M7350/qcom-opensource/mm-audio/audio-native/qdsp5/sbctest.c

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2024-09-09 08:52:07 +00:00
/* sbctest.c - native SBC record test application
*
* Based on native sbc test application platform/system/extras/sound/playsbc.c
*
* Copyright (C) 2008 The Android Open Source Project
* Copyright (c) 2009-2010, 2012 The Linux Foundation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <stdint.h>
#include <sys/mman.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include <linux/msm_audio.h>
#include <linux/msm_audio_sbc.h>
#include <pthread.h>
#include <errno.h>
#include "audiotest_def.h"
#ifdef _ANDROID_
static const char *cmdfile = "/data/audio_test";
#else
static const char *cmdfile = "/tmp/audio_test";
#endif
static const char *dev_file_name;
static int rec_stop = 1;
int sbc_rec(struct audtest_config *config)
{
struct msm_audio_sbc_enc_config *sbc_data = (struct msm_audio_sbc_enc_config *) config->private_data;
unsigned char buf[8192];
struct msm_audio_sbc_enc_config cfg;
struct msm_audio_stream_config buf_cfg;
unsigned sz;
int fd, afd;
unsigned total = 0;
unsigned short enc_id;
const char *device = "a2dp_tx";
int device_id;
size_t batch_size;
int rc = -1;
if (sbc_data->mode > 3) {
perror("invalid channel mode \n");
return -1;
} else if (sbc_data->sample_rate != 48000) {
perror("invalid sample rate \n");
return -1;
} else if (sbc_data->bit_allocation > 1) {
perror("Invalid bit allocation\n");
return -1;
} else if (sbc_data->number_of_subbands != 1) {
perror("Invalid number of Bands\n");
return -1;
} else if (sbc_data->number_of_blocks > 3) {
perror("Invalid number of blocks\n");
return -1;
}
fd = open(config->file_name, O_CREAT | O_RDWR, 0666);
if (fd < 0) {
perror("cannot open output file");
return -1;
}
afd = open(dev_file_name, O_RDWR);
if (afd < 0) {
perror("cannot open msm_sbc_in");
close(fd);
return -1;
}
if (ioctl(afd, AUDIO_GET_SESSION_ID, &enc_id)) {
perror("could not get encoder session id\n");
goto error;
}
printf("enc_id = %d\n", enc_id);
#if defined(TARGET_USES_QCOM_MM_AUDIO)
/* if (devmgr_register_session(enc_id, DIR_TX) < 0) {
goto error;
} */
device_id = msm_get_device(device);
printf("Routing to A2DP\n");
if (devmgr_enable_device(device_id, DIR_TX) < 0){
perror("could not enable TX device\n");
return -1;
}
if (msm_route_stream(DIR_TX, enc_id, device_id, 1) < 0) {
perror("could not route stream to Device\n");
if (devmgr_disable_device(device_id, DIR_RX) < 0)
perror("could not disable device\n");
return -1;
}
#endif
/* Config param */
if(ioctl(afd, AUDIO_GET_STREAM_CONFIG, &buf_cfg)) {
printf("Error getting buf config param\n");
goto error;
}
if(ioctl(afd, AUDIO_SET_STREAM_CONFIG, &buf_cfg)) {
printf("Error setting buf config param\n");
goto error;
}
printf("Default buffer size = 0x%8x\n", buf_cfg.buffer_size);
printf("Default buffer count = 0x%8x\n",buf_cfg.buffer_count);
if (ioctl(afd, AUDIO_GET_SBC_ENC_CONFIG, &cfg)) {
perror("cannot read audio config");
goto fail;
}
cfg.bit_allocation = sbc_data->bit_allocation;
cfg.mode = sbc_data->mode;
cfg.number_of_subbands = sbc_data->number_of_subbands;
cfg.number_of_blocks = sbc_data->number_of_blocks;
if (cfg.mode) /* Mono */ {
if (sbc_data->bit_rate > 512000)
cfg.bit_rate = 512000;
else
cfg.bit_rate = sbc_data->bit_rate;
} else {
if (sbc_data->bit_rate > 320000)
cfg.bit_rate = 320000;
else
cfg.bit_rate = sbc_data->bit_rate;
}
cfg.sample_rate = sbc_data->sample_rate;
if (ioctl(afd, AUDIO_SET_SBC_ENC_CONFIG, &cfg)) {
perror("cannot write audio config");
goto fail;
}
sz = buf_cfg.buffer_size;
fprintf(stderr, "buffer size %d\n", sz);
if (sz > sizeof(buf)) {
fprintf(stderr, "buffer size %d too large\n", sz);
goto fail;
}
if (ioctl(afd, AUDIO_START, 0) < 0) {
perror("cannot start audio");
goto fail;
}
rec_stop = 0;
fprintf(stderr,"\n*** RECORDING IN PROGRESS ***\n");
while(!rec_stop) {
batch_size = read(afd, buf, sz);
printf("batch_size = %d\n", batch_size);
