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Integrate true metadata some more with the metadata hub
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mikebrady committed Jan 15, 2018
1 parent 766d8ee commit fa6cafd
Showing 3 changed files with 122 additions and 24 deletions.
10 changes: 4 additions & 6 deletions dacp.c
Original file line number Diff line number Diff line change
@@ -615,7 +615,6 @@ int32_t dacp_get_client_volume(void) {
int32_t item_size;
if (reply_size >= 8) {
if (dacp_tlv_crawl(&sp, &item_size) == 'cmgt') {
debug(1, "Volume:", item_size);
sp -= item_size; // drop down into the array -- don't skip over it
reply_size -= 8;
while (reply_size >= 8) {
@@ -632,7 +631,7 @@ int32_t dacp_get_client_volume(void) {
} else {
debug(1, "Too short a response from getproperty?properties=dmcp.volume");
}
debug(1, "Overall Volume is %d.", overall_volume);
// debug(1, "Overall Volume is %d.", overall_volume);
free(server_reply);
} else {
debug(1, "Unexpected response %d to dacp volume control request", response);
@@ -709,7 +708,7 @@ int dacp_get_speaker_list(dacp_spkr_stuff *speaker_info, int max_size_of_array)
t = sp - item_size;
r = ntohl(*(int32_t *)(t));
speaker_info[speaker_index].volume = r;
// debug(1,"Volume: \"%d\".",r);
// debug(1,"The individual volume of speaker \"%s\" is \"%d\".",speaker_info[speaker_index].name,r);
break;
case 'msma':
t = sp - item_size;
@@ -774,7 +773,7 @@ void dacp_get_volume(void) {
// calculate the real volume

int32_t overall_volume = dacp_get_client_volume();
debug(1, "DACP Volume: %d.", overall_volume);
// debug(1, "DACP Volume: %d.", overall_volume);
int speaker_count = dacp_get_speaker_list((dacp_spkr_stuff *)&speaker_info, 50);
// debug(1,"DACP Speaker Count: %d.",speaker_count);

