remove debug message, increase ac108 buf size
This commit is contained in:
Baozhu Zuo
parent
b28887adab
commit
12bac6756a
2 changed files with 25 additions and 79 deletions
Binary file not shown.
|
|
@ -9,7 +9,7 @@
|
|||
#include <math.h>
|
||||
|
||||
#define ARRAY_SIZE(ary) (sizeof(ary)/sizeof(ary[0]))
|
||||
#define AC108_FRAME_SIZE 4096
|
||||
#define AC108_FRAME_SIZE 40960
|
||||
struct ac108_t {
|
||||
snd_pcm_ioplug_t io;
|
||||
snd_pcm_t *pcm;
|
||||
|
|
@ -62,13 +62,13 @@ static int ac108_slave_hw_params_half(struct ac108_t *capture, unsigned int rate
|
|||
err = snd_pcm_hw_params_set_period_time_near(capture->pcm, capture->hw_params,
|
||||
&period_time, 0);
|
||||
if (err < 0) {
|
||||
fprintf(stderr,"Unable to set_period_time_near");
|
||||
SNDERR("Unable to set_period_time_near");
|
||||
goto out;
|
||||
}
|
||||
err = snd_pcm_hw_params_set_buffer_time_near(capture->pcm, capture->hw_params,
|
||||
&buffer_time, 0);
|
||||
if (err < 0) {
|
||||
fprintf(stderr,"Unable to set_buffer_time_near");
|
||||
SNDERR("Unable to set_buffer_time_near");
|
||||
goto out;
|
||||
}
|
||||
|
||||
|
|
@ -88,9 +88,8 @@ out:
|
|||
*/
|
||||
static int ac108_start(snd_pcm_ioplug_t *io) {
|
||||
struct ac108_t *capture = io->private_data;
|
||||
fprintf(stderr,"ac108_start: %d\n",io->buffer_size);
|
||||
if(!capture->pcm) {
|
||||
fprintf(stderr, "pcm is lost\n");
|
||||
SNDERR( "pcm is lost\n");
|
||||
}
|
||||
|
||||
return snd_pcm_start(capture->pcm);
|
||||
|
|
@ -98,7 +97,6 @@ static int ac108_start(snd_pcm_ioplug_t *io) {
|
|||
|
||||
static int ac108_stop(snd_pcm_ioplug_t *io) {
|
||||
struct ac108_t *capture = io->private_data;
|
||||
fprintf(stderr,"ac108_stop!\n");
|
||||
|
||||
return snd_pcm_drop(capture->pcm);
|
||||
}
|
||||
|
|
@ -110,8 +108,7 @@ static int ac108_stop(snd_pcm_ioplug_t *io) {
|
|||
static snd_pcm_sframes_t ac108_pointer(snd_pcm_ioplug_t *io) {
|
||||
|
||||
struct ac108_t *capture = io->private_data;
|
||||
int bps = snd_pcm_format_width(io->format) / 8;
|
||||
int err, size;
|
||||
int size;
|
||||
|
||||
assert(capture);
|
||||
|
||||
|
|
@ -145,22 +142,18 @@ static snd_pcm_sframes_t ac108_transfer(snd_pcm_ioplug_t *io,
|
|||
unsigned char *dst_samples[io->channels];
|
||||
int dst_steps[io->channels];
|
||||
int bps = snd_pcm_format_width(io->format) / 8; /* bytes per sample */
|
||||
//int phys_bps = snd_pcm_format_physical_width(capture->format) / 8;
|
||||
//int big_endian = snd_pcm_format_big_endian(capture->format) == 1;
|
||||
//int to_unsigned = snd_pcm_format_unsigned(capture->format) == 1;
|
||||
//int is_float = (capture->format == SND_PCM_FORMAT_FLOAT_LE ||capture->format == SND_PCM_FORMAT_FLOAT_BE);
|
||||
int i;
|
||||
int count = 0;
|
||||
int err = 0;
|
||||
unsigned char *src_buf;
|
||||
unsigned char *src_data[4][4];
|
||||
unsigned char src_data[4][4];
|
||||
|
||||
|
||||
memset(capture_buf,0,AC108_FRAME_SIZE);
|
||||
|
||||
if(snd_pcm_avail(capture->pcm) > size*2){
|
||||
if ((err = snd_pcm_readi (capture->pcm, capture_buf, size*2)) != size*2) {
|
||||
fprintf (stderr, "read from audio interface failed %d %d %s!\n",size,err,snd_strerror (err));
