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      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 /**
     19  * @file pvmf_audio_encnode_extension.h
     20  */
     21 
     22 #ifndef PVMF_AUDIO_ENCNODE_EXTENSION_H_INCLUDED
     23 #define PVMF_AUDIO_ENCNODE_EXTENSION_H_INCLUDED
     24 
     25 #ifndef OSCL_BASE_H_INCLUDED
     26 #include "oscl_base.h"
     27 #endif
     28 #ifndef OSCL_STRING_H_INCLUDED
     29 #include "oscl_string.h"
     30 #endif
     31 #ifndef PV_UUID_H_INCLUDED
     32 #include "pv_uuid.h"
     33 #endif
     34 #ifndef PV_INTERFACE_H_INCLUDED
     35 #include "pv_interface.h"
     36 #endif
     37 
     38 
     39 // The AMR enc node interface was modified to audio enc node interface
     40 //#define PVAMREncExtensionUUID PVUuid(0xd282cc91,0x54a6,0x4f36,0xbc,0x5b,0x2d,0xab,0xb4,0x40,0x69,0x26)
     41 
     42 #define PVAudioEncExtensionUUID PVUuid(0xd282cc91,0x54a6,0x4f36,0xbc,0x5b,0x2d,0xab,0xb4,0x40,0x69,0x27)
     43 
     44 typedef enum
     45 {
     46     GSM_AMR_4_75 = 0, // AMR NB bitrates i.e. modes start here
     47     GSM_AMR_5_15,
     48     GSM_AMR_5_90,
     49     GSM_AMR_6_70,
     50     GSM_AMR_7_40,
     51     GSM_AMR_7_95,
     52     GSM_AMR_10_2,
     53     GSM_AMR_12_2,  // AMR NB bitrates end
     54     GSM_AMR_6_60, // AMR WB bitrates start here
     55     GSM_AMR_8_85,
     56     GSM_AMR_12_65,
     57     GSM_AMR_14_25,
     58     GSM_AMR_15_85,
     59     GSM_AMR_18_25,
     60     GSM_AMR_19_85,
     61     GSM_AMR_23_05,
     62     GSM_AMR_23_85, // AMR WB bitrates end here
     63     GSM_AMR_DTX,
     64     GSM_AMR_N_MODES      /* number of (SPC) modes */
     65 } PVMF_GSMAMR_Rate;
     66 
     67 
     68 ////////////////////////////////////////////////////////////////////////////
     69 class PVAudioEncExtensionInterface : public PVInterface
     70 {
     71     public:
     72         /** Increment reference counter for this interface. */
     73         virtual void addRef() = 0;
     74 
     75         /** Decrement reference counter for this interface. */
     76         virtual void removeRef() = 0;
     77 
     78         /**
     79          * Query for a pointer to an instance of the interface specified by the UUID.
     80          *
     81          * @param uuid UUID of the interface to be queried.
     82          * @param iface Output parameter where a pointer to an instance of the requested
     83          * interface is stored if the interface is supported.
     84          * @return true if successful, else false.
     85          */
     86         virtual bool queryInterface(const PVUuid& uuid, PVInterface*& iface) = 0;
     87 
     88         /**
     89          * Sets the bitrate of encoded output.
     90          * @param aBitRate Bitrate in bits per second.
     91          * @return PVMFSuccess if successful, else see PVMF return code.
     92          */
     93         virtual PVMFStatus SetOutputBitRate(uint32 aBitRate) = 0;
     94 
     95         /**
     96          * Sets the number of channels of encoded output (default to source num channel).
     97          * @param aNumChannel Number of channels.
     98          * @return PVMFSuccess if successful, else see PVMF return code.
     99          */
    100         virtual PVMFStatus SetOutputNumChannel(uint32 aNumChannel) = 0;
    101 
    102         /**
    103          * Sets the sampling of encoded output (default equal source sampling rate).
    104          * @param aSamplingRate Sampling rate in Hz.
    105          * @return PVMFSuccess if successful, else see PVMF return code.
    106          */
    107         virtual PVMFStatus SetOutputSamplingRate(uint32 aSamplingRate) = 0;
    108 
    109         //// From AMREncExtensionInterface
    110         /**
    111          * Sets the bitrate of encoded output.
    112          * @param aBitRate Bitrate in bits per second.
    113          * @return PVMFSuccess if successful, else see PVMF return code.
    114          */
    115         virtual PVMFStatus SetOutputBitRate(PVMF_GSMAMR_Rate aBitRate) = 0;
    116 
    117         /**
    118          * Sets the maximum number of output frames per media buffer
    119          * @param aNumOutputFrames, maximum number of output frames
    120          * @return PVMFSuccess if successful, else see PVMF return code.
    121          */
    122         virtual PVMFStatus SetMaxNumOutputFramesPerBuffer(uint32 aNumOutputFrames) = 0;
    123 };
    124 
    125 #endif // PVMF_AUDIO_ENCNODE_EXTENSION_H_INCLUDED
    126 
    127 
    128 
    129 
    130 
    131