AMD rocAL - Meta Data API#
The AMD rocAL meta data functions. More...
| Functions | |
| RocalMetaData ROCAL_API_CALL | rocalCreateLabelReader (RocalContext rocal_context, const char *source_path, const char *file_list_path="") | 
| creates label reader  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateVideoLabelReader (RocalContext rocal_context, const char *source_path, unsigned sequence_length, unsigned frame_step, unsigned frame_stride, bool file_list_frame_num=true) | 
| creates video label reader  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateTFReader (RocalContext rocal_context, const char *source_path, bool is_output, const char *user_key_for_label, const char *user_key_for_filename) | 
| create tf reader  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateTFReaderDetection (RocalContext rocal_context, const char *source_path, bool is_output, const char *user_key_for_label, const char *user_key_for_text, const char *user_key_for_xmin, const char *user_key_for_ymin, const char *user_key_for_xmax, const char *user_key_for_ymax, const char *user_key_for_filename) | 
| create tf reader detection  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateCOCOReader (RocalContext rocal_context, const char *source_path, bool is_output, bool mask=false, bool ltrb=true, bool is_box_encoder=false, bool avoid_class_remapping=false, bool aspect_ratio_grouping=false, bool is_box_iou_matcher=false) | 
| create coco reader  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateCOCOReaderKeyPoints (RocalContext rocal_context, const char *source_path, bool is_output, float sigma=0.0, unsigned pose_output_width=0, unsigned pose_output_height=0) | 
| create coco reader key points  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateTextFileBasedLabelReader (RocalContext rocal_context, const char *source_path) | 
| create text file based label reader  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateCaffeLMDBLabelReader (RocalContext rocal_context, const char *source_path) | 
| create caffe LMDB label reader  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateCaffeLMDBReaderDetection (RocalContext rocal_context, const char *source_path) | 
| create caffe LMDB label reader for object detection  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateCaffe2LMDBLabelReader (RocalContext rocal_context, const char *source_path, bool is_output) | 
| create caffe2 LMDB label reader  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateCaffe2LMDBReaderDetection (RocalContext rocal_context, const char *source_path, bool is_output) | 
| create caffe2 LMDB label reader for object detection  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateMXNetReader (RocalContext rocal_context, const char *source_path, bool is_output) | 
| create MXNet reader  More... | |
| void ROCAL_API_CALL | rocalGetImageName (RocalContext rocal_context, char *buf) | 
| get image name  More... | |
| unsigned ROCAL_API_CALL | rocalGetImageNameLen (RocalContext rocal_context, int *buf) | 
| get image name lengths  More... | |
| RocalTensorList ROCAL_API_CALL | rocalGetImageLabels (RocalContext rocal_context) | 
| get image labels  More... | |
| unsigned ROCAL_API_CALL | rocalGetBoundingBoxCount (RocalContext rocal_context) | 
| get bounding box count  More... | |
| unsigned ROCAL_API_CALL | rocalGetMaskCount (RocalContext p_context, int *buf) | 
| get mask count  More... | |
| RocalTensorList ROCAL_API_CALL | rocalGetMaskCoordinates (RocalContext p_context, int *bufcount) | 
| get mask coordinates  More... | |
| RocalTensorList ROCAL_API_CALL | rocalGetBoundingBoxLabel (RocalContext rocal_context) | 
| get bounding box label  More... | |
| RocalTensorList ROCAL_API_CALL | rocalGetBoundingBoxCords (RocalContext rocal_context) | 
| get bounding box coordinates  More... | |
| void ROCAL_API_CALL | rocalGetImageSizes (RocalContext rocal_context, int *buf) | 
| get image sizes  More... | |
| void ROCAL_API_CALL | rocalGetROIImageSizes (RocalContext rocal_context, int *buf) | 
| get ROI image sizes  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateTextCifar10LabelReader (RocalContext rocal_context, const char *source_path, const char *file_prefix) | 
| create text cifar10 label reader  More... | |
