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| author | Víctor Manuel Jáquez Leal <vjaquez@igalia.com> | 2017-08-01 17:39:04 +0200 |
|---|---|---|
| committer | Víctor Manuel Jáquez Leal <vjaquez@igalia.com> | 2017-08-01 17:39:04 +0200 |
| commit | de0f8936f82ef6cdede02299def8a50993fe92c7 (patch) | |
| tree | e95c7141578c24cce7f14ef7247c4d43e3a8bda6 | |
| parent | 19444ce1840d76e555d283a3f12d87b1b25ca529 (diff) | |
vaapivideobufferpool: don't shift by negative since it's undefined
The function g_bit_nth_lsf() may return -1 if the request bit position
is not avaible. Thus, this patch check if the return value is not -1
in order to continue.
| -rw-r--r-- | gst/vaapi/gstvaapivideobufferpool.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gst/vaapi/gstvaapivideobufferpool.c b/gst/vaapi/gstvaapivideobufferpool.c index dcdc29e9..f4b1a42f 100644 --- a/gst/vaapi/gstvaapivideobufferpool.c +++ b/gst/vaapi/gstvaapivideobufferpool.c @@ -106,11 +106,14 @@ fill_video_alignment (GstVaapiVideoBufferPool * pool, GstVideoAlignment * align) { GstVideoInfo *const vip = &pool->priv->vmeta_vinfo; guint i; + gint nth_bit; gst_video_alignment_reset (align); - for (i = 0; i < GST_VIDEO_INFO_N_PLANES (vip); i++) - align->stride_align[i] = - (1U << g_bit_nth_lsf (GST_VIDEO_INFO_PLANE_STRIDE (vip, i), 0)) - 1; + for (i = 0; i < GST_VIDEO_INFO_N_PLANES (vip); i++) { + nth_bit = g_bit_nth_lsf (GST_VIDEO_INFO_PLANE_STRIDE (vip, i), 0); + if (nth_bit >= 0) + align->stride_align[i] = (1U << nth_bit) - 1; + } } static const gchar ** |