Am 16.08.22 um 15:30 schrieb Thilo Borgmann:
---
doc/ffmpeg.texi | 4 ++++
fftools/ffmpeg_filter.c | 15 +++++++++++++++
fftools/ffmpeg_opt.c | 10 ++++++++++
libavutil/display.c | 21 +++++++++++++++++++++
libavutil/display.h | 28 ++++++++++++++++++++++++++++
5 files changed, 78 insertions(+)
[...]
diff --git a/libavutil/display.c b/libavutil/display.c
index d31061283c..b89763ff48 100644
--- a/libavutil/display.c
+++ b/libavutil/display.c
@@ -28,9 +28,11 @@
// fixed point to double
#define CONV_FP(x) ((double) (x)) / (1 << 16)
+#define CONV_FP2(x) ((double) (x)) / (1 << 30)
// double to fixed point
#define CONV_DB(x) (int32_t) ((x) * (1 << 16))
+#define CONV_DB2(x) (int32_t) ((x) * (1 << 30))
double av_display_rotation_get(const int32_t matrix[9])
{
@@ -48,6 +50,17 @@ double av_display_rotation_get(const int32_t matrix[9])
return -rotation;
}
+double av_display_hscale_get(const int32_t matrix[9])
+{
+ return fabs(CONV_FP2(matrix[2]));
+}
+
+double av_display_vscale_get(const int32_t matrix[9])
+{
+ return fabs(CONV_FP2(matrix[5]));
+}
+
+#include <stdio.h>
obviously wrong and missed to remove... will be fixed locally.
-Thilo
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