/*
* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
float out[32], const float in[32],
float scale);
+ void ff_decode_hf_neon(float dst[DCA_SUBBANDS][8],
+ const int32_t vq_num[DCA_SUBBANDS],
+ const int8_t hf_vq[1024][32], intptr_t vq_offset,
+ int32_t scale[DCA_SUBBANDS][2],
+ intptr_t start, intptr_t end);
+
av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags)) {
s->lfe_fir[0] = ff_dca_lfe_fir0_neon;
s->lfe_fir[1] = ff_dca_lfe_fir1_neon;
+ s->decode_hf = ff_decode_hf_neon;
}
}
/*
* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/arm/asm.S"
+ function ff_decode_hf_neon, export=1
+ push {r4-r5,lr}
+ add r2, r2, r3
+ ldr r3, [sp, #12]
+ ldrd r4, r5, [sp, #16]
+ add r3, r3, r4, lsl #3
+ add r1, r1, r4, lsl #2
+ add r0, r0, r4, lsl #5
+
+ 1: ldr_post lr, r1, #4
+ add r4, r4, #1
+ add lr, r2, lr, lsl #5
+ cmp r4, r5
+ vld1.32 {d7}, [r3]!
+ vld1.8 {d0}, [lr,:64]
+ vcvt.f32.s32 d7, d7, #4
+ vmovl.s8 q1, d0
+ vmovl.s16 q0, d2
+ vmovl.s16 q1, d3
+ vcvt.f32.s32 q0, q0
+ vcvt.f32.s32 q1, q1
+ vmul.f32 q0, q0, d7[0]
+ vmul.f32 q1, q1, d7[0]
+ vst1.32 {q0-q1}, [r0,:128]!
+ bne 1b
+
+ pop {r4-r5,pc}
+ endfunc
+
function ff_dca_lfe_fir0_neon, export=1
push {r4-r6,lr}
mov r3, #32 @ decifactor