Move audio input parsing and validation from main.cpp into audio_input module

1 files changed, 66 insertions, 0 deletions

diff --git a/include/recorder/audio_input.h b/include/recorder/audio_input.h
new file mode 100644
index 0000000..f6cb87e
--- /dev/null
+++ b/include/recorder/audio_input.h
@@ -0,0 +1,66 @@
+#ifndef GSR_RECORDER_AUDIO_INPUT_H
+#define GSR_RECORDER_AUDIO_INPUT_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include "../sound.h"
+
+#define GSR_AUDIO_INPUT_NAME_MAX_SIZE 256
+#define GSR_AUDIO_TRACK_NAME_MAX_SIZE 512
+
+typedef enum {
+    GSR_AUDIO_INPUT_TYPE_DEVICE,
+    GSR_AUDIO_INPUT_TYPE_APPLICATION
+} gsr_audio_input_type;
+
+typedef struct {
+    char name[GSR_AUDIO_INPUT_NAME_MAX_SIZE];
+    gsr_audio_input_type type;
+    bool inverted;
+} gsr_audio_input;
+
+typedef struct {
+    char track_name[GSR_AUDIO_TRACK_NAME_MAX_SIZE];
+    bool has_custom_name;
+    gsr_audio_input *items;
+    size_t num_items;
+    size_t capacity_items;
+} gsr_merged_audio_inputs;
+
+typedef struct {
+    gsr_merged_audio_inputs *items;
+    size_t num_items;
+    size_t capacity_items;
+} gsr_audio_input_tracks;
+
+typedef struct {
+    char name[GSR_AUDIO_INPUT_NAME_MAX_SIZE];
+} gsr_app_audio_name;
+
+typedef struct {
+    gsr_app_audio_name *items;
+    size_t num_items;
+    size_t capacity_items;
+} gsr_app_audio_names;
+
+bool gsr_app_audio_names_add(gsr_app_audio_names *self, const char *name);
+void gsr_app_audio_names_deinit(gsr_app_audio_names *self);
+
+/* Returns a |gsr_error| value. Parses one -a option value, which may contain multiple audio inputs separated by | */
+int gsr_merged_audio_inputs_parse(gsr_merged_audio_inputs *self, const char *str);
+bool gsr_merged_audio_inputs_add(gsr_merged_audio_inputs *self, const gsr_audio_input *audio_input);
+void gsr_merged_audio_inputs_deinit(gsr_merged_audio_inputs *self);
+
+/* Returns a |gsr_error| value. Parses every -a option value and validates that the audio devices exist */
+int gsr_audio_input_tracks_parse(gsr_audio_input_tracks *self, const char **audio_input_args, int num_audio_input_args, const gsr_audio_devices *audio_devices);
+bool gsr_audio_input_tracks_add(gsr_audio_input_tracks *self, const gsr_merged_audio_inputs *merged_audio_inputs);
+void gsr_audio_input_tracks_deinit(gsr_audio_input_tracks *self);
+
+bool gsr_audio_inputs_has_app_audio(const gsr_merged_audio_inputs *self);
+bool gsr_audio_inputs_should_use_amix(const gsr_merged_audio_inputs *self);
+bool gsr_audio_input_tracks_has_app_audio(const gsr_audio_input_tracks *self);
+bool gsr_audio_input_tracks_should_use_amix(const gsr_audio_input_tracks *self);
+/* Returns a |gsr_error| value. Warns about application audio names that don't match any running application */
+int gsr_audio_input_tracks_validate_app_audio(const gsr_audio_input_tracks *self, const gsr_app_audio_names *app_audio_names);
+
+#endif /* GSR_RECORDER_AUDIO_INPUT_H */