pipewire/spa/plugins/audioconvert/fmt-ops.c
Wim Taymans d8e399dee9 audioconvert: pass state to functions
Pass some state to convert and channelmix functions. This makes it
possible to select per channel optimized convert functions but
also makes it possible to implement noise shaping later.
Pass the channelmix matrix and volume in the state.
Handle specialized 2 channel s16 -> f32 conversion
2019-03-29 17:39:59 +01:00

194 lines
8.3 KiB
C

/* Spa
*
* Copyright © 2018 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <spa/support/cpu.h>
#include <spa/utils/defs.h>
#include <spa/param/audio/format-utils.h>
#include "fmt-ops.h"
typedef void (*convert_func_t) (struct convert *conv, void * SPA_RESTRICT dst[],
const void * SPA_RESTRICT src[], uint32_t n_samples);
struct conv_info {
uint32_t src_fmt;
uint32_t dst_fmt;
uint32_t n_channels;
uint32_t cpu_flags;
convert_func_t process;
};
static struct conv_info conv_table[] =
{
/* to f32 */
{ SPA_AUDIO_FORMAT_U8, SPA_AUDIO_FORMAT_F32, 0, 0, conv_u8_to_f32_c },
{ SPA_AUDIO_FORMAT_U8P, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_u8d_to_f32d_c },
{ SPA_AUDIO_FORMAT_U8, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_u8_to_f32d_c },
{ SPA_AUDIO_FORMAT_U8P, SPA_AUDIO_FORMAT_F32, 0, 0, conv_u8d_to_f32_c },
{ SPA_AUDIO_FORMAT_S16, SPA_AUDIO_FORMAT_F32, 0, 0, conv_s16_to_f32_c },
{ SPA_AUDIO_FORMAT_S16P, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_s16d_to_f32d_c },
#if defined (HAVE_SSE2)
{ SPA_AUDIO_FORMAT_S16, SPA_AUDIO_FORMAT_F32P, 2, SPA_CPU_FLAG_SSE2, conv_s16_to_f32d_2_sse2 },
{ SPA_AUDIO_FORMAT_S16, SPA_AUDIO_FORMAT_F32P, 0, SPA_CPU_FLAG_SSE2, conv_s16_to_f32d_sse2 },
#endif
{ SPA_AUDIO_FORMAT_S16, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_s16_to_f32d_c },
{ SPA_AUDIO_FORMAT_S16P, SPA_AUDIO_FORMAT_F32, 0, 0, conv_s16d_to_f32_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_F32, 0, 0, conv_copy32_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_copy32d_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_deinterleave_32_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_F32, 0, 0, conv_interleave_32_c },
{ SPA_AUDIO_FORMAT_S32, SPA_AUDIO_FORMAT_F32, 0, 0, conv_s32_to_f32_c },
{ SPA_AUDIO_FORMAT_S32P, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_s32d_to_f32d_c },
{ SPA_AUDIO_FORMAT_S32, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_s32_to_f32d_c },
{ SPA_AUDIO_FORMAT_S32P, SPA_AUDIO_FORMAT_F32, 0, 0, conv_s32d_to_f32_c },
{ SPA_AUDIO_FORMAT_S24, SPA_AUDIO_FORMAT_F32, 0, 0, conv_s24_to_f32_c },
{ SPA_AUDIO_FORMAT_S24P, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_s24d_to_f32d_c },
#if defined (HAVE_SSSE3)
// { SPA_AUDIO_FORMAT_S24, SPA_AUDIO_FORMAT_F32P, 0, SPA_CPU_FLAG_SSSE3, conv_s24_to_f32d_ssse3 },
#endif
#if defined (HAVE_SSE41)
{ SPA_AUDIO_FORMAT_S24, SPA_AUDIO_FORMAT_F32P, 0, SPA_CPU_FLAG_SSE41, conv_s24_to_f32d_sse41 },
#endif
#if defined (HAVE_SSE2)
{ SPA_AUDIO_FORMAT_S24, SPA_AUDIO_FORMAT_F32P, 0, SPA_CPU_FLAG_SSE2, conv_s24_to_f32d_sse2 },
#endif
{ SPA_AUDIO_FORMAT_S24, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_s24_to_f32d_c },
{ SPA_AUDIO_FORMAT_S24P, SPA_AUDIO_FORMAT_F32, 0, 0, conv_s24d_to_f32_c },
{ SPA_AUDIO_FORMAT_S24_32, SPA_AUDIO_FORMAT_F32, 0, 0, conv_s24_32_to_f32_c },
{ SPA_AUDIO_FORMAT_S24_32P, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_s24_32d_to_f32d_c },
{ SPA_AUDIO_FORMAT_S24_32, SPA_AUDIO_FORMAT_F32P, 0, 0, conv_s24_32_to_f32d_c },
{ SPA_AUDIO_FORMAT_S24_32P, SPA_AUDIO_FORMAT_F32, 0, 0, conv_s24_32d_to_f32_c },
/* from f32 */
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_U8, 0, 0, conv_f32_to_u8_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_U8P, 0, 0, conv_f32d_to_u8d_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_U8P, 0, 0, conv_f32_to_u8d_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_U8, 0, 0, conv_f32d_to_u8_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_S16, 0, 0, conv_f32_to_s16_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S16P, 0, 0, conv_f32d_to_s16d_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_S16P, 0, 0, conv_f32_to_s16d_c },
