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authorMichael Niedermayer <michaelni@gmx.at>2012-12-06 15:43:34 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-12-06 15:55:47 +0100
commit54a71f2e6c9d8ff42ac0367d54b9df39a31cb3ff (patch)
treed25dd9b537de12e72a9486cb5b425de8022d2862 /libavfilter
parent1bb547192f6e9bd28b55f1f11d43bcc216976ac7 (diff)
parentb519298a1578e0c895d53d4b4ed8867b1c031a56 (diff)
downloadffmpeg-54a71f2e6c9d8ff42ac0367d54b9df39a31cb3ff.tar.gz
Merge commit 'b519298a1578e0c895d53d4b4ed8867b1c031a56'
* commit 'b519298a1578e0c895d53d4b4ed8867b1c031a56': pixdesc: fix yuva 10bit bit depth avconv: deprecate the -vol option x86: af_volume: add SSE2/SSSE3/AVX-optimized s32 volume scaling x86: af_volume: add SSE2-optimized s16 volume scaling Conflicts: ffmpeg.c tests/ref/lavfi/pixdesc tests/ref/lavfi/pixfmts_copy tests/ref/lavfi/pixfmts_null tests/ref/lavfi/pixfmts_scale tests/ref/lavfi/pixfmts_vflip Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter')
-rw-r--r--libavfilter/af_volume.h2
-rw-r--r--libavfilter/af_volume_justin.c3
-rw-r--r--libavfilter/x86/Makefile2
-rw-r--r--libavfilter/x86/af_volume.asm138
-rw-r--r--libavfilter/x86/af_volume_init.c59
5 files changed, 204 insertions, 0 deletions
diff --git a/libavfilter/af_volume.h b/libavfilter/af_volume.h
index 1007618c0a..bd7932e4d4 100644
--- a/libavfilter/af_volume.h
+++ b/libavfilter/af_volume.h
@@ -50,4 +50,6 @@ typedef struct VolumeContext {
int samples_align;
} VolumeContext;
+void ff_volume_init_x86(VolumeContext *vol);
+
#endif /* AVFILTER_AF_VOLUME_H */
diff --git a/libavfilter/af_volume_justin.c b/libavfilter/af_volume_justin.c
index 1d7c219298..4162cb9c7f 100644
--- a/libavfilter/af_volume_justin.c
+++ b/libavfilter/af_volume_justin.c
@@ -213,6 +213,9 @@ static void volume_init(VolumeContext *vol)
vol->samples_align = 8;
break;
}
+
+ if (ARCH_X86)
+ ff_volume_init_x86(vol);
}
static int config_output(AVFilterLink *outlink)
diff --git a/libavfilter/x86/Makefile b/libavfilter/x86/Makefile
index 4289f924da..0f08e39691 100644
--- a/libavfilter/x86/Makefile
+++ b/libavfilter/x86/Makefile
@@ -1,4 +1,6 @@
OBJS-$(CONFIG_GRADFUN_FILTER) += x86/gradfun.o
+OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume_init.o
OBJS-$(CONFIG_YADIF_FILTER) += x86/yadif.o
YASM-OBJS-$(CONFIG_HQDN3D_FILTER) += x86/hqdn3d.o
+YASM-OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume.o
diff --git a/libavfilter/x86/af_volume.asm b/libavfilter/x86/af_volume.asm
new file mode 100644
index 0000000000..dc54f6ee4a
--- /dev/null
+++ b/libavfilter/x86/af_volume.asm
@@ -0,0 +1,138 @@
+;*****************************************************************************
+;* x86-optimized functions for volume filter
+;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
+;*
+;* This file is part of FFmpeg.
+;*
+;* FFmpeg is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
+;*
+;* FFmpeg is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;* Lesser General Public License for more details.
