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alsa: implement monitor and device

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This commit is contained in:
Wim Taymans 2018-11-23 17:41:39 +01:00
parent 0a88805743
commit e23c209a5f
11 changed files with 527 additions and 289 deletions
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334
spa/plugins/alsa/alsa-device.c Normal file
View file

@ -0,0 +1,334 @@
/* Spa ALSA Device
*
* Copyright © 2018 Wim Taymans
*
* 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.
*/
#include <stddef.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <poll.h>
#include <libudev.h>
#include <asoundlib.h>
#include <spa/support/log.h>
#include <spa/utils/type.h>
#include <spa/support/loop.h>
#include <spa/support/plugin.h>
#include <spa/monitor/device.h>
#define NAME "alsa-device"
#define MAX_DEVICES 64
extern const struct spa_handle_factory spa_alsa_sink_factory;
extern const struct spa_handle_factory spa_alsa_source_factory;
static const char default_device[] = "hw:0";
struct props {
char device[64];
};
static void reset_props(struct props *props)
{
strncpy(props->device, default_device, 64);
}
struct impl {
struct spa_handle handle;
struct spa_device device;
struct spa_log *log;
struct spa_loop *main_loop;
const struct spa_device_callbacks *callbacks;
void *callbacks_data;
snd_ctl_t *ctl_hndl;
struct props props;
};
static const char *get_class(snd_pcm_info_t *pcminfo)
{
switch (snd_pcm_info_get_class(pcminfo)) {
case SND_PCM_CLASS_GENERIC:
return "generic";
case SND_PCM_CLASS_MULTI:
return "multichannel";
case SND_PCM_CLASS_MODEM:
return "modem";
case SND_PCM_CLASS_DIGITIZER:
return "digitizer";
default:
return "unknown";
}
}
static const char *get_subclass(snd_pcm_info_t *pcminfo)
{
switch (snd_pcm_info_get_subclass(pcminfo)) {
case SND_PCM_SUBCLASS_GENERIC_MIX:
return "generic-mix";
case SND_PCM_SUBCLASS_MULTI_MIX:
return "multichannel-mix";
default:
return "unknown";
}
}
static int emit_device(struct impl *this, snd_ctl_card_info_t *info, snd_pcm_info_t *pcminfo)
{
struct spa_dict_item items[13];
const struct spa_handle_factory *factory;
char device_name[128];
snprintf(device_name, 128, "%s,%d", this->props.device, snd_pcm_info_get_device(pcminfo));
items[0] = SPA_DICT_ITEM_INIT("alsa.card.id", snd_ctl_card_info_get_id(info));
items[1] = SPA_DICT_ITEM_INIT("alsa.device", device_name);
items[2] = SPA_DICT_ITEM_INIT("alsa.card.components", snd_ctl_card_info_get_components(info));
items[3] = SPA_DICT_ITEM_INIT("alsa.card.driver", snd_ctl_card_info_get_driver(info));
items[4] = SPA_DICT_ITEM_INIT("alsa.card.name", snd_ctl_card_info_get_name(info));
items[5] = SPA_DICT_ITEM_INIT("alsa.card.longname", snd_ctl_card_info_get_longname(info));
items[6] = SPA_DICT_ITEM_INIT("alsa.card.mixername", snd_ctl_card_info_get_mixername(info));
items[7] = SPA_DICT_ITEM_INIT("device.name", snd_ctl_card_info_get_id(info));
items[8] = SPA_DICT_ITEM_INIT("alsa.pcm.id", snd_pcm_info_get_id(pcminfo));
items[9] = SPA_DICT_ITEM_INIT("alsa.pcm.name", snd_pcm_info_get_name(pcminfo));
items[10] = SPA_DICT_ITEM_INIT("alsa.pcm.subname", snd_pcm_info_get_subdevice_name(pcminfo));
