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floatdsp: move butterflies_float from dsputil to avfloatdsp.

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This makes wmadec/enc, twinvq and mpegaudiodec (i.e. mp2/mp3)
independent of dsputil.
This commit is contained in:
Ronald S. Bultje
2013-01-20 15:41:14 -08:00
parent 42d3246948
commit 5959bfaca3
15 changed files with 51 additions and 47 deletions
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6
libavcodec/aacdec.c
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@@ -1693,9 +1693,9 @@ static void apply_mid_side_stereo(AACContext *ac, ChannelElement *cpe)
if (cpe->ms_mask[idx] &&
cpe->ch[0].band_type[idx] < NOISE_BT && cpe->ch[1].band_type[idx] < NOISE_BT) {
for (group = 0; group < ics->group_len[g]; group++) {
ac->dsp.butterflies_float(ch0 + group * 128 + offsets[i],
ch1 + group * 128 + offsets[i],
offsets[i+1] - offsets[i]);
ac->fdsp.butterflies_float(ch0 + group * 128 + offsets[i],
ch1 + group * 128 + offsets[i],
offsets[i+1] - offsets[i]);
}
}
}

2
libavcodec/arm/dsputil_init_neon.c
View File

@@ -142,7 +142,6 @@ void ff_avg_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
void ff_avg_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
void ff_avg_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
void ff_butterflies_float_neon(float *v1, float *v2, int len);
float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len);
void ff_vector_clipf_neon(float *dst, const float *src, float min, float max,
@@ -294,7 +293,6 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c->avg_h264_qpel_pixels_tab[1][15] = ff_avg_h264_qpel8_mc33_neon;
}
c->butterflies_float = ff_butterflies_float_neon;
c->scalarproduct_float = ff_scalarproduct_float_neon;
c->vector_clipf = ff_vector_clipf_neon;
c->vector_clip_int32 = ff_vector_clip_int32_neon;

12
libavcodec/arm/dsputil_neon.S
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@@ -531,18 +531,6 @@ function ff_add_pixels_clamped_neon, export=1
bx lr
endfunc
function ff_butterflies_float_neon, export=1
1: vld1.32 {q0},[r0,:128]
vld1.32 {q1},[r1,:128]
vsub.f32 q2, q0, q1
vadd.f32 q1, q0, q1
vst1.32 {q2},[r1,:128]!
vst1.32 {q1},[r0,:128]!
subs r2, r2, #4
bgt 1b
bx lr
endfunc
function ff_scalarproduct_float_neon, export=1
vmov.f32 q2, #0.0
1: vld1.32 {q0},[r0,:128]!

12
libavcodec/dsputil.c
View File

@@ -2353,17 +2353,6 @@ WRAPPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c)
WRAPPER8_16_SQ(rd8x8_c, rd16_c)
WRAPPER8_16_SQ(bit8x8_c, bit16_c)
static void butterflies_float_c(float *restrict v1, float *restrict v2,
int len)
{
int i;
for (i = 0; i < len; i++) {
float t = v1[i] - v2[i];
v1[i] += v2[i];
v2[i] = t;
}
}
float ff_scalarproduct_float_c(const float *v1, const float *v2, int len)
{
float p = 0.0;
@@ -2706,7 +2695,6 @@ av_cold void ff_dsputil_init(DSPContext* c, AVCodecContext *avctx)
c->apply_window_int16 = apply_window_int16_c;
c->vector_clip_int32 = vector_clip_int32_c;
c->scalarproduct_float = ff_scalarproduct_float_c;
c->butterflies_float = butterflies_float_c;
c->shrink[0]= av_image_copy_plane;
c->shrink[1]= ff_shrink22;

7
libavcodec/dsputil.h
View File

@@ -349,13 +349,6 @@ typedef struct DSPContext {
* @param len length of vectors, multiple of 4
*/
float (*scalarproduct_float)(const float *v1, const float *v2, int len);
/**
* Calculate the sum and difference of two vectors of floats.
* @param v1 first input vector, sum output, 16-byte aligned
* @param v2 second input vector, difference output, 16-byte aligned
* @param len length of vectors, multiple of 4
*/
void (*butterflies_float)(float *restrict v1, float *restrict v2, int len);
/* (I)DCT */
void (*fdct)(DCTELEM *block/* align 16*/);

