diff options
Diffstat (limited to 'ffmpeg/libavcodec/x86/mpegvideo.c')
| -rw-r--r-- | ffmpeg/libavcodec/x86/mpegvideo.c | 155 |
1 files changed, 9 insertions, 146 deletions
diff --git a/ffmpeg/libavcodec/x86/mpegvideo.c b/ffmpeg/libavcodec/x86/mpegvideo.c index 903ad62..b2ce680 100644 --- a/ffmpeg/libavcodec/x86/mpegvideo.c +++ b/ffmpeg/libavcodec/x86/mpegvideo.c @@ -22,11 +22,12 @@ #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/x86/asm.h" +#include "libavutil/x86/cpu.h" #include "libavcodec/avcodec.h" #include "libavcodec/mpegvideo.h" -#include "dsputil_mmx.h" +#include "dsputil_x86.h" -#if HAVE_INLINE_ASM +#if HAVE_MMX_INLINE static void dct_unquantize_h263_intra_mmx(MpegEncContext *s, int16_t *block, int n, int qscale) @@ -111,7 +112,7 @@ static void dct_unquantize_h263_inter_mmx(MpegEncContext *s, qmul = qscale << 1; qadd = (qscale - 1) | 1; - assert(s->block_last_index[n]>=0 || s->h263_aic); + av_assert2(s->block_last_index[n]>=0 || s->h263_aic); nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; @@ -164,28 +165,6 @@ __asm__ volatile( ); } - -/* - We can suppose that result of two multiplications can't be greater than 0xFFFF - i.e. is 16-bit, so we use here only PMULLW instruction and can avoid - a complex multiplication. -===================================================== - Full formula for multiplication of 2 integer numbers - which are represent as high:low words: - input: value1 = high1:low1 - value2 = high2:low2 - output: value3 = value1*value2 - value3=high3:low3 (on overflow: modulus 2^32 wrap-around) - this mean that for 0x123456 * 0x123456 correct result is 0x766cb0ce4 - but this algorithm will compute only 0x66cb0ce4 - this limited by 16-bit size of operands - --------------------------------- - tlow1 = high1*low2 - tlow2 = high2*low1 - tlow1 = tlow1 + tlow2 - high3:low3 = low1*low2 - high3 += tlow1 -*/ static void dct_unquantize_mpeg1_intra_mmx(MpegEncContext *s, int16_t *block, int n, int qscale) { @@ -464,124 +443,14 @@ __asm__ volatile( ); } -static void denoise_dct_mmx(MpegEncContext *s, int16_t *block){ - const int intra= s->mb_intra; - int *sum= s->dct_error_sum[intra]; - uint16_t *offset= s->dct_offset[intra]; - - s->dct_count[intra]++; - - __asm__ volatile( - "pxor %%mm7, %%mm7 \n\t" - "1: \n\t" - "pxor %%mm0, %%mm0 \n\t" - "pxor %%mm1, %%mm1 \n\t" - "movq (%0), %%mm2 \n\t" - "movq 8(%0), %%mm3 \n\t" - "pcmpgtw %%mm2, %%mm0 \n\t" - "pcmpgtw %%mm3, %%mm1 \n\t" - "pxor %%mm0, %%mm2 \n\t" - "pxor %%mm1, %%mm3 \n\t" - "psubw %%mm0, %%mm2 \n\t" - "psubw %%mm1, %%mm3 \n\t" - "movq %%mm2, %%mm4 \n\t" - "movq %%mm3, %%mm5 \n\t" - "psubusw (%2), %%mm2 \n\t" - "psubusw 8(%2), %%mm3 \n\t" - "pxor %%mm0, %%mm2 \n\t" - "pxor %%mm1, %%mm3 \n\t" - "psubw %%mm0, %%mm2 \n\t" - "psubw %%mm1, %%mm3 \n\t" - "movq %%mm2, (%0) \n\t" - "movq %%mm3, 8(%0) \n\t" - "movq %%mm4, %%mm2 \n\t" - "movq %%mm5, %%mm3 \n\t" - "punpcklwd %%mm7, %%mm4 \n\t" - "punpckhwd %%mm7, %%mm2 \n\t" - "punpcklwd %%mm7, %%mm5 \n\t" - "punpckhwd %%mm7, %%mm3 \n\t" - "paddd (%1), %%mm4 \n\t" - "paddd 8(%1), %%mm2 \n\t" - "paddd 16(%1), %%mm5 \n\t" - "paddd 24(%1), %%mm3 \n\t" - "movq %%mm4, (%1) \n\t" - "movq %%mm2, 8(%1) \n\t" - "movq %%mm5, 16(%1) \n\t" - "movq %%mm3, 24(%1) \n\t" - "add $16, %0 \n\t" - "add $32, %1 \n\t" - "add $16, %2 \n\t" - "cmp %3, %0 \n\t" - " jb 1b \n\t" - : "+r" (block), "+r" (sum), "+r" (offset) - : "r"(block+64) - ); -} - -static void denoise_dct_sse2(MpegEncContext *s, int16_t *block){ - const int intra= s->mb_intra; - int *sum= s->dct_error_sum[intra]; - uint16_t *offset= s->dct_offset[intra]; - - s->dct_count[intra]++; - - __asm__ volatile( - "pxor %%xmm7, %%xmm7 \n\t" - "1: \n\t" - "pxor %%xmm0, %%xmm0 \n\t" - "pxor %%xmm1, %%xmm1 \n\t" - "movdqa (%0), %%xmm2 \n\t" - "movdqa 16(%0), %%xmm3 \n\t" - "pcmpgtw %%xmm2, %%xmm0 \n\t" - "pcmpgtw %%xmm3, %%xmm1 \n\t" - "pxor %%xmm0, %%xmm2 \n\t" - "pxor %%xmm1, %%xmm3 \n\t" - "psubw %%xmm0, %%xmm2 \n\t" - "psubw %%xmm1, %%xmm3 \n\t" - "movdqa %%xmm2, %%xmm4 \n\t" - "movdqa %%xmm3, %%xmm5 \n\t" - "psubusw (%2), %%xmm2 \n\t" - "psubusw 16(%2), %%xmm3 \n\t" - "pxor %%xmm0, %%xmm2 \n\t" - "pxor %%xmm1, %%xmm3 \n\t" - "psubw %%xmm0, %%xmm2 \n\t" - "psubw %%xmm1, %%xmm3 \n\t" - "movdqa %%xmm2, (%0) \n\t" - "movdqa %%xmm3, 16(%0) \n\t" - "movdqa %%xmm4, %%xmm6 \n\t" - "movdqa %%xmm5, %%xmm0 \n\t" - "punpcklwd %%xmm7, %%xmm4 \n\t" - "punpckhwd %%xmm7, %%xmm6 \n\t" - "punpcklwd %%xmm7, %%xmm5 \n\t" - "punpckhwd %%xmm7, %%xmm0 \n\t" - "paddd (%1), %%xmm4 \n\t" - "paddd 16(%1), %%xmm6 \n\t" - "paddd 32(%1), %%xmm5 \n\t" - "paddd 48(%1), %%xmm0 \n\t" - "movdqa %%xmm4, (%1) \n\t" - "movdqa %%xmm6, 16(%1) \n\t" - "movdqa %%xmm5, 32(%1) \n\t" - "movdqa %%xmm0, 48(%1) \n\t" - "add $32, %0 \n\t" - "add $64, %1 \n\t" - "add $32, %2 \n\t" - "cmp %3, %0 \n\t" - " jb 1b \n\t" - : "+r" (block), "+r" (sum), "+r" (offset) - : "r"(block+64) - XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3", - "%xmm4", "%xmm5", "%xmm6", "%xmm7") - ); -} - -#endif /* HAVE_INLINE_ASM */ +#endif /* HAVE_MMX_INLINE */ av_cold void ff_MPV_common_init_x86(MpegEncContext *s) { -#if HAVE_INLINE_ASM - int mm_flags = av_get_cpu_flags(); +#if HAVE_MMX_INLINE + int cpu_flags = av_get_cpu_flags(); - if (mm_flags & AV_CPU_FLAG_MMX) { + if (INLINE_MMX(cpu_flags)) { s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_mmx; s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_mmx; s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_mmx; @@ -589,12 +458,6 @@ av_cold void ff_MPV_common_init_x86(MpegEncContext *s) if(!(s->flags & CODEC_FLAG_BITEXACT)) s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx; s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx; - - if (mm_flags & AV_CPU_FLAG_SSE2) { - s->denoise_dct= denoise_dct_sse2; - } else { - s->denoise_dct= denoise_dct_mmx; - } } -#endif /* HAVE_INLINE_ASM */ +#endif /* HAVE_MMX_INLINE */ } |