+;*
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION_RODATA 32
+
+pd_1_256: times 4 dq 0x3F70000000000000
+pd_int32_max: times 4 dq 0x41DFFFFFFFC00000
+pw_1: times 8 dw 1
+pw_128: times 8 dw 128
+pq_128: times 2 dq 128
+
+SECTION_TEXT
+
+;------------------------------------------------------------------------------
+; void ff_scale_samples_s16(uint8_t *dst, const uint8_t *src, int len,
+; int volume)
+;------------------------------------------------------------------------------
+
+INIT_XMM sse2
+cglobal scale_samples_s16, 4,4,4, dst, src, len, volume
+ movd m0, volumem
+ pshuflw m0, m0, 0
+ punpcklwd m0, [pw_1]
+ mova m1, [pw_128]
+ lea lenq, [lend*2-mmsize]
+.loop:
+ ; dst[i] = av_clip_int16((src[i] * volume + 128) >> 8);
+ mova m2, [srcq+lenq]
+ punpcklwd m3, m2, m1
+ punpckhwd m2, m1
+ pmaddwd m3, m0
+ pmaddwd m2, m0
+ psrad m3, 8
+ psrad m2, 8
+ packssdw m3, m2
+ mova [dstq+lenq], m3
+ sub lenq, mmsize
+ jge .loop
+ REP_RET
+
+;------------------------------------------------------------------------------
+; void ff_scale_samples_s32(uint8_t *dst, const uint8_t *src, int len,
+; int volume)
+;------------------------------------------------------------------------------
+
+%macro SCALE_SAMPLES_S32 0
+cglobal scale_samples_s32, 4,4,4, dst, src, len, volume
+%if ARCH_X86_32 && cpuflag(avx)
+ vbroadcastss xmm2, volumem
+%else
+ movd xmm2, volumed
+ pshufd xmm2, xmm2, 0
+%endif
+ CVTDQ2PD m2, xmm2
+ mulpd m2, m2, [pd_1_256]
+ mova m3, [pd_int32_max]
+ lea lenq, [lend*4-mmsize]
+.loop:
+ CVTDQ2PD m0, [srcq+lenq ]
+ CVTDQ2PD m1, [srcq+lenq+mmsize/2]
+ mulpd m0, m0, m2
+ mulpd m1, m1, m2
+ minpd m0, m0, m3
+ minpd m1, m1, m3
+ cvtpd2dq xmm0, m0
+ cvtpd2dq xmm1, m1
+%if cpuflag(avx)
+ vmovdqa [dstq+lenq ], xmm0
+ vmovdqa [dstq+lenq+mmsize/2], xmm1
+%else
+ movq [dstq+lenq ], xmm0
+ movq [dstq+lenq+mmsize/2], xmm1
+%endif
+ sub lenq, mmsize
+ jge .loop
+ REP_RET
+%endmacro
+
+INIT_XMM sse2
+%define CVTDQ2PD cvtdq2pd
+SCALE_SAMPLES_S32
+%define CVTDQ2PD vcvtdq2pd
+INIT_YMM avx
+SCALE_SAMPLES_S32
+%undef CVTDQ2PD
+
+; NOTE: This is not bit-identical with the C version because it clips to
+; [-INT_MAX, INT_MAX] instead of [INT_MIN, INT_MAX]
+
+INIT_XMM ssse3, atom
+cglobal scale_samples_s32, 4,4,8, dst, src, len, volume
+ movd m4, volumem
+ pshufd m4, m4, 0
+ mova m5, [pq_128]
+ pxor m6, m6
+ lea lenq, [lend*4-mmsize]
+.loop:
+ ; src[i] = av_clipl_int32((src[i] * volume + 128) >> 8);
+ mova m7, [srcq+lenq]
+ pabsd m3, m7
+ pshufd m0, m3, q0100
+ pshufd m1, m3, q0302
+ pmuludq m0, m4
+ pmuludq m1, m4
+ paddq m0, m5
+ paddq m1, m5
+ psrlq m0, 7
+ psrlq m1, 7
+ shufps m2, m0, m1, q3131
+ shufps m0, m0, m1, q2020
+ pcmpgtd m2, m6
+ por m0, m2
+ psrld m0, 1
+ psignd m0, m7
+ mova [dstq+lenq], m0
+ sub lenq, mmsize
+ jge .loop
+ REP_RET
diff --git a/libavfilter/x86/af_volume_init.c b/libavfilter/x86/af_volume_init.c
new file mode 100644
index 0000000000..beee8ca1f5
--- /dev/null
+++ b/libavfilter/x86/af_volume_init.c
@@ -0,0 +1,59 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "libavutil/cpu.h"
+#include "libavutil/samplefmt.h"
+#include "libavutil/x86/cpu.h"
+#include "libavfilter/af_volume.h"
+
+void ff_scale_samples_s16_sse2(uint8_t *dst, const uint8_t *src, int len,
+ int volume);
+
+void ff_scale_samples_s32_sse2(uint8_t *dst, const uint8_t *src, int len,
+ int volume);
+void ff_scale_samples_s32_ssse3_atom(uint8_t *dst, const uint8_t *src, int len,
+ int volume);
+void ff_scale_samples_s32_avx(uint8_t *dst, const uint8_t *src, int len,
+ int volume);
+
+void ff_volume_init_x86(VolumeContext *vol)
+{
+ int mm_flags = av_get_cpu_flags();
+ enum AVSampleFormat sample_fmt = av_get_packed_sample_fmt(vol->sample_fmt);
+
+ if (sample_fmt == AV_SAMPLE_FMT_S16) {
+ if (EXTERNAL_SSE2(mm_flags) && vol->volume_i < 32768) {
+ vol->scale_samples = ff_scale_samples_s16_sse2;
+ vol->samples_align = 8;
+ }
+ } else if (sample_fmt == AV_SAMPLE_FMT_S32) {
+ if (EXTERNAL_SSE2(mm_flags)) {
+ vol->scale_samples = ff_scale_samples_s32_sse2;
+ vol->samples_align = 4;
+ }
+ if (EXTERNAL_SSSE3(mm_flags) && mm_flags & AV_CPU_FLAG_ATOM) {
+ vol->scale_samples = ff_scale_samples_s32_ssse3_atom;
+ vol->samples_align = 4;
+ }
+ if (EXTERNAL_AVX(mm_flags)) {
+ vol->scale_samples = ff_scale_samples_s32_avx;
+ vol->samples_align = 8;
+ }
+ }
+}