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fixed gifs with alpha

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This commit is contained in:
John Preston 2015-12-28 16:36:15 +03:00
parent fb7a48ec19
commit d966eebb7c
1 changed files with 2 additions and 4 deletions
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6
Telegram/SourceFiles/gui/animation.cpp
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@ -564,14 +564,14 @@ public:
if (to.isNull() || to.size() != toSize) {
to = QImage(toSize, QImage::Format_ARGB32);
}
if (_frame->width == toSize.width() && _frame->height == toSize.height() && (_frame->format == AV_PIX_FMT_BGRA || (_frame->format == -1 && _codecContext->pix_fmt == AV_PIX_FMT_BGRA))) {
hasAlpha = (_frame->format == AV_PIX_FMT_BGRA || (_frame->format == -1 && _codecContext->pix_fmt == AV_PIX_FMT_BGRA));
if (_frame->width == toSize.width() && _frame->height == toSize.height() && hasAlpha) {
int32 sbpl = _frame->linesize[0], dbpl = to.bytesPerLine(), bpl = qMin(sbpl, dbpl);
uchar *s = _frame->data[0], *d = to.bits();
for (int32 i = 0, l = _frame->height; i < l; ++i) {
memcpy(d + i * dbpl, s + i * sbpl, bpl);
}
hasAlpha = true;
} else {
if ((_swsSize != toSize) || (_frame->format != -1 && _frame->format != _codecContext->pix_fmt) || !_swsContext) {
_swsSize = toSize;
@ -583,8 +583,6 @@ public:
LOG(("Gif Error: Unable to sws_scale to good size %1, height %2, should be %3").arg(logData()).arg(res).arg(_swsSize.height()));
return false;
}
hasAlpha = false;
}
int64 duration = av_frame_get_pkt_duration(_frame);