static void process_userdata(const unsigned char* buf,int len){
int i;
/* if the user data starts with "CC", assume it is a CC info packet */
if(len>2 && buf[0]=='C' && buf[1]=='C'){
// mp_msg(MSGT_DECVIDEO,MSGL_DBG2,"video.c: process_userdata() detected Closed Captions!\n");
subcc_process_data(buf+2,len-2);
}
if( len > 2 && buf[ 0 ] == 'T' && buf[ 1 ] == 'Y' )
{
ty_processuserdata( buf + 2, len - 2 );
return;
}
if(verbose<2) return;
fprintf(stderr, "user_data: len=%3d %02X %02X %02X %02X '",
len, buf[0], buf[1], buf[2], buf[3]);
for(i=0;i<len;i++)
// if(buf[i]>=32 && buf[i]<127) fputc(buf[i], stderr);
if(buf[i]&0x60) fputc(buf[i]&0x7F, stderr);
fprintf(stderr, "'\n");
}
void update_subtitles(sh_video_t *sh_video, double refpts, demux_stream_t *d_dvdsub, int reset)
{
double curpts = refpts - sub_delay;
unsigned char *packet=NULL;
int len;
int type = d_dvdsub->sh ? ((sh_sub_t *)d_dvdsub->sh)->type : 'v';
static subtitle subs;
if (reset) {
sub_clear_text(&subs, MP_NOPTS_VALUE);
if (vo_sub) {
set_osd_subtitle(NULL);
}
if (vo_spudec) {
spudec_reset(vo_spudec);
vo_osd_changed(OSDTYPE_SPU);
}
#ifdef CONFIG_FFMPEG
if (is_av_sub(type))
reset_avsub(d_dvdsub->sh);
#endif
subcc_reset();
}
// find sub
if (subdata) {
if (sub_fps==0) sub_fps = sh_video ? sh_video->fps : 25;
current_module = "find_sub";
if (refpts > sub_last_pts || refpts < sub_last_pts-1.0) {
find_sub(subdata, curpts *
(subdata->sub_uses_time ? 100. : sub_fps));
if (vo_sub) vo_sub_last = vo_sub;
// FIXME! frame counter...
sub_last_pts = refpts;
}
}
// DVD sub:
if (vo_config_count &&
(vobsub_id >= 0 || type == 'v')) {
int timestamp;
current_module = "spudec";
/* Get a sub packet from the DVD or a vobsub */
while(1) {
// Vobsub
len = 0;
if (vo_vobsub) {
if (curpts >= 0) {
len = vobsub_get_packet(vo_vobsub, curpts,
(void**)&packet, ×tamp);
if (len > 0) {
mp_dbg(MSGT_CPLAYER,MSGL_V,"\rVOB sub: len=%d v_pts=%5.3f v_timer=%5.3f sub=%5.3f ts=%d \n",len,refpts,sh_video->timer,timestamp / 90000.0,timestamp);
}
}
} else {
// DVD sub
len = ds_get_packet_sub(d_dvdsub, (unsigned char**)&packet, NULL, NULL);
if (len > 0) {
// XXX This is wrong, sh_video->pts can be arbitrarily
// much behind demuxing position. Unfortunately using
// d_video->pts which would have been the simplest
// improvement doesn't work because mpeg specific hacks
// in video.c set d_video->pts to 0.
float x = d_dvdsub->pts - refpts;
if (x > -20 && x < 20) // prevent missing subs on pts reset
timestamp = 90000*d_dvdsub->pts;
else timestamp = 90000*curpts;
mp_dbg(MSGT_CPLAYER, MSGL_V, "\rDVD sub: len=%d "
"v_pts=%5.3f s_pts=%5.3f ts=%d \n", len,
refpts, d_dvdsub->pts, timestamp);
}
}
if (len<=0 || !packet) break;
// create it only here, since with some broken demuxers we might
// type = v but no DVD sub and we currently do not change the
// "original frame size" ever after init, leading to wrong-sized
// PGS subtitles.