@@ -795,8 +794,7 @@ void dacp_get_volume(void) {
}
}
int32_t actual_volume = (overall_volume * relative_volume + 50) / 100;
// debug(1,"Overall volume: %d, relative volume: %d%, actual volume:
// %d.",overall_volume,relative_volume,actual_volume);
// debug(1,"Overall volume: %d, relative volume: %d%, actual volume: %d.",overall_volume,relative_volume,actual_volume);
// debug(1,"Our actual speaker volume is %d.",actual_volume);
if (metadata_store.speaker_volume != actual_volume) {
metadata_store.speaker_volume = actual_volume;
121 changes: 103 additions & 18 deletions metadata_hub.c
Original file line number Diff line number Diff line change
@@ -65,53 +65,138 @@ void metadata_hub_process_metadata(uint32_t type, uint32_t code, char *data, uin
// metadata coming in from the audio source or from Shairport Sync itself passes through here
// this has more information about tags, which might be relevant:
// https://code.google.com/p/ytrack/wiki/DMAP
char *payload;
if (length < 2048)
payload = strndup(data, length);
else
payload = NULL;
switch (code) {
case 'asal':
debug(1, "MH Album Name: \"%s\".", payload);
if ((metadata_store.album_name == NULL) ||
(strncmp(metadata_store.album_name, data, length) != 0)) {
if (metadata_store.album_name)
free(metadata_store.album_name);
metadata_store.album_name = strndup(data, length);
// debug(1, "MH Album name set to: \"%s\"", metadata_store.album_name);
metadata_store.album_name_changed = 1;
metadata_store.changed = 1;
}
break;
case 'asar':
debug(1, "MH Artist: \"%s\".", payload);
if ((metadata_store.artist_name == NULL) ||
(strncmp(metadata_store.artist_name, data, length) != 0)) {
if (metadata_store.artist_name)
free(metadata_store.artist_name);
metadata_store.artist_name = strndup(data, length);
// debug(1, "MH Artist name set to: \"%s\"", metadata_store.artist_name);
metadata_store.artist_name_changed = 1;
metadata_store.changed = 1;
}
break;
case 'ascm':
debug(1, "MH Comment: \"%s\".", payload);
if ((metadata_store.comment == NULL) ||
(strncmp(metadata_store.comment, data, length) != 0)) {
if (metadata_store.comment)
free(metadata_store.comment);
metadata_store.comment = strndup(data, length);
// debug(1, "MH Comment set to: \"%s\"", metadata_store.comment);
metadata_store.comment_changed = 1;
metadata_store.changed = 1;
}
break;
case 'asgn':
debug(1, "MH Genre: \"%s\".", payload);
if ((metadata_store.genre == NULL) ||
(strncmp(metadata_store.genre, data, length) != 0)) {
if (metadata_store.genre)
free(metadata_store.genre);
metadata_store.genre = strndup(data, length);
// debug(1, "MH Genre set to: \"%s\"", metadata_store.genre);
metadata_store.genre_changed = 1;
metadata_store.changed = 1;
}
break;
case 'minm':
debug(1, "MH Title: \"%s\".", payload);
if ((metadata_store.track_name == NULL) ||
(strncmp(metadata_store.track_name, data, length) != 0)) {
if (metadata_store.track_name)
free(metadata_store.track_name);
metadata_store.track_name = strndup(data, length);
// debug(1, "MH Track name set to: \"%s\"", metadata_store.track_name);
metadata_store.track_name_changed = 1;
metadata_store.changed = 1;
}
break;
case 'ascp':
debug(1, "MH Composer: \"%s\".", payload);
if ((metadata_store.composer == NULL) ||
(strncmp(metadata_store.composer, data, length) != 0)) {
if (metadata_store.composer)
free(metadata_store.composer);
metadata_store.composer = strndup(data, length);
// debug(1, "MH Composer set to: \"%s\"", metadata_store.composer);
metadata_store.composer_changed = 1;
metadata_store.changed = 1;
}
break;
case 'asdt':
debug(1, "MH File kind: \"%s\".", payload);
if ((metadata_store.file_kind == NULL) ||
(strncmp(metadata_store.file_kind, data, length) != 0)) {
if (metadata_store.file_kind)
free(metadata_store.file_kind);
metadata_store.file_kind = strndup(data, length);
// debug(1, "MH File Kind set to: \"%s\"", metadata_store.file_kind);
metadata_store.file_kind_changed = 1;
metadata_store.changed = 1;
}
break;
case 'asaa':
if ((metadata_store.file_kind == NULL) ||
(strncmp(metadata_store.file_kind, data, length) != 0)) {
if (metadata_store.file_kind)
free(metadata_store.file_kind);
metadata_store.file_kind = strndup(data, length);
// debug(1, "MH File Kind set to: \"%s\"", metadata_store.file_kind);
metadata_store.file_kind_changed = 1;
metadata_store.changed = 1;
}
break;
case 'assn':
debug(1, "MH Sort as: \"%s\".", payload);
if ((metadata_store.sort_as == NULL) ||
(strncmp(metadata_store.sort_as, data, length) != 0)) {
if (metadata_store.sort_as)
free(metadata_store.sort_as);
metadata_store.sort_as = strndup(data, length);
// debug(1, "MH Sort As set to: \"%s\"", metadata_store.sort_as);
metadata_store.sort_as_changed = 1;
metadata_store.changed = 1;
}
break;
case 'PICT':
debug(1, "MH Picture received, length %u bytes.", length);
break;
case 'clip':
debug(1, "MH Client's IP: \"%s\".", payload);
if ((metadata_store.client_ip == NULL) ||
(strncmp(metadata_store.client_ip, data, length) != 0)) {
if (metadata_store.client_ip)
free(metadata_store.client_ip);
metadata_store.client_ip = strndup(data, length);
// debug(1, "MH Client IP set to: \"%s\"", metadata_store.client_ip);
metadata_store.client_ip_changed = 1;
metadata_store.changed = 1;
}
break;

default:
if (type == 'ssnc') {
if (type == 'ssnc')
{
char typestring[5];
*(uint32_t *)typestring = htonl(type);
typestring[4] = 0;
char codestring[5];
*(uint32_t *)codestring = htonl(code);
codestring[4] = 0;
debug(1, "MH \"%s\" \"%s\": \"%s\".", typestring, codestring, payload);
char *payload;
if (length < 2048)
payload = strndup(data, length);
else
payload = NULL;
debug(1, "MH \"%s\" \"%s\" (%d bytes): \"%s\".", typestring, codestring, length, payload);
if (payload)
free(payload);
}
}
if (payload)
free(payload);
}
15 changes: 15 additions & 0 deletions metadata_hub.h
Original file line number Diff line number Diff line change
@@ -51,6 +51,21 @@ typedef struct metadata_bundle {
char *genre; // a malloced string -- if non-zero, free it before replacing it
int genre_changed;

char *comment; // a malloced string -- if non-zero, free it before replacing it
int comment_changed;

char *composer; // a malloced string -- if non-zero, free it before replacing it
int composer_changed;

char *file_kind; // a malloced string -- if non-zero, free it before replacing it
int file_kind_changed;

char *sort_as; // a malloced string -- if non-zero, free it before replacing it
int sort_as_changed;

char *client_ip; // a malloced string -- if non-zero, free it before replacing it
int client_ip_changed;

uint32_t item_id; // seems to be a track ID -- see itemid in DACP.c
int item_id_changed;

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