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lavc/movtextdec: only write fontsize, fontID tags if not default

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Signed-off-by: Philip Langdale <philipl@overt.org>
This commit is contained in:
John Stebbins 2020-04-04 11:40:57 -06:00 committed by Philip Langdale
parent d3c012ff42
commit e5b99df096
1 changed files with 11 additions and 9 deletions
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20
libavcodec/movtextdec.c
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@ -51,8 +51,9 @@
#define RGB_TO_BGR(c) (((c) & 0xff) << 16 | ((c) & 0xff00) | (((c) >> 16) & 0xff))
typedef struct {
uint16_t fontID;
char *font;
int fontsize;
uint8_t fontsize;
int color;
int back_color;
uint8_t bold;
@ -146,7 +147,6 @@ static int mov_text_tx3g(AVCodecContext *avctx, MovTextContext *m)
uint8_t *tx3g_ptr = avctx->extradata;
int i, box_size, font_length;
int8_t v_align, h_align;
int style_fontID;
StyleBox s_default;
m->count_f = 0;
@ -192,7 +192,7 @@ static int mov_text_tx3g(AVCodecContext *avctx, MovTextContext *m)
// StyleRecord
tx3g_ptr += 4;
// fontID
style_fontID = AV_RB16(tx3g_ptr);
m->d.fontID = AV_RB16(tx3g_ptr);
tx3g_ptr += 2;
// face-style-flags
s_default.style_flag = *tx3g_ptr++;
@ -252,7 +252,7 @@ static int mov_text_tx3g(AVCodecContext *avctx, MovTextContext *m)
tx3g_ptr = tx3g_ptr + font_length;
}
for (i = 0; i < m->ftab_entries; i++) {
if (style_fontID == m->ftab[i]->fontID)
if (m->d.fontID == m->ftab[i]->fontID)
m->d.font = m->ftab[i]->font;
}
return 0;
@ -385,11 +385,13 @@ static int text_to_ass(AVBPrint *buf, const char *text, const char *text_end,
av_bprintf(buf, "{\\i%d}", m->s[entry]->italic);
if (m->s[entry]->underline ^ m->d.underline)
av_bprintf(buf, "{\\u%d}", m->s[entry]->underline);
av_bprintf(buf, "{\\fs%d}", m->s[entry]->fontsize);
for (i = 0; i < m->ftab_entries; i++) {
if (m->s[entry]->style_fontID == m->ftab[i]->fontID)
av_bprintf(buf, "{\\fn%s}", m->ftab[i]->font);
}
if (m->s[entry]->fontsize != m->d.fontsize)
av_bprintf(buf, "{\\fs%d}", m->s[entry]->fontsize);
if (m->s[entry]->style_fontID != m->d.fontID)
for (i = 0; i < m->ftab_entries; i++) {
if (m->s[entry]->style_fontID == m->ftab[i]->fontID)
av_bprintf(buf, "{\\fn%s}", m->ftab[i]->font);
}
}
if (text_pos == m->s[entry]->style_end) {
if (style_active) {