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authorChris Robinson <[email protected]>2011-08-20 06:31:10 -0700
committerChris Robinson <[email protected]>2011-08-20 06:31:10 -0700
commit7ea71d8bfaa7a05e329ab15ca8828cbc7fe7d00f (patch)
tree158199f0b742abbb4321313b5ea6f6aed3cb5dc9 /OpenAL32/alSource.c
parent9b615a0adda64fa8cdb6c30c29909885300ee237 (diff)
Use a separate function to set the source state
Diffstat (limited to 'OpenAL32/alSource.c')
-rw-r--r--OpenAL32/alSource.c196
1 files changed, 109 insertions, 87 deletions
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index 522c39f8..f1007507 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -1328,8 +1328,7 @@ AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
{
ALCcontext *Context;
ALsource *Source;
- ALbufferlistitem *BufferList;
- ALsizei i, j, k;
+ ALsizei i;
Context = GetLockedContext();
if(!Context) return;
@@ -1377,65 +1376,7 @@ AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources)
for(i = 0;i < n;i++)
{
Source = (ALsource*)ALTHUNK_LOOKUPENTRY(sources[i]);
-
- // Check that there is a queue containing at least one non-null, non zero length AL Buffer
- BufferList = Source->queue;
- while(BufferList)
- {
- if(BufferList->buffer != NULL && BufferList->buffer->size)
- break;
- BufferList = BufferList->next;
- }
-
- /* If there's nothing to play, or device is disconnected, go right to
- * stopped */
- if(!BufferList || !Context->Device->Connected)
- {
- Source->state = AL_STOPPED;
- Source->BuffersPlayed = Source->BuffersInQueue;
- Source->position = 0;
- Source->position_fraction = 0;
- Source->lOffset = 0;
- continue;
- }
-
- if(Source->state != AL_PLAYING)
- {
- for(j = 0;j < MAXCHANNELS;j++)
- {
- for(k = 0;k < SRC_HISTORY_LENGTH;k++)
- Source->HrtfHistory[j][k] = 0.0f;
- for(k = 0;k < HRIR_LENGTH;k++)
- {
- Source->HrtfValues[j][k][0] = 0.0f;
- Source->HrtfValues[j][k][1] = 0.0f;
- }
- }
- }
-
- if(Source->state != AL_PAUSED)
- {
- Source->state = AL_PLAYING;
- Source->position = 0;
- Source->position_fraction = 0;
- Source->BuffersPlayed = 0;
-
- Source->Buffer = Source->queue->buffer;
- }
- else
- Source->state = AL_PLAYING;
-
- // Check if an Offset has been set
- if(Source->lOffset)
- ApplyOffset(Source);
-
- for(j = 0;j < Context->ActiveSourceCount;j++)
- {
- if(Context->ActiveSources[j] == Source)
- break;
- }
- if(j == Context->ActiveSourceCount)
- Context->ActiveSources[Context->ActiveSourceCount++] = Source;
+ SetSourceState(Source, Context, AL_PLAYING);
}
done:
@@ -1480,12 +1421,7 @@ AL_API ALvoid AL_APIENTRY alSourcePausev(ALsizei n, const ALuint *sources)
for(i = 0;i < n;i++)
{
Source = (ALsource*)ALTHUNK_LOOKUPENTRY(sources[i]);
- if(Source->state == AL_PLAYING)
- {
- Source->state = AL_PAUSED;
- Source->HrtfMoving = AL_FALSE;
- Source->HrtfCounter = 0;
- }
+ SetSourceState(Source, Context, AL_PAUSED);
}
done:
@@ -1530,14 +1466,7 @@ AL_API ALvoid AL_APIENTRY alSourceStopv(ALsizei n, const ALuint *sources)
for(i = 0;i < n;i++)
{
Source = (ALsource*)ALTHUNK_LOOKUPENTRY(sources[i]);
- if(Source->state != AL_INITIAL)
- {
- Source->state = AL_STOPPED;
- Source->BuffersPlayed = Source->BuffersInQueue;
