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Code Issues Releases Activity

avfilter/vf_drawtext: fix resource leak

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Leandro Santiago 2014-07-02 09:39:50 -03:00 committed by Michael Niedermayer
parent a3c479fc49
commit 4582e1162a
1 changed files with 7 additions and 4 deletions
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11
libavfilter/vf_drawtext.c
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@ -262,6 +262,7 @@ struct ft_error
typedef struct Glyph {
FT_Glyph *glyph;
FT_Glyph border_glyph;
uint32_t code;
FT_Bitmap bitmap; ///< array holding bitmaps of font
FT_Bitmap border_bitmap; ///< array holding bitmaps of font border
@ -306,13 +307,13 @@ static int load_glyph(AVFilterContext *ctx, Glyph **glyph_ptr, uint32_t code)
goto error;
}
if (s->borderw) {
FT_Glyph border_glyph = *glyph->glyph;
if (FT_Glyph_StrokeBorder(&border_glyph, s->stroker, 0, 0) ||
FT_Glyph_To_Bitmap(&border_glyph, FT_RENDER_MODE_NORMAL, 0, 1)) {
glyph->border_glyph = *glyph->glyph;
if (FT_Glyph_StrokeBorder(&glyph->border_glyph, s->stroker, 0, 0) ||
FT_Glyph_To_Bitmap(&glyph->border_glyph, FT_RENDER_MODE_NORMAL, 0, 1)) {
ret = AVERROR_EXTERNAL;
goto error;
}
bitmapglyph = (FT_BitmapGlyph) border_glyph;
bitmapglyph = (FT_BitmapGlyph) glyph->border_glyph;
glyph->border_bitmap = bitmapglyph->bitmap;
}
if (FT_Glyph_To_Bitmap(glyph->glyph, FT_RENDER_MODE_NORMAL, 0, 1)) {
@ -343,6 +344,7 @@ static int load_glyph(AVFilterContext *ctx, Glyph **glyph_ptr, uint32_t code)
error:
if (glyph)
av_freep(&glyph->glyph);
av_freep(&glyph);
av_freep(&node);
return ret;
@ -584,6 +586,7 @@ static int glyph_enu_free(void *opaque, void *elem)
Glyph *glyph = elem;
FT_Done_Glyph(*glyph->glyph);
FT_Done_Glyph(glyph->border_glyph);
av_freep(&glyph->glyph);
av_free(elem);
return 0;