mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
dsdplay: make separate dsffile
This commit is contained in:
Wim Taymans
parent
fb0c5f503f
commit
275b8a0f9e
4 changed files with 326 additions and 242 deletions
261
src/tools/dsffile.c
Normal file
261
src/tools/dsffile.c
Normal file
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@ -0,0 +1,261 @@
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/* PipeWire
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*
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* Copyright © 2021 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <errno.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <math.h>
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#include <spa/utils/string.h>
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#include "dsffile.h"
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struct dsf_file {
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uint8_t *data;
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size_t size;
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int mode;
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int fd;
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struct dsf_file_info info;
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uint8_t *p;
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size_t offset;
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};
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static inline uint16_t parse_le16(const uint8_t *in)
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{
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return in[0] | (in[1] << 8);
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}
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static inline uint32_t parse_le32(const uint8_t *in)
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{
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return in[0] | (in[1] << 8) | (in[2] << 16) | (in[3] << 24);
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}
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static inline uint64_t parse_le64(const uint8_t *in)
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{
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uint64_t res = in[0];
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res |= ((uint64_t)in[1]) << 8;
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res |= ((uint64_t)in[2]) << 16;
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res |= ((uint64_t)in[3]) << 24;
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res |= ((uint64_t)in[4]) << 32;
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res |= ((uint64_t)in[5]) << 40;
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res |= ((uint64_t)in[6]) << 48;
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res |= ((uint64_t)in[7]) << 56;
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return res;
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}
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static inline int f_avail(struct dsf_file *f)
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{
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if (f->p < f->data + f->size)
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return f->size + f->data - f->p;
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return 0;
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}
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static int read_DSD(struct dsf_file *f)
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{
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uint64_t size;
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if (f_avail(f) < 28 ||
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memcmp(f->p, "DSD ", 4) != 0)
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return -EINVAL;
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size = parse_le64(f->p + 4); /* size of this chunk */
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parse_le64(f->p + 12); /* total size */
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parse_le64(f->p + 20); /* metadata */
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f->p += size;
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return 0;
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}
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static int read_fmt(struct dsf_file *f)
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{
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uint64_t size;
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if (f_avail(f) < 52 ||
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memcmp(f->p, "fmt ", 4) != 0)
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return -EINVAL;
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size = parse_le64(f->p + 4); /* size of this chunk */
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if (parse_le32(f->p + 12) != 1) /* version */
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return -EINVAL;
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if (parse_le32(f->p + 16) != 0) /* format id */
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return -EINVAL;
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f->info.channel_type = parse_le32(f->p + 20);
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f->info.channels = parse_le32(f->p + 24);
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f->info.rate = parse_le32(f->p + 28);
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f->info.lsb = parse_le32(f->p + 32) == 1;
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f->info.samples = parse_le64(f->p + 36);
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f->info.blocksize = parse_le32(f->p + 44);
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f->p += size;
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return 0;
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}
