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lavc/mediacodec_wrapper: allocate MediaCodec.BufferInfo once

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This commit is contained in:
Matthieu Bouron 2018-01-03 13:54:34 +01:00
parent d19174c673
commit e30b46b1ae
1 changed files with 34 additions and 27 deletions
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61
libavcodec/mediacodec_wrapper.c
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@ -274,6 +274,7 @@ struct FFAMediaCodec {
struct JNIAMediaCodecFields jfields;
jobject object;
jobject buffer_info;
jobject input_buffers;
jobject output_buffers;
@ -1143,6 +1144,7 @@ static inline FFAMediaCodec *codec_create(int method, const char *arg)
FFAMediaCodec *codec = NULL;
jstring jarg = NULL;
jobject object = NULL;
jobject buffer_info = NULL;
jmethodID create_id = NULL;
codec = av_mallocz(sizeof(FFAMediaCodec));
@ -1195,6 +1197,16 @@ static inline FFAMediaCodec *codec_create(int method, const char *arg)
codec->has_get_i_o_buffer = 1;
}
buffer_info = (*env)->NewObject(env, codec->jfields.mediainfo_class, codec->jfields.init_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
goto fail;
}
codec->buffer_info = (*env)->NewGlobalRef(env, buffer_info);
if (!codec->buffer_info) {
goto fail;
}
ret = 0;
fail:
if (jarg) {
@ -1205,10 +1217,19 @@ fail:
(*env)->DeleteLocalRef(env, object);
}
if (buffer_info) {
(*env)->DeleteLocalRef(env, buffer_info);
}
if (ret < 0) {
if (codec->object) {
(*env)->DeleteGlobalRef(env, codec->object);
}
if (codec->buffer_info) {
(*env)->DeleteGlobalRef(env, codec->buffer_info);
}
ff_jni_reset_jfields(env, &codec->jfields, jni_amediacodec_mapping, 1, codec);
av_freep(&codec);
}
@ -1246,6 +1267,9 @@ int ff_AMediaCodec_delete(FFAMediaCodec* codec)
(*env)->DeleteGlobalRef(env, codec->object);
codec->object = NULL;
(*env)->DeleteGlobalRef(env, codec->buffer_info);
codec->buffer_info = NULL;
ff_jni_reset_jfields(env, &codec->jfields, jni_amediacodec_mapping, 1, codec);
av_freep(&codec);
@ -1413,48 +1437,31 @@ ssize_t ff_AMediaCodec_dequeueOutputBuffer(FFAMediaCodec* codec, FFAMediaCodecBu
int ret = 0;
JNIEnv *env = NULL;
jobject mediainfo = NULL;
JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
mediainfo = (*env)->NewObject(env, codec->jfields.mediainfo_class, codec->jfields.init_id);
ret = (*env)->CallIntMethod(env, codec->object, codec->jfields.dequeue_output_buffer_id, codec->buffer_info, timeoutUs);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
return AVERROR_EXTERNAL;
}
ret = (*env)->CallIntMethod(env, codec->object, codec->jfields.dequeue_output_buffer_id, mediainfo, timeoutUs);
info->flags = (*env)->GetIntField(env, codec->buffer_info, codec->jfields.flags_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
return AVERROR_EXTERNAL;
}
info->flags = (*env)->GetIntField(env, mediainfo, codec->jfields.flags_id);
info->offset = (*env)->GetIntField(env, codec->buffer_info, codec->jfields.offset_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
return AVERROR_EXTERNAL;
}
info->offset = (*env)->GetIntField(env, mediainfo, codec->jfields.offset_id);
info->presentationTimeUs = (*env)->GetLongField(env, codec->buffer_info, codec->jfields.presentation_time_us_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
return AVERROR_EXTERNAL;
}
info->presentationTimeUs = (*env)->GetLongField(env, mediainfo, codec->jfields.presentation_time_us_id);
info->size = (*env)->GetIntField(env, codec->buffer_info, codec->jfields.size_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
info->size = (*env)->GetIntField(env, mediainfo, codec->jfields.size_id);
if (ff_jni_exception_check(env, 1, codec) < 0) {
ret = AVERROR_EXTERNAL;
goto fail;
}
fail:
if (mediainfo) {
(*env)->DeleteLocalRef(env, mediainfo);
return AVERROR_EXTERNAL;
}
return ret;