vector<int> retrieve(string s, string e, string gra) {
int64_t stop = mm[gra];
int64_t sts = read_ts(s, stop);
int64_t ets = read_ts(e, stop) + stop;
vector<int> ans;
for (auto it=idm.lower_bound(sts); it!=idm.end() && it->first<ets; ++it) {
ans.push_back(it->second);
}
return ans;
}
static int srt_decode_frame(AVCodecContext *avctx,
void *data, int *got_sub_ptr, AVPacket *avpkt)
{
AVSubtitle *sub = data;
int ts_start, ts_end, x1 = -1, y1 = -1, x2 = -1, y2 = -1;
char buffer[2048];
const char *ptr = avpkt->data;
const char *end = avpkt->data + avpkt->size;
if (avpkt->size <= 0)
return avpkt->size;
while (ptr < end && *ptr) {
if (avctx->codec->id == CODEC_ID_SRT) {
ptr = read_ts(ptr, &ts_start, &ts_end, &x1, &y1, &x2, &y2);
if (!ptr)
break;
} else {
// Do final divide-by-10 outside rescale to force rounding down.
ts_start = av_rescale_q(avpkt->pts,
avctx->time_base,
(AVRational){1,100});
ts_end = av_rescale_q(avpkt->pts + avpkt->duration,
avctx->time_base,
(AVRational){1,100});
}
ptr = srt_to_ass(avctx, buffer, buffer+sizeof(buffer), ptr,
x1, y1, x2, y2);
ff_ass_add_rect(sub, buffer, ts_start, ts_end-ts_start, 0);
}
*got_sub_ptr = sub->num_rects > 0;
return avpkt->size;
}
static int srt_decode_frame(AVCodecContext *avctx,
void *data, int *got_sub_ptr, AVPacket *avpkt)
{
AVSubtitle *sub = data;
int ts_start, ts_end, x1 = -1, y1 = -1, x2 = -1, y2 = -1;
char buffer[2048];
const char *ptr = avpkt->data;
const char *end = avpkt->data + avpkt->size;
if (avpkt->size <= 0)
return avpkt->size;
ff_ass_init(sub);
while (ptr < end && *ptr) {
ptr = read_ts(ptr, &ts_start, &ts_end, &x1, &y1, &x2, &y2);
if (!ptr)
break;
ptr = srt_to_ass(avctx, buffer, buffer+sizeof(buffer), ptr,
x1, y1, x2, y2);
ff_ass_add_rect(sub, buffer, ts_start, ts_end, 0);
}
*got_sub_ptr = sub->num_rects > 0;
return avpkt->size;
}
static int srt_decode_frame(AVCodecContext *avctx,
void *data, int *got_sub_ptr, AVPacket *avpkt)
{
AVSubtitle *sub = data;
int ts_start, ts_end, x1 = -1, y1 = -1, x2 = -1, y2 = -1;
char buffer[2048];
const char *ptr = avpkt->data;
const char *end = avpkt->data + avpkt->size;
int size;
const uint8_t *p = av_packet_get_side_data(avpkt, AV_PKT_DATA_SUBTITLE_POSITION, &size);
if (p && size == 16) {
x1 = AV_RL32(p );
y1 = AV_RL32(p + 4);
x2 = AV_RL32(p + 8);
y2 = AV_RL32(p + 12);
}
if (avpkt->size <= 0)
return avpkt->size;
while (ptr < end && *ptr) {
if (avctx->codec->id == AV_CODEC_ID_SRT) {
ptr = read_ts(ptr, &ts_start, &ts_end, &x1, &y1, &x2, &y2);
if (!ptr)
break;
} else {
#ifdef IDE_COMPILE
AVRational tmp;
tmp.num = 1;
tmp.den = 100;
// Do final divide-by-10 outside rescale to force rounding down.
ts_start = av_rescale_q(avpkt->pts,
avctx->time_base,
tmp);
ts_end = av_rescale_q(avpkt->pts + avpkt->duration,
avctx->time_base,
tmp);
#else
// Do final divide-by-10 outside rescale to force rounding down.