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static int read_data(struct dsf_file *f)
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{
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uint64_t size;
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if (f_avail(f) < 12 ||
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memcmp(f->p, "data", 4) != 0)
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return -EINVAL;
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size = parse_le64(f->p + 4); /* size of this chunk */
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f->info.length = size - 12;
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f->p += 12;
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return 0;
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}
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static int open_read(struct dsf_file *f, const char *filename, struct dsf_file_info *info)
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{
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int res;
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struct stat st;
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if ((f->fd = open(filename, O_RDONLY)) < 0) {
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res = -errno;
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goto exit;
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}
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if (fstat(f->fd, &st) < 0) {
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res = -errno;
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goto exit_close;
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}
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f->size = st.st_size;
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f->data = mmap(NULL, f->size, PROT_READ, MAP_SHARED, f->fd, 0);
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if (f->data == MAP_FAILED) {
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res = -errno;
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goto exit_close;
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}
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f->p = f->data;
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if ((res = read_DSD(f)) < 0)
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goto exit_unmap;
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if ((res = read_fmt(f)) < 0)
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goto exit_unmap;
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if ((res = read_data(f)) < 0)
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goto exit_unmap;
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f->mode = 1;
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*info = f->info;
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return 0;
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exit_unmap:
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munmap(f->data, f->size);
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exit_close:
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close(f->fd);
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exit:
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return res;
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}
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struct dsf_file *
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dsf_file_open(const char *filename, const char *mode, struct dsf_file_info *info)
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{
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int res;
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struct dsf_file *f;
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f = calloc(1, sizeof(struct dsf_file));
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if (f == NULL)
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return NULL;
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if (spa_streq(mode, "r")) {
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if ((res = open_read(f, filename, info)) < 0)
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goto exit_free;
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} else {
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res = -EINVAL;
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goto exit_free;
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}
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return f;
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exit_free:
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free(f);
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errno = -res;
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return NULL;
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}
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static const uint8_t bitrev[256] = {
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0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
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0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
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0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
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0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
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0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
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0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
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0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
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0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
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0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
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0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
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0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
