fan/orangepi-5-plus-kernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

first commit

Browse Source
This commit is contained in:
Your Name
2026-02-07 20:22:48 +08:00
commit 1b9711d5e4
2270 changed files with 805872 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

288
external/cache/sources/tinyalsa_hub/tinycap_hub.c vendored Executable file
View File

@@ -0,0 +1,288 @@
/* tinycap.c
**
** Copyright 2011, The Android Open Source Project
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * 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.
** * Neither the name of The Android Open Source Project 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 Android Open Source Project ``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 Android Open Source Project 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.
*/
#include <tinyalsa/asoundlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <signal.h>
#include <string.h>
#define ID_RIFF 0x46464952
#define ID_WAVE 0x45564157
#define ID_FMT 0x20746d66
#define ID_DATA 0x61746164
#define FORMAT_PCM 1
struct wav_header {
uint32_t riff_id;
uint32_t riff_sz;
uint32_t riff_fmt;
uint32_t fmt_id;
uint32_t fmt_sz;
uint16_t audio_format;
uint16_t num_channels;
uint32_t sample_rate;
uint32_t byte_rate;
uint16_t block_align;
uint16_t bits_per_sample;
uint32_t data_id;
uint32_t data_sz;
};
int loop_seconds = 0;
int capturing = 1;
int prinfo = 1;
unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
unsigned int channels, unsigned int rate,
enum pcm_format format, unsigned int period_size,
unsigned int period_count);
void sigint_handler(int sig)
{
capturing = 0;
}
int main(int argc, char **argv)
{
FILE *file;
struct wav_header header;
unsigned int card = 0;
unsigned int device = 0;
unsigned int channels = 2;
unsigned int rate = 44100;
unsigned int bits = 16;
unsigned int frames;
unsigned int period_size = 1024;
unsigned int period_count = 4;
enum pcm_format format;
int no_header = 0;
if (argc < 2) {
fprintf(stderr, "Usage: %s {file.wav | --} [-D card] [-d device] [-c channels] "
"[-t seconds] [-r rate] [-b bits] [-p period_size] [-n n_periods]\n\n"
"Use -- for filename to send raw PCM to stdout\n", argv[0]);
return 1;
}
if (strcmp(argv[1],"--") == 0) {
file = stdout;
prinfo = 0;
no_header = 1;
} else {
file = fopen(argv[1], "wb");
if (!file) {
fprintf(stderr, "Unable to create file '%s'\n", argv[1]);
return 1;
}
}
/* parse command line arguments */
argv += 2;
while (*argv) {
if (strcmp(*argv, "-d") == 0) {
argv++;
if (*argv)
device = atoi(*argv);
} else if (strcmp(*argv, "-c") == 0) {
argv++;
if (*argv)
channels = atoi(*argv);
} else if (strcmp(*argv, "-r") == 0) {
argv++;
if (*argv)
rate = atoi(*argv);
} else if (strcmp(*argv, "-b") == 0) {
argv++;
if (*argv)
bits = atoi(*argv);
} else if (strcmp(*argv, "-D") == 0) {
argv++;
if (*argv)
card = atoi(*argv);
} else if (strcmp(*argv, "-p") == 0) {
argv++;
if (*argv)
period_size = atoi(*argv);
} else if (strcmp(*argv, "-n") == 0) {
argv++;
if (*argv)
period_count = atoi(*argv);
} else if (strcmp(*argv, "-t") == 0) {
argv++;
if (*argv)
loop_seconds = atoi(*argv);
}
if (*argv)
argv++;
}
header.riff_id = ID_RIFF;
header.riff_sz = 0;
header.riff_fmt = ID_WAVE;
header.fmt_id = ID_FMT;
header.fmt_sz = 16;
header.audio_format = FORMAT_PCM;
header.num_channels = channels;
header.sample_rate = rate;
switch (bits) {
case 32:
format = PCM_FORMAT_S32_LE;
break;
case 24:
format = PCM_FORMAT_S24_LE;
break;
case 16:
format = PCM_FORMAT_S16_LE;
break;
default:
fprintf(stderr, "%d bits is not supported.\n", bits);
return 1;
}
header.bits_per_sample = pcm_format_to_bits(format);
header.byte_rate = (header.bits_per_sample / 8) * channels * rate;
header.block_align = channels * (header.bits_per_sample / 8);
header.data_id = ID_DATA;
/* leave enough room for header */
if (!no_header) {
fseek(file, sizeof(struct wav_header), SEEK_SET);
}
/* install signal handler and begin capturing */
signal(SIGINT, sigint_handler);
frames = capture_sample(file, card, device, header.num_channels,
header.sample_rate, format,
period_size, period_count);
if (prinfo) {
printf("Captured %d frames\n", frames);
}
/* write header now all information is known */
if (!no_header) {
header.data_sz = frames * header.block_align;
header.riff_sz = header.data_sz + sizeof(header) - 8;
fseek(file, 0, SEEK_SET);
fwrite(&header, sizeof(struct wav_header), 1, file);
}
fclose(file);
return 0;
}
unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
unsigned int channels, unsigned int rate,
enum pcm_format format, unsigned int period_size,
unsigned int period_count)
{
struct pcm_config config;
struct pcm *pcm;
struct pcm *pcm1;
char *buffer;
unsigned int size;
unsigned int frames;
unsigned long long bytes_read = 0;
struct timeval tv;
struct timezone tz;
long time_sec1;
long time_sec2;
long time_total;
config.channels = channels;
config.rate = rate;
config.period_size = period_size;
config.period_count = period_count;
config.format = format;
config.start_threshold = 0;
config.stop_threshold = 0;
config.silence_threshold = 0;
pcm = pcm_open(card, device, PCM_IN, &config);
if (!pcm || !pcm_is_ready(pcm)) {
fprintf(stderr, "Unable to open PCM device (%s)\n",
pcm_get_error(pcm));
return 0;
}
if (device == 0)
pcm1 = pcm_open(2, 0, PCM_IN, &config);
else
printf("error: device is error");
if (!pcm1 || !pcm_is_ready(pcm1)) {
fprintf(stderr, "Unable to open PCM device %u (%s)\n",
device, pcm_get_error(pcm1));
return 0;
}
pcm_prepare(pcm);
pcm_prepare(pcm1);
size = pcm_frames_to_bytes(pcm, pcm_get_buffer_size(pcm));
buffer = malloc(size);
if (!buffer) {
fprintf(stderr, "Unable to allocate %d bytes\n", size);
free(buffer);
pcm_close(pcm);
pcm_close(pcm1);
return 0;
}
if (prinfo) {
printf("Capturing sample: %u ch, %u hz, %u bit\n", channels, rate,
pcm_format_to_bits(format));
}
gettimeofday(&tv, &tz);
time_sec1 = tv.tv_sec;
while (capturing && !pcm_read(pcm, buffer, size)) {
if (fwrite(buffer, 1, size, file) != size) {
fprintf(stderr,"Error capturing sample\n");
break;
}
gettimeofday(&tv, &tz);
time_sec2 = tv.tv_sec;
time_total = time_sec2 - time_sec1;
if (time_total >= (loop_seconds)) {
printf("time_total:%ld, loop_seconds:%d\n",
time_total, loop_seconds);
break;
}
bytes_read += size;
}
frames = pcm_bytes_to_frames(pcm, bytes_read);
free(buffer);
pcm_close(pcm);
pcm_close(pcm1);
return frames;
}