--- /dev/null
- #define CONFIG_FFT_FLOAT 0
+/*
+ * 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
+ */
+
++#define FFT_FLOAT 0
+#define CONFIG_FFT_FIXED_32 1
+#include "fft-test.c"
#define CMULL(dre, dim, are, aim, bre, bim) \
CMULS(dre, dim, are, aim, bre, bim, 0)
- #endif /* CONFIG_FFT_FLOAT */
+#endif /* CONFIG_FFT_FIXED_32 */
+
+ #endif /* FFT_FLOAT */
#define ff_imdct_calc_c FFT_NAME(ff_imdct_calc_c)
#define ff_imdct_half_c FFT_NAME(ff_imdct_half_c)
}
}
- #if CONFIG_FFT_FLOAT
+ #if FFT_FLOAT
-static void idct_ref(float *output, float *input, int nbits)
+static void idct_ref(FFTSample *output, FFTSample *input, int nbits)
{
int n = 1<<nbits;
int k, i;
#ifndef AVCODEC_FFT_H
#define AVCODEC_FFT_H
- #ifndef CONFIG_FFT_FLOAT
- #define CONFIG_FFT_FLOAT 1
+ #ifndef FFT_FLOAT
+ #define FFT_FLOAT 1
#endif
+#ifndef CONFIG_FFT_FIXED_32
+#define CONFIG_FFT_FIXED_32 0
+#endif
+
#include <stdint.h>
#include "config.h"
#include "libavutil/mem.h"
#define FFT_NAME(x) x ## _fixed
typedef int16_t FFTSample;
-typedef int FFTDouble;
+
+#endif /* CONFIG_FFT_FIXED_32 */
typedef struct FFTComplex {
- int16_t re, im;
+ FFTSample re, im;
} FFTComplex;
+typedef int FFTDouble;
typedef struct FFTContext FFTContext;
- #endif /* CONFIG_FFT_FLOAT */
+ #endif /* FFT_FLOAT */
typedef struct FFTDComplex {
FFTDouble re, im;
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
- #define CONFIG_FFT_FLOAT 0
+ #define FFT_FLOAT 0
+#define CONFIG_FFT_FIXED_32 0
#include "fft_template.c"
--- /dev/null
- #define CONFIG_FFT_FLOAT 0
+/*
+ * Copyright (c) 2012
+ * MIPS Technologies, Inc., California.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Authors: Stanislav Ocovaj (socovaj@mips.com)
+ * Goran Cordasic (goran@mips.com)
+ * Djordje Pesut (djordje@mips.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
+ */
+
++#define FFT_FLOAT 0
+#define CONFIG_FFT_FIXED_32 1
+#include "fft_template.c"
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
- #define CONFIG_FFT_FLOAT 1
+ #define FFT_FLOAT 1
+#define CONFIG_FFT_FIXED_32 0
#include "fft_template.c"
s->mdct_calc = ff_mdct_calc_c;
#endif
- #if CONFIG_FFT_FLOAT
+#if CONFIG_FFT_FIXED_32
+ {
+ int n=0;
+ ff_fft_lut_init(fft_offsets_lut, 0, 1 << 16, &n);
+ }
+#else /* CONFIG_FFT_FIXED_32 */
+ #if FFT_FLOAT
if (ARCH_ARM) ff_fft_init_arm(s);
if (ARCH_PPC) ff_fft_init_ppc(s);
if (ARCH_X86) ff_fft_init_x86(s);
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
- #define CONFIG_FFT_FLOAT 0
+ #define FFT_FLOAT 0
+#define CONFIG_FFT_FIXED_32 0
#include "mdct_template.c"
/* same as ff_mdct_calcw_c with double-width unscaled output */
--- /dev/null
- #define CONFIG_FFT_FLOAT 0
+/*
+ * Copyright (c) 2012
+ * MIPS Technologies, Inc., California.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Authors: Stanislav Ocovaj (socovaj@mips.com)
+ * Goran Cordasic (goran@mips.com)
+ * Djordje Pesut (djordje@mips.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
+ */
+
++#define FFT_FLOAT 0
+#define CONFIG_FFT_FIXED_32 1
+#include "mdct_template.c"
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
- #define CONFIG_FFT_FLOAT 1
+ #define FFT_FLOAT 1
+#define CONFIG_FFT_FIXED_32 0
#include "mdct_template.c"
* MDCT/IMDCT transforms.
*/
- #if CONFIG_FFT_FLOAT
+ #if FFT_FLOAT
# define RSCALE(x) (x)
#else
+#if CONFIG_FFT_FIXED_32
+# define RSCALE(x) (((x) + 32) >> 6)
+#else /* CONFIG_FFT_FIXED_32 */
# define RSCALE(x) ((x) >> 1)
+#endif /* CONFIG_FFT_FIXED_32 */
#endif
/**
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