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0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
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0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
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0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
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0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
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0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
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};
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ssize_t
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dsf_file_read(struct dsf_file *f, void *data, size_t samples, const struct dsf_layout *layout)
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{
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uint8_t *d = data;
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const uint8_t *s;
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uint32_t i, j, k, total, stride, bytes;
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int32_t interleave = layout->interleave;
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bool rev = layout->lsb != f->info.lsb;
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stride = layout->channels * layout->interleave;
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bytes = samples * stride;
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bytes -= bytes % f->info.blocksize;
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for (total = 0; total < bytes; total += layout->channels * f->info.blocksize) {
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s = f->p + f->offset;
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for (i = 0; i < f->info.blocksize; i += interleave) {
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for (j = 0; j < layout->channels; j++) {
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const uint8_t *c = &s[f->info.blocksize * j + i];
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if (interleave > 0) {
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for (k = 0; k < (uint32_t)interleave; k++)
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*d++ = rev ? bitrev[c[k]] : c[k];
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} else {
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for (k = -interleave; k > 0; k--)
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*d++ = rev ? bitrev[c[k-1]] : c[k-1];
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}
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}
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}
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f->offset += f->info.channels * f->info.blocksize;
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}
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return total / stride;
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}
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int dsf_file_close(struct dsf_file *f)
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{
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if (f->mode == 1) {
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munmap(f->data, f->size);
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} else
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return -EINVAL;
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close(f->fd);
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free(f);
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return 0;
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}
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52
src/tools/dsffile.h
Normal file
52
src/tools/dsffile.h
Normal file
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@ -0,0 +1,52 @@
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/* PipeWire
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*
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* Copyright © 2021 Wim Taymans
|
||||||
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*
|
||||||
|
* 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.
|
||||||
|
*/
|
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|
|
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#include <stdio.h>
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|
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#include <spa/utils/defs.h>
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|
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struct dsf_file;
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|
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struct dsf_file_info {
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uint32_t channel_type;
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uint32_t channels;
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uint32_t rate;
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bool lsb;
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uint64_t samples;
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uint64_t length;
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uint32_t blocksize;
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};
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struct dsf_layout {
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int32_t interleave;
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uint32_t channels;
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bool lsb;
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};
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struct dsf_file * dsf_file_open(const char *filename, const char *mode, struct dsf_file_info *info);
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ssize_t dsf_file_read(struct dsf_file *f, void *data, size_t samples, const struct dsf_layout *layout);
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|