7
libavcodec/imc.c
View File

@@ -36,6 +36,7 @@
#include <stdio.h>
#include "libavutil/channel_layout.h"
#include "libavutil/float_dsp.h"
#include "avcodec.h"
#include "get_bits.h"
#include "dsputil.h"
@@ -95,6 +96,7 @@ typedef struct {
GetBitContext gb;
DSPContext dsp;
AVFloatDSPContext fdsp;
FFTContext fft;
DECLARE_ALIGNED(32, FFTComplex, samples)[COEFFS / 2];
float *out_samples;
@@ -244,6 +246,7 @@ static av_cold int imc_decode_init(AVCodecContext *avctx)
return ret;
}
ff_dsputil_init(&q->dsp, avctx);
avpriv_float_dsp_init(&q->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
avctx->channel_layout = avctx->channels == 1 ? AV_CH_LAYOUT_MONO
: AV_CH_LAYOUT_STEREO;
@@ -959,8 +962,8 @@ static int imc_decode_frame(AVCodecContext *avctx, void *data,
}
if (avctx->channels == 2) {
q->dsp.butterflies_float((float *)q->frame.extended_data[0],
(float *)q->frame.extended_data[1], COEFFS);
q->fdsp.butterflies_float((float *)q->frame.extended_data[0],
(float *)q->frame.extended_data[1], COEFFS);
}
*got_frame_ptr = 1;

7
libavcodec/mpegaudiodec.c
View File

@@ -25,6 +25,7 @@
*/
#include "libavutil/channel_layout.h"
#include "libavutil/float_dsp.h"
#include "avcodec.h"
#include "get_bits.h"
#include "internal.h"
@@ -82,7 +83,7 @@ typedef struct MPADecodeContext {
int err_recognition;
AVCodecContext* avctx;
MPADSPContext mpadsp;
DSPContext dsp;
AVFloatDSPContext fdsp;
AVFrame frame;
} MPADecodeContext;
@@ -434,8 +435,8 @@ static av_cold int decode_init(AVCodecContext * avctx)
s->avctx = avctx;
avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
ff_mpadsp_init(&s->mpadsp);
ff_dsputil_init(&s->dsp, avctx);
if (avctx->request_sample_fmt == OUT_FMT &&
avctx->codec_id != AV_CODEC_ID_MP3ON4)
@@ -1157,7 +1158,7 @@ found2:
/* NOTE: the 1/sqrt(2) normalization factor is included in the
global gain */
#if CONFIG_FLOAT
s-> dsp.butterflies_float(g0->sb_hybrid, g1->sb_hybrid, 576);
s->fdsp.butterflies_float(g0->sb_hybrid, g1->sb_hybrid, 576);
#else
tab0 = g0->sb_hybrid;
tab1 = g1->sb_hybrid;

4
libavcodec/twinvq.c
View File

@@ -178,7 +178,6 @@ static const ModeTab mode_44_48 = {
typedef struct TwinContext {
AVCodecContext *avctx;
AVFrame frame;
DSPContext dsp;
AVFloatDSPContext fdsp;
FFTContext mdct_ctx[3];
@@ -693,7 +692,7 @@ static void imdct_output(TwinContext *tctx, enum FrameType ftype, int wtype,
if (tctx->avctx->channels == 2) {
memcpy(&out[1][0], &prev_buf[2*mtab->size], size1 * sizeof(out[1][0]));
memcpy(&out[1][size1], &tctx->curr_frame[2*mtab->size], size2 * sizeof(out[1][0]));
tctx->dsp.butterflies_float(out[0], out[1], mtab->size);
tctx->fdsp.butterflies_float(out[0], out[1], mtab->size);
}
}
@@ -1157,7 +1156,6 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
return -1;
}
ff_dsputil_init(&tctx->dsp, avctx);
avpriv_float_dsp_init(&tctx->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
if ((ret = init_mdct_win(tctx))) {
av_log(avctx, AV_LOG_ERROR, "Error initializing MDCT\n");

