aaudio: Try to select a more-useful microphone for recording.

Fixes #13402.
This commit is contained in:
Ryan C. Gordon
2025-07-23 22:38:28 -04:00
parent acb3b0b4be
commit f5a0222a8e
2 changed files with 19 additions and 3 deletions

View File

@@ -65,11 +65,16 @@ static bool AAUDIO_LoadFunctions(AAUDIO_Data *data)
{
#define SDL_PROC(ret, func, params) \
do { \
data->func = (ret (*) params)SDL_LoadFunction(data->handle, #func); \
if (!data->func) { \
data->func = (ret (*) params)SDL_LoadFunction(data->handle, #func); \
if (!data->func) { \
return SDL_SetError("Couldn't load AAUDIO function %s: %s", #func, SDL_GetError()); \
} \
} while (0);
#define SDL_PROC_OPTIONAL(ret, func, params) \
do { \
data->func = (ret (*) params)SDL_LoadFunction(data->handle, #func); /* if it fails, okay. */ \
} while (0);
#include "SDL_aaudiofuncs.h"
return true;
}
@@ -327,6 +332,12 @@ static bool BuildAAudioStream(SDL_AudioDevice *device)
SDL_Log("Low latency audio disabled");
}
if (recording && ctx.AAudioStreamBuilder_setInputPreset) { // optional API: requires Android 28
// try to use a microphone that is for recording external audio. Otherwise Android might choose the mic used for talking
// on the telephone when held to the user's ear, which is often not useful at any distance from the device.
ctx.AAudioStreamBuilder_setInputPreset(builder, AAUDIO_INPUT_PRESET_CAMCORDER);
}
LOGI("AAudio Try to open %u hz %s %u channels samples %u",
device->spec.freq, SDL_GetAudioFormatName(device->spec.format),
device->spec.channels, device->sample_frames);

View File

@@ -19,6 +19,10 @@
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_PROC_OPTIONAL(ret, func, params)
#define SDL_PROC_OPTIONAL(ret, func, params) SDL_PROC(ret, func, params)
#endif
#define SDL_PROC_UNUSED(ret, func, params)
SDL_PROC(const char *, AAudio_convertResultToText, (aaudio_result_t returnCode))
@@ -35,7 +39,7 @@ SDL_PROC(void, AAudioStreamBuilder_setBufferCapacityInFrames, (AAudioStreamBuild
SDL_PROC(void, AAudioStreamBuilder_setPerformanceMode, (AAudioStreamBuilder * builder, aaudio_performance_mode_t mode))
SDL_PROC_UNUSED(void, AAudioStreamBuilder_setUsage, (AAudioStreamBuilder * builder, aaudio_usage_t usage)) // API 28
SDL_PROC_UNUSED(void, AAudioStreamBuilder_setContentType, (AAudioStreamBuilder * builder, aaudio_content_type_t contentType)) // API 28
SDL_PROC_UNUSED(void, AAudioStreamBuilder_setInputPreset, (AAudioStreamBuilder * builder, aaudio_input_preset_t inputPreset)) // API 28
SDL_PROC_OPTIONAL(void, AAudioStreamBuilder_setInputPreset, (AAudioStreamBuilder * builder, aaudio_input_preset_t inputPreset)) // API 28
SDL_PROC_UNUSED(void, AAudioStreamBuilder_setAllowedCapturePolicy, (AAudioStreamBuilder * builder, aaudio_allowed_capture_policy_t capturePolicy)) // API 29
SDL_PROC_UNUSED(void, AAudioStreamBuilder_setSessionId, (AAudioStreamBuilder * builder, aaudio_session_id_t sessionId)) // API 28
SDL_PROC_UNUSED(void, AAudioStreamBuilder_setPrivacySensitive, (AAudioStreamBuilder * builder, bool privacySensitive)) // API 30
@@ -80,3 +84,4 @@ SDL_PROC_UNUSED(bool, AAudioStream_isPrivacySensitive, (AAudioStream * stream))
#undef SDL_PROC
#undef SDL_PROC_UNUSED
#undef SDL_PROC_OPTIONAL