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int dsf_file_close(struct dsf_file *f);
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@ -5,7 +5,7 @@ tools_sources = [
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[ 'pw-dump', [ 'pw-dump.c' ] ],
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[ 'pw-dump', [ 'pw-dump.c' ] ],
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[ 'pw-profiler', [ 'pw-profiler.c' ] ],
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[ 'pw-profiler', [ 'pw-profiler.c' ] ],
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[ 'pw-mididump', [ 'pw-mididump.c', 'midifile.c' ] ],
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[ 'pw-mididump', [ 'pw-mididump.c', 'midifile.c' ] ],
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[ 'pw-dsdplay', [ 'pw-dsdplay.c' ] ],
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[ 'pw-dsdplay', [ 'pw-dsdplay.c', 'dsffile.c' ] ],
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[ 'pw-metadata', [ 'pw-metadata.c' ] ],
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[ 'pw-metadata', [ 'pw-metadata.c' ] ],
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[ 'pw-loopback', [ 'pw-loopback.c' ] ],
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[ 'pw-loopback', [ 'pw-loopback.c' ] ],
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[ 'pw-link', [ 'pw-link.c' ] ],
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[ 'pw-link', [ 'pw-link.c' ] ],
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|
|
@ -34,6 +34,7 @@ if not get_option('pw-cat').disabled() and sndfile_dep.found()
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pwcat_sources = [
|
pwcat_sources = [
|
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'pw-cat.c',
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'pw-cat.c',
|
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'midifile.c',
|
'midifile.c',
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'dsffile.c',
|
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]
|
]
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|
||||||
pwcat_aliases = [
|
pwcat_aliases = [
|
||||||
|
|
|
||||||
|
|
@ -37,238 +37,7 @@
|
||||||
|
|
||||||
#include <pipewire/pipewire.h>
|
#include <pipewire/pipewire.h>
|
||||||
|
|
||||||
struct dsf_file_info {
|
#include "dsffile.h"
|
||||||
uint32_t channel_type;
|
|
||||||
uint32_t channels;
|
|
||||||
uint32_t rate;
|
|
||||||
bool lsb;
|
|
||||||
uint64_t samples;
|
|
||||||
uint64_t length;
|
|
||||||
uint32_t blocksize;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct dsf_file {
|
|
||||||
uint8_t *data;
|
|
||||||
size_t size;
|
|
||||||
|
|
||||||
int mode;
|
|
||||||
int fd;
|
|
||||||
|
|
||||||
struct dsf_file_info info;
|
|
||||||
|
|
||||||
uint8_t *p;
|
|
||||||
};
|
|
||||||
|
|
||||||
static inline uint16_t parse_le16(const uint8_t *in)
|
|
||||||
{
|
|
||||||
return in[0] | (in[1] << 8);
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline uint32_t parse_le32(const uint8_t *in)
|
|
||||||
{
|
|
||||||
return in[0] | (in[1] << 8) | (in[2] << 16) | (in[3] << 24);
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline uint64_t parse_le64(const uint8_t *in)
|
|
||||||
{
|
|
||||||
uint64_t res = in[0];
|
|
||||||
res |= ((uint64_t)in[1]) << 8;
|
|
||||||
res |= ((uint64_t)in[2]) << 16;
|
|
||||||
res |= ((uint64_t)in[3]) << 24;
|
|
||||||
res |= ((uint64_t)in[4]) << 32;
|
|
||||||
res |= ((uint64_t)in[5]) << 40;
|
|
||||||
res |= ((uint64_t)in[6]) << 48;
|
|
||||||
res |= ((uint64_t)in[7]) << 56;
|
|
||||||
return res;
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline int f_avail(struct dsf_file *f)
|
|
||||||
{
|
|
||||||
if (f->p < f->data + f->size)
|
|
||||||
return f->size + f->data - f->p;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int read_DSD(struct dsf_file *f)
|
|
||||||
{
|
|
||||||
uint64_t size;
|
|
||||||
|
|
||||||
if (f_avail(f) < 28 ||
|
|
||||||
memcmp(f->p, "DSD ", 4) != 0)
|
|
||||||
return -EINVAL;
|
|
||||||
|
|
||||||
size = parse_le64(f->p + 4); /* size of this chunk */
|
|
||||||
parse_le64(f->p + 12); /* total size */
|
|
||||||
parse_le64(f->p + 20); /* metadata */
|
|
||||||
f->p += size;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int read_fmt(struct dsf_file *f)
|
|
||||||
{
|
|
||||||
uint64_t size;
|
|
||||||
|
|
||||||
if (f_avail(f) < 52 ||
|
|
||||||
memcmp(f->p, "fmt ", 4) != 0)
|
|
||||||
return -EINVAL;
|
|
||||||
|
|
||||||
size = parse_le64(f->p + 4); /* size of this chunk */
|
|
||||||
if (parse_le32(f->p + 12) != 1) /* version */
|
|
||||||
return -EINVAL;
|
|
||||||
if (parse_le32(f->p + 16) != 0) /* format id */
|
|
||||||
return -EINVAL;
|
|
||||||
|
|
||||||
f->info.channel_type = parse_le32(f->p + 20);
|
|
||||||
f->info.channels = parse_le32(f->p + 24);
|
|
||||||
f->info.rate = parse_le32(f->p + 28);
|
|
||||||
f->info.lsb = parse_le32(f->p + 32) == 1;
|
|
||||||
f->info.samples = parse_le64(f->p + 36);
|
|
||||||
f->info.blocksize = parse_le32(f->p + 44);
|
|
||||||
f->p += size;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int read_data(struct dsf_file *f)
|
|
||||||
{
|
|
||||||
uint64_t size;
|
|
||||||
|
|
||||||
if (f_avail(f) < 12 ||
|
|
||||||
memcmp(f->p, "data", 4) != 0)
|
|
||||||
return -EINVAL;
|
|
||||||
|
|
||||||
size = parse_le64(f->p + 4); /* size of this chunk */
|
|
||||||
f->info.length = size - 12;
|
|
||||||
f->p += 12;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int open_read(struct dsf_file *f, const char *filename, struct dsf_file_info *info)
|
|
||||||
{
|
|
||||||
int res;
|
|
||||||
struct stat st;
|
|
||||||
|
|
||||||
if ((f->fd = open(filename, O_RDONLY)) < 0) {
|
|
||||||
res = -errno;
|
|
||||||
goto exit;
|
|
||||||
}
|
|
||||||
if (fstat(f->fd, &st) < 0) {
|
|
||||||
res = -errno;
|
|
||||||
goto exit_close;
|
|
||||||
}
|
|
||||||
f->size = st.st_size;
|
|
||||||
|
|
||||||
f->data = mmap(NULL, f->size, PROT_READ, MAP_SHARED, f->fd, 0);
|
|
||||||
if (f->data == MAP_FAILED) {
|
|
||||||
res = -errno;
|
|
||||||
goto exit_close;
|
|
