From 92f441ae863ba00438a8b496a3107a42a2e270ec Mon Sep 17 00:00:00 2001 From: Daniel Kang Date: Wed, 29 Dec 2010 21:35:34 +0000 Subject: [PATCH] Port pred4x4_vertical_left_mmxext (H.264 intra prediction) from x264 (authors: Jason, Loren, Holger) to FFmpeg. Patch by Daniel Kang , as part of Google's GCI 2010. Originally committed as revision 26155 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/x86/h264_intrapred.asm | 25 +++++++++++++++++++++++++ libavcodec/x86/h264_intrapred_init.c | 3 +++ 2 files changed, 28 insertions(+) diff --git a/libavcodec/x86/h264_intrapred.asm b/libavcodec/x86/h264_intrapred.asm index b82e02fee1..81f0fc659f 100644 --- a/libavcodec/x86/h264_intrapred.asm +++ b/libavcodec/x86/h264_intrapred.asm @@ -2536,4 +2536,29 @@ cglobal pred4x4_down_left_mmxext, 3,3 psrlq m0, 8 movd [r1+r2*2], m0 RET + +;----------------------------------------------------------------------------- +; void pred4x4_vertical_left_mmxext(uint8_t *src, const uint8_t *topright, int stride) +;----------------------------------------------------------------------------- + +INIT_MMX +cglobal pred4x4_vertical_left_mmxext, 3,3 + sub r0, r2 + movq m1, [r0] + punpckldq m1, [r1] + movq m3, m1 + movq m2, m1 + psrlq m3, 8 + psrlq m2, 16 + movq m4, m3 + pavgb m4, m1 + PRED4x4_LOWPASS m0, m1, m2, m3, m5 + lea r1, [r0+r2*2] + movh [r0+r2*1], m4 + movh [r0+r2*2], m0 + psrlq m4, 8 + psrlq m0, 8 + movh [r1+r2*1], m4 + movh [r1+r2*2], m0 + RET %endif diff --git a/libavcodec/x86/h264_intrapred_init.c b/libavcodec/x86/h264_intrapred_init.c index 6367871f2c..202bbd8593 100644 --- a/libavcodec/x86/h264_intrapred_init.c +++ b/libavcodec/x86/h264_intrapred_init.c @@ -84,6 +84,7 @@ void ff_pred8x8l_horizontal_down_sse2(uint8_t *src, int has_topleft, int has_top void ff_pred8x8l_horizontal_down_ssse3(uint8_t *src, int has_topleft, int has_topright, int stride); void ff_pred4x4_dc_mmxext (uint8_t *src, const uint8_t *topright, int stride); void ff_pred4x4_down_left_mmxext (uint8_t *src, const uint8_t *topright, int stride); +void ff_pred4x4_vertical_left_mmxext(uint8_t *src, const uint8_t *topright, int stride); void ff_pred4x4_tm_vp8_mmx (uint8_t *src, const uint8_t *topright, int stride); void ff_pred4x4_tm_vp8_mmxext (uint8_t *src, const uint8_t *topright, int stride); void ff_pred4x4_tm_vp8_ssse3 (uint8_t *src, const uint8_t *topright, int stride); @@ -133,6 +134,8 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id) #if CONFIG_GPL if (codec_id == CODEC_ID_VP8 || codec_id == CODEC_ID_H264) h->pred4x4 [DIAG_DOWN_LEFT_PRED ] = ff_pred4x4_down_left_mmxext; + if (codec_id == CODEC_ID_SVQ3 || codec_id == CODEC_ID_H264) + h->pred4x4 [VERT_LEFT_PRED ] = ff_pred4x4_vertical_left_mmxext; if (codec_id == CODEC_ID_SVQ3 || codec_id == CODEC_ID_H264) { h->pred8x8 [TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_mmxext; h->pred8x8 [DC_PRED8x8 ] = ff_pred8x8_dc_mmxext;