Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/libfreerdp/codec/dsp.h

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Digital Sound Processing - backend
+ *
+ * Copyright 2018 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2018 Thincast Technologies GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FREERDP_LIB_CODEC_DSP_H
+#define FREERDP_LIB_CODEC_DSP_H
+
+#include <freerdp/api.h>
+#include <freerdp/codec/audio.h>
+#include <freerdp/codec/dsp.h>
+
+typedef struct
+{
+	ALIGN64 AUDIO_FORMAT format;
+	ALIGN64 BOOL encoder;
+	ALIGN64 wStream* buffer;
+	ALIGN64 wStream* resample;
+	ALIGN64 wStream* channelmix;
+#if defined(WITH_FDK_AAC)
+	ALIGN64 BOOL fdkSetup;
+	ALIGN64 void* fdkAacInstance;
+	ALIGN64 size_t buffersize;
+	ALIGN64 unsigned frames_per_packet;
+#endif
+} FREERDP_DSP_COMMON_CONTEXT;
+
+WINPR_ATTR_NODISCARD
+FREERDP_LOCAL BOOL freerdp_dsp_common_context_init(FREERDP_DSP_COMMON_CONTEXT* context,
+                                                   BOOL encode);
+
+FREERDP_LOCAL void freerdp_dsp_common_context_uninit(FREERDP_DSP_COMMON_CONTEXT* context);
+
+#endif /* FREERDP_LIB_CODEC_DSP_H */