| void ROCAL_API_CALL | rocalGetOneHotImageLabels (RocalContext rocal_context, void *buf, int numOfClasses, RocalOutputMemType output_mem_type) | 
| get one hot image labels  More... | |
| void ROCAL_API_CALL | rocalGetSequenceStartFrameNumber (RocalContext rocal_context, unsigned int *buf) | 
| get sequence starting frame number  More... | |
| void ROCAL_API_CALL | rocalGetSequenceFrameTimestamps (RocalContext rocal_context, float *buf) | 
| get sequence time stamps  More... | |
| void ROCAL_API_CALL | rocalBoxEncoder (RocalContext p_context, std::vector< float > &anchors, float criteria, std::vector< float > &means, std::vector< float > &stds, bool offset=false, float scale=1.0) | 
| rocal box encoder  More... | |
| void ROCAL_API_CALL | rocalCopyEncodedBoxesAndLables (RocalContext p_context, float *boxes_buf, int *labels_buf) | 
| copy encoded boxes and labels  More... | |
| RocalMetaData ROCAL_API_CALL | rocalGetEncodedBoxesAndLables (RocalContext p_context, int num_encoded_boxes) | 
| void ROCAL_API_CALL | rocalGetImageId (RocalContext p_context, int *buf) | 
| get image id  More... | |
| void ROCAL_API_CALL | rocalGetJointsDataPtr (RocalContext p_context, RocalJointsData **joints_data) | 
| get joints data pointer  More... | |
| void ROCAL_API_CALL | rocalBoxIouMatcher (RocalContext p_context, std::vector< float > &anchors, float high_threshold, float low_threshold, bool allow_low_quality_matches=true) | 
| API to enable box IOU matcher and pass required params to pipeline.  More... | |
| RocalTensorList ROCAL_API_CALL | rocalGetMatchedIndices (RocalContext p_context) | 
| API to return the matched indices for the bounding box and anchors.  More... | |
| RocalMetaData ROCAL_API_CALL | rocalCreateWebDatasetReader (RocalContext p_context, const char *source_path, const char *index_path, std::vector< std::set< std::string >> extensions, RocalMissingComponentsBehaviour missing_components_behavior, bool is_output) | 
| creates webdataset reader  More... | |
| RocalMetaData ROCAL_API_CALL | rocalGetAsciiDatas (RocalContext p_context) | 
| get joints data pointer  More... | |
Detailed Description
The AMD rocAL meta data functions.
Function Documentation
◆ rocalBoxEncoder()
| void ROCAL_API_CALL rocalBoxEncoder | ( | RocalContext | p_context, | 
| std::vector< float > & | anchors, | ||
| float | criteria, | ||
| std::vector< float > & | means, | ||
| std::vector< float > & | stds, | ||
| bool | offset = false, | ||
| float | scale = 1.0 | ||
| ) | 
rocal box encoder
- Parameters
- 
  [in] anchors Anchors to be used for encoding, as the array of floats is in the ltrb format. [in] criteria Threshold IoU for matching bounding boxes with anchors. The value needs to be between 0 and 1. [in] offset Returns normalized offsets ((encoded_bboxes*scale - anchors*scale) - mean) / stds in EncodedBBoxes that use std and the mean and scale arguments [in] means [x y w h] mean values for normalization. [in] stds [x y w h] standard deviations for offset normalization. [in] scale Rescales the box and anchor values before the offset is calculated (for example, to return to the absolute values). 
◆ rocalBoxIouMatcher()
| void ROCAL_API_CALL rocalBoxIouMatcher | ( | RocalContext | p_context, | 
| std::vector< float > & | anchors, | ||
| float | high_threshold, | ||
| float | low_threshold, | ||
| bool | allow_low_quality_matches = true | ||
| ) | 
API to enable box IOU matcher and pass required params to pipeline.
- Parameters
- 
  [in] p_context rocAL context [in] anchors The anchors / ground truth bounding box coordinates [in] high_threshold The max threshold for IOU [in] low_threshold The min threshold for IOU [in] allow_low_quality_matches bool value when set to true allows low quality matches 
◆ rocalCopyEncodedBoxesAndLables()
| void ROCAL_API_CALL rocalCopyEncodedBoxesAndLables | ( | RocalContext | p_context, | 
| float * | boxes_buf, | ||
| int * | labels_buf | ||
| ) | 
copy encoded boxes and labels
- Parameters
- 
  [in] p_context rocal context [out] boxes_buf user's buffer that will be filled with encoded bounding boxes . Its needs to be at least of size batch_size. [out] labels_buf user's buffer that will be filled with encoded labels . Its needs to be at least of size batch_size. 
