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dsputil: Move apply_window_int16 to ac3dsp

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The (optimized) functions are used nowhere else.
This commit is contained in:
Diego Biurrun 2013-12-06 12:22:40 +00:00
parent 120797e2ef
commit 4958f35a2e
13 changed files with 86 additions and 116 deletions
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15
libavcodec/ac3dsp.c
View File

@ -23,6 +23,7 @@
#include "avcodec.h"
#include "ac3.h"
#include "ac3dsp.h"
#include "mathops.h"
static void ac3_exponent_min_c(uint8_t *exp, int num_reuse_blocks, int nb_coefs)
{
@ -196,6 +197,19 @@ static void ac3_downmix_c(float **samples, float (*matrix)[2],
}
}
static void apply_window_int16_c(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len)
{
int i;
int len2 = len >> 1;
for (i = 0; i < len2; i++) {
int16_t w = window[i];
output[i] = (MUL16(input[i], w) + (1 << 14)) >> 15;
output[len-i-1] = (MUL16(input[len-i-1], w) + (1 << 14)) >> 15;
}
}
av_cold void ff_ac3dsp_init(AC3DSPContext *c, int bit_exact)
{
c->ac3_exponent_min = ac3_exponent_min_c;
@ -208,6 +222,7 @@ av_cold void ff_ac3dsp_init(AC3DSPContext *c, int bit_exact)
c->compute_mantissa_size = ac3_compute_mantissa_size_c;
c->extract_exponents = ac3_extract_exponents_c;
c->downmix = ac3_downmix_c;
c->apply_window_int16 = apply_window_int16_c;
if (ARCH_ARM)
ff_ac3dsp_init_arm(c, bit_exact);

14
libavcodec/ac3dsp.h
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@ -128,6 +128,20 @@ typedef struct AC3DSPContext {
void (*downmix)(float **samples, float (*matrix)[2], int out_ch,
int in_ch, int len);
/**
* Apply symmetric window in 16-bit fixed-point.
* @param output destination array
* constraints: 16-byte aligned
* @param input source array
* constraints: 16-byte aligned
* @param window window array
* constraints: 16-byte aligned, at least len/2 elements
* @param len full window length
* constraints: multiple of ? greater than zero
*/
void (*apply_window_int16)(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
} AC3DSPContext;
void ff_ac3dsp_init (AC3DSPContext *c, int bit_exact);

11
libavcodec/ac3enc_fixed.c
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@ -65,17 +65,6 @@ av_cold int AC3_NAME(mdct_init)(AC3EncodeContext *s)
}
/*
* Apply KBD window to input samples prior to MDCT.
*/
static void apply_window(void *dsp, int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len)
{
DSPContext *dsp0 = dsp;
dsp0->apply_window_int16(output, input, window, len);
}
/*
* Normalize the input samples to use the maximum available precision.
* This assumes signed 16-bit input samples.

12
libavcodec/ac3enc_float.c
View File

@ -83,18 +83,6 @@ av_cold int ff_ac3_float_mdct_init(AC3EncodeContext *s)
}
/*
* Apply KBD window to input samples prior to MDCT.
*/
static void apply_window(void *dsp, float *output,
const float *input, const float *window,
unsigned int len)
{
AVFloatDSPContext *fdsp = dsp;
fdsp->vector_fmul(output, input, window, len);
}
/*
* Normalize the input samples.
* Not needed for the floating-point encoder.

8
libavcodec/ac3enc_template.c
View File

@ -34,10 +34,6 @@
static void scale_coefficients(AC3EncodeContext *s);
static void apply_window(void *dsp, SampleType *output,
const SampleType *input, const SampleType *window,
unsigned int len);
static int normalize_samples(AC3EncodeContext *s);
static void clip_coefficients(DSPContext *dsp, CoefType *coef, unsigned int len);
@ -102,10 +98,10 @@ static void apply_mdct(AC3EncodeContext *s)
const SampleType *input_samples = &s->planar_samples[ch][blk * AC3_BLOCK_SIZE];
#if CONFIG_AC3ENC_FLOAT
apply_window(&s->fdsp, s->windowed_samples, input_samples,
s->fdsp.vector_fmul(s->windowed_samples, input_samples,
s->mdct_window, AC3_WINDOW_SIZE);
#else
apply_window(&s->dsp, s->windowed_samples, input_samples,
s->ac3dsp.apply_window_int16(s->windowed_samples, input_samples,
s->mdct_window, AC3_WINDOW_SIZE);
#endif

