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alsa: add more debug

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Debug the hw and sw params to the debug log
This commit is contained in:
Wim Taymans 2022-09-12 13:29:39 +02:00
parent 634d7107a4
commit 0862e8c2ef
1 changed files with 38 additions and 0 deletions
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38
pipewire-alsa/alsa-plugins/pcm_pipewire.c
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@ -67,6 +67,9 @@ PW_LOG_TOPIC_STATIC(alsa_log_topic, "alsa.pcm");
typedef struct {
snd_pcm_ioplug_t io;
snd_output_t *output;
FILE *log_file;
char *node_name;
char *target;
char *role;
@ -176,6 +179,8 @@ static void snd_pcm_pipewire_free(snd_pcm_pipewire_t *pw)
pw_thread_loop_destroy(pw->main_loop);
free(pw->node_name);
free(pw->target);
snd_output_close(pw->output);
fclose(pw->log_file);
free(pw);
}
@ -521,6 +526,8 @@ static int snd_pcm_pipewire_prepare(snd_pcm_ioplug_t *io)
if (snd_pcm_sw_params_current(io->pcm, swparams) == 0) {
snd_pcm_sw_params_get_avail_min(swparams, &pw->min_avail);
snd_pcm_sw_params_get_boundary(swparams, &pw->boundary);
snd_pcm_sw_params_dump(swparams, pw->output);
fflush(pw->log_file);
} else {
pw->min_avail = io->period_size;
pw->boundary = io->buffer_size;
@ -686,6 +693,9 @@ static int snd_pcm_pipewire_hw_params(snd_pcm_ioplug_t * io,
snd_pcm_pipewire_t *pw = io->private_data;
bool planar;
snd_pcm_hw_params_dump(params, pw->output);
fflush(pw->log_file);
pw_log_debug("%p: hw_params buffer_size:%lu period_size:%lu", pw, io->buffer_size, io->period_size);
switch(io->access) {
@ -1049,6 +1059,25 @@ static const struct pw_core_events core_events = {
.error = on_core_error,
};
static ssize_t log_write(void *cookie, const char *buf, size_t size)
{
int len;
while (size > 0) {
len = strcspn(buf, "\n");
if (len > 0)
pw_log_debug("%.*s", (int)len, buf);
buf += len + 1;
size -= len + 1;
}
return size;
}
static cookie_io_functions_t io_funcs = {
.write = log_write,
};
static int snd_pcm_pipewire_open(snd_pcm_t **pcmp, const char *name,
const char *node_name,
const char *server_name,
@ -1088,6 +1117,15 @@ static int snd_pcm_pipewire_open(snd_pcm_t **pcmp, const char *name,
pw->fd = -1;
pw->io.poll_fd = -1;
pw->flags = flags;
pw->log_file = fopencookie(pw, "w", io_funcs);
if (pw->log_file == NULL) {
pw_log_error("can't create log file: %m");
return -errno;
}
if ((err = snd_output_stdio_attach(&pw->output, pw->log_file, 0)) < 0) {
pw_log_error("can't attach log file: %s", snd_strerror(err));
return err;
}
if (node_name == NULL)
pw->node_name = spa_aprintf("ALSA %s",