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/* ------------------------------------------------------------------
* Copyright (C) 2010 Martin Storsjo
*
* 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.
* -------------------------------------------------------------------
*/
#include "enc_if.h"
#include <stdlib.h>
#include <voAMRWB.h>
#include <cmnMemory.h>
struct encoder_state {
VO_AUDIO_CODECAPI audioApi;
VO_HANDLE handle;
VO_MEM_OPERATOR memOperator;
VO_CODEC_INIT_USERDATA userData;
};
void* E_IF_init(void) {
struct encoder_state* state = (struct encoder_state*) malloc(sizeof(struct encoder_state));
int frameType = VOAMRWB_RFC3267;
voGetAMRWBEncAPI(&state->audioApi);
state->memOperator.Alloc = cmnMemAlloc;
state->memOperator.Copy = cmnMemCopy;
state->memOperator.Free = cmnMemFree;
state->memOperator.Set = cmnMemSet;
state->memOperator.Check = cmnMemCheck;
state->userData.memflag = VO_IMF_USERMEMOPERATOR;
state->userData.memData = (VO_PTR)&state->memOperator;
state->audioApi.Init(&state->handle, VO_AUDIO_CodingAMRWB, &state->userData);
state->audioApi.SetParam(state->handle, VO_PID_AMRWB_FRAMETYPE, &frameType);
return state;
}
void E_IF_exit(void* s) {
struct encoder_state* state = (struct encoder_state*) s;
state->audioApi.Uninit(state->handle);
free(state);
}
int E_IF_encode(void* s, int mode, const short* speech, unsigned char* out, int dtx) {
VO_CODECBUFFER inData, outData;
VO_AUDIO_OUTPUTINFO outFormat;
struct encoder_state* state = (struct encoder_state*) s;
state->audioApi.SetParam(state->handle, VO_PID_AMRWB_MODE, &mode);
state->audioApi.SetParam(state->handle, VO_PID_AMRWB_DTX, &dtx);
inData.Buffer = (unsigned char*) speech;
inData.Length = 640;
outData.Buffer = out;
state->audioApi.SetInputData(state->handle, &inData);
state->audioApi.GetOutputData(state->handle, &outData, &outFormat);
return outData.Length;
}
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