items[11] = SPA_DICT_ITEM_INIT("alsa.pcm.class", get_class(pcminfo));
items[12] = SPA_DICT_ITEM_INIT("alsa.pcm.subclass", get_subclass(pcminfo));
if (snd_pcm_info_get_stream(pcminfo) == SND_PCM_STREAM_PLAYBACK)
factory = &spa_alsa_sink_factory;
else
factory = &spa_alsa_source_factory;
if (this->callbacks->add)
this->callbacks->add(this->callbacks_data, 0,
factory,
SPA_TYPE_INTERFACE_Node,
&SPA_DICT_INIT(items, 13));
return 0;
}
static int emit_devices(struct impl *this)
{
int err = 0, dev;
snd_ctl_card_info_t *info;
snd_pcm_info_t *pcminfo;
spa_log_info(this->log, "open card %s", this->props.device);
if ((err = snd_ctl_open(&this->ctl_hndl, this->props.device, 0)) < 0) {
spa_log_error(this->log, "can't open control for card %s: %s",
this->props.device, snd_strerror(err));
return err;
}
snd_ctl_card_info_alloca(&info);
if ((err = snd_ctl_card_info(this->ctl_hndl, info)) < 0) {
spa_log_error(this->log, "error hardware info: %s", snd_strerror(err));
goto exit;
}
snd_pcm_info_alloca(&pcminfo);
dev = -1;
while (1) {
if ((err = snd_ctl_pcm_next_device(this->ctl_hndl, &dev)) < 0) {
spa_log_error(this->log, "error iterating devices: %s", snd_strerror(err));
goto exit;
}
if (dev < 0)
break;
snd_pcm_info_set_device(pcminfo, dev);
snd_pcm_info_set_subdevice(pcminfo, 0);
snd_pcm_info_set_stream(pcminfo, SND_PCM_STREAM_PLAYBACK);
if ((err = snd_ctl_pcm_info(this->ctl_hndl, pcminfo)) < 0) {
if (err != -ENOENT)
spa_log_error(this->log, "error pcm info: %s", snd_strerror(err));
}
if (err >= 0)
emit_device(this, info, pcminfo);
snd_pcm_info_set_stream(pcminfo, SND_PCM_STREAM_CAPTURE);
if ((err = snd_ctl_pcm_info(this->ctl_hndl, pcminfo)) < 0) {
if (err != -ENOENT)
spa_log_error(this->log, "error pcm info: %s", snd_strerror(err));
}
if (err >= 0)
emit_device(this, info, pcminfo);
}
exit:
snd_ctl_close(this->ctl_hndl);
return err;
}
static int impl_set_callbacks(struct spa_device *device,
const struct spa_device_callbacks *callbacks,
void *data)
{
struct impl *this;
spa_return_val_if_fail(device != NULL, -EINVAL);
this = SPA_CONTAINER_OF(device, struct impl, device);
this->callbacks = callbacks;
this->callbacks_data = data;
if (callbacks)
emit_devices(this);
return 0;
}
static int impl_enum_params(struct spa_device *device,
uint32_t id, uint32_t *index,
const struct spa_pod *filter,
struct spa_pod **param,
struct spa_pod_builder *builder)
{
return -ENOTSUP;
}
static int impl_set_param(struct spa_device *device,
uint32_t id, uint32_t flags,
const struct spa_pod *param)
{
return -ENOTSUP;
}
static const struct spa_device impl_device = {
SPA_VERSION_DEVICE,
NULL,
impl_set_callbacks,
impl_enum_params,
impl_set_param,
};
static int impl_get_interface(struct spa_handle *handle, uint32_t type, void **interface)
{
struct impl *this;
spa_return_val_if_fail(handle != NULL, -EINVAL);
spa_return_val_if_fail(interface != NULL, -EINVAL);
this = (struct impl *) handle;
if (type == SPA_TYPE_INTERFACE_Device)
*interface = &this->device;
else
return -ENOENT;
return 0;
}
static int impl_clear(struct spa_handle *handle)
{
return 0;
}
static size_t
impl_get_size(const struct spa_handle_factory *factory,
const struct spa_dict *params)
{
return sizeof(struct impl);
