diff options
Diffstat (limited to 'apps/codecs/libffmpegFLAC/arm.S')
| -rw-r--r-- | apps/codecs/libffmpegFLAC/arm.S | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/apps/codecs/libffmpegFLAC/arm.S b/apps/codecs/libffmpegFLAC/arm.S index 27b38ef..39c4b36 100644 --- a/apps/codecs/libffmpegFLAC/arm.S +++ b/apps/codecs/libffmpegFLAC/arm.S @@ -202,14 +202,14 @@ lpc_decode_arm: b .exit .order1: - ldr r5, [r4] - ldr r4, [r3], #4 + ldr r5, [r4] @ load the one coef we need + ldr r4, [r3], #4 @ load one history sample, r3 now points to residual .loop1: - mul r2, r4, r5 - ldr r4, [r3] - add r2, r4, r2, asr r1 - str r2, [r3], #4 - subs r0, r0, #1 + mul r2, r4, r5 @ multiply coef by history sample + ldr r4, [r3] @ load residual + add r4, r4, r2, asr r1 @ add result to residual + str r4, [r3], #4 @ place r3 at next residual, we already have + subs r0, r0, #1 @ the current sample in r4 for the next iteration bne .loop1 b .exit |