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[mpd] Fix outputs enable/disable/toggle not working in v28.10 

Also simplify code by using new speaker index from player and remove some code
duplication.

Regression from PR #1779. Fixes #1814.
This commit is contained in:
ejurgensen 2024-09-25 19:31:16 +02:00
parent a983302b03
commit 17ef308489
1 changed files with 42 additions and 152 deletions
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194
src/mpd.c
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@ -208,29 +208,12 @@ struct mpd_command
int wants_num;
};
struct output
struct param_output
{
unsigned short shortid;
uint64_t id;
char *name;
unsigned selected;
struct evbuffer *evbuf;
uint32_t last_shortid;
};
struct output_get_param
{
unsigned short curid;
unsigned short shortid;
struct output *output;
};
struct output_outputs_param
{
unsigned short nextid;
struct evbuffer *buf;
};
/* ---------------------------------- Globals ------------------------------- */
static pthread_t tid_mpd;
@ -240,6 +223,7 @@ static struct evhttp *evhttpd;
static struct evconnlistener *mpd_listener;
static int mpd_sockfd;
static bool mpd_plugin_httpd;
static int mpd_plugin_httpd_shortid = -1;
// Virtual path to the default playlist directory
static char *default_pl_dir;
@ -382,16 +366,6 @@ client_ctx_add(void)
return client_ctx;
}
static void
free_output(struct output *output)
{
if (!output)
return;
free(output->name);
free(output);
}
/*
* Creates a new string for the given path that starts with a '/'.
* If 'path' already starts with a '/' the returned string is a duplicate
@ -3100,107 +3074,30 @@ mpd_command_binarylimit(struct mpd_command_output *out, struct mpd_command_input
}
/*
* Callback function for the 'player_speaker_enumerate' function.
* Expect a struct output_get_param as argument and allocates a struct output if
* the shortid of output_get_param matches the given speaker/output spk.
*/
static void
output_get_cb(struct player_speaker_info *spk, void *arg)
{
struct output_get_param *param = arg;
if (!param->output
&& param->shortid == param->curid)
{
CHECK_NULL(L_MPD, param->output = calloc(1, sizeof(struct output)));
param->output->id = spk->id;
param->output->shortid = param->shortid;
param->output->name = strdup(spk->name);
param->output->selected = spk->selected;
param->curid++;
DPRINTF(E_DBG, L_MPD, "Output found: shortid %d, id %" PRIu64 ", name '%s', selected %d\n",
param->output->shortid, param->output->id, param->output->name, param->output->selected);
}
}
/*
* Command handler function for 'disableoutput'
* Expects argument argv[1] to be the id of the speaker to disable.
* Command handler function for 'disableoutput', 'enableoutput', 'toggleoutput'
* Expects argument argv[1] to be the id of the output.
*/
static int
mpd_command_disableoutput(struct mpd_command_output *out, struct mpd_command_input *in, struct mpd_client_ctx *ctx)
mpd_command_xoutput(struct mpd_command_output *out, struct mpd_command_input *in, struct mpd_client_ctx *ctx)
{
uint32_t num = in->argv_u32val[1];
struct output_get_param param = { .shortid = num };
const char *action = in->argv[0];
uint32_t shortid = in->argv_u32val[1];
struct player_speaker_info spk;
int ret;
player_speaker_enumerate(output_get_cb, &param);
if (shortid == mpd_plugin_httpd_shortid)
RETURN_ERROR(ACK_ERROR_ARG, "Output cannot be toggled");
if (param.output && param.output->selected)
{
ret = player_speaker_disable(param.output->id);
free_output(param.output);
ret = player_speaker_get_byindex(&spk, shortid);
if (ret < 0)
RETURN_ERROR(ACK_ERROR_ARG, "Unknown output");
if (ret < 0)
RETURN_ERROR(ACK_ERROR_UNKNOWN, "Speakers deactivation failed: %d", num);
}
if ((spk.selected && strcasecmp(action, "enable") == 0) || (!spk.selected && strcasecmp(action, "disable") == 0))
return 0; // Nothing to do
return 0;
}
/*
* Command handler function for 'enableoutput'
* Expects argument argv[1] to be the id of the speaker to enable.
*/
static int
mpd_command_enableoutput(struct mpd_command_output *out, struct mpd_command_input *in, struct mpd_client_ctx *ctx)
{
uint32_t num = in->argv_u32val[1];
struct output_get_param param = { .shortid = num };
int ret;
player_speaker_enumerate(output_get_cb, &param);
if (param.output && !param.output->selected)
{
ret = player_speaker_enable(param.output->id);
free_output(param.output);
if (ret < 0)
RETURN_ERROR(ACK_ERROR_UNKNOWN, "Speakers deactivation failed: %d", num);
}
return 0;
}
/*
* Command handler function for 'toggleoutput'
* Expects argument argv[1] to be the id of the speaker to enable/disable.
