# endif
# endif
# else
-# if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__CELLOS_LV2__)
+# if defined(__GNUC__) && __GNUC__ >= 4
# define RETRO_API RETRO_CALLCONV __attribute__((__visibility__("default")))
# else
# define RETRO_API RETRO_CALLCONV
RETRO_LANGUAGE_GREEK = 17,
RETRO_LANGUAGE_TURKISH = 18,
RETRO_LANGUAGE_SLOVAK = 19,
+ RETRO_LANGUAGE_PERSIAN = 20,
+ RETRO_LANGUAGE_HEBREW = 21,
+ RETRO_LANGUAGE_ASTURIAN = 22,
+ RETRO_LANGUAGE_FINNISH = 23,
RETRO_LANGUAGE_LAST,
/* Ensure sizeof(enum) == sizeof(int) */
* state of rumble motors in controllers.
* A strong and weak motor is supported, and they can be
* controlled indepedently.
+ * Should be called from either retro_init() or retro_load_game().
+ * Should not be called from retro_set_environment().
+ * Returns false if rumble functionality is unavailable.
*/
#define RETRO_ENVIRONMENT_GET_INPUT_DEVICE_CAPABILITIES 24
/* uint64_t * --
* fallback, stderr).
*/
+#define RETRO_ENVIRONMENT_GET_INPUT_MAX_USERS 61
+ /* unsigned * --
+ * Unsigned value is the number of active input devices
+ * provided by the frontend. This may change between
+ * frames, but will remain constant for the duration
+ * of each frame.
+ * If callback returns true, a core need not poll any
+ * input device with an index greater than or equal to
+ * the number of active devices.
+ * If callback returns false, the number of active input
+ * devices is unknown. In this case, all input devices
+ * should be considered active.
+ */
+
+#define RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK 62
+ /* const struct retro_audio_buffer_status_callback * --
+ * Lets the core know the occupancy level of the frontend
+ * audio buffer. Can be used by a core to attempt frame
+ * skipping in order to avoid buffer under-runs.
+ * A core may pass NULL to disable buffer status reporting
+ * in the frontend.
+ */
+
+#define RETRO_ENVIRONMENT_SET_MINIMUM_AUDIO_LATENCY 63
+ /* const unsigned * --
+ * Sets minimum frontend audio latency in milliseconds.
+ * Resultant audio latency may be larger than set value,
+ * or smaller if a hardware limit is encountered. A frontend
+ * is expected to honour requests up to 512 ms.
+ *
+ * - If value is less than current frontend
+ * audio latency, callback has no effect
+ * - If value is zero, default frontend audio
+ * latency is set
+ *
+ * May be used by a core to increase audio latency and
+ * therefore decrease the probability of buffer under-runs
+ * (crackling) when performing 'intensive' operations.
+ * A core utilising RETRO_ENVIRONMENT_SET_AUDIO_BUFFER_STATUS_CALLBACK
+ * to implement audio-buffer-based frame skipping may achieve
+ * optimal results by setting the audio latency to a 'high'
+ * (typically 6x or 8x) integer multiple of the expected
+ * frame time.
+ *
+ * WARNING: This can only be called from within retro_run().
+ * Calling this can require a full reinitialization of audio
+ * drivers in the frontend, so it is important to call it very
+ * sparingly, and usually only with the users explicit consent.
+ * An eventual driver reinitialize will happen so that audio
+ * callbacks happening after this call within the same retro_run()
+ * call will target the newly initialized driver.
+ */
+
/* VFS functionality */
/* File paths:
retro_usec_t reference;
};
+/* Notifies a libretro core of the current occupancy
+ * level of the frontend audio buffer.
+ *
+ * - active: 'true' if audio buffer is currently
+ * in use. Will be 'false' if audio is
+ * disabled in the frontend
+ *
+ * - occupancy: Given as a value in the range [0,100],
+ * corresponding to the occupancy percentage
+ * of the audio buffer
+ *
+ * - underrun_likely: 'true' if the frontend expects an
+ * audio buffer underrun during the
+ * next frame (indicates that a core
+ * should attempt frame skipping)
+ *
+ * It will be called right before retro_run() every frame. */
+typedef void (RETRO_CALLCONV *retro_audio_buffer_status_callback_t)(
+ bool active, unsigned occupancy, bool underrun_likely);
+struct retro_audio_buffer_status_callback
+{
+ retro_audio_buffer_status_callback_t callback;
+};
+
/* Pass this to retro_video_refresh_t if rendering to hardware.
* Passing NULL to retro_video_refresh_t is still a frame dupe as normal.
* */
struct retro_system_info
{
/* All pointers are owned by libretro implementation, and pointers must
- * remain valid until retro_deinit() is called. */
+ * remain valid until it is unloaded. */
const char *library_name; /* Descriptive name of library. Should not
* contain any version numbers, etc. */
notaz.gp2x.de / pcsx_rearmed.git / blobdiff