ts_start = av_rescale_q(avpkt->pts,
avctx->time_base,
(AVRational){1,100});
ts_end = av_rescale_q(avpkt->pts + avpkt->duration,
avctx->time_base,
(AVRational){1,100});
#endif
}
ptr = srt_to_ass(avctx, buffer, buffer+sizeof(buffer), ptr,
x1, y1, x2, y2);
ff_ass_add_rect(sub, buffer, ts_start, ts_end-ts_start, 0);
}
*got_sub_ptr = sub->num_rects > 0;
return avpkt->size;
}
CSubtitle* CSubtitleWebvttReader::ReadSubTitle(CSubtitleText *reader)
{
int64_t start, stop;
CSubtitle *subtitle = new CSubtitle();
CSubtitleItem *item = NULL;
for(;;)
{
wchar_t *text = reader->ReadLine();
if (text == NULL) break;
start = read_ts(text);
if (start == -1) continue;
text = wcsstr(text, L"-->");
if (text == NULL) continue;
stop = read_ts(text);
if (stop == -1) continue;
int32_t i = 0;
if (item == NULL) item = subtitle->NewItem();
item->m_StartTime = start;
item->m_Duration = stop - start;
for(;;)
{
text = reader->ReadLine();
if (text == NULL) break;
if (*text == NULL) break;
item->AddLine(text);
}
if (item->m_Count)
{
item = NULL;
}
}
if (item) subtitle->DeleteItem(item->m_index);
if (subtitle->m_Count) return subtitle;
delete subtitle;
return NULL;
}
static int pjs_read_header(AVFormatContext *s)
{
PJSContext *pjs = s->priv_data;
AVStream *st = avformat_new_stream(s, NULL);
int res = 0;
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 64, 1, 10);
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_id = AV_CODEC_ID_PJS;
while (!avio_feof(s->pb)) {
char line[4096];
char *p = line;
const int64_t pos = avio_tell(s->pb);
int len = ff_get_line(s->pb, line, sizeof(line));
int64_t pts_start;
int duration;
if (!len)
break;
line[strcspn(line, "\r\n")] = 0;
pts_start = read_ts(&p, &duration);
if (pts_start != AV_NOPTS_VALUE) {
AVPacket *sub;
p[strcspn(p, "\"")] = 0;
sub = ff_subtitles_queue_insert(&pjs->q, p, strlen(p), 0);
if (!sub)
return AVERROR(ENOMEM);
sub->pos = pos;
sub->pts = pts_start;
sub->duration = duration;
}
}
ff_subtitles_queue_finalize(&pjs->q);
return res;
}
static int subviewer_read_header(AVFormatContext *s)
{
SubViewerContext *subviewer = s->priv_data;
AVStream *st = avformat_new_stream(s, NULL);
AVBPrint header;
int res = 0, new_event = 1;
int64_t pts_start = AV_NOPTS_VALUE;
int duration = -1;
AVPacket *sub = NULL;
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 64, 1, 100);
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_id = AV_CODEC_ID_SUBVIEWER;
av_bprint_init(&header, 0, AV_BPRINT_SIZE_UNLIMITED);
while (!avio_feof(s->pb)) {
char line[2048];
int64_t pos = 0;
int len = ff_get_line(s->pb, line, sizeof(line));
if (!len)
break;
line[strcspn(line, "\r\n")] = 0;
if (line[0] == '[' && strncmp(line, "[br]", 4)) {
/* ignore event style, XXX: add to side_data? */
if (strstr(line, "[COLF]") || strstr(line, "[SIZE]") ||
strstr(line, "[FONT]") || strstr(line, "[STYLE]"))
continue;
if (!st->codec->extradata) { // header not finalized yet
av_bprintf(&header, "%s\n", line);
if (!strncmp(line, "[END INFORMATION]", 17) || !strncmp(line, "[SUBTITLE]", 10)) {
/* end of header */
res = avpriv_bprint_to_extradata(st->codec, &header);
if (res < 0)
goto end;
} else if (strncmp(line, "[INFORMATION]", 13)) {
/* assume file metadata at this point */
int i, j = 0;
char key[32], value[128];
for (i = 1; i < sizeof(key) - 1 && line[i] && line[i] != ']'; i++)
key[i - 1] = av_tolower(line[i]);
key[i - 1] = 0;
if (line[i] == ']')
i++;
while (line[i] == ' ')
