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pulse-server: split out message handling

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Part of !776.
This commit is contained in:
Barnabás Pőcze 2021-06-18 22:56:49 +02:00
parent 5318c0eeca
commit b2ec1fb60a
6 changed files with 148 additions and 84 deletions
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105
src/modules/module-protocol-pulse/message.c
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@ -22,9 +22,21 @@
* DEALINGS IN THE SOFTWARE.
*/
#include <spa/utils/string.h>
#include <arpa/inet.h>
#include <math.h>
#include <spa/debug/buffer.h>
#include <spa/utils/defs.h>
#include <spa/utils/string.h>
#include <pipewire/keys.h>
#include <pipewire/log.h>
#include "defs.h"
#include "format.h"
#include "internal.h"
#include "media-roles.h"
#include "message.h"
#include "volume.h"
#define VOLUME_MUTED ((uint32_t) 0U)
#define VOLUME_NORM ((uint32_t) 0x10000U)
@ -49,7 +61,7 @@ static inline float volume_to_linear(uint32_t vol)
return v * v * v;
}
const struct str_map key_table[] = {
static const struct str_map key_table[] = {
{ PW_KEY_DEVICE_BUS_PATH, "device.bus_path" },
{ PW_KEY_DEVICE_FORM_FACTOR, "device.form_factor" },
{ PW_KEY_DEVICE_ICON_NAME, "device.icon_name" },
@ -63,41 +75,6 @@ const struct str_map key_table[] = {
{ NULL, NULL },
};
enum {
TAG_INVALID = 0,
TAG_STRING = 't',
TAG_STRING_NULL = 'N',
TAG_U32 = 'L',
TAG_U8 = 'B',
TAG_U64 = 'R',
TAG_S64 = 'r',
TAG_SAMPLE_SPEC = 'a',
TAG_ARBITRARY = 'x',
TAG_BOOLEAN_TRUE = '1',
TAG_BOOLEAN_FALSE = '0',
TAG_BOOLEAN = TAG_BOOLEAN_TRUE,
TAG_TIMEVAL = 'T',
TAG_USEC = 'U' /* 64bit unsigned */,
TAG_CHANNEL_MAP = 'm',
TAG_CVOLUME = 'v',
TAG_PROPLIST = 'P',
TAG_VOLUME = 'V',
TAG_FORMAT_INFO = 'f',
};
struct message {
struct spa_list link;
struct stats *stat;
uint32_t extra[4];
uint32_t channel;
uint32_t allocated;
uint32_t length;
uint32_t offset;
uint8_t *data;
};
static int message_get(struct message *m, ...);
static int read_u8(struct message *m, uint8_t *val)
{
if (m->offset + 1 > m->length)
@ -292,7 +269,7 @@ static int read_format_info(struct message *m, struct format_info *info)
return res;
}
static int message_get(struct message *m, ...)
int message_get(struct message *m, ...)
{
va_list va;
int res = 0;
@ -614,7 +591,7 @@ static void write_format_info(struct message *m, struct format_info *info)
write_dict(m, info->props ? &info->props->dict : NULL, false);
}
static int message_put(struct message *m, ...)
int message_put(struct message *m, ...)
{
va_list va;
@ -684,7 +661,7 @@ static int message_put(struct message *m, ...)
return 0;
}
static int message_dump(enum spa_log_level level, struct message *m)
int message_dump(enum spa_log_level level, struct message *m)
{
int res;
uint32_t i, offset = m->offset, o;
@ -844,3 +821,51 @@ static int message_dump(enum spa_log_level level, struct message *m)
return 0;
}
struct message *message_alloc(struct impl *impl, uint32_t channel, uint32_t size)
{
struct message *msg;
if (!spa_list_is_empty(&impl->free_messages)) {
msg = spa_list_first(&impl->free_messages, struct message, link);
spa_list_remove(&msg->link);
pw_log_trace("using recycled message %p", msg);
} else {
if ((msg = calloc(1, sizeof(*msg))) == NULL)
return NULL;
pw_log_trace("new message %p", msg);
msg->stat = &impl->stat;
msg->stat->n_allocated++;
msg->stat->n_accumulated++;
}
if (ensure_size(msg, size) < 0) {
message_free(impl, msg, false, true);
return NULL;
}
spa_zero(msg->extra);
msg->channel = channel;
msg->offset = 0;
msg->length = size;
return msg;
}
void message_free(struct impl *impl, struct message *msg, bool dequeue, bool destroy)
{
if (dequeue)
spa_list_remove(&msg->link);
if (destroy) {
pw_log_trace("destroy message %p", msg);
msg->stat->n_allocated--;
msg->stat->allocated -= msg->allocated;
free(msg->data);
free(msg);
} else {
pw_log_trace("recycle message %p", msg);
spa_list_append(&impl->free_messages, &msg->link);
}
}