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video-format: Clean up v210 packing code

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/973>
This commit is contained in:
Piotrek Brzeziński 2021-10-13 16:53:41 +02:00 committed by GStreamer Marge Bot
parent 35a7b19381
commit 33ccabd206
1 changed files with 13 additions and 43 deletions
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56
subprojects/gst-plugins-base/gst-libs/gst/video/video-format.c
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@ -568,8 +568,8 @@ unpack_v210 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint16 u0, u2, u4;
guint16 v0, v2, v4;
/* FIXME */
s += x * 2;
if (x != 0)
GST_FIXME ("Horizontal offsets are not supported for v210");
for (i = 0; i < width; i += 6) {
a0 = GST_READ_UINT32_LE (s + (i / 6) * 16 + 0);
@ -661,63 +661,33 @@ pack_v210 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint16 u0, u1, u2;
guint16 v0, v1, v2;
for (i = 0; i < width - 5; i += 6) {
y0 = s[4 * (i + 0) + 1] >> 6;
y1 = s[4 * (i + 1) + 1] >> 6;
y2 = s[4 * (i + 2) + 1] >> 6;
y3 = s[4 * (i + 3) + 1] >> 6;
y4 = s[4 * (i + 4) + 1] >> 6;
y5 = s[4 * (i + 5) + 1] >> 6;
for (i = 0; i < width; i += 6) {
y1 = y2 = y3 = y4 = y5 = 0;
u1 = u2 = v1 = v2 = 0;
u0 = s[4 * (i + 0) + 2] >> 6;
u1 = s[4 * (i + 2) + 2] >> 6;
u2 = s[4 * (i + 4) + 2] >> 6;
v0 = s[4 * (i + 0) + 3] >> 6;
v1 = s[4 * (i + 2) + 3] >> 6;
v2 = s[4 * (i + 4) + 3] >> 6;
a0 = u0 | (y0 << 10) | (v0 << 20);
a1 = y1 | (u1 << 10) | (y2 << 20);
a2 = v1 | (y3 << 10) | (u2 << 20);
a3 = y4 | (v2 << 10) | (y5 << 20);
GST_WRITE_UINT32_LE (d + (i / 6) * 16 + 0, a0);
GST_WRITE_UINT32_LE (d + (i / 6) * 16 + 4, a1);
GST_WRITE_UINT32_LE (d + (i / 6) * 16 + 8, a2);
GST_WRITE_UINT32_LE (d + (i / 6) * 16 + 12, a3);
}
if (i < width) {
y0 = s[4 * (i + 0) + 1] >> 6;
u0 = s[4 * (i + 0) + 2] >> 6;
v0 = s[4 * (i + 0) + 3] >> 6;
if (i < width - 1)
if (i < width - 1) {
y1 = s[4 * (i + 1) + 1] >> 6;
else
y1 = y0;
}
if (i < width - 2) {
y2 = s[4 * (i + 2) + 1] >> 6;
u1 = s[4 * (i + 2) + 2] >> 6;
v1 = s[4 * (i + 2) + 3] >> 6;
} else {
y2 = y1;
u1 = u0;
v1 = v0;
}
if (i < width - 3)
if (i < width - 3) {
y3 = s[4 * (i + 3) + 1] >> 6;
else
y3 = y2;
}
if (i < width - 4) {
y4 = s[4 * (i + 4) + 1] >> 6;
u2 = s[4 * (i + 4) + 2] >> 6;
v2 = s[4 * (i + 4) + 3] >> 6;
} else {
y4 = y3;
u2 = u1;
v2 = v1;
}
y5 = y4;
if (i < width - 5) {
y5 = s[4 * (i + 5) + 1] >> 6;
}
a0 = u0 | (y0 << 10) | (v0 << 20);
a1 = y1 | (u1 << 10) | (y2 << 20);