i++;
while (j < sizeof(value) - 1 && line[i] && line[i] != ']')
value[j++] = line[i++];
value[j] = 0;
av_dict_set(&s->metadata, key, value, 0);
}
}
} else if (read_ts(line, &pts_start, &duration) >= 0) {
new_event = 1;
pos = avio_tell(s->pb);
} else if (*line) {
if (!new_event) {
sub = ff_subtitles_queue_insert(&subviewer->q, "\n", 1, 1);
if (!sub) {
res = AVERROR(ENOMEM);
goto end;
}
}
sub = ff_subtitles_queue_insert(&subviewer->q, line, strlen(line), !new_event);
if (!sub) {
res = AVERROR(ENOMEM);
goto end;
}
if (new_event) {
sub->pos = pos;
sub->pts = pts_start;
sub->duration = duration;
}
new_event = 0;
}
}
ff_subtitles_queue_finalize(&subviewer->q);
end:
av_bprint_finalize(&header, NULL);
return res;
}
static int jacosub_read_header(AVFormatContext *s)
{
AVBPrint header;
AVIOContext *pb = s->pb;
char line[JSS_MAX_LINESIZE];
JACOsubContext *jacosub = s->priv_data;
int shift_set = 0; // only the first shift matters
int merge_line = 0;
int i, ret;
AVStream *st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 64, 1, 100);
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_id = AV_CODEC_ID_JACOSUB;
jacosub->timeres = 30;
av_bprint_init(&header, 1024+FF_INPUT_BUFFER_PADDING_SIZE, 4096);
while (!avio_feof(pb)) {
int cmd_len;
const char *p = line;
int64_t pos = avio_tell(pb);
int len = ff_get_line(pb, line, sizeof(line));
p = jss_skip_whitespace(p);
/* queue timed line */
if (merge_line || timed_line(p)) {
AVPacket *sub;
sub = ff_subtitles_queue_insert(&jacosub->q, line, len, merge_line);
if (!sub)
return AVERROR(ENOMEM);
sub->pos = pos;
merge_line = len > 1 && !strcmp(&line[len - 2], "\\\n");
continue;
}
/* skip all non-compiler commands and focus on the command */
if (*p != '#')
continue;
p++;
i = get_jss_cmd(p[0]);
if (i == -1)
continue;
/* trim command + spaces */
cmd_len = strlen(cmds[i]);
if (av_strncasecmp(p, cmds[i], cmd_len) == 0)
p += cmd_len;
else
p++;
p = jss_skip_whitespace(p);
/* handle commands which affect the whole script */
switch (cmds[i][0]) {
case 'S': // SHIFT command affect the whole script...
if (!shift_set) {
jacosub->shift = get_shift(jacosub->timeres, p);
shift_set = 1;
}
av_bprintf(&header, "#S %s", p);
break;
case 'T': // ...but must be placed after TIMERES
jacosub->timeres = strtol(p, NULL, 10);
if (!jacosub->timeres)
jacosub->timeres = 30;
else
av_bprintf(&header, "#T %s", p);
break;
}
}
/* general/essential directives in the extradata */
ret = avpriv_bprint_to_extradata(st->codec, &header);
if (ret < 0)
return ret;
/* SHIFT and TIMERES affect the whole script so packet timing can only be
* done in a second pass */
for (i = 0; i < jacosub->q.nb_subs; i++) {
AVPacket *sub = &jacosub->q.subs[i];
read_ts(jacosub, sub->data, &sub->pts, &sub->duration);
}
ff_subtitles_queue_finalize(&jacosub->q);
return 0;
}
static int realtext_read_header(AVFormatContext *s)
{
RealTextContext *rt = s->priv_data;
AVStream *st = avformat_new_stream(s, NULL);
AVBPrint buf;
char c = 0;
int res = 0, duration = read_ts("60"); // default duration is 60 seconds
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 64, 1, 100);
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_id = AV_CODEC_ID_REALTEXT;
av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
while (!url_feof(s->pb)) {
AVPacket *sub;
const int64_t pos = avio_tell(s->pb) - (c != 0);
int n = ff_smil_extract_next_chunk(s->pb, &buf, &c);
if (n == 0)
break;