}
static int
impl_init(const struct spa_handle_factory *factory,
struct spa_handle *handle,
const struct spa_dict *info,
const struct spa_support *support,
uint32_t n_support)
{
struct impl *this;
const char *str;
uint32_t i;
spa_return_val_if_fail(factory != NULL, -EINVAL);
spa_return_val_if_fail(handle != NULL, -EINVAL);
handle->get_interface = impl_get_interface;
handle->clear = impl_clear;
this = (struct impl *) handle;
for (i = 0; i < n_support; i++) {
if (support[i].type == SPA_TYPE_INTERFACE_Log)
this->log = support[i].data;
else if (support[i].type == SPA_TYPE_INTERFACE_MainLoop)
this->main_loop = support[i].data;
}
if (this->main_loop == NULL) {
spa_log_error(this->log, "a main-loop is needed");
return -EINVAL;
}
this->device = impl_device;
reset_props(&this->props);
if (info && (str = spa_dict_lookup(info, "alsa.card")))
snprintf(this->props.device, 64, "hw:%d", atoi(str));
return 0;
}
static const struct spa_interface_info impl_interfaces[] = {
{SPA_TYPE_INTERFACE_Device,},
};
static int
impl_enum_interface_info(const struct spa_handle_factory *factory,
const struct spa_interface_info **info,
uint32_t *index)
{
spa_return_val_if_fail(factory != NULL, -EINVAL);
spa_return_val_if_fail(info != NULL, -EINVAL);
spa_return_val_if_fail(index != NULL, -EINVAL);
if (*index >= SPA_N_ELEMENTS(impl_interfaces))
return 0;
*info = &impl_interfaces[(*index)++];
return 1;
}
const struct spa_handle_factory spa_alsa_device_factory = {
SPA_VERSION_HANDLE_FACTORY,
NAME,
NULL,
impl_get_size,
impl_init,
impl_enum_interface_info,
};

363
spa/plugins/alsa/alsa-monitor.c
View file

@ -40,30 +40,12 @@
#define NAME "alsa-monitor"
#define MAX_CARDS 32
#define MAX_DEVICES 64
#define MAX_CARDS 64
extern const struct spa_handle_factory spa_alsa_sink_factory;
extern const struct spa_handle_factory spa_alsa_source_factory;
extern const struct spa_handle_factory spa_alsa_device_factory;
struct device {
int id;
#define DEVICE_FLAG_VALID (1<<0)
#define DEVICE_FLAG_PLAYBACK (1<<1)
#define DEVICE_FLAG_RECORD (1<<2)
uint32_t flags;
};
struct card {
int id;
struct udev_device *dev;
snd_ctl_t *ctl_hndl;
char name[16];
struct device devices[MAX_DEVICES];
int n_devices;
int device_idx;
int stream_idx;
struct item {
struct udev_device *udevice;
};
struct impl {
@ -82,12 +64,10 @@ struct impl {
uint32_t index;
struct udev_list_entry *devices;
struct card cards[MAX_CARDS];
struct item uitem;
uint32_t cards[MAX_CARDS];
int n_cards;
int card_idx;
int fd;
struct spa_source source;
};
@ -97,10 +77,25 @@ static int impl_udev_open(struct impl *this)
return 0;
this->udev = udev_new();
if (this->udev == NULL)
return -ENOMEM;
return 0;
}
static inline void add_dict(struct spa_pod_builder *builder, const char *key, ...)
{
va_list args;
va_start(args, key);
while (key) {
spa_pod_builder_string(builder, key);
spa_pod_builder_string(builder, va_arg(args, const char*));
key = va_arg(args, const char *);
}
va_end(args);
}
static const char *path_get_card_id(const char *path)
{
const char *e;
@ -117,56 +112,16 @@ static const char *path_get_card_id(const char *path)
return e + 5;
}
static inline void add_dict(struct spa_pod_builder *builder, const char *key, ...)
