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https://github.com/FFmpeg/FFmpeg.git
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Merge commit '4cb6964244fd6c099383d8b7e99731e72cc844b9'
* commit '4cb6964244fd6c099383d8b7e99731e72cc844b9': dcadec: simplify decoding of VQ high frequencies Conflicts: configure libavcodec/dcadec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
commit
fb3c33f3cd
2
configure
vendored
2
configure
vendored
@ -1540,7 +1540,6 @@ HAVE_LIST="
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altivec_h
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arpa_inet_h
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asm_mod_q
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asm_mod_y
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asm_types_h
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atomic_cas_ptr
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atomics_native
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@ -4147,7 +4146,6 @@ EOF
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$ARCH_EXT_LIST_ARM
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check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
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check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
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[ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
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@ -79,27 +79,4 @@ static inline int decode_blockcodes(int code1, int code2, int levels,
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#endif
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#if HAVE_NEON_INLINE && HAVE_ASM_MOD_Y
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#define int8x8_fmul_int32 int8x8_fmul_int32
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static inline void int8x8_fmul_int32(av_unused DCADSPContext *dsp,
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float *dst, const int8_t *src, int scale)
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{
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__asm__ ("vcvt.f32.s32 %2, %2, #4 \n"
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"vld1.8 {d0}, [%1,:64] \n"
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"vmovl.s8 q0, d0 \n"
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"vmovl.s16 q1, d1 \n"
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"vmovl.s16 q0, d0 \n"
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"vcvt.f32.s32 q0, q0 \n"
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"vcvt.f32.s32 q1, q1 \n"
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"vmul.f32 q0, q0, %y2 \n"
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"vmul.f32 q1, q1, %y2 \n"
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"vst1.32 {q0-q1}, [%m0,:128] \n"
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: "=Um"(*(float (*)[8])dst)
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: "r"(src), "x"(scale)
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: "d0", "d1", "d2", "d3");
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}
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#endif
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#endif /* AVCODEC_ARM_DCA_H */
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@ -49,14 +49,10 @@
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#if ARCH_ARM
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# include "arm/dca.h"
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#endif
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#if ARCH_X86
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# include "x86/dca.h"
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#endif
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//#define TRACE
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#define DCA_PRIM_CHANNELS_MAX (7)
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#define DCA_SUBBANDS (64)
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#define DCA_ABITS_MAX (32) /* Should be 28 */
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#define DCA_SUBSUBFRAMES_MAX (4)
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#define DCA_SUBFRAMES_MAX (16)
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@ -403,7 +399,7 @@ typedef struct {
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int prediction_vq[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< prediction VQ coefs
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int bitalloc[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< bit allocation index
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int transition_mode[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< transition mode (transients)
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int scale_factor[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][2]; ///< scale factors (2 if transient)
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int32_t scale_factor[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][2];///< scale factors (2 if transient)
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int joint_huff[DCA_PRIM_CHANNELS_MAX]; ///< joint subband scale factors codebook
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int joint_scale_factor[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< joint subband scale factors
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float downmix_coef[DCA_PRIM_CHANNELS_MAX + 1][2]; ///< stereo downmix coefficients
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@ -416,7 +412,7 @@ typedef struct {
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uint8_t core_downmix_amode; ///< audio channel arrangement of embedded downmix
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uint16_t core_downmix_codes[DCA_PRIM_CHANNELS_MAX + 1][4]; ///< embedded downmix coefficients (9-bit codes)
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int high_freq_vq[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< VQ encoded high frequency subbands
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int32_t high_freq_vq[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS]; ///< VQ encoded high frequency subbands
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float lfe_data[2 * DCA_LFE_MAX * (DCA_BLOCKS_MAX + 4)]; ///< Low frequency effect data
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int lfe_scale_factor;
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@ -1249,14 +1245,6 @@ static int decode_blockcodes(int code1, int code2, int levels, int32_t *values)
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static const uint8_t abits_sizes[7] = { 7, 10, 12, 13, 15, 17, 19 };
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static const uint8_t abits_levels[7] = { 3, 5, 7, 9, 13, 17, 25 };
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#ifndef int8x8_fmul_int32
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static inline void int8x8_fmul_int32(DCADSPContext *dsp, float *dst,
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const int8_t *src, int scale)
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{
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dsp->int8x8_fmul_int32(dst, src, scale);
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}
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#endif
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static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
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{
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int k, l;
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@ -1381,20 +1369,16 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
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/*
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* Decode VQ encoded high frequencies