if (!av_strncasecmp(buf.str, "<window", 7)) {
/* save header to extradata */
const char *p = ff_smil_get_attr_ptr(buf.str, "duration");
if (p)
duration = read_ts(p);
st->codec->extradata = av_strdup(buf.str);
if (!st->codec->extradata) {
res = AVERROR(ENOMEM);
goto end;
}
st->codec->extradata_size = buf.len + 1;
} else {
/* if we just read a <time> tag, introduce a new event, otherwise merge
* with the previous one */
int merge = !av_strncasecmp(buf.str, "<time", 5) ? 0 : 1;
sub = ff_subtitles_queue_insert(&rt->q, buf.str, buf.len, merge);
if (!sub) {
res = AVERROR(ENOMEM);
goto end;
}
if (!merge) {
const char *begin = ff_smil_get_attr_ptr(buf.str, "begin");
const char *end = ff_smil_get_attr_ptr(buf.str, "end");
sub->pos = pos;
sub->pts = begin ? read_ts(begin) : 0;
sub->duration = end ? (read_ts(end) - sub->pts) : duration;
}
}
av_bprint_clear(&buf);
}
ff_subtitles_queue_finalize(&rt->q);
end:
av_bprint_finalize(&buf, NULL);
return res;
}
static int lrc_read_header(AVFormatContext *s)
{
LRCContext *lrc = s->priv_data;
AVBPrint line;
AVStream *st;
st = avformat_new_stream(s, NULL);
if(!st) {
return AVERROR(ENOMEM);
}
avpriv_set_pts_info(st, 64, 1, 1000);
lrc->ts_offset = 0;
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_id = AV_CODEC_ID_TEXT;
av_bprint_init(&line, 0, AV_BPRINT_SIZE_UNLIMITED);
while(!url_feof(s->pb)) {
int64_t pos = read_line(&line, s->pb);
int64_t header_offset = find_header(line.str);
if(header_offset >= 0) {
char *comma_offset = strchr(line.str, ':');
if(comma_offset) {
char *right_bracket_offset = strchr(line.str, ']');
if(!right_bracket_offset) {
continue;
}
*right_bracket_offset = *comma_offset = '\0';
if(strcmp(line.str + 1, "offset") ||
sscanf(comma_offset + 1, "%"SCNd64, &lrc->ts_offset) != 1) {
av_dict_set(&s->metadata, line.str + 1, comma_offset + 1, 0);
}
*comma_offset = ':';
*right_bracket_offset = ']';
}
} else {
AVPacket *sub;
int64_t ts_start = AV_NOPTS_VALUE;
int64_t ts_stroffset = 0;
int64_t ts_stroffset_incr = 0;
int64_t ts_strlength = count_ts(line.str);
while((ts_stroffset_incr = read_ts(line.str + ts_stroffset,
&ts_start)) != 0) {
ts_stroffset += ts_stroffset_incr;
sub = ff_subtitles_queue_insert(&lrc->q, line.str + ts_strlength,
line.len - ts_strlength, 0);
if(!sub) {
return AVERROR(ENOMEM);
}
sub->pos = pos;
sub->pts = ts_start - lrc->ts_offset;
sub->duration = -1;
}
}
}
ff_subtitles_queue_finalize(&lrc->q);
ff_metadata_conv_ctx(s, NULL, ff_lrc_metadata_conv);
return 0;
}
CSubtitle* CSubtitleRealTextReader::ReadSubTitle(CSubtitleText *reader)
{
wchar_t Buffer[MAX_SUBTITLE_LINE_SIZE];
CSubtitle *subtitle = new CSubtitle();
for(;;)
{
wchar_t *line = reader->ReadLine();
if (line == NULL) break;
line = StrIStr(line, L"<time ");
if (line == NULL) continue;
line += 6;
wchar_t *begin = StrIStr(line, L"Begin=\"");
if (begin == NULL) continue;
int64_t start = read_ts(begin);
wchar_t *end = StrIStr(line, L"end=\"");
int64_t stop = end ? read_ts(end) : 0;
line = StrIStr(line, L">");
int32_t skip = 0;
int32_t i = 0;
for(wchar_t *p = line; *p; p++)
{
if(*p == '>')
{
skip = 0;
continue;
}
if(*p == '<')
{
skip = 1;
continue;
}
if(skip)
{
continue;
}
if (i < MAX_SUBTITLE_LINE_SIZE - 1)
{
Buffer[i] = *p;
i++;
}
}
if (i)
{
Buffer[i] = 0;
CSubtitleItem *item = subtitle->NewItem();
item->AddLine(Buffer);
item->m_StartTime = start;
item->m_Duration = stop;
}
}
if (subtitle->m_Count) return subtitle;
