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video-format: Fix 10LE32 formats packing function

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The source offset (soff) was not incremented for each component and then
each group of 3 components were inverted. This was causing a staircase
effect combined with some noise.

https://bugzilla.gnome.org/show_bug.cgi?id=789876
This commit is contained in:
Nicolas Dufresne 2018-02-06 16:16:15 -05:00
parent c8b99139b1
commit eb7565b60e
1 changed files with 28 additions and 32 deletions
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60
gst-libs/gst/video/video-format.c
View file

@ -4616,13 +4616,11 @@ pack_GRAY10_LE32 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint32 Y = 0;
for (c = 0; c < num_comps; c++) {
Y <<= 10;
Y |= s[soff + 1] >> 6;
Y |= s[soff + 1] >> 6 << (10 * c);
soff += 4;
}
GST_WRITE_UINT32_LE (dy + i, Y);
soff += 4;
}
}
@ -4745,31 +4743,31 @@ pack_NV12_10LE32 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint32 Y = 0;
for (c = 0; c < num_comps; c++) {
Y <<= 10;
Y |= s[soff + 1] >> 6;
Y |= s[soff + 1] >> 6 << (10 * c);
if (!IS_CHROMA_LINE_420 (y, flags))
continue;
switch ((pix + c) % 6) {
case 0:
UV = s[soff + 2] >> 6;
UV |= s[soff + 3] >> 6 << 10;
break;
case 2:
UV |= s[soff + 2] >> 6 << 20;
GST_WRITE_UINT32_LE (duv + i, UV);
UV = s[soff + 3] >> 6;
break;
case 4:
UV |= s[soff + 2] >> 6 << 10;
UV |= s[soff + 3] >> 6 << 20;
GST_WRITE_UINT32_LE (duv + i, UV);
break;
default:
/* keep value */
break;
if (IS_CHROMA_LINE_420 (y, flags)) {
switch ((pix + c) % 6) {
case 0:
UV = s[soff + 2] >> 6;
UV |= s[soff + 3] >> 6 << 10;
break;
case 2:
UV |= s[soff + 2] >> 6 << 20;
GST_WRITE_UINT32_LE (duv + i, UV);
UV = s[soff + 3] >> 6;
break;
case 4:
UV |= s[soff + 2] >> 6 << 10;
UV |= s[soff + 3] >> 6 << 20;
GST_WRITE_UINT32_LE (duv + i, UV);
break;
default:
/* keep value */
break;
}
}
soff += 4;
}
GST_WRITE_UINT32_LE (dy + i, Y);
@ -4777,7 +4775,6 @@ pack_NV12_10LE32 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
if (IS_CHROMA_LINE_420 (y, flags) && num_comps < 3)
GST_WRITE_UINT32_LE (duv + i, UV);
soff += 4;
}
}
@ -4898,8 +4895,7 @@ pack_NV16_10LE32 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint32 Y = 0;
for (c = 0; c < num_comps; c++) {
Y <<= 10;
Y |= s[soff + 1] >> 6;
Y |= s[soff + 1] >> 6 << (10 * c);
switch ((pix + c) % 6) {
case 0:
@ -4920,14 +4916,14 @@ pack_NV16_10LE32 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
/* keep value */
break;
}
soff += 4;
}
GST_WRITE_UINT32_LE (dy + i, Y);
if (num_comps < 3)
GST_WRITE_UINT32_LE (duv + i, UV);
soff += 4;
}
}