avdevice/xcbgrab: capture the full desktop if video_size is not specified
Signed-off-by: Marton Balint <cus@passwd.hu>
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@ -1532,7 +1532,7 @@ ffmpeg -f x11grab -follow_mouse centered -show_region 1 -framerate 25 -video_siz
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@end example
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@end example
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@item video_size
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@item video_size
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Set the video frame size. Default value is @code{vga}.
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Set the video frame size. Default is the full desktop.
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@item grab_x
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@item grab_x
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@item grab_y
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@item grab_y
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@ -29,7 +29,7 @@
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#define LIBAVDEVICE_VERSION_MAJOR 58
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#define LIBAVDEVICE_VERSION_MAJOR 58
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#define LIBAVDEVICE_VERSION_MINOR 9
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#define LIBAVDEVICE_VERSION_MINOR 9
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#define LIBAVDEVICE_VERSION_MICRO 101
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#define LIBAVDEVICE_VERSION_MICRO 102
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#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
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#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
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LIBAVDEVICE_VERSION_MINOR, \
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LIBAVDEVICE_VERSION_MINOR, \
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@ -70,7 +70,6 @@ typedef struct XCBGrabContext {
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int region_border;
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int region_border;
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int centered;
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int centered;
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const char *video_size;
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const char *framerate;
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const char *framerate;
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int has_shm;
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int has_shm;
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@ -85,7 +84,7 @@ static const AVOption options[] = {
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{ "y", "Initial y coordinate.", OFFSET(y), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
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{ "y", "Initial y coordinate.", OFFSET(y), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
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{ "grab_x", "Initial x coordinate.", OFFSET(x), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
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{ "grab_x", "Initial x coordinate.", OFFSET(x), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
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{ "grab_y", "Initial y coordinate.", OFFSET(y), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
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{ "grab_y", "Initial y coordinate.", OFFSET(y), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, D },
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{ "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = "vga" }, 0, 0, D },
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{ "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL }, 0, 0, D },
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{ "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "ntsc" }, 0, 0, D },
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{ "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "ntsc" }, 0, 0, D },
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{ "draw_mouse", "Draw the mouse pointer.", OFFSET(draw_mouse), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, D },
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{ "draw_mouse", "Draw the mouse pointer.", OFFSET(draw_mouse), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, D },
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{ "follow_mouse", "Move the grabbing region when the mouse pointer reaches within specified amount of pixels to the edge of region.",
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{ "follow_mouse", "Move the grabbing region when the mouse pointer reaches within specified amount of pixels to the edge of region.",
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@ -555,10 +554,6 @@ static int create_stream(AVFormatContext *s)
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if (!st)
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if (!st)
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return AVERROR(ENOMEM);
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return AVERROR(ENOMEM);
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ret = av_parse_video_size(&c->width, &c->height, c->video_size);
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if (ret < 0)
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return ret;
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ret = av_parse_video_rate(&st->avg_frame_rate, c->framerate);
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ret = av_parse_video_rate(&st->avg_frame_rate, c->framerate);
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if (ret < 0)
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if (ret < 0)
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return ret;
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return ret;
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@ -570,6 +565,11 @@ static int create_stream(AVFormatContext *s)
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if (!geo)
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if (!geo)
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return AVERROR_EXTERNAL;
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return AVERROR_EXTERNAL;
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if (!c->width || !c->height) {
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c->width = geo->width;
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c->height = geo->height;
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}
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if (c->x + c->width > geo->width ||
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if (c->x + c->width > geo->width ||
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c->y + c->height > geo->height) {
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c->y + c->height > geo->height) {
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av_log(s, AV_LOG_ERROR,
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av_log(s, AV_LOG_ERROR,
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