delete subtitle;
return NULL;
}
static int ass_read_header(AVFormatContext *s)
{
ASSContext *ass = s->priv_data;
AVBPrint header, line;
int header_remaining, res = 0;
AVStream *st;
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 64, 1, 100);
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_id = AV_CODEC_ID_SSA;
header_remaining = INT_MAX;
av_bprint_init(&header, 0, AV_BPRINT_SIZE_UNLIMITED);
av_bprint_init(&line, 0, AV_BPRINT_SIZE_UNLIMITED);
for (;;) {
int64_t pos = get_line(&line, s->pb);
if (!line.str[0]) // EOF
break;
if (!memcmp(line.str, "[Events]", 8))
header_remaining = 2;
else if (line.str[0] == '[')
header_remaining = INT_MAX;
if (header_remaining) {
av_bprintf(&header, "%s", line.str);
header_remaining--;
} else {
int64_t ts_start = AV_NOPTS_VALUE;
int duration = -1;
AVPacket *sub;
if (read_ts(line.str, &ts_start, &duration) < 0)
continue;
sub = ff_subtitles_queue_insert(&ass->q, line.str, line.len, 0);
if (!sub) {
res = AVERROR(ENOMEM);
goto end;
}
sub->pos = pos;
sub->pts = ts_start;
sub->duration = duration;
}
}
av_bprint_finalize(&line, NULL);
res = avpriv_bprint_to_extradata(st->codec, &header);
if (res < 0)
goto end;
ff_subtitles_queue_finalize(&ass->q);
end:
return res;
}
static void
ts_scan(cyg_addrword_t param)
{
short lastX, lastY;
short x, y;
struct _event *ev;
bool pen_down;
diag_printf("Touch Screen thread started\n");
// Discard the first sample - it's always 0
x = read_ts(ADS_MEASURE_X);
y = read_ts(ADS_MEASURE_Y);
lastX = lastY = -1;
pen_down = false;
while (true) {
cyg_thread_delay(SCAN_DELAY);
if ((*(volatile cyg_uint32 *)AAEC_PFDR & TS_INT) == 0) {
// Pen is down
x = read_ts(ADS_MEASURE_X);
y = read_ts(ADS_MEASURE_Y);
// diag_printf("X = %x, Y = %x\n", x, y);
if ((x < X_THRESHOLD) || (y < Y_THRESHOLD)) {
// Ignore 'bad' samples
continue;
}
lastX = x; lastY = y;
pen_down = true;
} else {
if (pen_down) {
// Capture first 'up' event
pen_down = false;
x = lastX;
y = lastY;
} else {
continue; // Nothing new to report
}
}
if (num_events < MAX_EVENTS) {
num_events++;
ev = &_events[_event_put++];
if (_event_put == MAX_EVENTS) {
_event_put = 0;
}
ev->button_state = pen_down ? 0x04 : 0x00;
ev->xPos = x;
ev->yPos = y;
if (ts_select_active) {
ts_select_active = false;
cyg_selwakeup(&ts_select_info);
}
}
#ifdef DEBUG_RAW_EVENTS
memcpy(&_ts_buf[_ts_buf_ptr], pkt->data, 8);
_ts_buf_ptr += 8;
if (_ts_buf_ptr == 512) {
diag_printf("TS handler\n");
diag_dump_buf(_ts_buf, 512);
_ts_buf_ptr = 0;
}
#endif
}
}
static int webvtt_read_header(AVFormatContext *s)
{
WebVTTContext *webvtt = s->priv_data;
AVBPrint header, cue;
int res = 0;
AVStream *st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 64, 1, 1000);
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_id = AV_CODEC_ID_WEBVTT;
av_bprint_init(&header, 0, AV_BPRINT_SIZE_UNLIMITED);
av_bprint_init(&cue, 0, AV_BPRINT_SIZE_UNLIMITED);
for (;;) {
int i;
int64_t pos;
AVPacket *sub;
const char *p, *identifier;
//const char *settings = NULL;
int64_t ts_start, ts_end;
ff_subtitles_read_chunk(s->pb, &cue);
if (!cue.len)
break;
p = identifier = cue.str;
pos = avio_tell(s->pb);
/* ignore header chunk */
if (!strncmp(p, "\xEF\xBB\xBFWEBVTT", 9) ||
!strncmp(p, "WEBVTT", 6))
continue;
/* optional cue identifier (can be a number like in SRT or some kind of
* chaptering id), silently skip it */
for (i = 0; p[i] && p[i] != '\n'; i++) {
if (!strncmp(p + i, "-->", 3)) {
identifier = NULL;
