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ffplay: fix -x and -y options when only one of them is used 

Previously if only -y was used then nothing happened, if only -x then zero
window height was set which is undefined in SDL and caused a black window.

From now on if only one dimension is set we calculate the other based on
size/aspect of the shown content.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2018-11-24 23:09:24 +01:00
parent 9a39c5449f
commit 418c90faac
1 changed files with 7 additions and 8 deletions
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15
fftools/ffplay.c
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@ -1322,7 +1322,11 @@ static void sigterm_handler(int sig)
static void set_default_window_size(int width, int height, AVRational sar)
{
SDL_Rect rect;
calculate_display_rect(&rect, 0, 0, INT_MAX, height, width, height, sar);
int max_width = screen_width ? screen_width : INT_MAX;
int max_height = screen_height ? screen_height : INT_MAX;
if (max_width == INT_MAX && max_height == INT_MAX)
max_height = height;
calculate_display_rect(&rect, 0, 0, max_width, max_height, width, height, sar);
default_width = rect.w;
default_height = rect.h;
}
@ -1331,13 +1335,8 @@ static int video_open(VideoState *is)
{
int w,h;
if (screen_width) {
w = screen_width;
h = screen_height;
} else {
w = default_width;
h = default_height;
}
w = screen_width ? screen_width : default_width;
h = screen_height ? screen_height : default_height;
if (!window_title)
window_title = input_filename;