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Fix RGBA and ABGR pack/unpack on big endian cpu

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The pack and unpack functions for RGBA and ABGR only work for little
endian cpus. Add variants for big endian as well.
This commit is contained in:
Wim Taymans 2017-06-01 17:45:41 +02:00
parent 173396d524
commit 103d265cf0
2 changed files with 70 additions and 8 deletions
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24
gst-libs/gst/video/video-format.c
View file

@ -1328,7 +1328,11 @@ unpack_ABGR (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
s += x * 4;
video_orc_unpack_ABGR (dest, s, width);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
video_orc_unpack_ABGR_le (dest, s, width);
#else
video_orc_unpack_ABGR_be (dest, s, width);
#endif
}
static void
@ -1339,7 +1343,11 @@ pack_ABGR (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
{
guint8 *restrict d = GET_LINE (y);
video_orc_pack_ABGR (d, src, width);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
video_orc_pack_ABGR_le (d, src, width);
#else
video_orc_pack_ABGR_be (d, src, width);
#endif
}
#define PACK_RGBA GST_VIDEO_FORMAT_ARGB, unpack_RGBA, 1, pack_RGBA
@ -1352,7 +1360,11 @@ unpack_RGBA (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
s += x * 4;
video_orc_unpack_RGBA (dest, s, width);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
video_orc_unpack_RGBA_le (dest, s, width);
#else
video_orc_unpack_RGBA_be (dest, s, width);
#endif
}
static void
@ -1363,7 +1375,11 @@ pack_RGBA (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
{
guint8 *restrict d = GET_LINE (y);
video_orc_pack_RGBA (d, src, width);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
video_orc_pack_RGBA_le (d, src, width);
#else
video_orc_pack_RGBA_be (d, src, width);
#endif
}
#define PACK_RGB GST_VIDEO_FORMAT_ARGB, unpack_RGB, 1, pack_RGB

54
gst-libs/gst/video/video-orc.orc
View file

@ -333,7 +333,7 @@ swapl argb, bgra
swapl bgra, argb
.function video_orc_pack_RGBA
.function video_orc_pack_RGBA_le
.dest 4 rgba guint8
.source 4 argb guint8
.temp 4 a
@ -344,7 +344,7 @@ shrul a, r, 8
shll r, r, 24
orl rgba, r, a
.function video_orc_unpack_RGBA
.function video_orc_unpack_RGBA_le
.dest 4 argb guint8
.source 4 rgba guint8
.temp 4 a
@ -355,7 +355,30 @@ shll a, r, 8
shrul r, r, 24
orl argb, r, a
.function video_orc_unpack_ABGR
.function video_orc_pack_RGBA_be
.dest 4 rgba guint8
.source 4 argb guint8
.temp 4 a
.temp 4 r
loadl r, argb
shrul a, r, 24
shll r, r, 8
orl rgba, r, a
.function video_orc_unpack_RGBA_be
.dest 4 argb guint8
.source 4 rgba guint8
.temp 4 a
.temp 4 r
loadl r, rgba
shll a, r, 24
shrul r, r, 8
orl argb, r, a
.function video_orc_unpack_ABGR_le
.dest 4 argb guint8
.source 4 abgr guint8
.temp 4 a
@ -366,7 +389,7 @@ shll a, r, 8
shrul r, r, 24
orl argb, r, a
.function video_orc_pack_ABGR
.function video_orc_pack_ABGR_le
.dest 4 abgr guint8
.source 4 argb guint8
.temp 4 a
@ -377,6 +400,29 @@ shll a, r, 8
shrul r, r, 24
orl abgr, r, a
.function video_orc_unpack_ABGR_be
.dest 4 argb guint8
.source 4 abgr guint8
.temp 4 a
.temp 4 r
swapl r, abgr
shll a, r, 24
shrul r, r, 8
orl argb, r, a
.function video_orc_pack_ABGR_be
.dest 4 abgr guint8
.source 4 argb guint8
.temp 4 a
.temp 4 r
swapl r, argb
shll a, r, 24
shrul r, r, 8
orl abgr, r, a
.function video_orc_unpack_NV12
.dest 8 d guint8
.source 2 y guint8