From: sharpbai <tian....@duobei.com>
feature: add scaleFactor attribute for avfoundation
added by: siyuan.w...@duobei.com
added by: yiren...@duobei.com
---
libavdevice/avfoundation.m | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavdevice/avfoundation.m b/libavdevice/avfoundation.m
index e2ddf47..22cff1f 100644
--- a/libavdevice/avfoundation.m
+++ b/libavdevice/avfoundation.m
@@ -96,6 +96,7 @@ typedef struct
int capture_cursor;
int capture_mouse_clicks;
+ float scaleFactor;
int list_devices;
int video_device_index;
@@ -748,6 +749,9 @@ static int avf_read_header(AVFormatContext *s)
} else {
capture_screen_input.capturesMouseClicks = NO;
}
+ if (ctx->scaleFactor != 1 && ctx->scaleFactor > 0) {
+ capture_screen_input.scaleFactor = ctx->scaleFactor;
+ }
video_device = (AVCaptureDevice*) capture_screen_input;
capture_screen = 1;
@@ -1025,6 +1029,7 @@ static const AVOption options[] = {
{ "video_size", "set video size", offsetof(AVFContext, width),
AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, AV_OPT_FLAG_DECODING_PARAM },
{ "capture_cursor", "capture the screen cursor", offsetof(AVFContext,
capture_cursor), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
{ "capture_mouse_clicks", "capture the screen mouse clicks",
offsetof(AVFContext, capture_mouse_clicks), AV_OPT_TYPE_INT, {.i64=0}, 0, 1,
AV_OPT_FLAG_DECODING_PARAM },
+ { "scaleFactor", "scale screen factor range", offsetof(AVFContext,
scaleFactor), AV_OPT_TYPE_FLOAT, {.i64=1}, 0, 2, AV_OPT_FLAG_DECODING_PARAM },
{ NULL },
};
--
2.2.1
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