◆ rocalCreateCaffe2LMDBLabelReader()
| RocalMetaData ROCAL_API_CALL rocalCreateCaffe2LMDBLabelReader | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| bool | is_output | ||
| ) | 
create caffe2 LMDB label reader
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the Caffe2LMDB records for Classification 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateCaffe2LMDBReaderDetection()
| RocalMetaData ROCAL_API_CALL rocalCreateCaffe2LMDBReaderDetection | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| bool | is_output | ||
| ) | 
create caffe2 LMDB label reader for object detection
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the Caffe2LMDB records for Object Detection 
- Returns
- RocalMetaData object - can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateCaffeLMDBLabelReader()
| RocalMetaData ROCAL_API_CALL rocalCreateCaffeLMDBLabelReader | ( | RocalContext | rocal_context, | 
| const char * | source_path | ||
| ) | 
create caffe LMDB label reader
- Parameters
- 
  [in] rocal_context [in] source_path path to the Caffe LMDB records for Classification 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateCaffeLMDBReaderDetection()
| RocalMetaData ROCAL_API_CALL rocalCreateCaffeLMDBReaderDetection | ( | RocalContext | rocal_context, | 
| const char * | source_path | ||
| ) | 
create caffe LMDB label reader for object detection
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the Caffe LMDB records for Object Detection 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateCOCOReader()
| RocalMetaData ROCAL_API_CALL rocalCreateCOCOReader | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| bool | is_output, | ||
| bool | mask = false, | ||
| bool | ltrb = true, | ||
| bool | is_box_encoder = false, | ||
| bool | avoid_class_remapping = false, | ||
| bool | aspect_ratio_grouping = false, | ||
| bool | is_box_iou_matcher = false | ||
| ) | 
create coco reader
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the coco json file [in] mask enable polygon masks [in] ltrb If set to True, bboxes are returned as [left, top, right, bottom]. If set to False, the bboxes are returned as [x, y, width, height] [in] is_box_encoder If set to True, bboxes are returned as encoded bboxes using the anchors [in] avoid_class_remapping If set to True, classes are returned directly. Otherwise, classes are mapped to consecutive values [in] aspect_ratio_grouping If set to True, images are sorted by their aspect ratio and returned [in] is_box_iou_matcher If set to True, box iou matcher which returns matched indices is enabled in the pipeline 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateCOCOReaderKeyPoints()
| RocalMetaData ROCAL_API_CALL rocalCreateCOCOReaderKeyPoints | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| bool | is_output, | ||
| float | sigma = 0.0, | ||
| unsigned | pose_output_width = 0, | ||
| unsigned | pose_output_height = 0 | ||
| ) | 
create coco reader key points
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the coco json file [in] sigma sigma used for gaussian distribution (needed for HRNet Pose estimation) [in] pose_output_width output image width (needed for HRNet Pose estimation) [in] pose_output_width output image height (needed for HRNet Pose estimation) 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateLabelReader()
| RocalMetaData ROCAL_API_CALL rocalCreateLabelReader | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| const char * | file_list_path = "" | ||
| ) | 
creates label reader
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the folder that contains the dataset or metadata file file_list_path is the path to file list that contains the file names and its corresponding labels 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateMXNetReader()
| RocalMetaData ROCAL_API_CALL rocalCreateMXNetReader | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| bool | is_output | ||
| ) | 
create MXNet reader
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the MXNet recordio files for Classification 
- Returns
- RocalMetaData object - can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateTextCifar10LabelReader()
| RocalMetaData ROCAL_API_CALL rocalCreateTextCifar10LabelReader | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| const char * | file_prefix | ||
| ) | 
create text cifar10 label reader
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the file that contains the metadata file [in] filename_prefix look only files with prefix ( needed for cifar10) 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateTextFileBasedLabelReader()
| RocalMetaData ROCAL_API_CALL rocalCreateTextFileBasedLabelReader | ( | RocalContext | rocal_context, | 
| const char * | source_path | ||
| ) | 
create text file based label reader
- Parameters
- 
  [in] rocal_context [in] source_path path to the file that contains the metadata file 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateTFReader()
| RocalMetaData ROCAL_API_CALL rocalCreateTFReader | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| bool | is_output, | ||
| const char * | user_key_for_label, | ||
| const char * | user_key_for_filename | ||