if (!vo_spudec)
vo_spudec = spudec_new(NULL);
if (vo_vobsub || timestamp >= 0)
spudec_assemble(vo_spudec, packet, len, timestamp);
}
} else if (is_text_sub(type) || is_av_sub(type) || type == 'd' || type == 'c') {
int orig_type = type;
double endpts;
if (type == 'd' && !d_dvdsub->demuxer->teletext) {
tt_stream_props tsp = {0};
void *ptr = &tsp;
if (teletext_control(NULL, TV_VBI_CONTROL_START, &ptr) == VBI_CONTROL_TRUE)
d_dvdsub->demuxer->teletext = ptr;
}
if (d_dvdsub->non_interleaved)
ds_get_next_pts(d_dvdsub);
while (1) {
double subpts = curpts;
type = orig_type;
len = ds_get_packet_sub(d_dvdsub, &packet, &subpts, &endpts);
if (len < 0)
break;
if (is_av_sub(type)) {
#ifdef CONFIG_FFMPEG
type = decode_avsub(d_dvdsub->sh, &packet, &len, &subpts, &endpts);
if (type < 0)
mp_msg(MSGT_SPUDEC, MSGL_WARN, "lavc failed decoding subtitle\n");
if (type <= 0)
#endif
continue;
}
if (type == 'm') {
if (len < 2) continue;
len = FFMIN(len - 2, AV_RB16(packet));
packet += 2;
}
if (type == 'd') {
if (d_dvdsub->demuxer->teletext) {
uint8_t *p = packet;
if (len == 3124) { // wtv subtitle-only format
while (len >= 42) {
teletext_control(d_dvdsub->demuxer->teletext,
TV_VBI_CONTROL_DECODE_LINE, p);
p += 42;
len -= 42;
}
return;
}
p++;
len--;
while (len >= 46) {
int sublen = p[1];
if (p[0] == 2 || p[0] == 3)
teletext_control(d_dvdsub->demuxer->teletext,
TV_VBI_CONTROL_DECODE_DVB, p + 2);
p += sublen + 2;
len -= sublen + 2;
}
}
continue;
}
if (type == 'c') {
subcc_process_data(packet, len);
continue;
}
#ifdef CONFIG_ASS
if (ass_enabled) {
sh_sub_t* sh = d_dvdsub->sh;
ass_track = sh ? sh->ass_track : NULL;
if (!ass_track) continue;
if (type == 'a') { // ssa/ass subs with libass
if (len > 10 && memcmp(packet, "Dialogue: ", 10) == 0)
ass_process_data(ass_track, packet, len);
else
ass_process_chunk(ass_track, packet, len,
(long long)(subpts*1000 + 0.5),
(long long)((endpts-subpts)*1000 + 0.5));
} else { // plaintext subs with libass
if (subpts != MP_NOPTS_VALUE) {
subtitle tmp_subs = {0};
if (endpts == MP_NOPTS_VALUE) endpts = subpts + 3;
sub_add_text(&tmp_subs, packet, len, endpts, 0);
tmp_subs.start = subpts * 100;
tmp_subs.end = endpts * 100;
ass_process_subtitle(ass_track, &tmp_subs);
sub_clear_text(&tmp_subs, MP_NOPTS_VALUE);
}
}
continue;
}
#endif
if (subpts != MP_NOPTS_VALUE) {
if (endpts == MP_NOPTS_VALUE)
sub_clear_text(&subs, MP_NOPTS_VALUE);
if (type == 'a') { // ssa/ass subs without libass => convert to plaintext
int i;
unsigned char* p = packet;
int skip_commas = 8;
if (len > 10 && memcmp(packet, "Dialogue: ", 10) == 0)
skip_commas = 9;
for (i=0; i < skip_commas && *p != '\0'; p++)
if (*p == ',')
i++;
if (*p == '\0') /* Broken line? */
continue;
len -= p - packet;
packet = p;
}
if (endpts == MP_NOPTS_VALUE) endpts = subpts + 4;
sub_add_text(&subs, packet, len, endpts, 1);
set_osd_subtitle(&subs);
}
if (d_dvdsub->non_interleaved)
ds_get_next_pts(d_dvdsub);
}
if (sub_clear_text(&subs, curpts))
set_osd_subtitle(&subs);
}
if (vo_spudec) {
spudec_heartbeat(vo_spudec, 90000*curpts);
if (spudec_changed(vo_spudec))
vo_osd_changed(OSDTYPE_SPU);
}
current_module=NULL;
}
