RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

arm: make ff_mlp_filter_channel_arm and ff_mlp_rematrix_channel_arm position independent 

No significant difference in used cpu cycles on a cortex-a9.
This commit is contained in:
Janne Grunau 2014-12-08 13:25:55 +01:00
parent fccfc22d1f
commit 581c7f0e12
1 changed files with 13 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
libavcodec/arm/mlpdsp_armv5te.S
View File

@ -338,22 +338,23 @@ T orr AC0, AC0, AC1
.endm
.macro switch_on_fir_taps mask_minus1, shift_0, shift_8, iir_taps
A ldr pc, [pc, a3, lsl #2] // firorder is in range 0-(8-iir_taps)
A ldr CO0, [pc, a3, lsl #2] // firorder is in range 0-(8-iir_taps)
A add pc, pc, CO0
T tbh [pc, a3, lsl #1]
0:
A .word 0, 70f, 71f, 72f, 73f, 74f
A .word (70f - 0b) - 4, (71f - 0b) - 4, (72f - 0b) - 4, (73f - 0b) - 4, (74f - 0b) - 4
T .hword (70f - 0b) / 2, (71f - 0b) / 2, (72f - 0b) / 2, (73f - 0b) / 2, (74f - 0b) / 2
.if \iir_taps <= 3
A .word 75f
A .word (75f - 0b) - 4
T .hword (75f - 0b) / 2
.if \iir_taps <= 2
A .word 76f
A .word (76f - 0b) - 4
T .hword (76f - 0b) / 2
.if \iir_taps <= 1
A .word 77f
A .word (77f - 0b) - 4
T .hword (77f - 0b) / 2
.if \iir_taps == 0
A .word 78f
A .word (78f - 0b) - 4
T .hword (78f - 0b) / 2
.endif
.endif
@ -379,10 +380,11 @@ T .hword (78f - 0b) / 2
.endm
.macro switch_on_iir_taps mask_minus1, shift_0, shift_8
A ldr pc, [pc, a4, lsl #2] // irorder is in range 0-4
A ldr CO0, [pc, a4, lsl #2] // irorder is in range 0-4
A add pc, pc, CO0
T tbh [pc, a4, lsl #1]
0:
A .word 0, 60f, 61f, 62f, 63f, 64f
A .word (60f - 0b) - 4, (61f - 0b) - 4, (62f - 0b) - 4, (63f - 0b) - 4, (64f - 0b) - 4
T .hword (60f - 0b) / 2, (61f - 0b) / 2, (62f - 0b) / 2, (63f - 0b) / 2, (64f - 0b) / 2
60: switch_on_fir_taps \mask_minus1, \shift_0, \shift_8, 0
61: switch_on_fir_taps \mask_minus1, \shift_0, \shift_8, 1
@ -604,10 +606,11 @@ function ff_mlp_rematrix_channel_arm, export=1
cmp v5, #1
beq 11f
blo 10f
A ldr pc, [pc, v5, lsl #2]
A ldr v5, [pc, v5, lsl #2]
A add pc, pc, v5
T tbh [pc, v5, lsl #1]
0:
A .word 0, 0, 0, 12f, 13f, 14f, 15f, 16f, 17f, 18f, 19f, 20f, 21f, 22f, 23f, 24f, 25f
A .word 0, 0, (12f - 0b) - 4, (13f - 0b) - 4, (14f - 0b) - 4, (15f - 0b) - 4, (16f - 0b) - 4, (17f - 0b) - 4, (18f - 0b) - 4, (19f - 0b) - 4, (20f - 0b) - 4, (21f - 0b) - 4, (22f - 0b) - 4, (23f - 0b) - 4, (24f - 0b) - 4, (25f - 0b) - 4
T .hword 0, 0, (12f - 0b) / 2, (13f - 0b) / 2, (14f - 0b) / 2, (15f - 0b) / 2
T .hword (16f - 0b) / 2, (17f - 0b) / 2, (18f - 0b) / 2, (19f - 0b) / 2
T .hword (20f - 0b) / 2, (21f - 0b) / 2, (22f - 0b) / 2, (23f - 0b) / 2, (24f - 0b) / 2, (25f - 0b) / 2