|
||||
SNDERR("read from audio interface failed %ld %d %s!\n",size,err,snd_strerror (err));
|
||||
exit(EXIT_FAILURE);
|
||||
size = 0 ;
|
||||
}
|
||||
|
|
@ -171,20 +164,18 @@ static snd_pcm_sframes_t ac108_transfer(snd_pcm_ioplug_t *io,
|
|||
/* verify and prepare the contents of areas */
|
||||
for (chn = 0; chn < io->channels; chn++) {
|
||||
if ((dst_areas[chn].first % 8) != 0) {
|
||||
fprintf(stderr,"dst_areas[%i].first == %i, aborting...\n", chn, dst_areas[chn].first);
|
||||
SNDERR("dst_areas[%i].first == %i, aborting...\n", chn, dst_areas[chn].first);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
dst_samples[chn] = /*(signed short *)*/(((unsigned char *)dst_areas[chn].addr) + (dst_areas[chn].first / 8));
|
||||
if ((dst_areas[chn].step % 16) != 0) {
|
||||
fprintf(stderr,"dst_areas[%i].step == %i, aborting...\n", chn, dst_areas[chn].step);
|
||||
SNDERR("dst_areas[%i].step == %i, aborting...\n", chn, dst_areas[chn].step);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
dst_steps[chn] = dst_areas[chn].step / 8;
|
||||
dst_samples[chn] += dst_offset * dst_steps[chn];
|
||||
}
|
||||
#endif
|
||||
//fprintf(stderr,"ac108_transfer: %d %d %d %d\n", size,dst_offset,io->channels,bps);
|
||||
|
||||
// for(i = 0; i < size*2*bps;i++){
|
||||
// fprintf(stderr,"%x ",capture_buf[i]);
|
||||
// if(i%4 == 0)
|
||||
|
|
@ -193,13 +184,6 @@ static snd_pcm_sframes_t ac108_transfer(snd_pcm_ioplug_t *io,
|
|||
|
||||
//generate_sine(dst_areas, dst_offset,size, &count);
|
||||
src_buf = capture_buf;
|
||||
// while(1){
|
||||
// if(src_buf[0] == 0 && src_buf[0 + bps] == 1 &&
|
||||
// src_buf[0 + 2*bps] == 2 && src_buf[0 + 3*bps] == 3)
|
||||
// break;
|
||||
// else
|
||||
// src_buf += 4*bps;
|
||||
// }
|
||||
#if 1
|
||||
while(count < size){
|
||||
for(chn = 0; chn < 4; chn++){
|
||||
|
|
@ -214,7 +198,6 @@ static snd_pcm_sframes_t ac108_transfer(snd_pcm_ioplug_t *io,
|
|||
*(dst_samples[chn] + i) = src_data[chn][i];
|
||||
//fprintf(stderr,"%x ",*(dst_samples[chn] + i));
|
||||
}
|
||||
//fprintf(stderr,"%x %x %x %x\n",src_buf[3],src_buf[2],src_buf[1],src_buf[0]);
|
||||
//fprintf(stderr,"\n");
|
||||
dst_samples[chn] += dst_steps[chn];
|
||||
}
|
||||
|
|
@ -225,29 +208,6 @@ static snd_pcm_sframes_t ac108_transfer(snd_pcm_ioplug_t *io,
|
|||
|
||||
capture->last_size -= size;
|
||||
|
||||
#if 0
|
||||
/* we handle only an interleaved buffer */
|
||||
dst_buf = (char *)areas->addr + (areas->first + areas->step * offset) / 8;
|
||||
buf = dst_buf;
|
||||
|
||||
snd_pcm_readi(capture->pcm, capture_buf, size/2);
|
||||
#if 1
|
||||
for(a = 0; a < size*2;a++){
|
||||
fprintf(stderr,"%x ",capture_buf[a]);
|
||||
if(a%4 == 0)
|
||||
fprintf(stderr,"\n");
|
||||
}
|
||||
#endif
|
||||
memcpy((char*)dst_buf,capture_buf,size/2);
|
||||
|
||||
fprintf(stderr,"ac108_transfer: %d %d %d \n", size,offset,io->channels);
|
||||
|
||||
if (result <= 0) {
|
||||
fprintf(stderr, "%s out error:%d %d\n", __func__, result);
|
||||
return result;
|
||||
}
|
||||
capture->last_size -= size;
|
||||
#endif
|
||||
