diff options
Diffstat (limited to 'packages/mplayer/files/mru-neon-float-to-int16.diff')
-rw-r--r-- | packages/mplayer/files/mru-neon-float-to-int16.diff | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/packages/mplayer/files/mru-neon-float-to-int16.diff b/packages/mplayer/files/mru-neon-float-to-int16.diff new file mode 100644 index 0000000000..7a874cab30 --- /dev/null +++ b/packages/mplayer/files/mru-neon-float-to-int16.diff @@ -0,0 +1,107 @@ +From: Mans Rullgard <mans@mansr.com> +Date: Thu, 31 Jul 2008 02:35:42 +0000 (+0100) +Subject: ARM: NEON optimised float_to_int16 +X-Git-Url: http://git.mansr.com/?p=ffmpeg.mru;a=commitdiff_plain;h=f16a738cfc3307cbcba2f9c8aff4b5aa43144731 + +ARM: NEON optimised float_to_int16 +--- + +diff --git a/libavcodec/armv4l/dsputil_neon.c b/libavcodec/armv4l/dsputil_neon.c +index 6dbe835..b584e5b 100644 +--- a/libavcodec/armv4l/dsputil_neon.c ++++ b/libavcodec/armv4l/dsputil_neon.c +@@ -91,6 +91,9 @@ void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha, + void ff_h264_idct_add_neon(uint8_t *dst, DCTELEM *block, int stride); + void ff_h264_idct_dc_add_neon(uint8_t *dst, DCTELEM *block, int stride); + ++void ff_float_to_int16_neon(int16_t *, const float *, long); ++void ff_float_to_int16_interleave_neon(int16_t *, const float **, long, int); ++ + void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx) + { + c->put_pixels_tab[0][0] = ff_put_pixels16_neon; +@@ -158,4 +161,7 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx) + + c->h264_idct_add = ff_h264_idct_add_neon; + c->h264_idct_dc_add = ff_h264_idct_dc_add_neon; ++ ++ c->float_to_int16 = ff_float_to_int16_neon; ++ c->float_to_int16_interleave = ff_float_to_int16_interleave_neon; + } +diff --git a/libavcodec/armv4l/dsputil_neon_s.S b/libavcodec/armv4l/dsputil_neon_s.S +index fc5e401..44f75ba 100644 +--- a/libavcodec/armv4l/dsputil_neon_s.S ++++ b/libavcodec/armv4l/dsputil_neon_s.S +@@ -252,3 +252,72 @@ + defun2 put_pixels8_x2, _no_rnd, vhadd.u8 + defun2 put_pixels8_y2, _no_rnd, vhadd.u8 + defun2 put_pixels8_xy2, _no_rnd, vshrn.u16, 1 ++ ++extern ff_float_to_int16_neon ++ dmb ++1: vld1.64 {d0-d3}, [r1,:128]! ++ vcvt.s32.f32 q2, q0 ++ vcvt.s32.f32 q3, q1 ++ subs r2, r2, #8 ++ vqmovn.s32 d4, q2 ++ vqmovn.s32 d5, q3 ++ vst1.64 {d4-d5}, [r0,:128]! ++ bgt 1b ++ bx lr ++ .endfunc ++ ++extern ff_float_to_int16_interleave_neon ++ cmp r3, #2 ++ ldrlt r1, [r1] ++ blt ff_float_to_int16_neon ++ bne 2f ++ ++ ldr ip, [r1] ++ ldr r1, [r1, #4] ++ vld1.64 {d0-d3}, [ip,:128]! ++ vld1.64 {d4-d7}, [r1,:128]! ++ dmb ++1: vcvt.s32.f32 q8, q0 ++ vcvt.s32.f32 q9, q1 ++ vcvt.s32.f32 q10, q2 ++ vcvt.s32.f32 q11, q3 ++ subs r2, r2, #8 ++ vqmovn.s32 d16, q8 ++ vqmovn.s32 d17, q9 ++ vqmovn.s32 d18, q10 ++ vqmovn.s32 d19, q11 ++ beq 1f ++ vld1.64 {d0-d3}, [ip,:128]! ++ vld1.64 {d4-d7}, [r1,:128]! ++ vst2.16 {d16-d19}, [r0,:64]! ++ b 1b ++1: vst2.16 {d16-d19}, [r0,:64]! ++ bx lr ++ ++2: push {r4,r5,lr} ++ lsls r4, r3, #1 ++ dmb ++ b 4f ++3: vld1.64 {d0-d3}, [ip,:128]! ++ vcvt.s32.f32 q2, q0 ++ vcvt.s32.f32 q3, q1 ++ subs lr, lr, #8 ++ vqmovn.s32 d4, q2 ++ vqmovn.s32 d5, q3 ++ vst1.16 {d4[0]}, [r5,:16], r4 ++ vst1.16 {d4[1]}, [r5,:16], r4 ++ vst1.16 {d4[2]}, [r5,:16], r4 ++ vst1.16 {d4[3]}, [r5,:16], r4 ++ vst1.16 {d5[0]}, [r5,:16], r4 ++ vst1.16 {d5[1]}, [r5,:16], r4 ++ vst1.16 {d5[2]}, [r5,:16], r4 ++ vst1.16 {d5[3]}, [r5,:16], r4 ++ bgt 3b ++ subs r3, r3, #1 ++4: ldr ip, [r1], #4 ++ mov lr, r2 ++ mov r5, r0 ++ add r0, r0, #2 ++ bne 3b ++ pop {r4,r5,pc} ++ .endfunc |