diff options
| -rw-r--r-- | libmpdemux/demux_gif.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/libmpdemux/demux_gif.c b/libmpdemux/demux_gif.c index d652e86db4..b246b6740d 100644 --- a/libmpdemux/demux_gif.c +++ b/libmpdemux/demux_gif.c @@ -167,8 +167,26 @@ static int demux_gif_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds) priv->palette[(y * 4) + 3] = 0; } - memcpy_transp_pic(dest, buf, w, h, priv->w, gif->Image.Width, - transparency, transparent_col); + if (gif->Image.Interlace) { + uint8_t *s = buf; + memcpy_transp_pic(dest, s, w, h >> 3, + priv->w << 3, gif->Image.Width, + transparency, transparent_col); + s += (h >> 3) * w; + memcpy_transp_pic(dest + (gif->Image.Width << 2), s, w, h >> 3, + priv->w << 3, gif->Image.Width, + transparency, transparent_col); + s += (h >> 3) * w; + memcpy_transp_pic(dest + (gif->Image.Width << 1), s, w, h >> 2, + priv->w << 2, gif->Image.Width, + transparency, transparent_col); + s += (h >> 2) * w; + memcpy_transp_pic(dest + gif->Image.Width, s, w, h >> 1, + priv->w << 1, gif->Image.Width, + transparency, transparent_col); + } else + memcpy_transp_pic(dest, buf, w, h, priv->w, gif->Image.Width, + transparency, transparent_col); if (refmode == 1) memcpy(priv->refimg, dp->buffer, priv->w * priv->h); if (refmode == 2 && priv->useref) { |