return size;
|
||||
}
|
||||
|
||||
|
|
@ -257,7 +217,6 @@ static snd_pcm_sframes_t ac108_transfer(snd_pcm_ioplug_t *io,
|
|||
static int ac108_poll_descriptors_count(snd_pcm_ioplug_t *io) {
|
||||
struct ac108_t *capture = io->private_data;
|
||||
|
||||
//fprintf(stderr, "%s\n", __FUNCTION__);
|
||||
return snd_pcm_poll_descriptors_count(capture->pcm);
|
||||
}
|
||||
|
||||
|
|
@ -265,7 +224,6 @@ static int ac108_poll_descriptors(snd_pcm_ioplug_t *io, struct pollfd *pfd,
|
|||
unsigned int space) {
|
||||
struct ac108_t *capture = io->private_data;
|
||||
|
||||
//fprintf(stderr, "%s\n", __FUNCTION__);
|
||||
return snd_pcm_poll_descriptors(capture->pcm, pfd, space);
|
||||
}
|
||||
|
||||
|
|
@ -273,7 +231,6 @@ static int ac108_poll_revents(snd_pcm_ioplug_t *io, struct pollfd *pfd,
|
|||
unsigned int nfds, unsigned short *revents) {
|
||||
struct ac108_t *capture = io->private_data;
|
||||
|
||||
//fprintf(stderr, "%s\n", __FUNCTION__);
|
||||
return snd_pcm_poll_descriptors_revents(capture->pcm, pfd, nfds, revents);
|
||||
}
|
||||
|
||||
|
|
@ -282,7 +239,6 @@ static int ac108_poll_revents(snd_pcm_ioplug_t *io, struct pollfd *pfd,
|
|||
*/
|
||||
static int ac108_close(snd_pcm_ioplug_t *io) {
|
||||
struct ac108_t *capture = io->private_data;
|
||||
fprintf(stderr,"ac108_close\n");
|
||||
if (capture->pcm)
|
||||
snd_pcm_close(capture->pcm);
|
||||
|
||||
|
|
@ -301,7 +257,7 @@ static int setSoftwareParams(struct ac108_t *capture) {
|
|||
// Get the current software parameters
|
||||
err = snd_pcm_sw_params_current(capture->pcm, softwareParams);
|
||||
if (err < 0) {
|
||||
fprintf(stderr, "Unable to get software parameters: %s", snd_strerror(err));
|
||||
SNDERR("Unable to get software parameters: %s", snd_strerror(err));
|
||||
goto done;
|
||||
}
|
||||
|
||||
|
|
@ -316,7 +272,7 @@ static int setSoftwareParams(struct ac108_t *capture) {
|
|||
err = snd_pcm_sw_params_set_start_threshold(capture->pcm, softwareParams,
|
||||
startThreshold);
|
||||
if (err < 0) {
|
||||
fprintf(stderr, "Unable to set start threshold to %lu frames: %s",
|
||||
SNDERR("Unable to set start threshold to %lu frames: %s",
|
||||
startThreshold, snd_strerror(err));
|
||||
goto done;
|
||||
}
|
||||
|
|
@ -324,7 +280,7 @@ static int setSoftwareParams(struct ac108_t *capture) {
|
|||
err = snd_pcm_sw_params_set_stop_threshold(capture->pcm, softwareParams,
|
||||
stopThreshold);
|
||||
if (err < 0) {
|
||||
fprintf(stderr, "Unable to set stop threshold to %lu frames: %s",
|
||||
SNDERR("Unable to set stop threshold to %lu frames: %s",
|
||||
stopThreshold, snd_strerror(err));
|
||||
goto done;
|
||||
}
|
||||
|
|
@ -333,15 +289,15 @@ static int setSoftwareParams(struct ac108_t *capture) {
|
|||
err = snd_pcm_sw_params_set_avail_min(capture->pcm, softwareParams,
|
||||
periodSize);
|
||||
if (err < 0) {
|
||||
fprintf(stderr, "Unable to configure available minimum to %lu: %s",
|
||||
SNDERR("Unable to configure available minimum to %lu: %s",
|
||||
periodSize, snd_strerror(err));
|
||||
goto done;
|
||||
}
|
||||
|
||||
// Commit the software parameters back to the device.
