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author | Michael Niedermayer <michaelni@gmx.at> | 2014-10-30 12:48:05 +0100 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2014-10-30 14:34:07 +0100 |
commit | db442c873631065e8719df6da91c016d25501084 (patch) | |
tree | 197f61ad9f7f39d0e53683bd9e526680d3c400e6 /libavdevice/xcbgrab.c | |
parent | 0c9f0da0f7656059e9bd41931d250aafddf35ea3 (diff) | |
download | ffmpeg-streaming-db442c873631065e8719df6da91c016d25501084.zip ffmpeg-streaming-db442c873631065e8719df6da91c016d25501084.tar.gz |
avdevice/xcbgrab: Fix offset support
Found-by: carl
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavdevice/xcbgrab.c')
-rw-r--r-- | libavdevice/xcbgrab.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/libavdevice/xcbgrab.c b/libavdevice/xcbgrab.c index b162763..2fdb992 100644 --- a/libavdevice/xcbgrab.c +++ b/libavdevice/xcbgrab.c @@ -491,7 +491,6 @@ static int create_stream(AVFormatContext *s) { XCBGrabContext *c = s->priv_data; AVStream *st = avformat_new_stream(s, NULL); - const char *opts = strchr(s->filename, '+'); xcb_get_geometry_cookie_t gc; xcb_get_geometry_reply_t *geo; int ret; @@ -507,9 +506,6 @@ static int create_stream(AVFormatContext *s) if (ret < 0) return ret; - if (opts) - sscanf(opts, "%d,%d", &c->x, &c->y); - avpriv_set_pts_info(st, 64, 1, 1000000); gc = xcb_get_geometry(c->conn, c->screen->root); @@ -598,8 +594,20 @@ static av_cold int xcbgrab_read_header(AVFormatContext *s) XCBGrabContext *c = s->priv_data; int screen_num, ret; const xcb_setup_t *setup; + char *display_name = av_strdup(s->filename); + + if (s->filename) { + if (!display_name) + return AVERROR(ENOMEM); + + if (!sscanf(s->filename, "%[^+]+%d,%d", display_name, &c->x, &c->y)) { + *display_name = 0; + sscanf(s->filename, "+%d,%d", &c->x, &c->y); + } + } - c->conn = xcb_connect(s->filename, &screen_num); + c->conn = xcb_connect(display_name, &screen_num); + av_freep(&display_name); if ((ret = xcb_connection_has_error(c->conn))) { av_log(s, AV_LOG_ERROR, "Cannot open display %s, error %d.\n", s->filename ? s->filename : "default", ret); |