Merge pull request #112 from chme/mpdoutputs
[mpd] add support for speaker (de)activation
This commit is contained in:
commit
7426fbd83e
382
src/mpd.c
382
src/mpd.c
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@ -82,6 +82,41 @@ enum command_list_type
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COMMAND_LIST_NONE = 3
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};
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struct output
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{
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unsigned short shortid;
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uint64_t id;
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char *name;
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unsigned selected;
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struct output *next;
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};
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struct outputs
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{
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unsigned int count;
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unsigned int active;
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struct output *outputs;
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};
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static void
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free_outputs(struct output *outputs)
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{
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struct output *temp;
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struct output *next;
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temp = outputs;
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next = outputs ? outputs->next : NULL;
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while (temp)
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{
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free(temp->name);
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free(temp);
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temp = next;
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next = next ? next->next : NULL;
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}
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}
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static void
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thread_exit(void)
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{
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@ -2184,38 +2219,361 @@ mpd_command_rescan(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
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*/
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/*
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* Callback function for the 'player_speaker_enumerate' function.
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* Adds a new struct output to the given struct outputs in *arg for the given speaker (id, name, etc.).
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*/
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static void
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outputs_enum_cb(uint64_t id, const char *name, int relvol, struct spk_flags flags, void *arg)
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{
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struct outputs *outputs;
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struct output *output;
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outputs = (struct outputs *)arg;
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DPRINTF(E_DBG, L_MPD, "outputid: %" PRIu64 ", outputname: %s, outputenabled: %d\n",
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id, name, flags.selected);
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output = (struct output*)malloc(sizeof(struct output));
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output->id = id;
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output->shortid = (unsigned short) id;
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output->name = strdup(name);
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output->selected = flags.selected;
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output->next = outputs->outputs;
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outputs->outputs = output;
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outputs->count++;
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if (flags.selected)
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outputs->active++;
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}
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/*
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* Command handler function for 'disableoutput'
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* Expects argument argv[1] to be the id of the speaker to disable.
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*/
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static int
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mpd_command_disableoutput(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
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{
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struct outputs outputs;
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struct output *output;
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uint32_t num;
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uint64_t *ids;
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int nspk;
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int i;
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int ret;
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if (argc < 2)
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{
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DPRINTF(E_LOG, L_MPD, "Missing argument for command 'disableoutput'\n");
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ret = asprintf(errmsg, "Missing argument for command 'disableoutput'");
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_ARG;
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}
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ret = safe_atou32(argv[1], &num);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_MPD, "Argument doesn't convert to integer: '%s'\n", argv[1]);
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ret = asprintf(errmsg, "Argument doesn't convert to integer: '%s'", argv[1]);
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_ARG;
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}
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outputs.count = 0;
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outputs.active = 0;
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outputs.outputs = NULL;
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player_speaker_enumerate(outputs_enum_cb, &outputs);
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nspk = outputs.active;
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output = outputs.outputs;
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while (output)
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{
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if (output->shortid == num && output->selected)
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{
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nspk--;
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break;
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}
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output = output->next;
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}
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if (nspk == outputs.active)
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{
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DPRINTF(E_LOG, L_MPD, "No speaker to deactivate\n");
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free_outputs(outputs.outputs);
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return 0;
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}
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ids = (uint64_t *)malloc((nspk + 1) * sizeof(uint64_t));
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ids[0] = nspk;
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i = 1;
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output = outputs.outputs;
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while (output)
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{
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if (output->shortid != num && output->selected)
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{
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ids[i] = output->id;
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i++;
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}
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output = output->next;
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}
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ret = player_speaker_set(ids);
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free(ids);
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free_outputs(outputs.outputs);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_MPD, "Speaker deactivation failed: %d\n", num);
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ret = asprintf(errmsg, "Speakers deactivation failed: %d", num);
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_UNKNOWN;
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}
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return 0;
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}
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/*
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* Command handler function for 'enableoutput'
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* Expects argument argv[1] to be the id of the speaker to enable.
