1 files changed, 21 insertions, 0 deletions

diff --git a/noncore/multimedia/opieplayer2/yuv2rgb_arm4l.S b/noncore/multimedia/opieplayer2/yuv2rgb_arm4l.S
index f4a3395..521bcaa 100644
--- a/noncore/multimedia/opieplayer2/yuv2rgb_arm4l.S
+++ b/noncore/multimedia/opieplayer2/yuv2rgb_arm4l.S
@@ -1,64 +1,85 @@
+/*
+Copyright (c) 2001 Lionel Ulmer (lionel.ulmer@free.fr / bbrox@bbrox.org)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
 /* WARNING : this function only works when stride_U == stride_V (I use some hacks to
              not have to do too many computations at line's end)...
 
    C-like prototype :
         void convert_yuv420_rgb565(AVPicture *picture, unsigned char *results, int w, int h) ;
 
 */
 
 #ifdef __arm__
 
         .text
         .align
         
         .global convert_yuv420_rgb565
 convert_yuv420_rgb565:
         stmdb   sp!, { r4 - r12, lr }   @ all callee saved regs
         ldr r7,  [r0,  #0]       @ Y ptr
         ldr r9,  [r0,  #4]       @ U ptr
         ldr r10, [r0,  #8]       @ V ptr
         subs r10, r10, r9        @ V ptr - U ptr
         ldr r8,  [r0, #12]
         add r8, r8, r7           @ Y + stride_Y
         ldr r4,  [r0, #12]       @ Stride_Y
         mov r4, r4, lsl #1
         sub r4, r4, r2           @ (2 * Stride_Y) - width
         ldr r5,  [r0, #16]       @ Stride_U
         sub r5, r5, r2, lsr #1   @ Stride_U - (width / 2)
         ldr r6,  [r0, #20]       @ Stride_V
         sub r6, r6, r2, lsr #1   @ Stride_V - (width / 2)
         add r0, r1, r2, lsl #1   @ RGB + 1
         stmdb   sp!, { r0-r10 }
         @ Stack description :
         @ (sp+ 0) RGB + one line
         @ (sp+ 4) RGB
         @ (sp+ 8) width (save)
         @ (sp+12) height
         @ (sp+16) (2 * stride_Y) - width
         @ (sp+20) stride_U - (width / 2)
         @ (sp+24) stride_V - (width / 2) !!! UNUSED !!!
         @ (sp+28) Y ptr
         @ (sp+32) Y ptr + one line
         @ (sp+36) U ptr
         @ (sp+40) V - U
         mov lr, r2                         @ Initialize the width counter
         add r0, pc, #(const_storage-.-8)   @ r0 = base pointer to the constants array
                 ldr r8, [r0, #(4*4)]               @ r8 = multy
 yuv_loop:
         add r0, pc, #(const_storage-.-8)   @ r0 = base pointer to the constants array
         ldr r10, [sp, #28]                 @ r10 = Y
         ldr r1, [sp, #36]                  @ r1 = U
         ldrb r9, [r10, #0]                 @ r9 = *Y
         ldrb r11, [r1]                     @ r11 = *U
         add r1, r1, #1                     @ r1 = U++
         ldr r2, [sp, #40]                  @ r2 = V - U
         str r1, [sp, #36]                  @ store U++
         add r2, r1, r2                     @ r2 = V+1
         ldrb r12, [r2, #-1]                @ r12 = *V
         sub r11, r11, #128                 @ r11 = *U - 128
         sub r12, r12, #128                 @ r12 = *V - 128
         ldr r1, [r0, #(4*0)]               @ r1 = crv
         mov r7, #32768                     @ r7 = 32768 (for additions in MLA)
         ldr r2, [r0, #(4*3)]               @ r2 = -cgv
         mla r6, r1, r12, r7                @ r6 = nonyc_r = crv * (*V - 128) + 32768
         ldr r3, [r0, #(4*1)]               @ r3 = cbu