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Code Issues Releases Wiki Activity

add support for output enable/disable

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This commit is contained in:
Kurt Van Dijck
2015-04-28 11:08:21 +02:00
parent caddebcec0
commit d344ec05a9
4 changed files with 123 additions and 0 deletions
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90
src/mpd_client.c
View File

@@ -27,6 +27,9 @@
#include "config.h"
#include "json_encode.h"
/* forward declaration */
static int mpd_notify_callback(struct mg_connection *c, enum mg_event ev);
const char * mpd_cmd_strs[] = {
MPD_CMDS(GEN_STR)
};
@@ -106,6 +109,19 @@ int callback_mpd(struct mg_connection *c)
if(sscanf(c->content, "MPD_API_TOGGLE_CROSSFADE,%u", &uint_buf))
mpd_run_crossfade(mpd.conn, uint_buf);
break;
case MPD_API_GET_OUTPUTS:
mpd.buf_size = mpd_put_outputnames(mpd.buf);
c->callback_param = NULL;
mpd_notify_callback(c, MG_POLL);
break;
case MPD_API_TOGGLE_OUTPUT:
if (sscanf(c->content, "MPD_API_TOGGLE_OUTPUT,%u,%u", &uint_buf, &uint_buf_2)) {
if (uint_buf_2)
mpd_run_enable_output(mpd.conn, uint_buf);
else
mpd_run_disable_output(mpd.conn, uint_buf);
}
break;
case MPD_API_SET_VOLUME:
if(sscanf(c->content, "MPD_API_SET_VOLUME,%ud", &uint_buf) && uint_buf <= 100)
mpd_run_set_volume(mpd.conn, uint_buf);
@@ -339,6 +355,13 @@ void mpd_poll(struct mg_server *s)
fprintf(stderr, "MPD connected.\n");
mpd_connection_set_timeout(mpd.conn, 10000);
mpd.conn_state = MPD_CONNECTED;
/* write outputs */
mpd.buf_size = mpd_put_outputnames(mpd.buf);
for (struct mg_connection *c = mg_next(s, NULL); c != NULL; c = mg_next(s, c))
{
c->callback_param = NULL;
mpd_notify_callback(c, MG_POLL);
}
break;
case MPD_FAILURE:
@@ -359,6 +382,12 @@ void mpd_poll(struct mg_server *s)
c->callback_param = NULL;
mpd_notify_callback(c, MG_POLL);
}
mpd.buf_size = mpd_put_outputs(mpd.buf);
for (struct mg_connection *c = mg_next(s, NULL); c != NULL; c = mg_next(s, c))
{
c->callback_param = NULL;
mpd_notify_callback(c, MG_POLL);
}
break;
}
}
@@ -412,6 +441,67 @@ int mpd_put_state(char *buffer, int *current_song_id, unsigned *queue_version)
return len;
}
int mpd_put_outputs(char *buffer)
{
struct mpd_output *out;
static int *outputs;
static int soutputs;
int idx, maxidx;
char *str, *strend;
maxidx = 0;
mpd_send_outputs(mpd.conn);
while ((out = mpd_recv_output(mpd.conn)) != NULL) {
idx = mpd_output_get_id(out);
if (idx >= soutputs) {
/* realloc some more */
soutputs = (idx + 15) & ~15; /* round up to 16 */
outputs = realloc(outputs, sizeof(*outputs)*soutputs);
if (!outputs)
exit(1);
}
if (idx > maxidx)
maxidx = idx;
outputs[idx] = mpd_output_get_enabled(out);
mpd_output_free(out);
}
mpd_response_finish(mpd.conn);
str = buffer;
strend = buffer+MAX_SIZE;
str += snprintf(str, strend-str, "{\"type\":\"outputs\", \"data\":{");
for (idx = 0; idx <= maxidx; ++idx)
str += snprintf(str, strend-str, "%c \"%d\":%d",
idx ? ',' : ' ', idx, outputs[idx]);
str += snprintf(str, strend-str, " }}");
return str-buffer;
}
int mpd_put_outputnames(char *buffer)
{
struct mpd_output *out;
int nout;
char *str, *strend;
str = buffer;
strend = buffer+MAX_SIZE;
str += snprintf(str, strend-str, "{\"type\":\"outputnames\", \"data\":{");
mpd_send_outputs(mpd.conn);
nout = 0;
while ((out = mpd_recv_output(mpd.conn)) != NULL) {
if (nout++)
*str++ = ',';
str += snprintf(str, strend - str, " \"%d\":\"%s\"",
mpd_output_get_id(out),
mpd_output_get_name(out));
mpd_output_free(out);
}
mpd_response_finish(mpd.conn);
str += snprintf(str, strend-str, " }}");
return str-buffer;
}
int mpd_put_current_song(char *buffer)
{
char *cur = buffer;

4
src/mpd_client.h
View File

@@ -57,6 +57,8 @@
X(MPD_API_SET_MPDHOST) \
X(MPD_API_SET_MPDPASS) \
X(MPD_API_UPDATE_DB) \
X(MPD_API_GET_OUTPUTS) \
X(MPD_API_TOGGLE_OUTPUT) \
X(MPD_API_TOGGLE_RANDOM) \
X(MPD_API_TOGGLE_CONSUME) \
X(MPD_API_TOGGLE_SINGLE) \
@@ -100,6 +102,8 @@ void mpd_poll(struct mg_server *s);
int callback_mpd(struct mg_connection *c);
int mpd_close_handler(struct mg_connection *c);
int mpd_put_state(char *buffer, int *current_song_id, unsigned *queue_version);
int mpd_put_outputs(char *buffer);
int mpd_put_outputnames(char *buffer);
int mpd_put_current_song(char *buffer);
int mpd_put_queue(char *buffer, unsigned int offset);
int mpd_put_browse(char *buffer, char *path, unsigned int offset);