MayaFlux 0.1.0
Digital-First Multimedia Processing Framework
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◆ process()

void ContiguousAccessProcessor::process ( 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 115 of file ContiguousAccessProcessor.cpp.

116{
117 if (!m_prepared) {
118 std::cerr << "ContiguousAccessProcessor not prepared" << '\n';
119 return;
120 }
121
122 auto source_container = m_source_container_weak.lock();
123 if (!source_container || source_container.get() != container.get()) {
124 std::cerr << "Container mismatch or expired" << '\n';
125 return;
126 }
127
128 m_is_processing = true;
129 m_last_process_time = std::chrono::steady_clock::now();
130
131 try {
132 uint64_t min_frame = *std::ranges::min_element(m_current_position);
133 std::vector<uint64_t> region_coords = { min_frame, 0 };
134
135 Region output_region = calculate_output_region(region_coords, m_output_shape);
136
137 auto region_data = container->get_region_data(output_region);
138 auto& processed_data_vector = container->get_processed_data();
139
141 processed_data_vector.resize(1);
142 if (!region_data.empty()) {
143 safe_copy_data_variant(region_data[0], processed_data_vector[0]);
144 }
145 } else {
146 uint64_t channels_to_process = std::min(m_output_shape[1], static_cast<uint64_t>(region_data.size()));
147 processed_data_vector.resize(channels_to_process);
148
149 for (size_t ch = 0; ch < channels_to_process; ++ch) {
150 safe_copy_data_variant(region_data[ch], processed_data_vector[ch]);
151 }
152 }
153
154 if (m_auto_advance) {
155 uint64_t frames_to_advance = m_output_shape[0];
156
159 frames_to_advance,
163
164 if (auto stream = std::dynamic_pointer_cast<StreamContainer>(container)) {
165 stream->set_read_position(m_current_position);
166 }
167 }
168
169 container->update_processing_state(ProcessingState::PROCESSED);
170 } catch (const std::exception& e) {
171 std::cerr << "Error during processing: " << e.what() << '\n';
172 container->update_processing_state(ProcessingState::ERROR);
173 }
174
175 m_is_processing = false;
176}
std::chrono::steady_clock::time_point m_last_process_time
std::weak_ptr< SignalSourceContainer > m_source_container_weak
@ 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::Kakshya::ERROR, MayaFlux::Kakshya::INTERLEAVED, 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, MayaFlux::Kakshya::ContainerDataStructure::organization, MayaFlux::Kakshya::PROCESSED, and MayaFlux::Kakshya::safe_copy_data_variant().

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