||||||
}
|
|
||||||
|
|
||||||
f->p = f->data;
|
|
||||||
|
|
||||||
if ((res = read_DSD(f)) < 0)
|
|
||||||
goto exit_unmap;
|
|
||||||
if ((res = read_fmt(f)) < 0)
|
|
||||||
goto exit_unmap;
|
|
||||||
if ((res = read_data(f)) < 0)
|
|
||||||
goto exit_unmap;
|
|
||||||
|
|
||||||
f->mode = 1;
|
|
||||||
*info = f->info;
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
exit_unmap:
|
|
||||||
munmap(f->data, f->size);
|
|
||||||
exit_close:
|
|
||||||
close(f->fd);
|
|
||||||
exit:
|
|
||||||
return res;
|
|
||||||
}
|
|
||||||
|
|
||||||
struct dsf_file *
|
|
||||||
dsf_file_open(const char *filename, const char *mode, struct dsf_file_info *info)
|
|
||||||
{
|
|
||||||
int res;
|
|
||||||
struct dsf_file *f;
|
|
||||||
|
|
||||||
f = calloc(1, sizeof(struct dsf_file));
|
|
||||||
if (f == NULL)
|
|
||||||
return NULL;
|
|
||||||
|
|
||||||
if (spa_streq(mode, "r")) {
|
|
||||||
if ((res = open_read(f, filename, info)) < 0)
|
|
||||||
goto exit_free;
|
|
||||||
} else {
|
|
||||||
res = -EINVAL;
|
|
||||||
goto exit_free;
|
|
||||||
}
|
|
||||||
return f;
|
|
||||||
|
|
||||||
exit_free:
|
|
||||||
free(f);
|
|
||||||
errno = -res;
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
static const uint8_t bitrev[256] = {
|
|
||||||
0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
|
|
||||||
0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
|
|
||||||
0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
|
|
||||||
0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
|
|
||||||
0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
|
|
||||||
0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
|
|
||||||
0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
|
|
||||||
0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
|
|
||||||
0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
|
|
||||||
0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
|
|
||||||
0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
|
|
||||||
0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
|
|
||||||
0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
|
|
||||||
0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
|
|
||||||
0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
|
|
||||||
0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
|
|
||||||
};
|
|
||||||
|
|
||||||
ssize_t
|
|
||||||
dsf_file_read(struct dsf_file *f, void *data, size_t samples, uint32_t interleave, bool lsb)
|
|
||||||
{
|
|
||||||
uint8_t *d = data;
|
|
||||||
const uint8_t *s;
|
|
||||||
uint32_t i, j, k, total = 0, size, stride, bytes;
|
|
||||||
bool rev = lsb != f->info.lsb;
|
|
||||||
|
|
||||||
stride = f->info.channels * interleave;
|
|
||||||
size = f->info.channels * f->info.blocksize;
|
|
||||||
|
|
||||||
bytes = samples * stride;
|
|
||||||
bytes -= bytes % f->info.blocksize;
|
|
||||||
|
|
||||||
s = f->p;
|
|
||||||
while (total < bytes) {
|
|
||||||
for (i = 0; i < f->info.blocksize; i += interleave) {
|
|
||||||
for (j = 0; j < f->info.channels; j++) {
|
|
||||||
const uint8_t *c = &s[f->info.blocksize * j + i];
|
|
||||||
for (k = 0; k < interleave; k++)
|
|
||||||
*d++ = rev ? bitrev[c[k]] : c[k];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
s += size;
|
|
||||||
total += size;
|
|
||||||
}
|
|
||||||
f->p += total;
|
|
||||||
return total / stride;
|
|
||||||
}
|
|
||||||
|
|
||||||
int dsf_file_close(struct dsf_file *f)
|
|
||||||
{
|
|
||||||
if (f->mode == 1) {
|
|
||||||
munmap(f->data, f->size);
|
|
||||||
} else
|
|
||||||
return -EINVAL;
|
|
||||||
|
|
||||||
close(f->fd);
|
|
||||||
free(f);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
struct data {
|
struct data {
|
||||||
struct pw_main_loop *loop;
|
struct pw_main_loop *loop;
|
||||||
|
|
@ -279,8 +48,7 @@ struct data {
|
||||||
|
|
||||||
struct dsf_file *f;
|
struct dsf_file *f;
|
||||||
struct dsf_file_info info;
|
struct dsf_file_info info;
|
||||||
|
struct dsf_layout layout;
|
||||||
struct spa_audio_info_dsd format;
|
|
||||||
};
|
};
|
||||||
|
|
||||||
static void on_process(void *userdata)
|
static void on_process(void *userdata)
|
||||||
|
|
@ -301,11 +69,10 @@ static void on_process(void *userdata)
|
||||||
if ((d = buf->datas[0].data) == NULL)
|
if ((d = buf->datas[0].data) == NULL)
|
||||||
return;
|
return;
|
||||||
|
|
||||||
stride = data->info.channels * data->format.interleave;
|
stride = data->info.channels * data->layout.interleave;
|
||||||
|
|
||||||
samples = dsf_file_read(data->f, d, buf->datas[0].maxsize / stride,
|
samples = dsf_file_read(data->f, d, buf->datas[0].maxsize / stride,
|
||||||
data->format.interleave,
|
&data->layout);
|
||||||
data->format.bitorder == SPA_PARAM_BITORDER_lsb);
|
|
||||||
|
|
||||||
buf->datas[0].chunk->offset = 0;
|
buf->datas[0].chunk->offset = 0;
|
||||||
buf->datas[0].chunk->stride = stride;
|
buf->datas[0].chunk->stride = stride;
|
||||||
|
|
@ -334,11 +101,14 @@ on_param_changed(void *userdata, uint32_t id, const struct spa_pod *param)
|
||||||
if (spa_format_audio_dsd_parse(param, &info.info.dsd) < 0)
|
if (spa_format_audio_dsd_parse(param, &info.info.dsd) < 0)
|
||||||
return;
|
return;
|
||||||
|
|
||||||
data->format = info.info.dsd;
|
data->layout.interleave = info.info.dsd.interleave,
|
||||||
|
data->layout.channels = info.info.dsd.channels;
|
||||||
|
data->layout.lsb = info.info.dsd.bitorder == SPA_PARAM_BITORDER_lsb;
|
||||||
|
|
||||||
fprintf(stderr, "output:\n");
|
fprintf(stderr, "output:\n");
|
||||||
fprintf(stderr, " bitorder: %s\n",
|
fprintf(stderr, " bitorder: %s\n", data->layout.lsb ? "lsb" : "msb");
|
||||||
data->format.bitorder == SPA_PARAM_BITORDER_lsb ? "lsb" : "msb");
|
fprintf(stderr, " channels: %u\n", data->layout.channels);
|
||||||
fprintf(stderr, " interleave: %d\n", data->format.interleave);
|
fprintf(stderr, " interleave: %d\n", data->layout.interleave);
|
||||||
}
|
}
|
||||||
|
|
||||||
static const struct pw_stream_events stream_events = {
|
static const struct pw_stream_events stream_events = {
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue