Initial commit

tests/clap/process.h

@@ -0,0 +1,66 @@
+#pragma once
+
+#include "events.h"
+#include "audio-buffer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum {
+   // Processing failed. The output buffer must be discarded.
+   CLAP_PROCESS_ERROR = 0,
+
+   // Processing succeeded, keep processing.
+   CLAP_PROCESS_CONTINUE = 1,
+
+   // Processing succeeded, keep processing if the output is not quiet.
+   CLAP_PROCESS_CONTINUE_IF_NOT_QUIET = 2,
+
+   // Rely upon the plugin's tail to determine if the plugin should continue to process.
+   // see clap_plugin_tail
+   CLAP_PROCESS_TAIL = 3,
+
+   // Processing succeeded, but no more processing is required,
+   // until the next event or variation in audio input.
+   CLAP_PROCESS_SLEEP = 4,
+};
+typedef int32_t clap_process_status;
+
+typedef struct clap_process {
+   // A steady sample time counter.
+   // This field can be used to calculate the sleep duration between two process calls.
+   // This value may be specific to this plugin instance and have no relation to what
+   // other plugin instances may receive.
+   //
+   // Set to -1 if not available, otherwise the value must be greater or equal to 0,
+   // and must be increased by at least `frames_count` for the next call to process.
+   int64_t steady_time;
+
+   // Number of frames to process
+   uint32_t frames_count;
+
+   // time info at sample 0
+   // If null, then this is a free running host, no transport events will be provided
+   const clap_event_transport_t *transport;
+
+   // Audio buffers, they must have the same count as specified
+   // by clap_plugin_audio_ports->count().
+   // The index maps to clap_plugin_audio_ports->get().
+   // Input buffer and its contents are read-only.
+   const clap_audio_buffer_t *audio_inputs;
+   clap_audio_buffer_t       *audio_outputs;
+   uint32_t                   audio_inputs_count;
+   uint32_t                   audio_outputs_count;
+
+   // The input event list can't be modified.
+   // Input read-only event list. The host will deliver these sorted in sample order.
+   const clap_input_events_t  *in_events;
+
+   // Output event list. The plugin must insert events in sample sorted order when inserting events
+   const clap_output_events_t *out_events;
+} clap_process_t;
+
+#ifdef __cplusplus
+}
+#endif