static int fill_item(struct impl *this, struct item *item, struct udev_device *dev,
struct spa_pod **result, struct spa_pod_builder *builder)
{
va_list args;
const char *str, *name;
va_start(args, key);
while (key) {
spa_pod_builder_string(builder, key);
spa_pod_builder_string(builder, va_arg(args, const char*));
key = va_arg(args, const char *);
}
va_end(args);
}
static int
fill_item(struct impl *this, snd_ctl_card_info_t *card_info,
snd_pcm_info_t *dev_info, struct card *card,
struct spa_pod **item, struct spa_pod_builder *builder)
{
const char *str, *name, *klass = NULL;
const struct spa_handle_factory *factory = NULL;
char device_name[64], id[66];
struct udev_device *dev = card->dev;
struct device *device;
int device_idx = snd_pcm_info_get_device(dev_info);
int stream = snd_pcm_info_get_stream(dev_info);
if (device_idx < 0 || device_idx >= MAX_DEVICES)
return -1;
device = &card->devices[device_idx];
device->id = device_idx;
snprintf(device_name, 64, "%s,%d", card->name, device_idx);
switch (stream) {
case SND_PCM_STREAM_PLAYBACK:
factory = &spa_alsa_sink_factory;
klass = "Audio/Sink";
SPA_FLAG_SET(device->flags, DEVICE_FLAG_PLAYBACK);
snprintf(id, 66, "%s/P", device_name);
break;
case SND_PCM_STREAM_CAPTURE:
factory = &spa_alsa_source_factory;
klass = "Audio/Source";
SPA_FLAG_SET(device->flags, DEVICE_FLAG_RECORD);
snprintf(id, 66, "%s/C", device_name);
break;
default:
return -1;
}
if (item->udevice)
udev_device_unref(item->udevice);
item->udevice = dev;
if (dev == NULL)
return 0;
name = udev_device_get_property_value(dev, "ID_MODEL_FROM_DATABASE");
if (!(name && *name)) {
@ -180,32 +135,25 @@ fill_item(struct impl *this, snd_ctl_card_info_t *card_info,
spa_pod_builder_push_object(builder, SPA_TYPE_OBJECT_MonitorItem, 0);
spa_pod_builder_props(builder,
SPA_MONITOR_ITEM_id, &SPA_POD_String(id, sizeof(id)),
SPA_MONITOR_ITEM_id, &SPA_POD_Stringv(udev_device_get_syspath(dev)),
SPA_MONITOR_ITEM_flags, &SPA_POD_Id(SPA_MONITOR_ITEM_FLAG_NONE),
SPA_MONITOR_ITEM_state, &SPA_POD_Id(SPA_MONITOR_ITEM_STATE_Available),
SPA_MONITOR_ITEM_name, &SPA_POD_Stringv(name),
SPA_MONITOR_ITEM_class, &SPA_POD_Stringv(klass),
SPA_MONITOR_ITEM_factory, &SPA_POD_Pointer(SPA_TYPE_INTERFACE_HandleFactory, factory),
SPA_MONITOR_ITEM_type, &SPA_POD_Id(SPA_TYPE_INTERFACE_Node),
SPA_MONITOR_ITEM_class, &SPA_POD_Stringv("Audio/Device"),
SPA_MONITOR_ITEM_factory, &SPA_POD_Pointer(SPA_TYPE_INTERFACE_HandleFactory, &spa_alsa_device_factory),
SPA_MONITOR_ITEM_type, &SPA_POD_Id(SPA_TYPE_INTERFACE_Device),
0);
if ((str = path_get_card_id(udev_device_get_property_value(dev, "DEVPATH"))) == NULL)
return 0;
spa_pod_builder_prop(builder, SPA_MONITOR_ITEM_info, 0);
spa_pod_builder_push_struct(builder),
add_dict(builder,
"alsa.card", card->name,
"alsa.device", device_name,
"alsa.card.id", snd_ctl_card_info_get_id(card_info),
"alsa.card.components", snd_ctl_card_info_get_components(card_info),
"alsa.card.driver", snd_ctl_card_info_get_driver(card_info),
"alsa.card.name", snd_ctl_card_info_get_name(card_info),
"alsa.card.longname", snd_ctl_card_info_get_longname(card_info),
"alsa.card.mixername", snd_ctl_card_info_get_mixername(card_info),
"udev-probed", "1",
"device.api", "alsa",
"device.name", snd_ctl_card_info_get_id(card_info),
"alsa.pcm.id", snd_pcm_info_get_id(dev_info),
"alsa.pcm.name", snd_pcm_info_get_name(dev_info),
