X-Git-Url: https://git.piment-noir.org/?p=deb_ffmpeg.git;a=blobdiff_plain;f=ffmpeg%2Flibavcodec%2Fppc%2Fmpegvideoencdsp.c;h=e91ba5d25f838b0e5a574e6fa3e2f422e1964746;hp=00ae2a6f30a76d6af8d2c7a7b24498f7534d3906;hb=f6fa7814ccfe3e76514b36cf04f5cd3cb657c8cf;hpb=2ba45a602cbfa7b771effba9b11bb4245c21bc00 diff --git a/ffmpeg/libavcodec/ppc/mpegvideoencdsp.c b/ffmpeg/libavcodec/ppc/mpegvideoencdsp.c index 00ae2a6..e91ba5d 100644 --- a/ffmpeg/libavcodec/ppc/mpegvideoencdsp.c +++ b/ffmpeg/libavcodec/ppc/mpegvideoencdsp.c @@ -31,6 +31,34 @@ #if HAVE_ALTIVEC +#if HAVE_VSX +static int pix_norm1_altivec(uint8_t *pix, int line_size) +{ + int i, s = 0; + const vector unsigned int zero = + (const vector unsigned int) vec_splat_u32(0); + vector unsigned int sv = (vector unsigned int) vec_splat_u32(0); + vector signed int sum; + + for (i = 0; i < 16; i++) { + /* Read the potentially unaligned pixels. */ + //vector unsigned char pixl = vec_ld(0, pix); + //vector unsigned char pixr = vec_ld(15, pix); + //vector unsigned char pixv = vec_perm(pixl, pixr, perm); + vector unsigned char pixv = vec_vsx_ld(0, pix); + + /* Square the values, and add them to our sum. */ + sv = vec_msum(pixv, pixv, sv); + + pix += line_size; + } + /* Sum up the four partial sums, and put the result into s. */ + sum = vec_sums((vector signed int) sv, (vector signed int) zero); + sum = vec_splat(sum, 3); + vec_vsx_st(sum, 0, &s); + return s; +} +#else static int pix_norm1_altivec(uint8_t *pix, int line_size) { int i, s = 0; @@ -58,7 +86,37 @@ static int pix_norm1_altivec(uint8_t *pix, int line_size) return s; } +#endif /* HAVE_VSX */ + +#if HAVE_VSX +static int pix_sum_altivec(uint8_t *pix, int line_size) +{ + int i, s; + const vector unsigned int zero = + (const vector unsigned int) vec_splat_u32(0); + vector unsigned int sad = (vector unsigned int) vec_splat_u32(0); + vector signed int sumdiffs; + + for (i = 0; i < 16; i++) { + /* Read the potentially unaligned 16 pixels into t1. */ + //vector unsigned char pixl = vec_ld(0, pix); + //vector unsigned char pixr = vec_ld(15, pix); + //vector unsigned char t1 = vec_perm(pixl, pixr, perm); + vector unsigned char t1 = vec_vsx_ld(0, pix); + + /* Add each 4 pixel group together and put 4 results into sad. */ + sad = vec_sum4s(t1, sad); + + pix += line_size; + } + /* Sum up the four partial sums, and put the result into s. */ + sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero); + sumdiffs = vec_splat(sumdiffs, 3); + vec_vsx_st(sumdiffs, 0, &s); + return s; +} +#else static int pix_sum_altivec(uint8_t *pix, int line_size) { int i, s; @@ -88,6 +146,8 @@ static int pix_sum_altivec(uint8_t *pix, int line_size) return s; } +#endif /* HAVE_VSX */ + #endif /* HAVE_ALTIVEC */ av_cold void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext *c,