Improve cropping for videos a bit.

Partially fixes #25061 for videos as well.

Telegram/SourceFiles/history/view/media/history_view_gif.cpp

@@ -166,6 +166,9 @@ QSize Gif::countOptimalSize() {
 			maxWidth = qMax(maxWidth, st::msgPadding.left()
 				+ _caption.maxWidth()
 				+ st::msgPadding.right());
+			minHeight = adjustHeightForLessCrop(
+				scaled,
+				{ maxWidth, minHeight });
 			minHeight += st::mediaCaptionSkip + _caption.minHeight();
 			if (isBubbleBottom()) {
 				minHeight += st::msgPadding.bottom();
@@ -209,6 +212,9 @@ QSize Gif::countCurrentSize(int newWidth) {
 					+ _caption.maxWidth()
 					+ st::msgPadding.right()));
 			newWidth = qMin(qMax(newWidth, maxWithCaption), thumbMaxWidth);
+			newHeight = adjustHeightForLessCrop(
+				scaled,
+				{ newWidth, newHeight });
 			const auto captionw = newWidth
 				- st::msgPadding.left()
 				- st::msgPadding.right();
@@ -242,6 +248,19 @@ QSize Gif::countCurrentSize(int newWidth) {
 	return { newWidth, newHeight };
 }
 
+int Gif::adjustHeightForLessCrop(QSize dimensions, QSize current) const {
+	if (dimensions.isEmpty()) {
+		return current.height();
+	}
+	// Allow some more vertical space for less cropping,
+	// but not more than 1.33 * existing height.
+	return qMax(
+		current.height(),
+		qMin(
+			current.width() * dimensions.height() / dimensions.width(),
+			current.height() * 4 / 3));
+}
+
 QSize Gif::videoSize() const {
 	if (const auto streamed = activeCurrentStreamed()) {
 		return streamed->player().videoSize();

Telegram/SourceFiles/history/view/media/history_view_gif.h

@@ -120,6 +120,9 @@ private:
 
 	void validateVideoThumbnail() const;
 	[[nodiscard]] QSize countThumbSize(int &inOutWidthMax) const;
+	[[nodiscard]] int adjustHeightForLessCrop(
+		QSize dimensions,
+		QSize current) const;
 
 	float64 dataProgress() const override;
 	bool dataFinished() const override;

Telegram/SourceFiles/history/view/media/history_view_photo.cpp

@@ -169,14 +169,9 @@ QSize Photo::countOptimalSize() {
 			(st::msgPadding.left()
 				+ _caption.maxWidth()
 				+ st::msgPadding.right()));
-		if (!dimensions.isEmpty()
-			&& ::Media::Streaming::FrameResizeMayExpand(
-				{ maxWidth, minHeight },
-				dimensions)) {
-			minHeight = qMax(
-				minHeight,
-				maxWidth * dimensions.height() / dimensions.width());
-		}
+		minHeight = adjustHeightForLessCrop(
+			dimensions,
+			{ maxWidth, minHeight });
 		minHeight += st::mediaCaptionSkip + _caption.minHeight();
 		if (isBubbleBottom()) {
 			minHeight += st::msgPadding.bottom();
@@ -210,14 +205,9 @@ QSize Photo::countCurrentSize(int newWidth) {
 				+ _caption.maxWidth()
 				+ st::msgPadding.right()));
 		newWidth = qMin(qMax(newWidth, maxWithCaption), thumbMaxWidth);
-		if (!dimensions.isEmpty()
-			&& ::Media::Streaming::FrameResizeMayExpand(
-				{ newWidth, newHeight },
-				dimensions)) {
-			newHeight = qMax(
-				newHeight,
-				newWidth * dimensions.height() / dimensions.width());
-		}
+		newHeight = adjustHeightForLessCrop(
+			dimensions,
+			{ newWidth, newHeight });
 		const auto captionw = newWidth
 			- st::msgPadding.left()
 			- st::msgPadding.right();
@@ -229,6 +219,16 @@ QSize Photo::countCurrentSize(int newWidth) {
 	return { newWidth, newHeight };
 }
 
+int Photo::adjustHeightForLessCrop(QSize dimensions, QSize current) const {
+	if (dimensions.isEmpty()
+		|| !::Media::Streaming::FrameResizeMayExpand(current, dimensions)) {
+		return current.height();
+	}
+	return qMax(
+		current.height(),
+		current.width() * dimensions.height() / dimensions.width());
+}
+
 void Photo::draw(Painter &p, const PaintContext &context) const {
 	if (width() < st::msgPadding.left() + st::msgPadding.right() + 1) return;
 

Telegram/SourceFiles/history/view/media/history_view_photo.h

@@ -116,6 +116,9 @@ private:
 
 	QSize countOptimalSize() override;
 	QSize countCurrentSize(int newWidth) override;
+	[[nodiscard]] int adjustHeightForLessCrop(
+		QSize dimensions,
+		QSize current) const;
 
 	bool needInfoDisplay() const;
 	void validateGroupedCache(