"alsa.pcm.subname", snd_pcm_info_get_subdevice_name(dev_info),
"device.path", udev_device_get_devnode(dev),
"alsa.card", str,
NULL);
if ((str = udev_device_get_property_value(dev, "SOUND_CLASS")) && *str) {
@ -255,115 +203,49 @@ fill_item(struct impl *this, snd_ctl_card_info_t *card_info,
add_dict(builder, "device.form_factor", str, 0);
}
spa_pod_builder_pop(builder);
*item = spa_pod_builder_pop(builder);
*result = spa_pod_builder_pop(builder);
return 0;
return 1;
}
static struct card *find_card(struct impl *this, struct udev_device *dev)
static int need_notify(struct impl *this, struct udev_device *dev, uint32_t id)
{
int id;
const char *str;
struct card *card;
int idx, i;
if (udev_device_get_property_value(dev, "PULSE_IGNORE"))
return NULL;
if ((str = udev_device_get_property_value(dev, "SOUND_CLASS")) && strcmp(str, "modem") == 0)
return NULL;
if ((str = path_get_card_id(udev_device_get_property_value(dev, "DEVPATH"))) == NULL)
return NULL;
id = atoi(str);
if (id < 0 || id >= MAX_CARDS)
return NULL;
card = &this->cards[id];
card->id = id;
card->dev = dev;
return card;
}
static int open_card(struct impl *this, struct card *card)
{
int err;
if (card->ctl_hndl)
return 0;
snprintf(card->name, 16, "hw:%d", card->id);
spa_log_info(this->log, "open card %s", card->name);
if ((str = udev_device_get_property_value(dev, "SOUND_CLASS")) && strcmp(str, "modem") == 0)
return 0;
if ((err = snd_ctl_open(&card->ctl_hndl, card->name, 0)) < 0) {
spa_log_error(this->log, "can't open control for card %s: %s",
card->name, snd_strerror(err));
return err;
}
card->device_idx = -1;
card->stream_idx = -1;
if ((str = path_get_card_id(udev_device_get_property_value(dev, "DEVPATH"))) == NULL)
return 0;
return 0;
}
idx = atoi(str);
static void close_card(struct impl *this, struct card *card)
{
if (card->ctl_hndl == NULL)
return;
spa_log_info(this->log, "close card %s", card->name);
udev_device_unref(card->dev);
snd_ctl_close(card->ctl_hndl);
card->ctl_hndl = NULL;
}
static int get_next_device(struct impl *this, struct card *card,
struct spa_pod **item, struct spa_pod_builder *builder)
{
int err;
snd_pcm_info_t *dev_info;
snd_ctl_card_info_t *card_info;
if (card->stream_idx == -1) {
next_device:
if ((err = snd_ctl_pcm_next_device(card->ctl_hndl, &card->device_idx)) < 0) {
spa_log_error(this->log, "error iterating devices: %s", snd_strerror(err));
return err;
if (id == SPA_MONITOR_EVENT_Added) {
for (i = 0; i < this->n_cards; i++) {
if (this->cards[i] == idx)
return 0;
}
if (card->device_idx < 0)
return -1;
card->stream_idx = 0;
if (this->n_cards >= MAX_CARDS)
return 0;
this->cards[this->n_cards++] = idx;
}
snd_pcm_info_alloca(&dev_info);
snd_pcm_info_set_device(dev_info, card->device_idx);
snd_pcm_info_set_subdevice(dev_info, 0);
again:
switch (card->stream_idx++) {
case 0:
snd_pcm_info_set_stream(dev_info, SND_PCM_STREAM_PLAYBACK);
break;
case 1:
snd_pcm_info_set_stream(dev_info, SND_PCM_STREAM_CAPTURE);
break;
default:
goto next_device;
if (id == SPA_MONITOR_EVENT_Removed) {
int found = -1;
for (i = 0; i < this->n_cards; i++) {
if (this->cards[i] == idx) {
found = i;
break;
}
}
if (found == -1)
return 0;
this->cards[found] = this->cards[--this->n_cards];
}
snd_ctl_card_info_alloca(&card_info);
if ((err = snd_ctl_card_info(card->ctl_hndl, card_info)) < 0) {
