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Diffstat (limited to 'media/libstagefright/codecs/aacenc/inc/aacenc_core.h')
| -rw-r--r-- | media/libstagefright/codecs/aacenc/inc/aacenc_core.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacenc/inc/aacenc_core.h b/media/libstagefright/codecs/aacenc/inc/aacenc_core.h new file mode 100644 index 0000000..faa1d20 --- /dev/null +++ b/media/libstagefright/codecs/aacenc/inc/aacenc_core.h @@ -0,0 +1,117 @@ +/*
+ ** Copyright 2003-2010, VisualOn, Inc.
+ **
+ ** 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.
+ */
+/*******************************************************************************
+ File: aacenc_core.h
+
+ Content: aac encoder interface functions
+
+*******************************************************************************/ + +#ifndef _aacenc_core_h_ +#define _aacenc_core_h_ + +
+#include "typedef.h" +#include "config.h"
+#include "bitenc.h"
+
+#include "psy_configuration.h"
+#include "psy_main.h"
+#include "qc_main.h"
+#include "psy_main.h"
+/*-------------------------- defines --------------------------------------*/ + + +/*-------------------- structure definitions ------------------------------*/ +typedef struct { + Word32 sampleRate; /* audio file sample rate */ + Word32 bitRate; /* encoder bit rate in bits/sec */ + Word16 nChannelsIn; /* number of channels on input (1,2) */ + Word16 nChannelsOut; /* number of channels on output (1,2) */ + Word16 bandWidth; /* targeted audio bandwidth in Hz */
+ Word16 adtsUsed; /* whether write adts header */ +} AACENC_CONFIG; +
+
+typedef struct {
+
+ AACENC_CONFIG config; /* Word16 size: 8 */
+
+ ELEMENT_INFO elInfo; /* Word16 size: 4 */
+
+ QC_STATE qcKernel; /* Word16 size: 6 + 5(PADDING) + 7(ELEMENT_BITS) + 54(ADJ_THR_STATE) = 72 */
+ QC_OUT qcOut; /* Word16 size: MAX_CHANNELS*920(QC_OUT_CHANNEL) + 5(QC_OUT_ELEMENT) + 7 = 932 / 1852 */
+
+ PSY_OUT psyOut; /* Word16 size: MAX_CHANNELS*186 + 2 = 188 / 374 */
+ PSY_KERNEL psyKernel; /* Word16 size: 2587 / 4491 */
+
+ struct BITSTREAMENCODER_INIT bseInit; /* Word16 size: 6 */
+ struct BIT_BUF bitStream; /* Word16 size: 8 */
+ HANDLE_BIT_BUF hBitStream;
+ int initOK;
+
+ short *intbuf;
+ short *encbuf;
+ short *inbuf;
+ int enclen;
+ int inlen;
+ int intlen;
+ int uselength;
+
+ void *hCheck;
+ VO_MEM_OPERATOR *voMemop;
+ VO_MEM_OPERATOR voMemoprator;
+
+}AAC_ENCODER; /* Word16 size: 3809 / 6851 */
+
+/*----------------------------------------------------------------------------- + +functionname: AacInitDefaultConfig +description: gives reasonable default configuration +returns: --- + +------------------------------------------------------------------------------*/ +void AacInitDefaultConfig(AACENC_CONFIG *config); + +/*--------------------------------------------------------------------------- + +functionname:AacEncOpen +description: allocate and initialize a new encoder instance +returns: AACENC_OK if success + +---------------------------------------------------------------------------*/ + +Word16 AacEncOpen (AAC_ENCODER *hAacEnc, /* pointer to an encoder handle, initialized on return */ + const AACENC_CONFIG config); /* pre-initialized config struct */ + +Word16 AacEncEncode(AAC_ENCODER *hAacEnc, + Word16 *timeSignal, + const UWord8 *ancBytes, /*!< pointer to ancillary data bytes */ + Word16 *numAncBytes, /*!< number of ancillary Data Bytes, send as fill element */ + UWord8 *outBytes, /*!< pointer to output buffer */ + Word32 *numOutBytes /*!< number of bytes in output buffer */ + ); + +/*--------------------------------------------------------------------------- + +functionname:AacEncClose +description: deallocate an encoder instance + +---------------------------------------------------------------------------*/ + +void AacEncClose (AAC_ENCODER* hAacEnc, VO_MEM_OPERATOR *pMemOP); /* an encoder handle */ + +#endif /* _aacenc_h_ */ |