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Add more AudioTrack APIs needed for exoplayer.

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Also fix compiler warnings
This commit is contained in:
Julian Winkler
2023-10-08 16:16:36 +02:00
parent b340032e9f
commit f4251af2a2
3 changed files with 64 additions and 17 deletions
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16
src/api-impl-jni/audio/android_media_AudioTrack.c
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@@ -42,8 +42,8 @@ JNIEXPORT void JNICALL Java_android_media_AudioTrack_native_1constructor(JNIEnv
snd_pcm_t *pcm_handle;
snd_pcm_hw_params_t *params;
jint channels_out;
jint period_time;
unsigned int channels_out;
unsigned int period_time;
int ret;
@@ -158,7 +158,7 @@ JNIEXPORT jint JNICALL Java_android_media_AudioTrack_getMinBufferSize(JNIEnv *en
if((*env)->ExceptionCheck(env))
(*env)->ExceptionDescribe(env);
printf("\n\nJava_android_media_AudioTrack_getMinBufferSize is returning: %d\n\n\n", frames * num_channels * 2);
printf("\n\nJava_android_media_AudioTrack_getMinBufferSize is returning: %ld\n\n\n", frames * num_channels * 2);
return frames * num_channels * 2; // FIXME: 2 bytes = 16 bits (s16)
}
@@ -197,11 +197,8 @@ void periodic_update_callback(snd_async_handler_t *pcm_callback)
// return G_SOURCE_REMOVE;
}
JNIEXPORT void JNICALL Java_android_media_AudioTrack_play(JNIEnv *env, jobject this)
JNIEXPORT void JNICALL Java_android_media_AudioTrack_native_1play(JNIEnv *env, jobject this)
{
pthread_t periodic_notification_thread;
int ret;
jint period_time = _GET_INT_FIELD(this, "period_time");
// FIXME - this callback should probably be set up elsewhere
@@ -229,17 +226,15 @@ JNIEXPORT void JNICALL Java_android_media_AudioTrack_play(JNIEnv *env, jobject t
/*--↑*/
}
JNIEXPORT jint JNICALL Java_android_media_AudioTrack_write(JNIEnv *env, jobject this, jbyteArray audioData, jint offsetInBytes, jint sizeInBytes)
JNIEXPORT jint JNICALL Java_android_media_AudioTrack_native_1write(JNIEnv *env, jobject this, jbyteArray audioData, jint offsetInBytes, jint frames_to_write)
{
int ret;
if(!PCM_DEVICE)
return 0; // STUB
jint channels = _GET_INT_FIELD(this, "channels");
snd_pcm_t *pcm_handle = _PTR(_GET_LONG_FIELD(this, "pcm_handle"));
snd_pcm_sframes_t frames_to_write = sizeInBytes / channels / 2; // FIXME - 2 means PCM16
snd_pcm_sframes_t frames_written;
jbyte *buffer = _GET_BYTE_ARRAY_ELEMENTS(audioData);
@@ -257,4 +252,5 @@ JNIEXPORT jint JNICALL Java_android_media_AudioTrack_write(JNIEnv *env, jobject
// printf("::::> tried to write %d frames, actually wrote %d frames.\n", frames_to_write, frames_written);
_RELEASE_BYTE_ARRAY_ELEMENTS(audioData, buffer);
return frames_written;
}