spa_log_error(this->log, "can't get card info for device: %s", snd_strerror(err));
return err;
}
if ((err = snd_ctl_pcm_info(card->ctl_hndl, dev_info)) < 0)
goto again;
return fill_item(this, card_info, dev_info, card, item, builder);
return 1;
}
static void impl_on_fd_events(struct spa_source *source)
@ -371,76 +253,35 @@ static void impl_on_fd_events(struct spa_source *source)
struct impl *this = source->data;
struct udev_device *dev;
const char *action;
uint32_t type;
struct card *card;
uint32_t id;
uint8_t buffer[4096];
struct spa_pod_builder b = { NULL };
struct spa_event *event;
struct spa_pod *item;
dev = udev_monitor_receive_device(this->umonitor);
if (dev == NULL)
return;
if ((action = udev_device_get_action(dev)) == NULL)
action = "change";
if (strcmp(action, "add") == 0) {
type = SPA_MONITOR_EVENT_Added;
id = SPA_MONITOR_EVENT_Added;
} else if (strcmp(action, "change") == 0) {
type = SPA_MONITOR_EVENT_Changed;
id = SPA_MONITOR_EVENT_Changed;
} else if (strcmp(action, "remove") == 0) {
type = SPA_MONITOR_EVENT_Removed;
id = SPA_MONITOR_EVENT_Removed;
} else
return;
if ((card = find_card(this, dev)) == NULL)
if (!need_notify(this, dev, id))
return;
if (type == SPA_MONITOR_EVENT_Removed) {
int i;
for (i = 0; i < MAX_DEVICES; i++) {
struct device *device = &card->devices[i];
uint8_t buffer[4096];
char id[64];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
if (SPA_FLAG_CHECK(device->flags, DEVICE_FLAG_PLAYBACK)) {
snprintf(id, 64, "%s,%d/P", card->name, device->id);
event = spa_pod_builder_object(&b, SPA_TYPE_EVENT_Monitor, type, 0);
spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_MonitorItem, 0,
SPA_MONITOR_ITEM_id, &SPA_POD_Stringv(id),
SPA_MONITOR_ITEM_name, &SPA_POD_Stringv(id),
0);
this->callbacks->event(this->callbacks_data, event);
}
if (SPA_FLAG_CHECK(device->flags, DEVICE_FLAG_RECORD)) {
snprintf(id, 64, "%s,%d/C", card->name, device->id);
event = spa_pod_builder_object(&b, SPA_TYPE_EVENT_Monitor, type, 0);
spa_pod_builder_object(&b,
SPA_TYPE_OBJECT_MonitorItem, 0,
SPA_MONITOR_ITEM_id, &SPA_POD_Stringv(id),
SPA_MONITOR_ITEM_name, &SPA_POD_Stringv(id),
0);
this->callbacks->event(this->callbacks_data, event);
}
device->flags = 0;
}
}
else {
if (open_card(this, card) < 0)
return;
while (true) {
uint8_t buffer[4096];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
struct spa_pod *item;
event = spa_pod_builder_object(&b, SPA_TYPE_EVENT_Monitor, type, 0);
if (get_next_device(this, card, &item, &b) < 0)
break;
this->callbacks->event(this->callbacks_data, event);
}
}
close_card(this, card);
spa_pod_builder_init(&b, buffer, sizeof(buffer));
event = spa_pod_builder_object(&b, SPA_TYPE_EVENT_Monitor, id, 0);
if (fill_item(this, &this->uitem, dev, &item, &b) == 1)
this->callbacks->event(this->callbacks_data, event);
}
static int
@ -492,7 +333,6 @@ static int impl_monitor_enum_items(struct spa_monitor *monitor,
int res;
struct impl *this;
struct udev_device *dev;
struct card *card;
spa_return_val_if_fail(monitor != NULL, -EINVAL);
spa_return_val_if_fail(item != NULL, -EINVAL);
@ -511,42 +351,31 @@ static int impl_monitor_enum_items(struct spa_monitor *monitor,
udev_enumerate_scan_devices(this->enumerate);
this->devices = udev_enumerate_get_list_entry(this->enumerate);
this->card_idx = -1;
this->index = 0;
}
while (*index > this->index && this->devices) {
next:
this->devices = udev_list_entry_get_next(this->devices);
