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potential bugfixes for handling metadata in player/decoder

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git-svn-id: https://svn.musicpd.org/mpd/trunk@1369 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Warren Dukes
2004-06-07 12:11:57 +00:00
parent 0860334488
commit ae44b7dae5
4 changed files with 55 additions and 21 deletions
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57
src/decode.c
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@@ -399,26 +399,47 @@ int decoderInit(PlayerControl * pc, OutputBuffer * cb, DecoderControl * dc) {
kill(getppid(), SIGUSR1); \
}
void handleMetadata(OutputBuffer * cb, PlayerControl * pc) {
static int previous = -1;
void handleMetadata(OutputBuffer * cb, PlayerControl * pc, int * previous,
int * currentChunkSent, MetadataChunk * currentChunk)
{
if(cb->begin!=cb->end || cb->wrap) {
int meta = cb->metaChunk[cb->begin];
if( meta != previous ) {
if( meta >= 0 && pc->metadataState ==
PLAYER_METADATA_STATE_WRITE &&
cb->metaChunkSet[meta])
{
if( meta != *previous ) {
if( meta >= 0 && cb->metaChunkSet[meta]) {
printf("METADATA!, copying it.\n");
memcpy(&(pc->metadataChunk),
memcpy(currentChunk,
cb->metadataChunks+meta,
sizeof(MetadataChunk));
pc->metadataState =
PLAYER_METADATA_STATE_READ;
*currentChunkSent = 0;
cb->metaChunkSet[meta] = 0;
previous = meta;
}
}
*previous = meta;
}
if(!(*currentChunkSent) && pc->metadataState ==
PLAYER_METADATA_STATE_WRITE)
{
printf("copy metadata to player\n");
*currentChunkSent = 1;
memcpy(&(pc->metadataChunk), currentChunk,
sizeof(MetadataChunk));
pc->metadataState = PLAYER_METADATA_STATE_READ;
kill(getppid(), SIGUSR1);
}
}
void advanceOutputBufferTo(OutputBuffer * cb, PlayerControl * pc,
int * previous, int * currentChunkSent, MetadataChunk * currentChunk,
int to)
{
while(cb->begin!=to) {
handleMetadata(cb, pc, previous, currentChunkSent,
currentChunk);
cb->begin++;
if(cb->begin>=buffered_chunks) {
cb->begin = 0;
cb->wrap = 0;
}
}
}
@@ -434,6 +455,9 @@ void decodeParent(PlayerControl * pc, DecoderControl * dc, OutputBuffer * cb) {
int decodeWaitedOn = 0;
char silence[CHUNK_SIZE];
double sizeToTime = 0.0;
int previousMetadataChunk = -1;
MetadataChunk currentMetadataChunk;
int currentChunkSent = 1;
memset(silence,0,CHUNK_SIZE);
@@ -454,7 +478,8 @@ void decodeParent(PlayerControl * pc, DecoderControl * dc, OutputBuffer * cb) {
while(!quit) {
processDecodeInput();
handleDecodeStart();
handleMetadata(cb, pc);
handleMetadata(cb, pc, &previousMetadataChunk,
&currentChunkSent, &currentMetadataChunk);
if(dc->state==DECODE_STATE_STOP &&
pc->queueState==PLAYER_QUEUE_FULL &&
pc->queueLockState==PLAYER_QUEUE_UNLOCKED)
@@ -558,7 +583,11 @@ void decodeParent(PlayerControl * pc, DecoderControl * dc, OutputBuffer * cb) {
{
nextChunk -= buffered_chunks;
}
cb->begin = nextChunk;
advanceOutputBufferTo(cb, pc,
&previousMetadataChunk,
&currentChunkSent,
&currentMetadataChunk,
nextChunk);
}
}
while(pc->queueState==PLAYER_QUEUE_DECODE ||