khronosfws/openmax_al/src/gst_adaptation/xaadaptationgst.h
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14:80975da52420 19:4a629bc82c5e
       
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 *
       
    16 */
       
    17 
       
    18 #ifndef XAADAPTATIONGST_H_
       
    19 #define XAADAPTATIONGST_H_
       
    20 
       
    21 #include <pthread.h>
       
    22 #include <semaphore.h>
       
    23 #include <string.h>
       
    24 #include <unistd.h>
       
    25 #include "openmaxalwrapper.h"
       
    26 #include "xaglobals.h"
       
    27 #include <gst.h>
       
    28 #include <gstappsrc.h>
       
    29 #include <gstappsink.h>
       
    30 #include <gstappbuffer.h>
       
    31 #include "xaplatform.h"
       
    32 #include "xaadptbasectx.h"
       
    33 #include <stdlib.h>
       
    34 
       
    35 #ifdef XA_IMPL_MEASURE_GST_DELAY
       
    36 #include <time.h>
       
    37 #endif /* XA_IMPL_MEASURE_GST_DELAY */
       
    38 
       
    39 /* MACROS */
       
    40 #define FLIP_NONE               0
       
    41 #define FLIP_CLOCKWISE          1 /* Rotate clockwise 90 degrees */
       
    42 #define FLIP_ROTATE_180         2 /* Rotate 180 degrees */
       
    43 #define FLIP_COUNTERCLOCKWISE   3 /* Rotate counter-clockwise 90 degrees */
       
    44 #define FLIP_HORIZONTAL         4 /* Flip image horizontally */
       
    45 #define FLIP_VERTICAL           5 /* Flip image vertically */
       
    46 
       
    47 /* TYPEDEFS */
       
    48 typedef gboolean (*GstBusCb)( GstBus *bus, GstMessage *message, gpointer data );
       
    49 
       
    50 #define CONTENT_PIPE_BUFFER_SIZE 1000
       
    51 #define TEST_VIDEO_WIDTH     640
       
    52 #define TEST_VIDEO_HEIGHT    480
       
    53 
       
    54 /*typedef enum
       
    55 {
       
    56     XA_AUDIO_WAVENC = 0,
       
    57     XA_AUDIO_VORBISENC,
       
    58     XA_AUDIO_PCM,
       
    59     XA_NUM_OF_AUDIOENCODERS  Do not move this line 
       
    60 } XAAudioEnc;*/
       
    61 
       
    62 /*typedef enum
       
    63 {
       
    64     XA_VIDEO_JPEGENC = 0,
       
    65     XA_VIDEO_THEORAENC,
       
    66     XA_NUM_OF_VIDEOENCODERS  Do not move this line 
       
    67 } XAVideoEnc;*/
       
    68 
       
    69 /*typedef enum CP_STATE
       
    70 {
       
    71 	CPStateNull =0,
       
    72 	CPStateInitialized,
       
    73 	CPStatePrerolling,
       
    74 	CPStateStarted,
       
    75 	CPStateRunning,
       
    76 	CPStatePaused,
       
    77 	CPStateStopped,
       
    78 	CPStateWaitForData,
       
    79 	CPStateEOS,
       
    80 	CPStateError
       
    81 }CP_STATE;*/
       
    82 
       
    83 /*typedef enum
       
    84 {
       
    85     XA_IMAGE_JPEGENC = 0,
       
    86     XA_IMAGE_RAW,
       
    87     XA_NUM_OF_IMAGEENCODERS  Do not move this line 
       
    88 } XAImageEnc;*/
       
    89 
       
    90 
       
    91 /* STRUCTURES */
       
    92 
       
    93 /* Forward declaration of adaptation basecontext */
       
    94 typedef struct XAAdaptationGstCtx_ XAAdaptationGstCtx;
       
    95 
       
    96 /*
       
    97  * Structure that holds all common variables for every
       
    98  * Gst-Adaptation context structures.
       