| ) | 
create tf reader
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the coco json file 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateTFReaderDetection()
| RocalMetaData ROCAL_API_CALL rocalCreateTFReaderDetection | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| bool | is_output, | ||
| const char * | user_key_for_label, | ||
| const char * | user_key_for_text, | ||
| const char * | user_key_for_xmin, | ||
| const char * | user_key_for_ymin, | ||
| const char * | user_key_for_xmax, | ||
| const char * | user_key_for_ymax, | ||
| const char * | user_key_for_filename | ||
| ) | 
create tf reader detection
- Parameters
- 
  [in] rocal_context [in] source_path path to the coco json file 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateVideoLabelReader()
| RocalMetaData ROCAL_API_CALL rocalCreateVideoLabelReader | ( | RocalContext | rocal_context, | 
| const char * | source_path, | ||
| unsigned | sequence_length, | ||
| unsigned | frame_step, | ||
| unsigned | frame_stride, | ||
| bool | file_list_frame_num = true | ||
| ) | 
creates video label reader
- Parameters
- 
  [in] rocal_context rocal context [in] source_path path to the folder that contains the dataset or metadata file [in] sequence_length The number of frames in a sequence. [in] frame_step Frame interval between each sequence. [in] frame_stride Frame interval between frames in a sequence. [in] file_list_frame_num True : when the inputs from text file is to be considered as frame numbers. False : when the inputs from text file is to considered as timestamps. 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalCreateWebDatasetReader()
| RocalMetaData ROCAL_API_CALL rocalCreateWebDatasetReader | ( | RocalContext | p_context, | 
| const char * | source_path, | ||
| const char * | index_path, | ||
| std::vector< std::set< std::string >> | extensions, | ||
| RocalMissingComponentsBehaviour | missing_components_behavior, | ||
| bool | is_output | ||
| ) | 
creates webdataset reader
- Parameters
- 
  [in] p_context rocal context [in] source_path path to the folder that contains the dataset [in] index_path path to the folder that contains the index files extensions [in] the extensions used in the tar files for parsing them missing_components_behavior [in] The behaviour that determines what happens when any component in the sample is missing. is_output [in] The output is set or not. 
- Returns
- RocalMetaData object, can be used to inquire about the rocal's output (processed) tensors
◆ rocalGetAsciiDatas()
| RocalMetaData ROCAL_API_CALL rocalGetAsciiDatas | ( | RocalContext | p_context | ) | 
get joints data pointer
- Parameters
- 
  [in] rocal_context rocal context [out] ascii_data The user's AsciiDatas pointer that will be pointed to AsciiDataBatch pointer 
◆ rocalGetBoundingBoxCords()
| RocalTensorList ROCAL_API_CALL rocalGetBoundingBoxCords | ( | RocalContext | rocal_context | ) | 
get bounding box coordinates
- Parameters
- 
  [in] rocal_context rocal context [out] buf The user's buffer that will be filled with bounding box coords info for the images in the output batch. It needs to be of size returned by a call to the rocalGetBoundingBoxCords 
- Returns
- RocalTensorList of bounding box co-ordinates
◆ rocalGetBoundingBoxCount()
| unsigned ROCAL_API_CALL rocalGetBoundingBoxCount | ( | RocalContext | rocal_context | ) | 
get bounding box count
- Parameters
- 
  [in] rocal_context rocal context [out] buf The user's buffer that will be filled with number of object in the images. 
- Returns
- The size of the buffer needs to be provided by user to get bounding box info for all images in the output batch.
◆ rocalGetBoundingBoxLabel()
| RocalTensorList ROCAL_API_CALL rocalGetBoundingBoxLabel | ( | RocalContext | rocal_context | ) | 
get bounding box label
- Parameters
- 
  [in] rocal_context rocal context [out] buf The user's buffer that will be filled with bounding box label info for the images in the output batch. It needs to be of size returned by a call to the rocalGetBoundingBoxCount 
- Returns
- RocalTensorList of labels associated with bounding box coordinates
◆ rocalGetEncodedBoxesAndLables()
| RocalMetaData ROCAL_API_CALL rocalGetEncodedBoxesAndLables | ( | RocalContext | p_context, | 
| int | num_encoded_boxes | ||
| ) | 
- Parameters
- 
  boxes_buf ptr to user's buffer that will be filled with encoded bounding boxes . Its needs to be at least of size batch_size. labels_buf user's buffer that will be filled with encoded labels . Its needs to be at least of size batch_size. 
◆ rocalGetImageId()
| void ROCAL_API_CALL rocalGetImageId | ( | RocalContext | p_context, | 
| int * | buf | ||
| ) | 
get image id
- Parameters
- 
  rocal_context rocal context buf The user's buffer that will be filled with image id info for the images in the output batch. 
◆ rocalGetImageLabels()
| RocalTensorList ROCAL_API_CALL rocalGetImageLabels | ( | RocalContext | rocal_context | ) | 
get image labels
- Parameters
- 
  [in] meta_data RocalMetaData object that contains info about the images and labels [out] buf user's buffer that will be filled with labels. Its needs to be at least of size batch_size. 
