MayaFlux 0.2.0
Digital-First Multimedia Processing Framework
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◆ process()

void ContiguousAccessProcessor::process ( const std::shared_ptr< SignalSourceContainer > &  container)
overridevirtual

Process the current region or block of data.

Advances the read position if auto-advance is enabled.

Parameters
containerThe SignalSourceContainer to process.

Implements MayaFlux::Kakshya::DataProcessor.

Definition at line 135 of file ContiguousAccessProcessor.cpp.

136{
137 if (!m_prepared) {
139 "ContiguousAccessProcessor not prepared for processing");
140 return;
141 }
142
143 auto source_container = m_source_container_weak.lock();
144 if (!source_container || source_container.get() != container.get()) {
146 "ContiguousAccessProcessor: Source container mismatch or expired");
147 return;
148 }
149
150 m_is_processing = true;
151 m_last_process_time = std::chrono::steady_clock::now();
152
153 try {
154 uint64_t min_frame = *std::ranges::min_element(m_current_position);
155 std::vector<uint64_t> region_coords = { min_frame, 0 };
156
157 Region output_region = calculate_output_region(region_coords, m_output_shape);
158
159 auto region_data = container->get_region_data(output_region);
160 auto& processed_data_vector = container->get_processed_data();
161
163 processed_data_vector.resize(1);
164 if (!region_data.empty()) {
165 safe_copy_data_variant(region_data[0], processed_data_vector[0]);
166 }
167 } else {
168 uint64_t channels_to_process = std::min(m_output_shape[1], static_cast<uint64_t>(region_data.size()));
169 processed_data_vector.resize(channels_to_process);
170
171 for (size_t ch = 0; ch < channels_to_process; ++ch) {
172 safe_copy_data_variant(region_data[ch], processed_data_vector[ch]);
173 }
174 }
175
176 if (m_auto_advance) {
177 uint64_t frames_to_advance = m_output_shape[0];
178
181 frames_to_advance,
185
186 if (auto stream = std::dynamic_pointer_cast<StreamContainer>(container)) {
187 stream->set_read_position(m_current_position);
188 }
189 }
190
191 container->update_processing_state(ProcessingState::PROCESSED);
192 } catch (const std::exception& e) {
194 "Error during ContiguousAccessProcessor processing: {}",
195 e.what());
196 container->update_processing_state(ProcessingState::ERROR);
197 }
198
199 m_is_processing = false;
200}
#define MF_RT_ERROR(comp, ctx,...)
std::chrono::steady_clock::time_point m_last_process_time
std::weak_ptr< SignalSourceContainer > m_source_container_weak
@ ContainerProcessing
Container operations (Kakshya - file/stream/region processing)
@ Kakshya
Containers[Signalsource, Stream, File], Regions, DataProcessors.
@ ERROR
Container is in an error state and cannot proceed.
@ PROCESSED
Container has completed processing and results are available.
std::vector< uint64_t > advance_position(const std::vector< uint64_t > &current_positions, uint64_t frames_to_advance, const ContainerDataStructure &structure, bool looping_enabled, const Region &loop_region)
Advance current positions by a number of frames, with optional looping.
@ INTERLEAVED
Single DataVariant with interleaved data (LRLRLR for stereo)
void safe_copy_data_variant(const DataVariant &input, DataVariant &output)
Safely copy data from a DataVariant to another DataVariant, handling type conversion.
Definition DataUtils.cpp:34
Region calculate_output_region(const std::vector< uint64_t > &current_pos, const std::vector< uint64_t > &output_shape)
Calculate output region bounds from current position and shape.

References MayaFlux::Kakshya::advance_position(), MayaFlux::Kakshya::calculate_output_region(), MayaFlux::Journal::ContainerProcessing, MayaFlux::Kakshya::ERROR, MayaFlux::Kakshya::INTERLEAVED, MayaFlux::Journal::Kakshya, m_auto_advance, m_current_position, m_is_processing, m_last_process_time, m_loop_region, m_looping_enabled, m_output_shape, m_prepared, m_source_container_weak, m_structure, MF_RT_ERROR, MayaFlux::Kakshya::ContainerDataStructure::organization, MayaFlux::Kakshya::PROCESSED, and MayaFlux::Kakshya::safe_copy_data_variant().

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