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Resource Manager: Add public APIs for reading and seeking.

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This commit is contained in:
David Reid
2020-07-25 19:49:20 +10:00
parent 5eb7761d8e
commit 4fef753432
1 changed files with 15 additions and 3 deletions
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research/ma_engine.h
+15 -3
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@@ -409,6 +409,8 @@ MA_API ma_result ma_resource_manager_data_source_uninit(ma_resource_manager* pRe
MA_API ma_result ma_resource_manager_data_source_result(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source* pDataSource);
MA_API ma_result ma_resource_manager_data_source_set_looping(ma_resource_manager* pResourceManager, ma_resource_manager_data_source* pDataSource, ma_bool32 isLooping);
MA_API ma_result ma_resource_manager_data_source_get_looping(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source* pDataSource, ma_bool32* pIsLooping);
MA_API ma_result ma_resource_manager_data_source_read_pcm_frames(ma_resource_manager_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_resource_manager_data_source_seek_to_pcm_frame(ma_resource_manager_data_source* pDataSource, ma_uint64 frameIndex);
/* Job management. */
MA_API ma_result ma_resource_manager_post_job(ma_resource_manager* pResourceManager, const ma_job* pJob);
@@ -2574,8 +2576,8 @@ static ma_result ma_resource_manager_data_source_init_stream(ma_resource_manager
static ma_bool32 ma_resource_manager_data_source_buffer_is_busy(ma_resource_manager_data_source* pDataSource, ma_uint64 requiredFrameCount)
{
/*
Here is where we determine whether or not we need to return MA_BUSY from a data source callback. If we don't have enough data loaded to output all frameCount frames we
will abort with MA_BUSY. We could also choose to do a partial read (only reading as many frames are available), but it's just easier to abort early and I don't think it
Here is where we determine whether or not we need to return MA_BUSY from a data source callback. If we don't have enough data loaded to output all requiredFrameCount frames
we will abort with MA_BUSY. We could also choose to do a partial read (only reading as many frames are available), but it's just easier to abort early and I don't think it
really makes much practical difference. This only applies to decoded buffers.
*/
if (pDataSource->dataBuffer.pDataBuffer->data.type == ma_resource_manager_data_buffer_encoding_decoded) {
@@ -2640,7 +2642,7 @@ static ma_result ma_resource_manager_data_source_read(ma_data_source* pDataSourc
}
}
result = ma_data_source_read_pcm_frames(ma_resource_manager_data_source_get_buffer_connector(pRMDataSource), pFramesOut, frameCount, &framesRead, MA_FALSE);
result = ma_data_source_read_pcm_frames(ma_resource_manager_data_source_get_buffer_connector(pRMDataSource), pFramesOut, frameCount, &framesRead, pRMDataSource->dataBuffer.isLooping);
pRMDataSource->dataBuffer.cursor += framesRead;
if (pFramesRead != NULL) {
@@ -3048,6 +3050,16 @@ MA_API ma_result ma_resource_manager_data_source_get_looping(ma_resource_manager
}
}
MA_API ma_result ma_resource_manager_data_source_read_pcm_frames(ma_resource_manager_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_data_source_read_pcm_frames(pDataSource, pFramesOut, frameCount, pFramesRead, MA_FALSE);
}
MA_API ma_result ma_resource_manager_data_source_seek_to_pcm_frame(ma_resource_manager_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_data_source_seek_to_pcm_frame(pDataSource, frameIndex);
}
MA_API ma_result ma_resource_manager_post_job(ma_resource_manager* pResourceManager, const ma_job* pJob)
{