- Source->HrtfMoving = AL_FALSE;
- Source->HrtfCounter = 0;
- }
- Source->lOffset = 0;
+ SetSourceState(Source, Context, AL_STOPPED);
}
done:
@@ -1582,18 +1511,7 @@ AL_API ALvoid AL_APIENTRY alSourceRewindv(ALsizei n, const ALuint *sources)
for(i = 0;i < n;i++)
{
Source = (ALsource*)ALTHUNK_LOOKUPENTRY(sources[i]);
- if(Source->state != AL_INITIAL)
- {
- Source->state = AL_INITIAL;
- Source->position = 0;
- Source->position_fraction = 0;
- Source->BuffersPlayed = 0;
- if(Source->queue)
- Source->Buffer = Source->queue->buffer;
- Source->HrtfMoving = AL_FALSE;
- Source->HrtfCounter = 0;
- }
- Source->lOffset = 0;
+ SetSourceState(Source, Context, AL_INITIAL);
}
done:
@@ -1866,6 +1784,110 @@ static ALvoid InitSourceParams(ALsource *Source)
/*
+ * SetSourceState
+ *
+ * Sets the source's new play state given its current state
+ */
+ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state)
+{
+ if(state == AL_PLAYING)
+ {
+ ALbufferlistitem *BufferList;
+ ALsizei j, k;
+
+ /* Check that there is a queue containing at least one non-null, non zero length AL Buffer */
+ BufferList = Source->queue;
+ while(BufferList)
+ {
+ if(BufferList->buffer != NULL && BufferList->buffer->size)
+ break;
+ BufferList = BufferList->next;
+ }
+
+ /* If there's nothing to play, or device is disconnected, go right to
+ * stopped */
+ if(!BufferList || !Context->Device->Connected)
+ {
+ SetSourceState(Source, Context, AL_STOPPED);
+ return;
+ }
+
+ if(Source->state != AL_PLAYING)
+ {
+ for(j = 0;j < MAXCHANNELS;j++)
+ {
+ for(k = 0;k < SRC_HISTORY_LENGTH;k++)
+ Source->HrtfHistory[j][k] = 0.0f;
+ for(k = 0;k < HRIR_LENGTH;k++)
+ {
+ Source->HrtfValues[j][k][0] = 0.0f;
+ Source->HrtfValues[j][k][1] = 0.0f;
+ }
+ }
+ }
+
+ if(Source->state != AL_PAUSED)
+ {
+ Source->state = AL_PLAYING;
+ Source->position = 0;
+ Source->position_fraction = 0;
+ Source->BuffersPlayed = 0;
+
+ Source->Buffer = Source->queue->buffer;
+ }
+ else
+ Source->state = AL_PLAYING;
+
+ // Check if an Offset has been set
+ if(Source->lOffset)
+ ApplyOffset(Source);
+
+ for(j = 0;j < Context->ActiveSourceCount;j++)
+ {
+ if(Context->ActiveSources[j] == Source)
+ break;
+ }
+ if(j == Context->ActiveSourceCount)
+ Context->ActiveSources[Context->ActiveSourceCount++] = Source;
+ }
+ else if(state == AL_PAUSED)
+ {
+ if(Source->state == AL_PLAYING)
+ {
+ Source->state = AL_PAUSED;
+ Source->HrtfMoving = AL_FALSE;
+ Source->HrtfCounter = 0;
+ }
+ }
+ else if(state == AL_STOPPED)
+ {
+ if(Source->state != AL_INITIAL)
+ {
+ Source->state = AL_STOPPED;
+ Source->BuffersPlayed = Source->BuffersInQueue;
+ Source->HrtfMoving = AL_FALSE;
+ Source->HrtfCounter = 0;
+ }
+ Source->lOffset = 0;
+ }
+ else if(state == AL_INITIAL)
+ {
+ if(Source->state != AL_INITIAL)
+ {
+ Source->state = AL_INITIAL;
+ Source->position = 0;
+ Source->position_fraction = 0;
+ Source->BuffersPlayed = 0;
+ if(Source->queue)
+ Source->Buffer = Source->queue->buffer;
+ Source->HrtfMoving = AL_FALSE;
+ Source->HrtfCounter = 0;
+ }
+ Source->lOffset = 0;
+ }
+}
+
+/*
GetSourceOffset
Gets the current playback position in the given Source, in the appropriate format (Bytes, Samples or MilliSeconds)