if (write(fd, buf, batch_size) != (ssize_t)batch_size) {
perror("cannot write buffer");
goto fail;
}
total += batch_size;
}
rc = 0;
fail:
#if defined(TARGET_USES_QCOM_MM_AUDIO)
/* if (devmgr_unregister_session(enc_id, DIR_TX) < 0)
return -1; */
printf("Derouting from A2DP\n");
if (devmgr_disable_device(device_id, DIR_TX) < 0){
perror("could not enable TX device\n");
return -1;
}
if (msm_route_stream(DIR_TX, enc_id, device_id, 0) < 0) {
perror("could not route stream to Device\n");
if (devmgr_disable_device(device_id, DIR_RX) < 0)
perror("could not disable device\n");
return -1;
}
#endif
error:
close(afd);
close(fd);
unlink(config->file_name);
return rc;
}
void* recsbc_thread(void* arg) {
struct audiotest_thread_context *context =
(struct audiotest_thread_context*) arg;
int ret_val;
ret_val = sbc_rec(&context->config);
free_context(context);
pthread_exit((void*) ret_val);
return NULL;
}
int sbcrec_read_params(void) {
struct audiotest_thread_context *context;
char *token;
int ret_val = 0;
if ((context = get_free_context()) == NULL) {
ret_val = -1;
} else {
struct msm_audio_sbc_enc_config *sbc_data;
sbc_data = (struct msm_audio_sbc_enc_config *) malloc(sizeof(struct msm_audio_sbc_enc_config));
if (!sbc_data) {
printf("Error in allocating sbc structure\n");
free_context(context);
ret_val = -1;
} else {
context->config.file_name = "/data/record.sbc";
dev_file_name = "/dev/msm_a2dp_in";
context->type = AUDIOTEST_TEST_MOD_SBC_ENC;
sbc_data->bit_allocation = AUDIO_SBC_BA_SNR;
sbc_data->mode = AUDIO_SBC_MODE_JSTEREO;
sbc_data->number_of_subbands = AUDIO_SBC_BANDS_8;
sbc_data->number_of_blocks = AUDIO_SBC_BLOCKS_16;
sbc_data->bit_rate = 507000;
sbc_data->sample_rate = 48000;
token = strtok(NULL, " ");
while (token != NULL) {
printf("%s \n", token);
if (!memcmp(token,"-rate=", (sizeof("-rate=") - 1))) {
context->config.sample_rate =
atoi(&token[sizeof("-rate=") - 1]);
} else if (!memcmp(token,"-ba=", (sizeof("-ba=") - 1))) {
sbc_data->bit_allocation =
atoi(&token[sizeof("-ba=") - 1]);
} else if (!memcmp(token,"-cmode=", (sizeof("-cmode=") - 1))) {
sbc_data->mode =
atoi(&token[sizeof("-cmode=") - 1]);
} else if (!memcmp(token,"-bands=", (sizeof("-bands=") - 1))) {
sbc_data->number_of_subbands =
atoi(&token[sizeof("-bands=") - 1]);
} else if (!memcmp(token,"-blocks=", (sizeof("-blocks=") - 1))) {
sbc_data->number_of_blocks =
atoi(&token[sizeof("-blocks=") - 1]);
} else if (!memcmp(token,"-bitrate=", (sizeof("-bitrate=") - 1))) {
sbc_data->bit_rate =
atoi(&token[sizeof("-bitrate=") - 1]);
} else if (!memcmp(token,"-id=", (sizeof("-id=") - 1))) {
context->cxt_id = atoi(&token[sizeof("-id=") - 1]);
} else if (!memcmp(token, "-dev=",
(sizeof("-dev=") - 1))) {
dev_file_name = token + (sizeof("-dev=")-1);
} else {
context->config.file_name = token;
}
token = strtok(NULL, " ");
}
context->config.private_data = (struct msm_audio_sbc_enc_config *) sbc_data;
pthread_create( &context->thread, NULL, recsbc_thread, (void*) context);
}
}
return ret_val;
}
int sbc_rec_control_handler(void* private_data) {
int /* drvfd ,*/ ret_val = 0;
char *token;
printf("%s: cmd \n", __FUNCTION__);
token = strtok(NULL, " ");
if ((private_data != NULL) &&
(token != NULL)) {
/* drvfd = (int) private_data */
if(!memcmp(token,"-cmd=", (sizeof("-cmd=") -1))) {
token = &token[sizeof("-cmd=") - 1];
printf("%s: cmd %s\n", __FUNCTION__, token);
if (!strcmp(token, "stop")) {
rec_stop = 1;
}
}
} else {
ret_val = -1;
}
return ret_val;
}
const char *sbcrec_help_txt =
"Record sbc file: type \n\
echo \"recsbc path_of_file -rate=xxx -ba=x -cmode=x -bands=x -blocks=x -bitrate=x -id=xxx -dev=/dev/msm_a2dp_in\" > %s \n\
rate: 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000 \n\
ba: bit allocation 0 or 1 \n\
mode: 0 or 1 or 2 or 3\n\
bands: 1 \n\
blocks: 0 or 1 or 2 or 3 \n\
bitrate: 320000, 512000 \n\
Supported control command: stop\n ";
void sbcrec_help_menu(void) {
printf(sbcrec_help_txt, cmdfile);
}