break;
}
}
if (identifier)
p += strcspn(p, "\n");
/* cue timestamps */
if ((ts_start = read_ts(p)) == AV_NOPTS_VALUE)
break;
if (!(p = strstr(p, "-->")))
break;
p += 3;
do p++; while (*p == ' ' || *p == '\t');
if ((ts_end = read_ts(p)) == AV_NOPTS_VALUE)
break;
/* optional cue settings, TODO: store in side_data */
p += strcspn(p, "\n\t ");
while (*p == '\t' || *p == ' ')
p++;
if (*p != '\n') {
//settings = p;
p += strcspn(p, "\n");
}
if (*p == '\n')
p++;
/* create packet */
sub = ff_subtitles_queue_insert(&webvtt->q, p, strlen(p), 0);
if (!sub) {
res = AVERROR(ENOMEM);
goto end;
}
sub->pos = pos;
sub->pts = ts_start;
sub->duration = ts_end - ts_start;
}
ff_subtitles_queue_finalize(&webvtt->q);
end:
av_bprint_finalize(&cue, NULL);
av_bprint_finalize(&header, NULL);
return res;
}
static int jacosub_read_header(AVFormatContext *s)
{
AVBPrint header;
AVIOContext *pb = s->pb;
char line[JSS_MAX_LINESIZE];
JACOsubContext *jacosub = s->priv_data;
int shift_set = 0; // only the first shift matters
int merge_line = 0;
int i;
AVStream *st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 64, 1, 100);
st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codec->codec_id = CODEC_ID_JACOSUB;
jacosub->timeres = 30;
av_bprint_init(&header, 1024+FF_INPUT_BUFFER_PADDING_SIZE, 4096);
while (!url_feof(pb)) {
int cmd_len;
const char *p = line;
int64_t pos = avio_tell(pb);
ff_get_line(pb, line, sizeof(line));
p = jss_skip_whitespace(p);
/* queue timed line */
if (merge_line || timed_line(p)) {
SubEntry *subs, *sub;
const int len = strlen(line);
if (merge_line) {
char *tmp;
const int old_len = strlen(sub->line);
sub = &subs[jacosub->nsub];
tmp = av_realloc(sub->line, old_len + len + 1);
if (!tmp)
return AVERROR(ENOMEM);
sub->line = tmp;
strcpy(sub->line + old_len, line);
} else {
subs = av_realloc(jacosub->subs,
sizeof(*jacosub->subs) * (jacosub->nsub+1));
if (!subs)
return AVERROR(ENOMEM);
jacosub->subs = subs;
sub = &subs[jacosub->nsub];
sub->pos = pos;
sub->line = av_strdup(line);
if (!sub->line)
return AVERROR(ENOMEM);
}
merge_line = len > 1 && !strcmp(&line[len - 2], "\\\n");
if (!merge_line)
jacosub->nsub++;
continue;
}
/* skip all non-compiler commands and focus on the command */
if (*p != '#')
continue;
p++;
i = get_jss_cmd(p[0]);
if (i == -1)
continue;
/* trim command + spaces */
cmd_len = strlen(cmds[i]);
if (av_strncasecmp(p, cmds[i], cmd_len) == 0)
p += cmd_len;
else
p++;
p = jss_skip_whitespace(p);
/* handle commands which affect the whole script */
switch (cmds[i][0]) {
case 'S': // SHIFT command affect the whole script...
if (!shift_set) {
jacosub->shift = get_shift(jacosub->timeres, p);
shift_set = 1;
}
av_bprintf(&header, "#S %s", p);
break;
case 'T': // ...but must be placed after TIMERES
jacosub->timeres = strtol(p, NULL, 10);
av_bprintf(&header, "#T %s", p);
break;
}
}
/* general/essential directives in the extradata */
av_bprint_finalize(&header, (char **)&st->codec->extradata);
st->codec->extradata_size = header.len + 1;
/* SHIFT and TIMERES affect the whole script so packet timing can only be
* done in a second pass */
for (i = 0; i < jacosub->nsub; i++) {
SubEntry *sub = &jacosub->subs[i];
read_ts(jacosub, sub->line, &sub->start, &sub->end);
}
qsort(jacosub->subs, jacosub->nsub, sizeof(*jacosub->subs), cmp_timed_sub);
return 0;
}
void put(int id, string timestamp) {
int64_t ts = read_ts(timestamp, 1LL);
idm[ts] = id;
}