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*/
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for (l = s->vq_start_subband[k]; l < s->subband_activity[k]; l++) {
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/* 1 vector -> 32 samples but we only need the 8 samples
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* for this subsubframe. */
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int hfvq = s->high_freq_vq[k][l];
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if (s->subband_activity[k] > s->vq_start_subband[k]) {
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if (!s->debug_flag & 0x01) {
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av_log(s->avctx, AV_LOG_DEBUG,
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"Stream with high frequencies VQ coding\n");
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s->debug_flag |= 0x01;
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}
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int8x8_fmul_int32(&s->dcadsp, subband_samples[k][l],
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&high_freq_vq[hfvq][subsubframe * 8],
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s->scale_factor[k][l][0]);
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s->dcadsp.decode_hf(subband_samples[k], s->high_freq_vq[k],
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high_freq_vq, subsubframe * 8,
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s->scale_factor[k], s->vq_start_subband[k],
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s->subband_activity[k]);
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}
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}
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@ -24,12 +24,22 @@
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#include "libavutil/intreadwrite.h"
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#include "dcadsp.h"
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static void int8x8_fmul_int32_c(float *dst, const int8_t *src, int scale)
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static void decode_hf_c(float dst[DCA_SUBBANDS][8],
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const int32_t vq_num[DCA_SUBBANDS],
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const int8_t hf_vq[1024][32], intptr_t vq_offset,
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int32_t scale[DCA_SUBBANDS][2],
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intptr_t start, intptr_t end)
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{
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float fscale = scale / 16.0;
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int i;
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for (i = 0; i < 8; i++)
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dst[i] = src[i] * fscale;
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int i, l;
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for (l = start; l < end; l++) {
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/* 1 vector -> 32 samples but we only need the 8 samples
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* for this subsubframe. */
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const int8_t *ptr = &hf_vq[vq_num[l]][vq_offset];
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float fscale = scale[l][0] * (1 / 16.0);
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for (i = 0; i < 8; i++)
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dst[l][i] = ptr[i] * fscale;
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}
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}
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static inline void
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@ -96,7 +106,7 @@ av_cold void ff_dcadsp_init(DCADSPContext *s)
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s->lfe_fir[0] = dca_lfe_fir0_c;
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s->lfe_fir[1] = dca_lfe_fir1_c;
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s->qmf_32_subbands = dca_qmf_32_subbands;
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s->int8x8_fmul_int32 = int8x8_fmul_int32_c;
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s->decode_hf = decode_hf_c;
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if (ARCH_ARM) ff_dcadsp_init_arm(s);
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if (ARCH_X86) ff_dcadsp_init_x86(s);
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}
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@ -22,6 +22,8 @@
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#include "avfft.h"
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#include "synth_filter.h"
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#define DCA_SUBBANDS 64
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typedef struct DCADSPContext {
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void (*lfe_fir[2])(float *out, const float *in, const float *coefs);
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void (*qmf_32_subbands)(float samples_in[32][8], int sb_act,
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@ -30,7 +32,11 @@ typedef struct DCADSPContext {
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int *synth_buf_offset, float synth_buf2[32],
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const float window[512], float *samples_out,
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float raXin[32], float scale);
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void (*int8x8_fmul_int32)(float *dst, const int8_t *src, int scale);
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void (*decode_hf)(float dst[DCA_SUBBANDS][8],
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const int32_t vq_num[DCA_SUBBANDS],
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const int8_t hf_vq[1024][32], intptr_t vq_offset,
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int32_t scale[DCA_SUBBANDS][2],
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intptr_t start, intptr_t end);
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} DCADSPContext;
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void ff_dcadsp_init(DCADSPContext *s);
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@ -26,18 +26,35 @@ pf_inv16: times 4 dd 0x3D800000 ; 1/16
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SECTION_TEXT
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; void int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale)
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%macro INT8X8_FMUL_INT32 0
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cglobal int8x8_fmul_int32, 3,3,5, dst, src, scale
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cvtsi2ss m0, scalem
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; void decode_hf(float dst[DCA_SUBBANDS][8], const int32_t vq_num[DCA_SUBBANDS],
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; const int8_t hf_vq[1024][32], intptr_t vq_offset,
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; int32_t scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end)
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%macro DECODE_HF 0
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cglobal decode_hf, 6,6,5, dst, num, src, offset, scale, start, end
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lea srcq, [srcq + offsetq]
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shl startq, 2
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mov offsetd, endm
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%define DICT offsetq
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shl offsetq, 2
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mov endm, offsetq
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.loop:
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%if ARCH_X86_64
