On Sun, Feb 09, 2014 at 02:33:42PM +0100, Christophe Gisquet wrote:
> --- a/libavcodec/arm/dcadsp_init_arm.c
> +++ b/libavcodec/arm/dcadsp_init_arm.c
> @@ -53,6 +53,45 @@ void ff_synth_filter_float_neon(FFTContext *imdct,
>
> +#if HAVE_NEON_INLINE && HAVE_ASM_MOD_Y
> +
> +static inline void int8x8_fmul_int32(av_unused DCADSPContext *dsp,
> + float *dst, const int8_t *src, int
> scale)
> +{
> +}
> +
> +static void 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)
> +{
> +}
> +
> +#endif
Please comment the #endif.
> --- a/libavcodec/dcadec.c
> +++ b/libavcodec/dcadec.c
> @@ -50,14 +50,11 @@
> #if ARCH_ARM
> # include "arm/dca.h"
> #endif
> -#if ARCH_X86
> -# include "x86/dca.h"
> -#endif
>
> //#define TRACE
>
> #define DCA_PRIM_CHANNELS_MAX (7)
> -#define DCA_SUBBANDS (32)
> +// DCA_SUBBANDS defined in dcadsp.h
Drop this comment.
> --- a/libavcodec/dcadsp.h
> +++ b/libavcodec/dcadsp.h
> @@ -22,6 +22,8 @@
>
> +#define DCA_SUBBANDS (32)
The spacing looks slightly off, the () are redundant.
> --- a/libavcodec/x86/dca.h
> +++ /dev/null
> @@ -1,55 +0,0 @@
> -
> -#if ARCH_X86_64 && HAVE_SSE2_INLINE
> -# include "libavutil/x86/asm.h"
> -# include "libavutil/mem.h"
> -#include "libavcodec/dcadsp.h"
> -
> -# define int8x8_fmul_int32 int8x8_fmul_int32
> -static inline void int8x8_fmul_int32(av_unused DCADSPContext *dsp,
> - float *dst, const int8_t *src, int
> scale)
> -{
> - DECLARE_ALIGNED(16, static const uint32_t, inverse16) = 0x3D800000;
> - __asm__ volatile (
> - "cvtsi2ss %2, %%xmm0 \n\t"
> - "mulss %3, %%xmm0 \n\t"
> - "movq (%1), %%xmm1 \n\t"
> - "punpcklbw %%xmm1, %%xmm1 \n\t"
> - "movaps %%xmm1, %%xmm2 \n\t"
> - "punpcklwd %%xmm1, %%xmm1 \n\t"
> - "punpckhwd %%xmm2, %%xmm2 \n\t"
> - "psrad $24, %%xmm1 \n\t"
> - "psrad $24, %%xmm2 \n\t"
> - "shufps $0, %%xmm0, %%xmm0 \n\t"
> - "cvtdq2ps %%xmm1, %%xmm1 \n\t"
> - "cvtdq2ps %%xmm2, %%xmm2 \n\t"
> - "mulps %%xmm0, %%xmm1 \n\t"
> - "mulps %%xmm0, %%xmm2 \n\t"
> - "movaps %%xmm1, 0(%0) \n\t"
> - "movaps %%xmm2, 16(%0) \n\t"
> - :: "r"(dst), "r"(src), "m"(scale), "m"(inverse16)
> - XMM_CLOBBERS_ONLY("xmm0", "xmm1", "xmm2")
> - );
> -}
> -
> -#endif /* ARCH_X86_64 && HAVE_SSE2_INLINE */
> --- a/libavcodec/x86/dcadsp.asm
> +++ b/libavcodec/x86/dcadsp.asm
> @@ -26,18 +26,37 @@ pf_inv16: times 4 dd 0x3D800000 ; 1/16
>
> -; void int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale)
> -%macro INT8X8_FMUL_INT32 0
> -cglobal int8x8_fmul_int32, 3,3,5, dst, src, scale
> - cvtsi2ss m0, scalem
> +; decode_hf(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)
Indentation is off.
> +%macro DECODE_HF 0
> +cglobal decode_hf, 6,6,5, dst, num, src, offset, scale, start, end
I owe you a beer for eliminating the inline assembly :)
> @@ -67,27 +86,33 @@ cglobal int8x8_fmul_int32, 3,3,5, dst, src, scale
> mulps m1, m0
> mulps m2, m0
> - mova [dstq+ 0], m1
> - mova [dstq+16], m2
> + mova [dstq + 8*startq + 0], m1
> + mova [dstq + 8*startq + 16], m2
> + add startq, 4
> + cmp startq, endm
> + jl .loop
> +.end:
> +%if cpuflag(sse2) == 0
notcpuflag?
Diego
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