3
libavcodec/arm/ac3dsp_init_arm.c
View File

@ -31,6 +31,8 @@ void ff_ac3_lshift_int16_neon(int16_t *src, unsigned len, unsigned shift);
void ff_ac3_rshift_int32_neon(int32_t *src, unsigned len, unsigned shift);
void ff_float_to_fixed24_neon(int32_t *dst, const float *src, unsigned int len);
void ff_ac3_extract_exponents_neon(uint8_t *exp, int32_t *coef, int nb_coefs);
void ff_apply_window_int16_neon(int16_t *dst, const int16_t *src,
const int16_t *window, unsigned n);
void ff_ac3_bit_alloc_calc_bap_armv6(int16_t *mask, int16_t *psd,
int start, int end,
@ -56,5 +58,6 @@ av_cold void ff_ac3dsp_init_arm(AC3DSPContext *c, int bit_exact)
c->ac3_rshift_int32 = ff_ac3_rshift_int32_neon;
c->float_to_fixed24 = ff_float_to_fixed24_neon;
c->extract_exponents = ff_ac3_extract_exponents_neon;
c->apply_window_int16 = ff_apply_window_int16_neon;
}
}

23
libavcodec/arm/ac3dsp_neon.S
View File

@ -108,3 +108,26 @@ function ff_ac3_extract_exponents_neon, export=1
bgt 1b
bx lr
endfunc
function ff_apply_window_int16_neon, export=1
push {r4,lr}
add r4, r1, r3, lsl #1
add lr, r0, r3, lsl #1
sub r4, r4, #16
sub lr, lr, #16
mov r12, #-16
1:
vld1.16 {q0}, [r1,:128]!
vld1.16 {q2}, [r2,:128]!
vld1.16 {q1}, [r4,:128], r12
vrev64.16 q3, q2
vqrdmulh.s16 q0, q0, q2
vqrdmulh.s16 d2, d2, d7
vqrdmulh.s16 d3, d3, d6
vst1.16 {q0}, [r0,:128]!
vst1.16 {q1}, [lr,:128], r12
subs r3, r3, #16
bgt 1b
pop {r4,pc}
endfunc

5
libavcodec/arm/dsputil_init_neon.c
View File

@ -45,9 +45,6 @@ int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int le
int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2,
const int16_t *v3, int len, int mul);
void ff_apply_window_int16_neon(int16_t *dst, const int16_t *src,
const int16_t *window, unsigned n);
av_cold void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
{
const int high_bit_depth = avctx->bits_per_raw_sample > 8;
@ -76,6 +73,4 @@ av_cold void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c->scalarproduct_int16 = ff_scalarproduct_int16_neon;
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_neon;
c->apply_window_int16 = ff_apply_window_int16_neon;
}

23
libavcodec/arm/dsputil_neon.S
View File

@ -169,29 +169,6 @@ NOVFP ldr r2, [sp]
bx lr
endfunc
function ff_apply_window_int16_neon, export=1
push {r4,lr}
add r4, r1, r3, lsl #1
add lr, r0, r3, lsl #1
sub r4, r4, #16
sub lr, lr, #16
mov r12, #-16
1:
vld1.16 {q0}, [r1,:128]!
vld1.16 {q2}, [r2,:128]!
vld1.16 {q1}, [r4,:128], r12
vrev64.16 q3, q2
vqrdmulh.s16 q0, q0, q2
vqrdmulh.s16 d2, d2, d7
vqrdmulh.s16 d3, d3, d6
vst1.16 {q0}, [r0,:128]!
vst1.16 {q1}, [lr,:128], r12
subs r3, r3, #16
bgt 1b
pop {r4,pc}
endfunc
function ff_vector_clip_int32_neon, export=1
vdup.32 q0, r2
vdup.32 q1, r3

14
libavcodec/dsputil.c
View File

@ -2380,19 +2380,6 @@ static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2, co
return res;
}
static void apply_window_int16_c(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len)
{
int i;
int len2 = len >> 1;
for (i = 0; i < len2; i++) {
int16_t w = window[i];
output[i] = (MUL16(input[i], w) + (1 << 14)) >> 15;
output[len-i-1] = (MUL16(input[len-i-1], w) + (1 << 14)) >> 15;
}
}
static void vector_clip_int32_c(int32_t *dst, const int32_t *src, int32_t min,
int32_t max, unsigned int len)
{
@ -2628,7 +2615,6 @@ av_cold void ff_dsputil_init(DSPContext* c, AVCodecContext *avctx)
c->vector_clipf = vector_clipf_c;
c->scalarproduct_int16 = scalarproduct_int16_c;
c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c;
c->apply_window_int16 = apply_window_int16_c;
c->vector_clip_int32 = vector_clip_int32_c;
c->shrink[0]= av_image_copy_plane;

14
libavcodec/dsputil.h
View File

@ -271,20 +271,6 @@ typedef struct DSPContext {
*/
int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, const int16_t *v2, const int16_t *v3, int len, int mul);
/**
* Apply symmetric window in 16-bit fixed-point.
* @param output destination array
* constraints: 16-byte aligned
* @param input source array
* constraints: 16-byte aligned
* @param window window array
* constraints: 16-byte aligned, at least len/2 elements
* @param len full window length
* constraints: multiple of ? greater than zero
*/
void (*apply_window_int16)(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
/**
* Clip each element in an array of int32_t to a given minimum and maximum value.
* @param dst destination array