- Returns
- RocalTensorList of labels associated with image
◆ rocalGetImageName()
| void ROCAL_API_CALL rocalGetImageName | ( | RocalContext | rocal_context, | 
| char * | buf | ||
| ) | 
get image name
- Parameters
- 
  [in] rocal_context rocal context [out] buf user buffer provided to be filled with output image names for images in the output batch. 
◆ rocalGetImageNameLen()
| unsigned ROCAL_API_CALL rocalGetImageNameLen | ( | RocalContext | rocal_context, | 
| int * | buf | ||
| ) | 
get image name lengths
- Parameters
- 
  [in] rocal_context rocal context [out] buf userbuffer provided to be filled with the length of the image names in the output batch 
- Returns
- The size of the buffer needs to be provided by user to get the image names of the output batch
◆ rocalGetImageSizes()
| void ROCAL_API_CALL rocalGetImageSizes | ( | RocalContext | rocal_context, | 
| int * | buf | ||
| ) | 
get image sizes
- Parameters
- 
  [in] rocal_context rocal context [out] buf The user's buffer that will be filled with images sizes info for the images in the output batch 
◆ rocalGetJointsDataPtr()
| void ROCAL_API_CALL rocalGetJointsDataPtr | ( | RocalContext | p_context, | 
| RocalJointsData ** | joints_data | ||
| ) | 
get joints data pointer
- Parameters
- 
  [in] rocal_context rocal context [out] joints_data The user's RocalJointsData pointer that will be pointed to JointsDataBatch pointer 
◆ rocalGetMaskCoordinates()
| RocalTensorList ROCAL_API_CALL rocalGetMaskCoordinates | ( | RocalContext | p_context, | 
| int * | bufcount | ||
| ) | 
get mask coordinates
- Parameters
- 
  [in] rocal_context rocal context [out] bufcount The user's buffer that will be filled with polygon size for the mask info 
- Returns
- The tensorlist with the mask coordinates
◆ rocalGetMaskCount()
| unsigned ROCAL_API_CALL rocalGetMaskCount | ( | RocalContext | p_context, | 
| int * | buf | ||
| ) | 
get mask count
- Parameters
- 
  [in] rocal_context rocal context [out] buf the imageIdx in the output batch 
- Returns
- The size of the buffer needs to be provided by user to get mask box info associated with image_idx in the output batch.
◆ rocalGetMatchedIndices()
| RocalTensorList ROCAL_API_CALL rocalGetMatchedIndices | ( | RocalContext | p_context | ) | 
API to return the matched indices for the bounding box and anchors.
- Parameters
- 
  [in] p_context rocAL context 
- Returns
- RocalTensorList of matched indices
◆ rocalGetOneHotImageLabels()
| void ROCAL_API_CALL rocalGetOneHotImageLabels | ( | RocalContext | rocal_context, | 
| void * | buf, | ||
| int | numOfClasses, | ||
| RocalOutputMemType | output_mem_type | ||
| ) | 
get one hot image labels
- Parameters
- 
  [in] meta_data RocalMetaData object that contains info about the images and labels [in] numOfClasses the number of classes for a image dataset [out] buf user's buffer that will be filled with labels. Its needs to be at least of size batch_size. [in] dest destination can be host=0 / device=1 
◆ rocalGetROIImageSizes()
| void ROCAL_API_CALL rocalGetROIImageSizes | ( | RocalContext | rocal_context, | 
| int * | buf | ||
| ) | 
get ROI image sizes
- Parameters
- 
  [in] rocal_context rocal context [out] buf The user's buffer that will be filled with ROI image size info for the images in the output batch 
◆ rocalGetSequenceFrameTimestamps()
| void ROCAL_API_CALL rocalGetSequenceFrameTimestamps | ( | RocalContext | rocal_context, | 
| float * | buf | ||
| ) | 
get sequence time stamps
- Parameters
- 
  [in] rocal_context rocal context [out] buf The user's buffer that will be filled with frame timestamps of each of the frames in output batch sequences. 
◆ rocalGetSequenceStartFrameNumber()
| void ROCAL_API_CALL rocalGetSequenceStartFrameNumber | ( | RocalContext | rocal_context, | 
| unsigned int * | buf | ||
| ) | 
get sequence starting frame number
- Parameters
- 
  [in] rocal_context rocal context [out] buf The user's buffer that will be filled with starting frame numbers of the output batch sequences.