summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--libswresample/audioconvert.c22
-rw-r--r--libswresample/audioconvert.h2
-rw-r--r--libswresample/swresample_internal.h4
-rw-r--r--libswresample/x86/Makefile2
-rw-r--r--libswresample/x86/audio_convert.asm52
-rw-r--r--libswresample/x86/swresample_x86.c47
6 files changed, 127 insertions, 2 deletions
diff --git a/libswresample/audioconvert.c b/libswresample/audioconvert.c
index 75c1311ddb..529c911e96 100644
--- a/libswresample/audioconvert.c
+++ b/libswresample/audioconvert.c
@@ -125,6 +125,9 @@ AudioConvert *swri_audio_convert_alloc(enum AVSampleFormat out_fmt,
ctx->ch_map = ch_map;
if (in_fmt == AV_SAMPLE_FMT_U8)
memset(ctx->silence, 0x80, sizeof(ctx->silence));
+
+ if(HAVE_YASM && HAVE_MMX) swri_audio_convert_init_x86(ctx, out_fmt, in_fmt, channels);
+
return ctx;
}
@@ -136,21 +139,36 @@ void swri_audio_convert_free(AudioConvert **ctx)
int swri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, int len)
{
int ch;
+ int off=0;
+ const int os= (out->planar ? 1 :out->ch_count) *out->bps;
av_assert0(ctx->channels == out->ch_count);
//FIXME optimize common cases
+ if(ctx->simd_f && !ctx->ch_map){
+ int planes = out->planar ? out->ch_count : 1;
+ off = len/16 * 16;
+ av_assert1(out->planar == in->planar);
+ av_assert1(off>=0);
+ if(off>0)
+ for(ch=0; ch<planes; ch++){
+ ctx->simd_f(out->ch+ch, in->ch+ch, off*os);
+ }
+ av_assert1(off<=len);
+ if(off == len)
+ return 0;
+ }
+
for(ch=0; ch<ctx->channels; ch++){
const int ich= ctx->ch_map ? ctx->ch_map[ch] : ch;
const int is= ich < 0 ? 0 : (in->planar ? 1 : in->ch_count) * in->bps;
- const int os= (out->planar ? 1 :out->ch_count) *out->bps;
const uint8_t *pi= ich < 0 ? ctx->silence : in->ch[ich];
uint8_t *po= out->ch[ch];
uint8_t *end= po + os*len;
if(!po)
continue;
- ctx->conv_f(po, pi, is, os, end);
+ ctx->conv_f(po+off*os, pi+off*is, is, os, end);
}
return 0;
}
diff --git a/libswresample/audioconvert.h b/libswresample/audioconvert.h
index 9f16caf6d7..9a234d4b93 100644
--- a/libswresample/audioconvert.h
+++ b/libswresample/audioconvert.h
@@ -35,10 +35,12 @@
typedef void (conv_func_type)(uint8_t *po, const uint8_t *pi, int is, int os, uint8_t *end);
+typedef void (simd_func_type)(uint8_t **dst, const uint8_t **src, int len);
typedef struct AudioConvert {
int channels;
conv_func_type *conv_f;
+ simd_func_type *simd_f;
const int *ch_map;
uint8_t silence[8]; ///< silence input sample
}AudioConvert;
diff --git a/libswresample/swresample_internal.h b/libswresample/swresample_internal.h
index 70db5ae484..293075bf5e 100644
--- a/libswresample/swresample_internal.h
+++ b/libswresample/swresample_internal.h
@@ -101,4 +101,8 @@ void swri_sum2(enum AVSampleFormat format, void *dst, const void *src0, const vo
void swri_get_dither(SwrContext *s, void *dst, int len, unsigned seed, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt);
+void swri_audio_convert_init_x86(struct AudioConvert *ac,
+ enum AVSampleFormat out_fmt,
+ enum AVSampleFormat in_fmt,
+ int channels);
#endif
diff --git a/libswresample/x86/Makefile b/libswresample/x86/Makefile
new file mode 100644
index 0000000000..1ba971e02d
--- /dev/null
+++ b/libswresample/x86/Makefile
@@ -0,0 +1,2 @@
+YASM-OBJS += x86/swresample_x86.o\
+ x86/audio_convert.o\
diff --git a/libswresample/x86/audio_convert.asm b/libswresample/x86/audio_convert.asm
new file mode 100644
index 0000000000..c7ce8c6c53
--- /dev/null
+++ b/libswresample/x86/audio_convert.asm
@@ -0,0 +1,52 @@
+;******************************************************************************
+;* Copyright (c) 2012 Michael Niedermayer
+;*
+;* 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/x86inc.asm"
+%include "libavutil/x86/x86util.asm"
+
+SECTION .text
+
+%macro INT16_TO_INT32 0
+cglobal int16_to_int32_%1, 3, 3, 0, dst, src, len
+ mov srcq, [srcq]
+ mov dstq, [dstq]
+.next
+ movu m4, [srcq]
+ pxor m0, m0
+ pxor m1, m1
+ punpcklwd m0, m4
+ punpckhwd m1, m4
+ movu [ dstq], m0
+ movu [mmsize + dstq], m1
+ add srcq, mmsize
+ add dstq, 2*mmsize
+ sub lenq, 2*mmsize
+ jg .next
+%if mmsize == 8
+ emms
+%endif
+ REP_RET
+%endmacro
+
+INIT_MMX mmx
+INT16_TO_INT32
+
+INIT_XMM sse
+INT16_TO_INT32
diff --git a/libswresample/x86/swresample_x86.c b/libswresample/x86/swresample_x86.c
new file mode 100644
index 0000000000..5c8d8290cd
--- /dev/null
+++ b/libswresample/x86/swresample_x86.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2012 Michael Niedermayer (michaelni@gmx.at)
+ *
+ * This file is part of libswresample
+ *
+ * libswresample 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.
+ *
+ * libswresample 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 libswresample; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libswresample/swresample_internal.h"
+#include "libswresample/audioconvert.h"
+
+#define MULTI_CAPS_FUNC_DECL(cap) \
+ void ff_int16_to_int32_ ## cap(uint8_t **dst, const uint8_t **src, int len);
+MULTI_CAPS_FUNC_DECL(mmx)
+MULTI_CAPS_FUNC_DECL(sse)
+
+void swri_audio_convert_init_x86(struct AudioConvert *ac,
+ enum AVSampleFormat out_fmt,
+ enum AVSampleFormat in_fmt,
+ int channels){
+ int mm_flags = av_get_cpu_flags();
+
+ ac->simd_f= NULL;
+
+//FIXME add memcpy case
+
+#define MULTI_CAPS_FUNC(flag, cap) \
+ if (mm_flags & flag) {\
+ if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16P)\
+ ac->simd_f = ff_int16_to_int32_ ## cap;\
+ }
+
+MULTI_CAPS_FUNC(AV_CPU_FLAG_MMX, mmx)
+MULTI_CAPS_FUNC(AV_CPU_FLAG_SSE, sse)
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-12 17:15:22 +0000