummy_add (a, b);
c = dummy_compact (c, org);
(mpfr_custom_init_set) (x, c[0], c[1], p, &c[2]);
if (c != a || mpfr_cmp_ui (x, 59) != 0)
{
printf ("Compact (2) failed! c=%p a=%p\n", (void *) c, (void *) a);
mpfr_dump (x);
exit (1);
}
stack = org;
}
static void writeout_ext(multiplex_t *mx, int n)
{
uint8_t outbuf[3000];
int written=0;
unsigned int length=0;
int nlength=0;
uint64_t pts, dpts=0;
int newpts=0;
int nframes=1;
int ac3_off=0;
int rest_data = 5;
int type = mx->ext[n].type;
ringbuffer *airbuffer = &mx->index_extrbuffer[n];
dummy_buffer *dbuf = &mx->ext[n].dbuf;
uint64_t adelay = mx->ext[n].pts_off;
uint64_t *apts = &mx->ext[n].pts;
index_unit *aiu = &mx->ext[n].iu;
switch (type){
case MPEG_AUDIO:
#ifdef OUT_DEBUG
fprintf(stderr,"writing AUDIO%d pack\n",n);
#endif
break;
case AC3:
#ifdef OUT_DEBUG
fprintf(stderr,"writing AC3%d pack\n",n);
#endif
rest_data = 1; // 4 bytes AC3 header
break;
default:
return;
}
if (mx->finish != 2 && dummy_space(dbuf) < mx->data_size + rest_data){
return;
}
pts = uptsdiff( aiu->pts + mx->audio_delay, adelay );
*apts = pts;
length = aiu->length;
if (length < aiu->framesize){
newpts = 1;
ac3_off = length;
}
dummy_add(dbuf, pts, aiu->length);
#ifdef OUT_DEBUG
fprintf(stderr,"start: %d stop: %d (%d) length %d ",
aiu->start, (aiu->start+aiu->length),
aiu->length, length);
printpts(*apts);
printpts(aiu->pts);
printpts(mx->audio_delay);
printpts(adelay);
printpts(pts);
fprintf(stderr,"\n");
#endif
while (!mx->is_ts && length < mx->data_size + rest_data){
if (ring_read(airbuffer, (uint8_t *)aiu, sizeof(index_unit)) > 0){
dpts = uptsdiff(aiu->pts +mx->audio_delay, adelay );
if (newpts){
pts = dpts;
newpts=0;
}
length+= aiu->length;
if (length < mx->data_size + rest_data)
dummy_add(dbuf, dpts, aiu->length);
*apts = dpts;
nframes++;
#ifdef OUT_DEBUG
fprintf(stderr,"start: %d stop: %d (%d) length %d ",
aiu->start, (aiu->start+aiu->length),
aiu->length, length);
printpts(*apts);
printpts(aiu->pts);
printpts(mx->audio_delay);
printpts(adelay);
fprintf(stderr,"\n");
#endif
} else if (mx->finish){
break;
} else if (mx->fill_buffers(mx->priv, mx->finish)< 0) {
fprintf(stderr,"error in writeout ext\n");
exit(1);
}
}
nlength = length;
switch (type) {
case MPEG_AUDIO:
if(mx->is_ts)
written = write_audio_ts( mx->ext[n].strmnum, pts,
outbuf, &nlength, newpts ? 0 : PTS_ONLY,
&mx->extrbuffer[n]);
else
written = write_audio_pes( mx->pack_size, mx->extcnt,
mx->ext[n].strmnum, pts, mx->SCR,
mx->muxr, outbuf, &nlength, PTS_ONLY,
&mx->extrbuffer[n]);
break;
case AC3:
if(mx->is_ts)
written = write_ac3_ts(mx->ext[n].strmnum, pts,
outbuf, &nlength, newpts ? 0 : PTS_ONLY,
mx->ext[n].frmperpkt, &mx->extrbuffer[n]);
else
written = write_ac3_pes( mx->pack_size, mx->extcnt,
mx->ext[n].strmnum, pts, mx->SCR,
mx->muxr, outbuf, &nlength, PTS_ONLY,
nframes, ac3_off,
&mx->extrbuffer[n]);
break;
}
length -= nlength;
write(mx->fd_out, outbuf, written);
dummy_add(dbuf, dpts, aiu->length-length);
aiu->length = length;
aiu->start = ring_rpos(&mx->extrbuffer[n]);
if (aiu->length == 0){
get_next_ext_unit(mx, aiu, n);
} else {
//estimate next pts based on bitrate of stream and data written
aiu->pts = uptsdiff(aiu->pts + ((nlength*aiu->ptsrate)>>8), 0);
}
*apts = uptsdiff(aiu->pts + mx->audio_delay, adelay);
#ifdef OUT_DEBUG