#if defined (HAVE_SSE2)
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S16, 0, SPA_CPU_FLAG_SSE2, conv_f32d_to_s16_sse2 },
#endif
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S16, 0, 0, conv_f32d_to_s16_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_S32, 0, 0, conv_f32_to_s32_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S32P, 0, 0, conv_f32d_to_s32d_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_S32P, 0, 0, conv_f32_to_s32d_c },
#if defined (HAVE_SSE2)
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S32, 0, SPA_CPU_FLAG_SSE2, conv_f32d_to_s32_sse2 },
#endif
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S32, 0, 0, conv_f32d_to_s32_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_S24, 0, 0, conv_f32_to_s24_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S24P, 0, 0, conv_f32d_to_s24d_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_S24P, 0, 0, conv_f32_to_s24d_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S24, 0, 0, conv_f32d_to_s24_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_S24_32, 0, 0, conv_f32_to_s24_32_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S24_32P, 0, 0, conv_f32d_to_s24_32d_c },
{ SPA_AUDIO_FORMAT_F32, SPA_AUDIO_FORMAT_S24_32P, 0, 0, conv_f32_to_s24_32d_c },
{ SPA_AUDIO_FORMAT_F32P, SPA_AUDIO_FORMAT_S24_32, 0, 0, conv_f32d_to_s24_32_c },
/* u8 */
{ SPA_AUDIO_FORMAT_U8, SPA_AUDIO_FORMAT_U8, 0, 0, conv_copy8_c },
{ SPA_AUDIO_FORMAT_U8P, SPA_AUDIO_FORMAT_U8P, 0, 0, conv_copy8d_c },
{ SPA_AUDIO_FORMAT_U8, SPA_AUDIO_FORMAT_U8P, 0, 0, conv_deinterleave_8_c },
{ SPA_AUDIO_FORMAT_U8P, SPA_AUDIO_FORMAT_U8, 0, 0, conv_interleave_8_c },
/* s16 */
{ SPA_AUDIO_FORMAT_S16, SPA_AUDIO_FORMAT_S16, 0, 0, conv_copy16_c },
{ SPA_AUDIO_FORMAT_S16P, SPA_AUDIO_FORMAT_S16P, 0, 0, conv_copy16d_c },
{ SPA_AUDIO_FORMAT_S16, SPA_AUDIO_FORMAT_S16P, 0, 0, conv_deinterleave_16_c },
{ SPA_AUDIO_FORMAT_S16P, SPA_AUDIO_FORMAT_S16, 0, 0, conv_interleave_16_c },
/* s32 */
{ SPA_AUDIO_FORMAT_S32, SPA_AUDIO_FORMAT_S32, 0, 0, conv_copy32_c },
{ SPA_AUDIO_FORMAT_S32P, SPA_AUDIO_FORMAT_S32P, 0, 0, conv_copy32d_c },
{ SPA_AUDIO_FORMAT_S32, SPA_AUDIO_FORMAT_S32P, 0, 0, conv_deinterleave_32_c },
{ SPA_AUDIO_FORMAT_S32P, SPA_AUDIO_FORMAT_S32, 0, 0, conv_interleave_32_c },
/* s24 */
{ SPA_AUDIO_FORMAT_S24, SPA_AUDIO_FORMAT_S24, 0, 0, conv_copy24_c },
{ SPA_AUDIO_FORMAT_S24P, SPA_AUDIO_FORMAT_S24P, 0, 0, conv_copy24d_c },
{ SPA_AUDIO_FORMAT_S24, SPA_AUDIO_FORMAT_S24P, 0, 0, conv_deinterleave_24_c },
{ SPA_AUDIO_FORMAT_S24P, SPA_AUDIO_FORMAT_S24, 0, 0, conv_interleave_24_c },
/* s24_32 */
{ SPA_AUDIO_FORMAT_S24_32, SPA_AUDIO_FORMAT_S24_32, 0, 0, conv_copy32_c },
{ SPA_AUDIO_FORMAT_S24_32P, SPA_AUDIO_FORMAT_S24_32P, 0, 0, conv_copy32d_c },
{ SPA_AUDIO_FORMAT_S24_32, SPA_AUDIO_FORMAT_S24_32P, 0, 0, conv_deinterleave_32_c },
{ SPA_AUDIO_FORMAT_S24_32P, SPA_AUDIO_FORMAT_S24_32, 0, 0, conv_interleave_32_c },
};
#define MATCH_CHAN(a,b) ((a) == 0 || (a) == (b))
#define MATCH_CPU_FLAGS(a,b) ((a) == 0 || ((a) & (b)) == a)
static const struct conv_info *find_conv_info(uint32_t src_fmt, uint32_t dst_fmt,
uint32_t n_channels, uint32_t cpu_flags)
{
size_t i;
for (i = 0; i < SPA_N_ELEMENTS(conv_table); i++) {
if (conv_table[i].src_fmt == src_fmt &&
conv_table[i].dst_fmt == dst_fmt &&
MATCH_CHAN(conv_table[i].n_channels, n_channels) &&
MATCH_CPU_FLAGS(conv_table[i].cpu_flags, cpu_flags))
return &conv_table[i];
}
return NULL;
}
static void impl_convert_free(struct convert *conv)
{
conv->process = NULL;
}
int convert_init(struct convert *conv)
{
const struct conv_info *info;
info = find_conv_info(conv->src_fmt, conv->dst_fmt, conv->n_channels, conv->cpu_flags);
if (info == NULL)
return -ENOTSUP;
conv->is_passthrough = conv->src_fmt == conv->dst_fmt;
conv->cpu_flags = info->cpu_flags;
conv->process = info->process;
conv->free = impl_convert_free;
return 0;
}