    99  */
       
   100 typedef struct XAAdaptationGstCtx_
       
   101 {
       
   102     /* Common Variables for all adaptation elements */
       
   103     XAAdaptationBaseCtx baseObj;
       
   104 
       
   105     GstState        binWantedState;   /** requested gst-bin target state **/
       
   106     GstElement      *bin;       /** Container for all gst elements **/
       
   107 
       
   108     GstBus          *bus;       /** Gst-bus where gst sends messages **/
       
   109     GMainLoop       *busloop;       /** Gst-bus listener loop **/
       
   110     pthread_t       busloopThr;
       
   111     GstBusCb        busCb;      /** Gst-Bus callback funtion*/
       
   112 
       
   113     XAboolean       waitingasyncop;
       
   114     sem_t           semAsyncWait;
       
   115     guint           asynctimer;
       
   116 
       
   117 #ifdef XA_IMPL_MEASURE_GST_DELAY
       
   118     clock_t     startTime;
       
   119     clock_t     endTime;
       
   120     double      diff;
       
   121 #endif /*XA_IMPL_MEASURE_GST_DELAY*/
       
   122 
       
   123     XAboolean thread_launched;
       
   124     pthread_mutex_t ds_mutex;
       
   125     pthread_cond_t ds_condition;
       
   126     XAboolean cond_mutx_inited;
       
   127     /* FUNCTIONS*/
       
   128 
       
   129 } XAAdaptationGstCtx_;
       
   130 
       
   131 /* FUNCTIONS */
       
   132 /*
       
   133  * gboolean XAAdaptationBase_GstBusCb( GstBus *bus, GstMessage *message, gpointer data );
       
   134  * Default CallBack handler for gst-bus messages. This will be called if object specific callback is
       
   135  * not implemented.
       
   136  */
       
   137  
       
   138 XAresult XAAdaptationGst_Init( XAAdaptationGstCtx* pSelf, XAuint32 ctxId );
       
   139 XAresult XAAdaptationGst_PostInit( XAAdaptationGstCtx* ctx );
       
   140 void XAAdaptationGst_Free( XAAdaptationGstCtx* ctx );
       
   141 
       
   142  
       
   143 gboolean XAAdaptationGst_GstBusCb( GstBus *bus, GstMessage *message, gpointer data );
       
   144 
       
   145 XAresult XAAdaptationGst_InitGstListener(XAAdaptationGstCtx* ctx);
       
   146 void* XAAdaptationGst_LaunchGstListener(void* args);
       
   147 void XAAdaptationGst_StopGstListener(XAAdaptationGstCtx* ctx);
       
   148 
       
   149 void XAAdaptationGst_PrepareAsyncWait(XAAdaptationGstCtx* ctx);
       
   150 void XAAdaptationGst_StartAsyncWait(XAAdaptationGstCtx* ctx);
       
   151 gboolean XAAdaptationGst_CancelAsyncWait(gpointer ctx);
       
   152 void XAAdaptationGst_CompleteAsyncWait(XAAdaptationGstCtx* ctx);
       
   153 
       
   154 GstElement* XAAdaptationGst_CreateGstSource( XADataSource* xaSrc, const char *name, XAboolean *isobj, XAboolean *isPCM, XAboolean *isRawImage );
       
   155 GstElement* XAAdaptationGst_CreateGstSink( XADataSink* xaSrc, const char *name, XAboolean *isobj );
       
   156 GstElement* XAAdaptationGst_CreateVideoPP(void);
       
   157 
       
   158 GstElement* XAAdaptationGst_CreateVideoPPBlackScr(void);
       
   159 GstElement* XAAdaptationGst_CreateInputSelector(void);
       
   160 GstElement* XAAdaptationGst_CreateAudioPP(void);
       
   161 void XAAdaptationGst_PadBlockCb(GstPad *pad, gboolean blocked, gpointer user_data);
       
   162 void XAAdaptationGst_SetAllCaps (GstCaps * caps, char *field, ...);
       
   163 
       
   164 
       
   165 
       
   166 /*XAresult XAMetadataAdapt_TryWriteTags(XAAdaptationGstCtx* mCtx, GstBin* binToWriteTo);*/
       
   167 
       
   168 #endif /* XAADAPTATIONGST_H_ */