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movtextdec.c: Add support for fontsize

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Add support for fontsize in style records. The patch uses reset to
directly change back to default style instead of using closing tags,
since we are not handling the default styles right now.

Signed-off-by: Niklesh <niklesh.lalwani@iitb.ac.in>
This commit is contained in:
Niklesh 2015-07-24 14:35:16 +05:30 committed by Philip Langdale
parent 7106dfd945
commit f21fcf60ec
1 changed files with 6 additions and 8 deletions
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14
libavcodec/movtextdec.c
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@ -39,6 +39,7 @@ typedef struct {
uint16_t style_start;
uint16_t style_end;
uint8_t style_flag;
uint8_t fontsize;
} StyleBox;
typedef struct {
@ -120,13 +121,14 @@ static int decode_styl(const uint8_t *tsmb, MovTextContext *m, AVPacket *avpkt)
// fontID = AV_RB16(tsmb);
tsmb += 2;
m->s_temp->style_flag = AV_RB8(tsmb);
tsmb++;
m->s_temp->fontsize = AV_RB8(tsmb);
av_dynarray_add(&m->s, &m->count_s, m->s_temp);
if(!m->s) {
mov_text_cleanup(m);
return AVERROR(ENOMEM);
}
// fontsize = AV_RB8(tsmb);
tsmb += 2;
tsmb++;
// text-color-rgba
tsmb += 4;
}
@ -150,12 +152,7 @@ static int text_to_ass(AVBPrint *buf, const char *text, const char *text_end,
if (m->box_flags & STYL_BOX) {
for (i = 0; i < m->style_entries; i++) {
if (m->s[i]->style_flag && text_pos == m->s[i]->style_end) {
if (m->s[i]->style_flag & STYLE_FLAG_BOLD)
av_bprintf(buf, "{\\b0}");
if (m->s[i]->style_flag & STYLE_FLAG_ITALIC)
av_bprintf(buf, "{\\i0}");
if (m->s[i]->style_flag & STYLE_FLAG_UNDERLINE)
av_bprintf(buf, "{\\u0}");
av_bprintf(buf, "{\\r}");
}
}
for (i = 0; i < m->style_entries; i++) {
@ -166,6 +163,7 @@ static int text_to_ass(AVBPrint *buf, const char *text, const char *text_end,
av_bprintf(buf, "{\\i1}");
if (m->s[i]->style_flag & STYLE_FLAG_UNDERLINE)
av_bprintf(buf, "{\\u1}");
av_bprintf(buf, "{\\fs%d}", m->s[i]->fontsize);
}
}
}