this->index++;
}
again:
if (this->devices == NULL)
if (this->devices == NULL) {
fill_item(this, &this->uitem, NULL, item, builder);
return 0;
}
if (this->card_idx == -1) {
dev = udev_device_new_from_syspath(this->udev,
dev = udev_device_new_from_syspath(this->udev,
udev_list_entry_get_name(this->devices));
if ((card = find_card(this, dev)) == NULL) {
udev_device_unref(dev);
goto next;
}
if (open_card(this, card) < 0) {
next:
this->card_idx = -1;
this->devices = udev_list_entry_get_next(this->devices);
goto again;
}
this->card_idx = card->id;
}
else
card = &this->cards[this->card_idx];
if (get_next_device(this, card, item, builder) < 0) {
close_card(this, card);
if (dev == NULL)
goto next;
}
if (!need_notify(this, dev, SPA_MONITOR_EVENT_Added))
goto next;
if (fill_item(this, &this->uitem, dev, item, builder) != 1)
goto next;
this->devices = udev_list_entry_get_next(this->devices);
this->index++;
(*index)++;
@ -580,11 +409,9 @@ static int impl_get_interface(struct spa_handle *handle, uint32_t type, void **i
static int impl_clear(struct spa_handle *handle)
{
struct impl *this = (struct impl *) handle;
int i;
for (i = 0; i < MAX_CARDS; i++)
close_card(this, &this->cards[i]);
if (this->uitem.udevice)
udev_device_unref(this->uitem.udevice);
if (this->enumerate)
udev_enumerate_unref(this->enumerate);
if (this->umonitor)

2
spa/plugins/alsa/alsa-sink.c
View file

@ -780,7 +780,7 @@ impl_init(const struct spa_handle_factory *factory,
spa_list_init(&this->ready);
for (i = 0; info && i < info->n_items; i++) {
if (!strcmp(info->items[i].key, "alsa.card")) {
if (!strcmp(info->items[i].key, "alsa.device")) {
snprintf(this->props.device, 63, "%s", info->items[i].value);
}
}

2
spa/plugins/alsa/alsa-source.c
View file

@ -796,7 +796,7 @@ impl_init(const struct spa_handle_factory *factory,
spa_list_init(&this->ready);
for (i = 0; info && i < info->n_items; i++) {
if (!strcmp(info->items[i].key, "alsa.card")) {
if (!strcmp(info->items[i].key, "alsa.device")) {
snprintf(this->props.device, 63, "%s", info->items[i].value);
}
}

23
spa/plugins/v4l2/v4l2-device.c
View file

@ -31,6 +31,7 @@
#include <spa/support/log.h>
#include <spa/support/loop.h>
#include <spa/pod/builder.h>
#include <spa/monitor/device.h>
#include <spa/debug/pod.h>
@ -68,7 +69,7 @@ struct impl {
struct spa_v4l2_device dev;
};
static int impl_device_set_callbacks(struct spa_device *device,
static int impl_set_callbacks(struct spa_device *device,
const struct spa_device_callbacks *callbacks,
void *data)
{
@ -99,6 +100,22 @@ static int impl_device_set_callbacks(struct spa_device *device,
return 0;
}
static int impl_enum_params(struct spa_device *device,
uint32_t id, uint32_t *index,
const struct spa_pod *filter,
struct spa_pod **param,
struct spa_pod_builder *builder)
{
return -ENOTSUP;
}
static int impl_set_param(struct spa_device *device,
uint32_t id, uint32_t flags,
const struct spa_pod *param)
{
return -ENOTSUP;
}
static const struct spa_dict_item info_items[] = {
{ "media.class", "Video/Device" },
};
@ -111,7 +128,9 @@ static const struct spa_dict info = {
static const struct spa_device impl_device = {
SPA_VERSION_DEVICE,
&info,
impl_device_set_callbacks,
impl_set_callbacks,
impl_enum_params,
impl_set_param,
};
static int impl_get_interface(struct spa_handle *handle, uint32_t type, void **interface)