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mov offsetd, [scaleq + 2 * startq]
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cvtsi2ss m0, offsetd
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%else
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cvtsi2ss m0, [scaleq + 2 * startq]
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%endif
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mov offsetd, [numq + startq]
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mulss m0, [pf_inv16]
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shl DICT, 5
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shufps m0, m0, 0
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%if cpuflag(sse2)
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%if cpuflag(sse4)
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pmovsxbd m1, [srcq+0]
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pmovsxbd m2, [srcq+4]
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pmovsxbd m1, [srcq + DICT + 0]
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pmovsxbd m2, [srcq + DICT + 4]
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%else
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movq m1, [srcq]
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movq m1, [srcq + DICT]
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punpcklbw m1, m1
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mova m2, m1
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punpcklwd m1, m1
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@ -48,8 +65,8 @@ cglobal int8x8_fmul_int32, 3,3,5, dst, src, scale
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cvtdq2ps m1, m1
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cvtdq2ps m2, m2
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%else
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movd mm0, [srcq+0]
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movd mm1, [srcq+4]
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movd mm0, [srcq + DICT + 0]
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movd mm1, [srcq + DICT + 4]
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punpcklbw mm0, mm0
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punpcklbw mm1, mm1
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movq mm2, mm0
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@ -67,27 +84,33 @@ cglobal int8x8_fmul_int32, 3,3,5, dst, src, scale
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cvtpi2ps m3, mm2
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cvtpi2ps m4, mm3
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shufps m0, m0, 0
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emms
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shufps m1, m3, q1010
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shufps m2, m4, q1010
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%endif
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mulps m1, m0
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mulps m2, m0
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mova [dstq+ 0], m1
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mova [dstq+16], m2
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mova [dstq + 8 * startq + 0], m1
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mova [dstq + 8 * startq + 16], m2
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add startq, 4
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cmp startq, endm
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jl .loop
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.end:
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%if notcpuflag(sse2)
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emms
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%endif
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REP_RET
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%endmacro
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%if ARCH_X86_32
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INIT_XMM sse
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INT8X8_FMUL_INT32
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DECODE_HF
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%endif
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INIT_XMM sse2
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INT8X8_FMUL_INT32
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DECODE_HF
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INIT_XMM sse4
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INT8X8_FMUL_INT32
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DECODE_HF
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; %1=v0/v1 %2=in1 %3=in2
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%macro FIR_LOOP 2-3
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@ -23,9 +23,15 @@
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/dcadsp.h"
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void ff_int8x8_fmul_int32_sse(float *dst, const int8_t *src, int scale);
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void ff_int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale);
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void ff_int8x8_fmul_int32_sse4(float *dst, const int8_t *src, int scale);
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void ff_decode_hf_sse(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
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const int8_t hf_vq[1024][32], intptr_t vq_offset,
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int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
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void ff_decode_hf_sse2(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
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const int8_t hf_vq[1024][32], intptr_t vq_offset,
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int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
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void ff_decode_hf_sse4(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS],
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const int8_t hf_vq[1024][32], intptr_t vq_offset,
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int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end);
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void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs);
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void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs);
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@ -35,18 +41,18 @@ av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
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if (EXTERNAL_SSE(cpu_flags)) {
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#if ARCH_X86_32
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s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse;
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s->decode_hf = ff_decode_hf_sse;
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#endif
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s->lfe_fir[0] = ff_dca_lfe_fir0_sse;
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s->lfe_fir[1] = ff_dca_lfe_fir1_sse;
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse2;
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s->decode_hf = ff_decode_hf_sse2;
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}
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if (EXTERNAL_SSE4(cpu_flags)) {
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s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse4;
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s->decode_hf = ff_decode_hf_sse4;
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}
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}
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