*/
static int
mpd_command_toggleoutput(struct mpd_command_output *out, struct mpd_command_input *in, struct mpd_client_ctx *ctx)
{
uint32_t num = in->argv_u32val[1];
struct output_get_param param = { .shortid = num };
int ret;
player_speaker_enumerate(output_get_cb, &param);
if (param.output)
{
if (param.output->selected)
ret = player_speaker_disable(param.output->id);
else
ret = player_speaker_enable(param.output->id);
free_output(param.output);
if (ret < 0)
RETURN_ERROR(ACK_ERROR_UNKNOWN, "Toggle speaker failed: %d", num);
}
ret = spk.selected ? player_speaker_disable(spk.id) : player_speaker_enable(spk.id);
if (ret < 0)
RETURN_ERROR(ACK_ERROR_UNKNOWN, "Output error, see log");
return 0;
}
@ -3219,8 +3116,7 @@ mpd_command_toggleoutput(struct mpd_command_output *out, struct mpd_command_inpu
static void
speaker_enum_cb(struct player_speaker_info *spk, void *arg)
{
struct output_outputs_param *param = arg;
struct evbuffer *evbuf = param->buf;
struct param_output *param = arg;
char plugin[sizeof(spk->output_type)];
char *p;
char *q;
@ -3235,16 +3131,17 @@ speaker_enum_cb(struct player_speaker_info *spk, void *arg)
}
*q = '\0';
evbuffer_add_printf(evbuf,
evbuffer_add_printf(param->evbuf,
"outputid: %u\n"
"outputname: %s\n"
"plugin: %s\n"
"outputenabled: %d\n",
param->nextid,
spk->index,
spk->name,
plugin,
spk->selected);
param->nextid++;
param->last_shortid = spk->index;
}
/*
@ -3254,28 +3151,25 @@ speaker_enum_cb(struct player_speaker_info *spk, void *arg)
static int
mpd_command_outputs(struct mpd_command_output *out, struct mpd_command_input *in, struct mpd_client_ctx *ctx)
{
struct output_outputs_param param = { 0 };
struct param_output param = { .evbuf = out->evbuf, .last_shortid = -1 };
/* Reference:
* https://mpd.readthedocs.io/en/latest/protocol.html#audio-output-devices
* the ID returned by mpd may change between excutions, so what we do
* is simply enumerate the speakers, and for get/set commands we count
* ID times to the output referenced. */
param.buf = out->evbuf;
* the ID returned by mpd may change between excutions (!!), so what we do
* is simply enumerate the speakers with the speaker index */
player_speaker_enumerate(speaker_enum_cb, &param);
/* streaming output is not in the speaker list, so add it as pseudo
* element when configured to do so */
if (mpd_plugin_httpd)
{
evbuffer_add_printf(out->evbuf,
"outputid: %u\n"
"outputname: MP3 stream\n"
"plugin: httpd\n"
"outputenabled: 1\n",
param.nextid);
param.nextid++;
mpd_plugin_httpd_shortid = param.last_shortid + 1;
evbuffer_add_printf(param.evbuf,
"outputid: %u\n"
"outputname: MP3 stream\n"
"plugin: httpd\n"
"outputenabled: 1\n",
mpd_plugin_httpd_shortid);
}
return 0;
@ -3284,18 +3178,14 @@ mpd_command_outputs(struct mpd_command_output *out, struct mpd_command_input *in
static int
outputvolume_set(uint32_t shortid, int volume)
{
struct output_get_param param = { .shortid = shortid };
struct player_speaker_info spk;
int ret;
player_speaker_enumerate(output_get_cb, &param);
if (!param.output)
ret = player_speaker_get_byindex(&spk, shortid);
if (ret < 0)
return -1;
ret = player_volume_setabs_speaker(param.output->id, volume);
free_output(param.output);
return ret;
return player_volume_setabs_speaker(spk.id, volume);
}
static int
@ -3687,9 +3577,9 @@ static struct mpd_command mpd_handlers[] =
{ "binarylimit", mpd_command_binarylimit, 2, MPD_WANTS_NUM_ARG1_UVAL },
// Audio output devices
{ "disableoutput", mpd_command_disableoutput, 2, MPD_WANTS_NUM_ARG1_UVAL },
{ "enableoutput", mpd_command_enableoutput, 2, MPD_WANTS_NUM_ARG1_UVAL },
{ "toggleoutput", mpd_command_toggleoutput, 2, MPD_WANTS_NUM_ARG1_UVAL },
{ "disableoutput", mpd_command_xoutput, 2, MPD_WANTS_NUM_ARG1_UVAL },
{ "enableoutput", mpd_command_xoutput, 2, MPD_WANTS_NUM_ARG1_UVAL },
{ "toggleoutput", mpd_command_xoutput, 2, MPD_WANTS_NUM_ARG1_UVAL },
{ "outputs", mpd_command_outputs, -1 },
// Custom command outputvolume (not supported by mpd)