[FFmpeg-devel] [PATCH] x86/g722dsp: add ff_g722_apply_qmf_sse2
James Almer
jamrial at gmail.com
Mon Feb 16 03:45:19 CET 2015
Signed-off-by: James Almer <jamrial at gmail.com>
---
libavcodec/g722dsp.c | 2 ++
libavcodec/g722dsp.h | 1 +
libavcodec/x86/Makefile | 4 ++++
libavcodec/x86/g722dsp.asm | 54 +++++++++++++++++++++++++++++++++++++++++++
libavcodec/x86/g722dsp_init.c | 35 ++++++++++++++++++++++++++++
5 files changed, 96 insertions(+)
create mode 100644 libavcodec/x86/g722dsp.asm
create mode 100644 libavcodec/x86/g722dsp_init.c
diff --git a/libavcodec/g722dsp.c b/libavcodec/g722dsp.c
index 051f891..f148053 100644
--- a/libavcodec/g722dsp.c
+++ b/libavcodec/g722dsp.c
@@ -71,4 +71,6 @@ av_cold void ff_g722dsp_init(G722DSPContext *c)
if (ARCH_ARM)
ff_g722dsp_init_arm(c);
+ if (ARCH_X86)
+ ff_g722dsp_init_x86(c);
}
diff --git a/libavcodec/g722dsp.h b/libavcodec/g722dsp.h
index cab4a5f..c956a1e 100644
--- a/libavcodec/g722dsp.h
+++ b/libavcodec/g722dsp.h
@@ -29,5 +29,6 @@ typedef struct G722DSPContext {
void ff_g722dsp_init(G722DSPContext *c);
void ff_g722dsp_init_arm(G722DSPContext *c);
+void ff_g722dsp_init_x86(G722DSPContext *c);
#endif /* AVCODEC_G722DSP_H */
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index 00dacda..7c4f4cd 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -37,6 +37,8 @@ OBJS-$(CONFIG_XMM_CLOBBER_TEST) += x86/w64xmmtest.o
# decoders/encoders
OBJS-$(CONFIG_AAC_DECODER) += x86/sbrdsp_init.o
+OBJS-$(CONFIG_ADPCM_G722_DECODER) += x86/g722dsp_init.o
+OBJS-$(CONFIG_ADPCM_G722_ENCODER) += x86/g722dsp_init.o
OBJS-$(CONFIG_APNG_DECODER) += x86/pngdsp_init.o
OBJS-$(CONFIG_CAVS_DECODER) += x86/cavsdsp.o
OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp_init.o
@@ -129,6 +131,8 @@ YASM-OBJS-$(CONFIG_VP3DSP) += x86/vp3dsp.o
# decoders/encoders
YASM-OBJS-$(CONFIG_AAC_DECODER) += x86/sbrdsp.o
+YASM-OBJS-$(CONFIG_ADPCM_G722_DECODER) += x86/g722dsp.o
+YASM-OBJS-$(CONFIG_ADPCM_G722_ENCODER) += x86/g722dsp.o
YASM-OBJS-$(CONFIG_APNG_DECODER) += x86/pngdsp.o
YASM-OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp.o
YASM-OBJS-$(CONFIG_HEVC_DECODER) += x86/hevc_mc.o \
diff --git a/libavcodec/x86/g722dsp.asm b/libavcodec/x86/g722dsp.asm
new file mode 100644
index 0000000..f43c476
--- /dev/null
+++ b/libavcodec/x86/g722dsp.asm
@@ -0,0 +1,54 @@
+;******************************************************************************
+;* SIMD optimized DSP functions for G722 coding
+;*
+;* Copyright (c) 2014 James Almer
+;*
+;* 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
+
+pw_qmf_coeffs: dw 3, -210, -11, -805, -11, 951, 53, 3876
+pw_qmf_coeffs2: dw 12, 3876, -156, 951, 32, -805, 362, -210
+pw_qmf_coeffs3: dw 362, 0 , 32, 0, -156, 0, 12, 0
+pw_qmf_coeffs4: dw 53, 0, -11, 0, -11, 0, 3, 0
+
+SECTION_TEXT
+
+INIT_XMM sse2
+cglobal g722_apply_qmf, 2, 2, 5, prev, out
+ movu m0, [prevq+mmsize*0]
+ movu m1, [prevq+mmsize*1]
+ movu m2, [prevq+mmsize*2]
+ punpcklwd m3, m0, m1
+ punpckhwd m0, m1
+ punpcklwd m4, m2, m2
+ punpckhwd m2, m2
+ pmaddwd m3, [pw_qmf_coeffs ]
+ pmaddwd m0, [pw_qmf_coeffs2]
+ pmaddwd m4, [pw_qmf_coeffs3]
+ pmaddwd m2, [pw_qmf_coeffs4]
+ paddd m0, m3
+ paddd m2, m4
+ paddd m0, m2
+ pshufd m2, m0, q0032
+ paddd m0, m2
+ pshufd m0, m0, q0001
+ movq [outq], m0
+ RET
diff --git a/libavcodec/x86/g722dsp_init.c b/libavcodec/x86/g722dsp_init.c
new file mode 100644
index 0000000..dfa7c6c
--- /dev/null
+++ b/libavcodec/x86/g722dsp_init.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2014 James Almer
+ *
+ * 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 <stdint.h>
+
+#include "libavutil/attributes.h"
+#include "libavutil/x86/cpu.h"
+#include "libavcodec/g722dsp.h"
+
+void ff_g722_apply_qmf_sse2(const int16_t *prev_samples, int xout[2]);
+
+av_cold void ff_g722dsp_init_x86(G722DSPContext *dsp)
+{
+ int cpu_flags = av_get_cpu_flags();
+
+ if (EXTERNAL_SSE2(cpu_flags))
+ dsp->apply_qmf = ff_g722_apply_qmf_sse2;
+}
--
2.3.0
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