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mechanism for updating metadata while decoding

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vorbis comments are updated on the fly for streams
need to decode icy metadata
buffering of metadata needs to be hardened, to ensure that player has already read a particular metachunk or passed over it

git-svn-id: https://svn.musicpd.org/mpd/trunk@1358 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Warren Dukes
2004-06-06 19:41:03 +00:00
parent 4e53282469
commit b29f73c819
13 changed files with 143 additions and 134 deletions
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src/playerData.c
+4 -11
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@@ -73,6 +73,7 @@ void initPlayerData() {
allocationSize+= buffered_chunks*sizeof(float); /*for times*/
allocationSize+= buffered_chunks*sizeof(mpd_sint16); /*for chunkSize*/
allocationSize+= buffered_chunks*sizeof(mpd_sint16); /*for bitRate*/
allocationSize+= buffered_chunks*sizeof(mpd_sint8); /*for metaChunk*/
allocationSize+= sizeof(PlayerData); /*for playerData struct*/
if((shmid = shmget(IPC_PRIVATE,allocationSize,IPC_CREAT|0600))<0) {
@@ -95,8 +96,10 @@ void initPlayerData() {
buffered_chunks*CHUNK_SIZE);
buffer->bitRate = (mpd_uint16 *)(((char *)buffer->chunkSize)+
buffered_chunks*sizeof(mpd_sint16));
buffer->times = (float *)(((char *)buffer->bitRate)+
buffer->metaChunk = (mpd_sint8 *)(((char *)buffer->bitRate)+
buffered_chunks*sizeof(mpd_sint16));
buffer->times = (float *)(((char *)buffer->metaChunk)+
buffered_chunks*sizeof(mpd_sint8));
playerData_pd->playerControl.stop = 0;
playerData_pd->playerControl.pause = 0;
@@ -111,16 +114,10 @@ void initPlayerData() {
memset(playerData_pd->playerControl.utf8url, 0, MAXPATHLEN+1);
memset(playerData_pd->playerControl.erroredUrl, 0, MAXPATHLEN+1);
memset(playerData_pd->playerControl.currentUrl, 0, MAXPATHLEN+1);
memset(playerData_pd->playerControl.metadata, 0,
DECODE_METADATA_LENGTH);
playerData_pd->playerControl.crossFade = crossfade;
playerData_pd->playerControl.softwareVolume = 1000;
playerData_pd->playerControl.totalPlayTime = 0;
playerData_pd->playerControl.decode_pid = 0;
playerData_pd->playerControl.name = -1;
playerData_pd->playerControl.title = -1;
playerData_pd->playerControl.artist = -1;
playerData_pd->playerControl.album = -1;
playerData_pd->playerControl.metadataState =
PLAYER_METADATA_STATE_WRITE;
@@ -130,9 +127,6 @@ void initPlayerData() {
playerData_pd->decoderControl.seek = 0;
playerData_pd->decoderControl.error = DECODE_ERROR_NOERROR;
memset(playerData_pd->decoderControl.utf8url, 0, MAXPATHLEN+1);
memset(playerData_pd->buffer.metadata, 0, DECODE_METADATA_LENGTH);
playerData_pd->buffer.metadataSet = 0;
}
PlayerData * getPlayerData() {
@@ -142,4 +136,3 @@ PlayerData * getPlayerData() {
void freePlayerData() {
shmdt(playerData_pd);
}
/* vim:set shiftwidth=4 tabstop=8 expandtab: */