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lavd/libdc1394: Do not crash if dc1394_camera_new() fails.

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Fixes Ubuntu bug 1710849
This commit is contained in:
Carl Eugen Hoyos 2017-08-18 19:20:15 +02:00
parent f386dd70ac
commit 285c015f10
1 changed files with 8 additions and 0 deletions
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8
libavdevice/libdc1394.c
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@ -190,6 +190,14 @@ static int dc1394_read_header(AVFormatContext *c)
/* FIXME: To select a specific camera I need to search in list its guid */ /* FIXME: To select a specific camera I need to search in list its guid */
dc1394->camera = dc1394_camera_new (dc1394->d, list->ids[0].guid); dc1394->camera = dc1394_camera_new (dc1394->d, list->ids[0].guid);
if (!dc1394->camera) {
av_log(c, AV_LOG_ERROR, "Unable to open camera with guid 0x%"PRIx64"\n",
list->ids[0].guid);
dc1394_camera_free_list(list);
goto out;
}
if (list->num > 1) { if (list->num > 1) {
av_log(c, AV_LOG_INFO, "Working with the first camera found\n"); av_log(c, AV_LOG_INFO, "Working with the first camera found\n");
} }