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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /media/ffvpx/libavcodec/arm/idctdsp_arm.S
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'media/ffvpx/libavcodec/arm/idctdsp_arm.S')
-rw-r--r--media/ffvpx/libavcodec/arm/idctdsp_arm.S120
1 files changed, 120 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/arm/idctdsp_arm.S b/media/ffvpx/libavcodec/arm/idctdsp_arm.S
new file mode 100644
index 0000000000..057eff9be8
--- /dev/null
+++ b/media/ffvpx/libavcodec/arm/idctdsp_arm.S
@@ -0,0 +1,120 @@
+@
+@ ARMv4-optimized IDCT functions
+@ Copyright (c) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
+@
+@ This file is part of FFmpeg.
+@
+@ FFmpeg is free software; you can redistribute it and/or
+@ modify it under the terms of the GNU Lesser General Public
+@ License as published by the Free Software Foundation; either
+@ version 2.1 of the License, or (at your option) any later version.
+@
+@ FFmpeg is distributed in the hope that it will be useful,
+@ but WITHOUT ANY WARRANTY; without even the implied warranty of
+@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+@ Lesser General Public License for more details.
+@
+@ You should have received a copy of the GNU Lesser General Public
+@ License along with FFmpeg; if not, write to the Free Software
+@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+@
+
+#include "config.h"
+#include "libavutil/arm/asm.S"
+
+@ void ff_add_pixels_clamped_arm(int16_t *block, uint8_t *dest, ptrdiff_t stride)
+function ff_add_pixels_clamped_arm, export=1, align=5
+ push {r4-r10}
+ mov r10, #8
+1:
+ ldr r4, [r1] /* load dest */
+ /* block[0] and block[1]*/
+ ldrsh r5, [r0]
+ ldrsh r7, [r0, #2]
+ and r6, r4, #0xFF
+ and r8, r4, #0xFF00
+ add r6, r6, r5
+ add r8, r7, r8, lsr #8
+ mvn r5, r5
+ mvn r7, r7
+ tst r6, #0x100
+ it ne
+ movne r6, r5, lsr #24
+ tst r8, #0x100
+ it ne
+ movne r8, r7, lsr #24
+ mov r9, r6
+ ldrsh r5, [r0, #4] /* moved form [A] */
+ orr r9, r9, r8, lsl #8
+ /* block[2] and block[3] */
+ /* [A] */
+ ldrsh r7, [r0, #6]
+ and r6, r4, #0xFF0000
+ and r8, r4, #0xFF000000
+ add r6, r5, r6, lsr #16
+ add r8, r7, r8, lsr #24
+ mvn r5, r5
+ mvn r7, r7
+ tst r6, #0x100
+ it ne
+ movne r6, r5, lsr #24
+ tst r8, #0x100
+ it ne
+ movne r8, r7, lsr #24
+ orr r9, r9, r6, lsl #16
+ ldr r4, [r1, #4] /* moved form [B] */
+ orr r9, r9, r8, lsl #24
+ /* store dest */
+ ldrsh r5, [r0, #8] /* moved form [C] */
+ str r9, [r1]
+
+ /* load dest */
+ /* [B] */
+ /* block[4] and block[5] */
+ /* [C] */
+ ldrsh r7, [r0, #10]
+ and r6, r4, #0xFF
+ and r8, r4, #0xFF00
+ add r6, r6, r5
+ add r8, r7, r8, lsr #8
+ mvn r5, r5
+ mvn r7, r7
+ tst r6, #0x100
+ it ne
+ movne r6, r5, lsr #24
+ tst r8, #0x100
+ it ne
+ movne r8, r7, lsr #24
+ mov r9, r6
+ ldrsh r5, [r0, #12] /* moved from [D] */
+ orr r9, r9, r8, lsl #8
+ /* block[6] and block[7] */
+ /* [D] */
+ ldrsh r7, [r0, #14]
+ and r6, r4, #0xFF0000
+ and r8, r4, #0xFF000000
+ add r6, r5, r6, lsr #16
+ add r8, r7, r8, lsr #24
+ mvn r5, r5
+ mvn r7, r7
+ tst r6, #0x100
+ it ne
+ movne r6, r5, lsr #24
+ tst r8, #0x100
+ it ne
+ movne r8, r7, lsr #24
+ orr r9, r9, r6, lsl #16
+ add r0, r0, #16 /* moved from [E] */
+ orr r9, r9, r8, lsl #24
+ subs r10, r10, #1 /* moved from [F] */
+ /* store dest */
+ str r9, [r1, #4]
+
+ /* [E] */
+ /* [F] */
+ add r1, r1, r2
+ bne 1b
+
+ pop {r4-r10}
+ bx lr
+endfunc