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Diffstat (limited to 'swaygrab/main.c')
-rw-r--r--swaygrab/main.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/swaygrab/main.c b/swaygrab/main.c
index 413de1fa..c437653d 100644
--- a/swaygrab/main.c
+++ b/swaygrab/main.c
@@ -84,13 +84,18 @@ void grab_and_apply_movie_magic(const char *file, const char *payload,
sway_abort("Unknown output %s.", name);
}
- const char *fmt = "ffmpeg -f rawvideo -framerate %d "
+ char *ffmpeg_opts = getenv("SWAYGRAB_FFMPEG_OPTS");
+ if(!ffmpeg_opts) {
+ ffmpeg_opts = "";
+ }
+
+ const char *fmt = "ffmpeg %s -f rawvideo -framerate %d "
"-video_size %dx%d -pixel_format argb "
"-i pipe:0 -r %d -vf vflip %s";
char *cmd = malloc(strlen(fmt) - 8 /*args*/
- + numlen(width) + numlen(height) + numlen(framerate) * 2
- + strlen(file) + 1);
- sprintf(cmd, fmt, framerate, width, height, framerate, file);
+ + strlen(ffmpeg_opts) + numlen(width) + numlen(height)
+ + numlen(framerate) * 2 + strlen(file) + 1);
+ sprintf(cmd, fmt, ffmpeg_opts, framerate, width, height, framerate, file);
long ns = (long)(1000000000 * (1.0 / framerate));
struct timespec start, finish, ts;