@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2023-02-09
API changes, most recent first:
+2023-12-xx - xxxxxxxxxxx - lavu 58.33.100 - imgutils.h
+ Add av_image_fill_color()
+
2023-11-08 - b82957a66a7 - lavu 58.32.100 - channel_layout.h
Add AV_CH_LAYOUT_7POINT2POINT3 and AV_CHANNEL_LAYOUT_7POINT2POINT3.
Add AV_CH_LAYOUT_9POINT1POINT4_BACK and AV_CHANNEL_LAYOUT_9POINT1POINT4_BACK.
@@ -579,7 +579,7 @@ static void memset_bytes(uint8_t *dst, size_t dst_size, uint8_t *clear,
// if it's a subsampled packed format).
#define MAX_BLOCK_SIZE 32
-static int image_fill_color(uint8_t * const dst_data[4], const ptrdiff_t dst_linesize[4],
+int av_image_fill_color(uint8_t * const dst_data[4], const ptrdiff_t dst_linesize[4],
enum AVPixelFormat pix_fmt, const uint32_t color[4],
int width, int height)
{
@@ -713,5 +713,5 @@ int av_image_fill_black(uint8_t * const dst_data[4], const ptrdiff_t dst_linesiz
colors[c] = color;
}
- return image_fill_color(dst_data, dst_linesize, pix_fmt, colors, width, height);
+ return av_image_fill_color(dst_data, dst_linesize, pix_fmt, colors, width, height);
}
@@ -339,6 +339,36 @@ int av_image_fill_black(uint8_t * const dst_data[4], const ptrdiff_t dst_linesiz
enum AVPixelFormat pix_fmt, enum AVColorRange range,
int width, int height);
+/**
+ * Overwrite the image data with a color. This is suitable for filling a
+ * sub-rectangle of an image, meaning the padding between the right most pixel
+ * and the left most pixel on the next line will not be overwritten. For some
+ * formats, the image size might be rounded up due to inherent alignment.
+ *
+ * If the pixel format has alpha, it is also replaced. Color component values
+ * are interpreted as native integers (or intfloats) regardless of actual pixel
+ * format endianness.
+ *
+ * This can return an error if the pixel format is not supported. Normally, all
+ * non-hwaccel pixel formats should be supported.
+ *
+ * Passing NULL for dst_data is allowed. Then the function returns whether the
+ * operation would have succeeded. (It can return an error if the pix_fmt is
+ * not supported.)
+ *
+ * @param dst_data data pointers to destination image
+ * @param dst_linesize linesizes for the destination image
+ * @param pix_fmt the pixel format of the image
+ * @param color the color components to be used for the fill
+ * @param width the width of the image in pixels
+ * @param height the height of the image in pixels
+ * @return 0 if the image data was filled, a negative AVERROR code otherwise
+ */
+int av_image_fill_color(uint8_t * const dst_data[4], const ptrdiff_t dst_linesize[4],
+ enum AVPixelFormat pix_fmt, const uint32_t color[4],
+ int width, int height);
+
+
/**
* @}
*/
@@ -79,7 +79,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 58
-#define LIBAVUTIL_VERSION_MINOR 32
+#define LIBAVUTIL_VERSION_MINOR 33
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
Signed-off-by: Marton Balint <cus@passwd.hu> --- doc/APIchanges | 3 +++ libavutil/imgutils.c | 4 ++-- libavutil/imgutils.h | 30 ++++++++++++++++++++++++++++++ libavutil/version.h | 2 +- 4 files changed, 36 insertions(+), 3 deletions(-)