highperfocused/ffmpeg
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Always write all colours for animated gif files, including transparent ones.

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This fixes the colour of the transparent background (as seen with ffplay),
and makes the background of some non-keyframes transparent that was
incorrectly shown as opaque for some samples.
This commit is contained in:
Carl Eugen Hoyos 2012-12-20 23:05:42 +01:00
parent 9321e93502
commit d4fdaafdb7
1 changed files with 3 additions and 2 deletions
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3
libavcodec/gifdec.c
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@ -241,8 +241,9 @@ static int gif_read_image(GifState *s)
pr = ptr + width; pr = ptr + width;
for (px = ptr, idx = s->idx_line; px < pr; px++, idx++) { for (px = ptr, idx = s->idx_line; px < pr; px++, idx++) {
if (*idx != s->transparent_color_index)
*px = pal[*idx]; *px = pal[*idx];
if (*idx == s->transparent_color_index)
*px &= 0xFFFFFF;
} }
if (is_interleaved) { if (is_interleaved) {