28
libavcodec/x86/ac3dsp_init.c
View File

@ -51,6 +51,19 @@ void ff_ac3_extract_exponents_3dnow(uint8_t *exp, int32_t *coef, int nb_coefs);
void ff_ac3_extract_exponents_sse2 (uint8_t *exp, int32_t *coef, int nb_coefs);
void ff_ac3_extract_exponents_ssse3(uint8_t *exp, int32_t *coef, int nb_coefs);
void ff_apply_window_int16_round_mmxext(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_round_sse2(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_mmxext(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_sse2(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_ssse3(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_ssse3_atom(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
#if HAVE_SSE_INLINE && HAVE_7REGS
#define IF1(x) x
@ -196,6 +209,11 @@ av_cold void ff_ac3dsp_init_x86(AC3DSPContext *c, int bit_exact)
if (EXTERNAL_MMXEXT(cpu_flags)) {
c->ac3_exponent_min = ff_ac3_exponent_min_mmxext;
c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_mmxext;
if (bit_exact) {
c->apply_window_int16 = ff_apply_window_int16_mmxext;
} else {
c->apply_window_int16 = ff_apply_window_int16_round_mmxext;
}
}
if (EXTERNAL_SSE(cpu_flags)) {
c->float_to_fixed24 = ff_float_to_fixed24_sse;
@ -210,11 +228,19 @@ av_cold void ff_ac3dsp_init_x86(AC3DSPContext *c, int bit_exact)
c->ac3_lshift_int16 = ff_ac3_lshift_int16_sse2;
c->ac3_rshift_int32 = ff_ac3_rshift_int32_sse2;
}
if (bit_exact) {
c->apply_window_int16 = ff_apply_window_int16_sse2;
} else if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
c->apply_window_int16 = ff_apply_window_int16_round_sse2;
}
}
if (EXTERNAL_SSSE3(cpu_flags)) {
c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_ssse3;
if (!(cpu_flags & AV_CPU_FLAG_ATOM)) {
if (cpu_flags & AV_CPU_FLAG_ATOM) {
c->apply_window_int16 = ff_apply_window_int16_ssse3_atom;
} else {
c->extract_exponents = ff_ac3_extract_exponents_ssse3;
c->apply_window_int16 = ff_apply_window_int16_ssse3;
}
}

28
libavcodec/x86/dsputil_init.c
View File

@ -83,19 +83,6 @@ int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2,
const int16_t *v3,
int order, int mul);
void ff_apply_window_int16_round_mmxext(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_round_sse2(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_mmxext(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_sse2(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_ssse3(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_apply_window_int16_ssse3_atom(int16_t *output, const int16_t *input,
const int16_t *window, unsigned int len);
void ff_bswap32_buf_ssse3(uint32_t *dst, const uint32_t *src, int w);
void ff_bswap32_buf_sse2(uint32_t *dst, const uint32_t *src, int w);
@ -596,12 +583,6 @@ static av_cold void dsputil_init_mmxext(DSPContext *c, AVCodecContext *avctx,
c->scalarproduct_int16 = ff_scalarproduct_int16_mmxext;
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext;
if (avctx->flags & CODEC_FLAG_BITEXACT) {
c->apply_window_int16 = ff_apply_window_int16_mmxext;
} else {
c->apply_window_int16 = ff_apply_window_int16_round_mmxext;
}
#endif /* HAVE_MMXEXT_EXTERNAL */
}
@ -651,11 +632,6 @@ static av_cold void dsputil_init_sse2(DSPContext *c, AVCodecContext *avctx,
} else {
c->vector_clip_int32 = ff_vector_clip_int32_sse2;
}
if (avctx->flags & CODEC_FLAG_BITEXACT) {
c->apply_window_int16 = ff_apply_window_int16_sse2;
} else if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
c->apply_window_int16 = ff_apply_window_int16_round_sse2;
}
c->bswap_buf = ff_bswap32_buf_sse2;
#endif /* HAVE_SSE2_EXTERNAL */
}
@ -668,10 +644,6 @@ static av_cold void dsputil_init_ssse3(DSPContext *c, AVCodecContext *avctx,
if (cpu_flags & AV_CPU_FLAG_SSE4) // not really SSE4, just slow on Conroe
c->add_hfyu_left_prediction = ff_add_hfyu_left_prediction_sse4;
if (cpu_flags & AV_CPU_FLAG_ATOM)
c->apply_window_int16 = ff_apply_window_int16_ssse3_atom;
else
c->apply_window_int16 = ff_apply_window_int16_ssse3;
if (!(cpu_flags & (AV_CPU_FLAG_SSE42 | AV_CPU_FLAG_3DNOW))) // cachesplit
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_ssse3;
c->bswap_buf = ff_bswap32_buf_ssse3;