Initial pure C++ implementation

src/joc_bitstream/joc_parser.h

@@ -0,0 +1,46 @@
+// Port of src/joc_decode.py.
+
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <vector>
+
+#include "joc_core.h"
+#include "emdf/emdf_parser.h"
+#include "foundation/status.h"
+
+namespace joc::joc {
+
+struct ObjectSymbols {
+    std::uint8_t present = 0;
+    std::uint8_t sparse = 0;
+    std::uint8_t n_bands = 0;
+    std::uint8_t n_dpoints = 0;
+    std::uint8_t n_channels = 0;
+    std::int64_t q[JOC_MAX_DPOINTS][JOC_MAX_CORE_CHANNELS][JOC_MAX_PARAMETER_BANDS] = {};
+    std::int16_t mtx[JOC_MAX_DPOINTS][JOC_MAX_CORE_CHANNELS][JOC_MAX_PARAMETER_BANDS] = {};
+    std::uint8_t idx[JOC_MAX_DPOINTS][JOC_MAX_PARAMETER_BANDS] = {};
+    std::int16_t vec[JOC_MAX_DPOINTS][JOC_MAX_PARAMETER_BANDS] = {};
+};
+
+struct FrameSymbols {
+    std::uint8_t n_objects = 0;
+    std::uint8_t n_channels = 0;
+    ObjectSymbols objects[JOC_MAX_OBJECTS];
+};
+
+Status parse_id14(const std::uint8_t* payload, std::size_t payload_size, joc_frame_params* out,
+                  FrameSymbols* symbols);
+
+Status parse_eac3_frame(const std::uint8_t* frame, std::size_t frame_size, joc_frame_params* out,
+                        emdf::Container* container, FrameSymbols* symbols);
+
+Status check_id14_padding(const std::uint8_t* payload, std::size_t payload_size,
+                          std::uint32_t* out_trailing_bits);
+
+std::int16_t num_channels_for_config(std::uint32_t dmx_config_idx);
+
+std::int16_t num_bands_for_index(std::uint32_t num_bands_idx);
+
+}  // namespace joc::joc