1
libavcodec/wma.c
View File

@@ -82,7 +82,6 @@ int ff_wma_init(AVCodecContext *avctx, int flags2)
|| avctx->bit_rate <= 0)
return -1;
ff_dsputil_init(&s->dsp, avctx);
ff_fmt_convert_init(&s->fmt_conv, avctx);
avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);

1
libavcodec/wma.h
View File

@@ -132,7 +132,6 @@ typedef struct WMACodecContext {
float lsp_pow_e_table[256];
float lsp_pow_m_table1[(1 << LSP_POW_BITS)];
float lsp_pow_m_table2[(1 << LSP_POW_BITS)];
DSPContext dsp;
FmtConvertContext fmt_conv;
AVFloatDSPContext fdsp;

2
libavcodec/wmadec.c
View File

@@ -719,7 +719,7 @@ static int wma_decode_block(WMACodecContext *s)
s->channel_coded[0] = 1;
}
s->dsp.butterflies_float(s->coefs[0], s->coefs[1], s->block_len);
s->fdsp.butterflies_float(s->coefs[0], s->coefs[1], s->block_len);
}
next:

3
libavutil/arm/float_dsp_init_neon.c
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@@ -41,6 +41,8 @@ void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1,
void ff_vector_fmul_reverse_neon(float *dst, const float *src0,
const float *src1, int len);
void ff_butterflies_float_neon(float *v1, float *v2, int len);
void ff_float_dsp_init_neon(AVFloatDSPContext *fdsp)
{
fdsp->vector_fmul = ff_vector_fmul_neon;
@@ -49,4 +51,5 @@ void ff_float_dsp_init_neon(AVFloatDSPContext *fdsp)
fdsp->vector_fmul_window = ff_vector_fmul_window_neon;
fdsp->vector_fmul_add = ff_vector_fmul_add_neon;
fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_neon;
fdsp->butterflies_float = ff_butterflies_float_neon;
}

12
libavutil/arm/float_dsp_neon.S
View File

@@ -244,3 +244,15 @@ function ff_vector_fmul_reverse_neon, export=1
2: vst1.32 {q8-q9}, [r0,:128]!
bx lr
endfunc
function ff_butterflies_float_neon, export=1
1: vld1.32 {q0},[r0,:128]
vld1.32 {q1},[r1,:128]
vsub.f32 q2, q0, q1
vadd.f32 q1, q0, q1
vst1.32 {q2},[r1,:128]!
vst1.32 {q1},[r0,:128]!
subs r2, r2, #4
bgt 1b
bx lr
endfunc

13
libavutil/float_dsp.c
View File

@@ -89,6 +89,18 @@ static void vector_fmul_reverse_c(float *dst, const float *src0,
dst[i] = src0[i] * src1[-i];
}
static void butterflies_float_c(float *restrict v1, float *restrict v2,
int len)
{
int i;
for (i = 0; i < len; i++) {
float t = v1[i] - v2[i];
v1[i] += v2[i];
v2[i] = t;
}
}
void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
{
fdsp->vector_fmul = vector_fmul_c;
@@ -98,6 +110,7 @@ void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
fdsp->vector_fmul_window = vector_fmul_window_c;
fdsp->vector_fmul_add = vector_fmul_add_c;
fdsp->vector_fmul_reverse = vector_fmul_reverse_c;
fdsp->butterflies_float = butterflies_float_c;
#if ARCH_ARM
ff_float_dsp_init_arm(fdsp);

9
libavutil/float_dsp.h
View File

@@ -137,6 +137,15 @@ typedef struct AVFloatDSPContext {
*/
void (*vector_fmul_reverse)(float *dst, const float *src0,
const float *src1, int len);
/**
* Calculate the sum and difference of two vectors of floats.
*
* @param v1 first input vector, sum output, 16-byte aligned
* @param v2 second input vector, difference output, 16-byte aligned
* @param len length of vectors, multiple of 4
*/
void (*butterflies_float)(float *restrict v1, float *restrict v2, int len);
} AVFloatDSPContext;
/**