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avdevice/xcbgrab: capture the full desktop if video_size is not specified 

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2019-12-28 01:15:34 +01:00
parent f6845269c6
commit f1353ce222
3 changed files with 8 additions and 8 deletions
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2
doc/indevs.texi
View File

@ -1532,7 +1532,7 @@ ffmpeg -f x11grab -follow_mouse centered -show_region 1 -framerate 25 -video_siz
@end example
@item video_size
Set the video frame size. Default value is @code{vga}.
Set the video frame size. Default is the full desktop.
@item grab_x
@item grab_y

2
libavdevice/version.h
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@ -29,7 +29,7 @@
#define LIBAVDEVICE_VERSION_MAJOR 58
#define LIBAVDEVICE_VERSION_MINOR 9
#define LIBAVDEVICE_VERSION_MICRO 101
#define LIBAVDEVICE_VERSION_MICRO 102
#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
LIBAVDEVICE_VERSION_MINOR, \

12
libavdevice/xcbgrab.c
View File

@ -70,7 +70,6 @@ typedef struct XCBGrabContext {
int region_border;
int centered;
const char *video_size;
const char *framerate;
int has_shm;
@ -85,7 +84,7 @@ static const AVOption options[] = {
{ "y", "Initial y coordinate.", OFFSET(y), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
{ "grab_x", "Initial x coordinate.", OFFSET(x), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
{ "grab_y", "Initial y coordinate.", OFFSET(y), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
{ "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = "vga" }, 0, 0, D },
{ "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL }, 0, 0, D },
{ "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "ntsc" }, 0, 0, D },
{ "draw_mouse", "Draw the mouse pointer.", OFFSET(draw_mouse), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, D },
{ "follow_mouse", "Move the grabbing region when the mouse pointer reaches within specified amount of pixels to the edge of region.",
@ -555,10 +554,6 @@ static int create_stream(AVFormatContext *s)
if (!st)
return AVERROR(ENOMEM);
ret = av_parse_video_size(&c->width, &c->height, c->video_size);
if (ret < 0)
return ret;
ret = av_parse_video_rate(&st->avg_frame_rate, c->framerate);
if (ret < 0)
return ret;
@ -570,6 +565,11 @@ static int create_stream(AVFormatContext *s)
if (!geo)
return AVERROR_EXTERNAL;
if (!c->width || !c->height) {
c->width = geo->width;
c->height = geo->height;
}
if (c->x + c->width > geo->width ||
c->y + c->height > geo->height) {
av_log(s, AV_LOG_ERROR,