mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-23 08:46:40 +00:00
Code Issues 1 Projects Releases Wiki Activity

video: fix unpack_Y210

Browse source 
It should handle data starting from x and width may be an odd
This commit is contained in:
Haihao Xiang 2019-03-25 14:07:08 +08:00
parent 10ce73b6eb
commit 4ab04e5dea
1 changed files with 41 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
gst-libs/gst/video/video-format.c
View file

@ -795,6 +795,28 @@ unpack_Y210 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint16 *restrict d = dest;
guint Y0, Y1, U, V;
s += GST_ROUND_DOWN_2 (x) * 4;
if (x & 1) {
Y1 = GST_READ_UINT16_LE (s + 4);
U = GST_READ_UINT16_LE (s + 2);
V = GST_READ_UINT16_LE (s + 6);
if (!(flags & GST_VIDEO_PACK_FLAG_TRUNCATE_RANGE)) {
Y1 |= (Y1 >> 10);
U |= (U >> 10);
V |= (V >> 10);
}
d[0] = 0xffff;
d[1] = Y1;
d[2] = U;
d[3] = V;
s += 8;
d += 4;
width--;
}
for (i = 0; i < width / 2; i++) {
Y0 = GST_READ_UINT16_LE (s + i * 8 + 0);
U = GST_READ_UINT16_LE (s + i * 8 + 2);
@ -817,6 +839,25 @@ unpack_Y210 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
d[i * 8 + 6] = U;
d[i * 8 + 7] = V;
}
if (width & 1) {
i = width - 1;
Y0 = GST_READ_UINT16_LE (s + i * 4 + 0);
U = GST_READ_UINT16_LE (s + i * 4 + 2);
V = GST_READ_UINT16_LE (s + i * 4 + 6);
if (!(flags & GST_VIDEO_PACK_FLAG_TRUNCATE_RANGE)) {
Y0 |= (Y0 >> 10);
U |= (U >> 10);
V |= (V >> 10);
}
d[i * 4 + 0] = 0xffff;
d[i * 4 + 1] = Y0;
d[i * 4 + 2] = U;
d[i * 4 + 3] = V;
}
}
static void