message-params: use JSON instead of custom format

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/525>
This commit is contained in:
Igor V. Kovalenko 2021-03-14 09:49:05 +03:00 committed by PulseAudio Marge Bot
parent 0ba768b2e9
commit 1dd05f4a9b
6 changed files with 93 additions and 69 deletions

View file

@ -27,6 +27,7 @@
#include <arpa/inet.h>
#include <pulse/json.h>
#include <pulse/rtclock.h>
#include <pulse/timeval.h>
#include <pulse/utf8.h>
@ -2458,7 +2459,7 @@ static char *list_codecs(struct userdata *u) {
const pa_a2dp_codec_capabilities *a2dp_capabilities;
const pa_a2dp_codec_id *key;
pa_hashmap *a2dp_endpoints;
pa_message_params *param;
pa_json_encoder *encoder;
unsigned int i;
bool is_a2dp_sink;
void *state;
@ -2467,9 +2468,9 @@ static char *list_codecs(struct userdata *u) {
a2dp_endpoints = is_a2dp_sink ? u->device->a2dp_sink_endpoints : u->device->a2dp_source_endpoints;
param = pa_message_params_new();
encoder = pa_json_encoder_new();
pa_message_params_begin_list(param);
pa_json_encoder_begin_element_array(encoder);
PA_HASHMAP_FOREACH_KV(key, a2dp_capabilities, a2dp_endpoints, state) {
for (i = 0; i < pa_bluetooth_a2dp_codec_count(); i++) {
@ -2479,23 +2480,23 @@ static char *list_codecs(struct userdata *u) {
if (memcmp(key, &a2dp_codec->id, sizeof(pa_a2dp_codec_id)) == 0) {
if (a2dp_codec->can_be_supported(is_a2dp_sink)) {
pa_message_params_begin_list(param);
pa_json_encoder_begin_element_object(encoder);
pa_message_params_write_string(param, a2dp_codec->name);
pa_message_params_write_string(param, a2dp_codec->description);
pa_json_encoder_add_member_string(encoder, "name", a2dp_codec->name);
pa_json_encoder_add_member_string(encoder, "description", a2dp_codec->description);
pa_message_params_end_list(param);
pa_json_encoder_end_object(encoder);
}
}
}
}
pa_message_params_end_list(param);
pa_json_encoder_end_array(encoder);
return pa_message_params_to_string_free(param);
return pa_json_encoder_to_string_free(encoder);
}
static int bluez5_device_message_handler(const char *object_path, const char *message, char *message_parameters, char **response, void *userdata) {
static int bluez5_device_message_handler(const char *object_path, const char *message, const pa_json_object *parameters, char **response, void *userdata) {
char *message_handler_path;
pa_hashmap *capabilities_hashmap;
pa_bluetooth_profile_t profile;
@ -2503,8 +2504,6 @@ static int bluez5_device_message_handler(const char *object_path, const char *me
const char *codec_name;
struct userdata *u;
bool is_a2dp_sink;
void *state = NULL;
int err;
pa_assert(u = (struct userdata *)userdata);
pa_assert(message);
@ -2539,9 +2538,17 @@ static int bluez5_device_message_handler(const char *object_path, const char *me
}
if (pa_streq(message, "switch-codec")) {
err = pa_message_params_read_string(message_parameters, &codec_name, &state);
if (err < 0)
return err;
if (!parameters) {
pa_log_info("Codec switching operation requires codec name string parameter");
return -PA_ERR_INVALID;
}
if (pa_json_object_get_type(parameters) != PA_JSON_TYPE_STRING) {
pa_log_info("Codec name object parameter must be a string");
return -PA_ERR_INVALID;
}
codec_name = pa_json_object_get_string(parameters);
if (u->a2dp_codec && pa_streq(codec_name, u->a2dp_codec->name)) {
pa_log_info("Requested codec is currently selected codec");
@ -2599,15 +2606,13 @@ static int bluez5_device_message_handler(const char *object_path, const char *me
*response = list_codecs(u);
return PA_OK;
} else if (pa_streq(message, "get-codec")) {
pa_message_params *param;
param = pa_message_params_new();
pa_json_encoder *encoder;
encoder = pa_json_encoder_new();
if (u->a2dp_codec)
pa_message_params_write_string(param, u->a2dp_codec->name);
else
pa_message_params_write_string(param, "none");
pa_json_encoder_add_element_string(encoder, u->a2dp_codec->name);
*response = pa_message_params_to_string_free(param);
*response = pa_json_encoder_to_string_free(encoder);
return PA_OK;
}