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*/
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static int
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mpd_command_enableoutput(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
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{
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struct outputs outputs;
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struct output *output;
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uint32_t num;
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uint64_t *ids;
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int nspk;
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int i;
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int ret;
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if (argc < 2)
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{
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DPRINTF(E_LOG, L_MPD, "Missing argument for command 'disableoutput'\n");
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ret = asprintf(errmsg, "Missing argument for command 'disableoutput'");
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_ARG;
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}
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ret = safe_atou32(argv[1], &num);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_MPD, "Argument doesn't convert to integer: '%s'\n", argv[1]);
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ret = asprintf(errmsg, "Argument doesn't convert to integer: '%s'", argv[1]);
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_ARG;
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}
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outputs.count = 0;
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outputs.active = 0;
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outputs.outputs = NULL;
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player_speaker_enumerate(outputs_enum_cb, &outputs);
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nspk = outputs.active;
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output = outputs.outputs;
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while (output)
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{
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if (output->shortid == num && !output->selected)
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{
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nspk++;
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break;
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}
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output = output->next;
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}
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if (nspk == outputs.active)
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{
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DPRINTF(E_LOG, L_MPD, "No speaker to activate\n");
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free_outputs(outputs.outputs);
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return 0;
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}
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ids = (uint64_t *)malloc((nspk + 1) * sizeof(uint64_t));
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ids[0] = nspk;
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i = 1;
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output = outputs.outputs;
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while (output)
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{
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if (output->shortid == num || output->selected)
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{
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ids[i] = output->id;
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i++;
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}
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output = output->next;
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}
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ret = player_speaker_set(ids);
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if (ids)
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free(ids);
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free_outputs(outputs.outputs);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_MPD, "Speaker activation failed: %d\n", num);
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ret = asprintf(errmsg, "Speakers activation failed: %d", num);
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_UNKNOWN;
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}
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return 0;
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}
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/*
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* Command handler function for 'toggleoutput'
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* Expects argument argv[1] to be the id of the speaker to enable/disable.
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*/
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static int
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mpd_command_toggleoutput(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
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{
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struct outputs outputs;
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struct output *output;
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uint32_t num;
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uint64_t *ids;
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int nspk;
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int i;
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int ret;
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if (argc < 2)
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{
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DPRINTF(E_LOG, L_MPD, "Missing argument for command 'disableoutput'\n");
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ret = asprintf(errmsg, "Missing argument for command 'disableoutput'");
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_ARG;
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}
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ret = safe_atou32(argv[1], &num);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_MPD, "Argument doesn't convert to integer: '%s'\n", argv[1]);
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ret = asprintf(errmsg, "Argument doesn't convert to integer: '%s'", argv[1]);
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_ARG;
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}
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outputs.count = 0;
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outputs.active = 0;
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outputs.outputs = NULL;
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player_speaker_enumerate(outputs_enum_cb, &outputs);
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nspk = outputs.active;
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output = outputs.outputs;
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while (output)
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{
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if (output->shortid == num && !output->selected)
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{
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nspk++;
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break;
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}
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else if (output->shortid == num && output->selected)
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{
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nspk--;
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break;
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}
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output = output->next;
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}
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if (nspk == outputs.active)
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{
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DPRINTF(E_LOG, L_MPD, "No speaker to de/activate\n");
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free_outputs(outputs.outputs);
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return 0;
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}
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ids = (uint64_t *)malloc((nspk + 1) * sizeof(uint64_t));
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ids[0] = nspk;
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i = 1;
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output = outputs.outputs;
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while (output)
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{
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if ((output->shortid == num && !output->selected)
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|| (output->shortid != num && output->selected))
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{
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ids[i] = output->id;
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i++;
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}
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output = output->next;
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}
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ret = player_speaker_set(ids);
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if (ids)
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free(ids);
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free_outputs(outputs.outputs);
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if (ret < 0)
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{
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DPRINTF(E_LOG, L_MPD, "Speaker de/activation failed: %d\n", num);
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ret = asprintf(errmsg, "Speakers de/activation failed: %d", num);
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if (ret < 0)
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DPRINTF(E_LOG, L_MPD, "Out of memory\n");
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return ACK_ERROR_UNKNOWN;
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}
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return 0;
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}
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/*
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* Callback function for the 'outputs' command.
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* Gets called for each available speaker and prints the speaker information to the evbuffer given in *arg.
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*
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* Example output:
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* outputid: 0
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* outputname: Computer
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* outputenabled: 1
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*/
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static void
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speaker_enum_cb(uint64_t id, const char *name, int relvol, struct spk_flags flags, void *arg)
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{
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/ *
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* outputid: 0
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* outputname: My ALSA Device
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* outputenabled: 0
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* OK
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* /
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struct evbuffer *evbuf;
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evbuf = (struct evbuffer *)arg;
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evbuffer_add_printf(evbuf,
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"outputid: %" PRIi64 "\n"
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"outputid: %d\n"
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"outputname: %s\n"
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"outputenabled: %d\n",
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id,
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(unsigned short) id,
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name,
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flags.selected);
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}
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/*
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* Command handler function for 'outputs'
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* Returns a lists with the avaiable speakers.
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*/
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static int
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mpd_command_outputs(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
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{
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int ret;
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player_speaker_enumerate(speaker_enum_cb, evbuf);
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return 0;
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}
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*/
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/*
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* Dummy function to handle commands that are not supported by forked-daapd and should
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* not raise an error.
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@ -2645,7 +3003,6 @@ static struct command mpd_handlers[] =
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/*
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* Audio output devices
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*/
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/*
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{
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.mpdcommand = "disableoutput",
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.handler = mpd_command_disableoutput
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@ -2662,7 +3019,6 @@ static struct command mpd_handlers[] =
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.mpdcommand = "outputs",
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.handler = mpd_command_outputs
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},
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*/
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/*
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* Reflection
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