mirror/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch synced 2025-02-06 09:40:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

(audio_driver.c) More documentation

Browse Source
This commit is contained in:
twinaphex 2015-01-14 23:29:36 +01:00
parent a2b05d31b1
commit d3bf87f4d6
2 changed files with 23 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
audio/audio_driver.h
View File

@ -29,12 +29,25 @@ extern "C" {
typedef struct audio_driver typedef struct audio_driver
{ {
/* Creates and initializes handle to audio driver.
*
* Returns: audio driver handle on success, otherwise NULL.
**/
void *(*init)(const char *device, unsigned rate, unsigned latency); void *(*init)(const char *device, unsigned rate, unsigned latency);
/*
* @data : Pointer to audio data handle.
* @buf : Audio buffer data.
* @size : Size of audio buffer.
*
* Write samples to audio driver.
**/
ssize_t (*write)(void *data, const void *buf, size_t size); ssize_t (*write)(void *data, const void *buf, size_t size);
/* Stops driver. */
bool (*stop)(void *data); bool (*stop)(void *data);
/* Starts driver. */
bool (*start)(void *data); bool (*start)(void *data);
/* Is the audio driver currently running? */ /* Is the audio driver currently running? */
@ -43,6 +56,7 @@ typedef struct audio_driver
/* Should we care about blocking in audio thread? Fast forwarding. */ /* Should we care about blocking in audio thread? Fast forwarding. */
void (*set_nonblock_state)(void *data, bool toggle); void (*set_nonblock_state)(void *data, bool toggle);
/* Frees driver data. */
void (*free)(void *data); void (*free)(void *data);
/* Defines if driver will take standard floating point samples, /* Defines if driver will take standard floating point samples,

18
libretro_version_1.c
View File

@ -542,16 +542,16 @@ static inline void input_poll_overlay(void)
/* Map "analog" buttons to analog axes like regular input drivers do. */ /* Map "analog" buttons to analog axes like regular input drivers do. */
for (j = 0; j < 4; j++) for (j = 0; j < 4; j++)
{ {
if (!driver.overlay_state.analog[j]) unsigned bind_plus = RARCH_ANALOG_LEFT_X_PLUS + 2 * j;
{ unsigned bind_minus = bind_plus + 1;
unsigned bind_plus = RARCH_ANALOG_LEFT_X_PLUS + 2 * j;
unsigned bind_minus = bind_plus + 1;
if (driver.overlay_state.buttons & (1ULL << bind_plus)) if (driver.overlay_state.analog[j])
driver.overlay_state.analog[j] += 0x7fff; continue;
if (driver.overlay_state.buttons & (1ULL << bind_minus))
driver.overlay_state.analog[j] -= 0x7fff; if (driver.overlay_state.buttons & (1ULL << bind_plus))
} driver.overlay_state.analog[j] += 0x7fff;
if (driver.overlay_state.buttons & (1ULL << bind_minus))
driver.overlay_state.analog[j] -= 0x7fff;
} }
/* Check for analog_dpad_mode. /* Check for analog_dpad_mode.