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Side by Side Diff: patched-ffmpeg-mt/libavcodec/x86/vp3dsp_mmx.c

Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: '' Created 10 years, 9 months ago
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1 /* 1 /*
2 * Copyright (C) 2004 the ffmpeg project 2 * Copyright (C) 2004 the ffmpeg project
3 * 3 *
4 * This file is part of FFmpeg. 4 * This file is part of FFmpeg.
5 * 5 *
6 * FFmpeg is free software; you can redistribute it and/or 6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public 7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either 8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version. 9 * version 2.1 of the License, or (at your option) any later version.
10 * 10 *
11 * FFmpeg is distributed in the hope that it will be useful, 11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details. 14 * Lesser General Public License for more details.
15 * 15 *
16 * You should have received a copy of the GNU Lesser General Public 16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software 17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */ 19 */
20 20
21 /** 21 /**
22 * @file libavcodec/x86/vp3dsp_mmx.c 22 * @file libavcodec/x86/vp3dsp_mmx.c
23 * MMX-optimized functions cribbed from the original VP3 source code. 23 * MMX-optimized functions cribbed from the original VP3 source code.
24 */ 24 */
25 25
26 #include "libavutil/x86_cpu.h" 26 #include "libavutil/x86_cpu.h"
27 #include "libavcodec/dsputil.h" 27 #include "libavcodec/dsputil.h"
28 #include "dsputil_mmx.h" 28 #include "dsputil_mmx.h"
29 #include "vp3dsp_mmx.h"
29 30
30 extern const uint16_t ff_vp3_idct_data[]; 31 extern const uint16_t ff_vp3_idct_data[];
31 32
32 // this is off by one or two for some cases when filter_limit is greater than 63 33 // this is off by one or two for some cases when filter_limit is greater than 63
33 // in: p0 in mm6, p1 in mm4, p2 in mm2, p3 in mm1 34 // in: p0 in mm6, p1 in mm4, p2 in mm2, p3 in mm1
34 // out: p1 in mm4, p2 in mm3 35 // out: p1 in mm4, p2 in mm3
35 #define VP3_LOOP_FILTER(flim) \ 36 #define VP3_LOOP_FILTER(flim) \
36 "movq %%mm6, %%mm7 \n\t" \ 37 "movq %%mm6, %%mm7 \n\t" \
37 "pand "MANGLE(ff_pb_7 )", %%mm6 \n\t" /* p0&7 */ \ 38 "pand "MANGLE(ff_pb_7 )", %%mm6 \n\t" /* p0&7 */ \
38 "psrlw $3, %%mm7 \n\t" \ 39 "psrlw $3, %%mm7 \n\t" \
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387 { 388 {
388 ff_vp3_idct_mmx(block); 389 ff_vp3_idct_mmx(block);
389 put_signed_pixels_clamped_mmx(block, dest, line_size); 390 put_signed_pixels_clamped_mmx(block, dest, line_size);
390 } 391 }
391 392
392 void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block) 393 void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block)
393 { 394 {
394 ff_vp3_idct_mmx(block); 395 ff_vp3_idct_mmx(block);
395 add_pixels_clamped_mmx(block, dest, line_size); 396 add_pixels_clamped_mmx(block, dest, line_size);
396 } 397 }
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