if ((int64_t)*apts < 0) fprintf(stderr,"SCHEISS ");
fprintf(stderr,"APTS");
printpts(*apts);
printpts(aiu->pts);
printpts(mx->audio_delay);
printpts(adelay);
fprintf(stderr,"\n");
#endif
if (mx->fill_buffers(mx->priv, mx->finish)< 0) {
fprintf(stderr,"error in writeout ext\n");
exit(1);
}
}
static void writeout_video(multiplex_t *mx)
{
uint8_t outbuf[3000];
int written=0;
uint8_t ptsdts=0;
unsigned int length;
int nlength=0;
int frame_len=0;
index_unit *viu = &mx->viu;
#ifdef OUT_DEBUG
fprintf(stderr,"writing VIDEO pack\n");
#endif
if(viu->frame_start) {
ptsdts = get_ptsdts(mx, viu);
frame_len = viu->length;
}
if (viu->frame_start && viu->seq_header && viu->gop &&
viu->frame == I_FRAME){
if (!mx->startup && mx->is_ts){
write_ts_patpmt(mx->ext, mx->extcnt, 1, outbuf);
write(mx->fd_out, outbuf, mx->pack_size*2);
ptsinc(&mx->SCR, mx->SCRinc*2);
} else if (!mx->startup && mx->navpack){
write_nav_pack(mx->pack_size, mx->extcnt,
mx->SCR, mx->muxr, outbuf);
write(mx->fd_out, outbuf, mx->pack_size);
ptsinc(&mx->SCR, mx->SCRinc);
} else mx->startup = 0;
#ifdef OUT_DEBUG
fprintf (stderr, " with sequence and gop header\n");
#endif
}
if (mx->finish != 2 && dummy_space(&mx->vdbuf) < mx->data_size){
return;
}
length = viu->length;
while (!mx->is_ts && length < mx->data_size){
index_unit nviu;
int old_start = viu->frame_start;
int old_frame = viu->frame;
uint64_t old_pts = viu->pts;
uint64_t old_dts = viu->dts;
dummy_add(&mx->vdbuf, uptsdiff(viu->dts+mx->video_delay,0)
, viu->length);
if ( peek_next_video_unit(mx, &nviu)){
if (!(nviu.seq_header && nviu.gop &&
nviu.frame == I_FRAME)){
get_next_video_unit(mx, viu);
frame_len = viu->length;
length += viu->length;
if(old_start) {
viu->pts = old_pts;
viu->dts = old_dts;
viu->frame = old_frame;
} else {
ptsdts = get_ptsdts(mx, viu);
}
} else break;
} else break;
}
if (viu->frame_start){
viu->frame_start=0;
if (viu->gop){
uint8_t gop[8];
frame_len=length-frame_len;
ring_peek(mx->vrbuffer, gop, 8, frame_len);
pts2time( viu->pts + mx->video_delay, gop, 8);
ring_poke(mx->vrbuffer, gop, 8, frame_len);
viu->gop=0;
}
if (mx->VBR) {
mx->extra_clock = ptsdiff(viu->dts + mx->video_delay,
mx->SCR + 500*CLOCK_MS);
#ifdef OUT_DEBUG1
fprintf(stderr,"EXTRACLOCK2: %lli %lli %lli\n", viu->dts, mx->video_delay, mx->SCR);
fprintf(stderr,"EXTRACLOCK2: %lli ", mx->extra_clock);
printpts(mx->extra_clock);
fprintf(stderr,"\n");
#endif
if (mx->extra_clock < 0)
mx->extra_clock = 0.0;
}
}
nlength = length;
if (mx->is_ts)
written = write_video_ts( viu->pts+mx->video_delay,
viu->dts+mx->video_delay,
mx->SCR, outbuf, &nlength,
ptsdts, mx->vrbuffer);
else
written = write_video_pes( mx->pack_size, mx->extcnt,
viu->pts+mx->video_delay,
viu->dts+mx->video_delay,
mx->SCR, mx->muxr, outbuf, &nlength,
ptsdts, mx->vrbuffer);
length -= nlength;
dummy_add(&mx->vdbuf, uptsdiff( viu->dts+mx->video_delay,0)
, viu->length-length);
viu->length = length;
//estimate next pts based on bitrate of this stream and data written
viu->dts = uptsdiff(viu->dts + ((nlength*viu->ptsrate)>>8), 0);
write(mx->fd_out, outbuf, written);
#ifdef OUT_DEBUG
fprintf(stderr,"VPTS");
printpts(viu->pts);
fprintf(stderr," DTS");
printpts(viu->dts);
printpts(mx->video_delay);
fprintf(stderr,"\n");
#endif
if (viu->length == 0){
get_next_video_unit(mx, viu);
}
}