|
||||
err = snd_pcm_sw_params(capture->pcm, softwareParams);
|
||||
if (err < 0) fprintf(stderr, "Unable to configure software parameters: %s",
|
||||
snd_strerror(err));
|
||||
if (err < 0)
|
||||
SNDERR("Unable to configure software parameters: %s",snd_strerror(err));
|
||||
|
||||
|
||||
|
||||
|
|
@ -356,18 +312,15 @@ done:
|
|||
*
|
||||
* Set up pcm PCM according to the current parameters
|
||||
*/
|
||||
//static int ac108_hw_params(snd_pcm_ioplug_t *io,
|
||||
// snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED) {
|
||||
static int ac108_hw_params(snd_pcm_ioplug_t *io) {
|
||||
static int ac108_hw_params(snd_pcm_ioplug_t *io, snd_pcm_hw_params_t *params) {
|
||||
struct ac108_t *capture = io->private_data;
|
||||
snd_pcm_sw_params_t *sparams;
|
||||
snd_pcm_uframes_t period_size;
|
||||
snd_pcm_uframes_t buffer_size;
|
||||
int err;
|
||||
if (!capture->hw_params) {
|
||||
err = ac108_slave_hw_params_half(capture, 2*io->rate,io->format);
|
||||
if (err < 0) {
|
||||
fprintf(stderr, "ac108_slave_hw_params_half error\n");
|
||||
SNDERR("ac108_slave_hw_params_half error\n");
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
|
@ -388,7 +341,6 @@ static int ac108_hw_params(snd_pcm_ioplug_t *io) {
|
|||
return err;
|
||||
}
|
||||
setSoftwareParams(capture);
|
||||
fprintf(stderr, "ac108_hw_params\n");
|
||||
return 0;
|
||||
}
|
||||
/*
|
||||
|
|
@ -398,7 +350,6 @@ static int ac108_hw_free(snd_pcm_ioplug_t *io) {
|
|||
struct ac108_t *capture = io->private_data;
|
||||
free(capture->hw_params);
|
||||
capture->hw_params = NULL;
|
||||
fprintf(stderr,"ac108_hw_free\n");
|
||||
|
||||
return snd_pcm_hw_free(capture->pcm);
|
||||
|
||||
|
|
@ -409,7 +360,6 @@ static int ac108_prepare(snd_pcm_ioplug_t *io) {
|
|||
struct ac108_t *capture = io->private_data;
|
||||
capture->ptr = 0;
|
||||
capture->last_size =0;
|
||||
fprintf(stderr,"ac108_prepare\n");
|
||||
return snd_pcm_prepare(capture->pcm);
|
||||
}
|
||||
static int ac108_drain(snd_pcm_ioplug_t *io) {
|
||||
|
|
@ -417,12 +367,11 @@ static int ac108_drain(snd_pcm_ioplug_t *io) {
|
|||
|
||||
return snd_pcm_drain(capture->pcm);
|
||||
}
|
||||
#if 0
|
||||
static int ac108_sw_params(snd_pcm_ioplug_t *io, snd_pcm_sw_params_t *params) {
|
||||
struct ac108_t *capture = io->private_data;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
static int ac108_delay(snd_pcm_ioplug_t * io, snd_pcm_sframes_t * delayp){
|
||||
|
||||
return 0;
|
||||
|
|
@ -458,11 +407,12 @@ static int ac108_set_hw_constraint(struct ac108_t *capture) {
|
|||
unsigned int rates[] = {
|
||||
8000,
|
||||
16000,
|
||||
48000
|
||||
32000,
|
||||
44100,
|
||||
48000,
|
||||
96000
|
||||
};
|
||||
int err;
|
||||
snd_pcm_uframes_t buffer_max;
|
||||
unsigned int period_bytes, max_periods;
|
||||
|
||||
|
||||
err = snd_pcm_ioplug_set_param_list(&capture->io,
|
||||
|
|
@ -479,7 +429,8 @@ static int ac108_set_hw_constraint(struct ac108_t *capture) {
|
|||
(err = snd_pcm_ioplug_set_param_minmax(&capture->io, SND_PCM_IOPLUG_HW_CHANNELS,
|
||||
1, 4)) < 0 ||
|
||||
(err = snd_pcm_ioplug_set_param_list(&capture->io, SND_PCM_IOPLUG_HW_RATE,
|
||||
ARRAY_SIZE(rates), rates)) < 0) {
|
||||
ARRAY_SIZE(rates), rates)) < 0)
|
||||
{
|
||||
SNDERR("ioplug cannot set ac108 format channel rate!");
|
||||
return err;
|
||||
}
|
||||
|
|
@ -505,20 +456,15 @@ static int ac108_set_hw_constraint(struct ac108_t *capture) {
|
|||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
/*
|
||||
* Main entry point
|
||||
*/
|
||||
SND_PCM_PLUGIN_DEFINE_FUNC(ac108) {
|
||||
snd_config_iterator_t i, next;
|
||||
int err;
|
||||
const char *card = NULL;
|
||||
const char *pcm_string = NULL;
|
||||
snd_pcm_format_t format = SND_PCM_FORMAT_S32_LE;
|
||||
char devstr[128], tmpcard[8];
|
||||
struct ac108_t *capture;
|
||||
int channels;
|
||||
struct pollfd fds;
|
||||
if (stream != SND_PCM_STREAM_CAPTURE) {
|
||||
SNDERR("a108 is only for capture");
|
||||
return -EINVAL;
|
||||
|
|
|
|||
Loading…
Reference in a new issue