ti_plugins/davinci/src/gstgdecoder.h

   1 /*
   2  * Plugin Name : gstgdecoder.h
   3  * Description : Header file for Video Decoder for for TI Davinci DM644x
   4  *
   5  * Copyright (C) 2007 Texas Instruments, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU Lesser General Public License as published
   9  * by the Free Software Foundation version 2.1 of the License.
  10  *
  11  * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
  12  * whether express or implied; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  */
  16 #ifndef __GST_GDECODER_H__
  17 #define __GST_GDECODER_H__
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <stdlib.h>
  26
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <unistd.h>
  30 #include <pthread.h>
  31 #include <getopt.h>
  32 #include <errno.h>
  33 #include <glib.h>
  34 #include <gst/gst.h>
  35 #include <gst/base/gstadapter.h>
  36
  37   //#define DEBUG_OUT
  38 #define         IDMA3_USEFULLPACKAGEPATH
  39 #define         MdUns           UInt16
  40 #define         SmUns           UInt8
  41
  42 #include <xdc/std.h>
  43 #include <ti/sdo/ce/video/viddec.h>
  44 #include <ti/sdo/ce/CERuntime.h>
  45 #include <ti/sdo/ce/Engine.h>
  46 #include <ti/sdo/ce/trace/gt.h>
  47 #include <ti/sdo/ce/osal/Memory.h>
  48 #include <ti/sdo/fc/acpy3/idma3.h>
  49
  50 #include <ti/sdo/ivc1dec.h>
  51
  52 #define CLOCK_BASE 9LL
  53 #define CLOCK_FREQ CLOCK_BASE * 10000
  54
  55 #define MPEGTIME_TO_GSTTIME(time) (((time) * (GST_MSECOND/10)) / CLOCK_BASE)
  56 #define GSTTIME_TO_MPEGTIME(time) (((time) * CLOCK_BASE) / (GST_MSECOND/10))
  57
  58 #define         MAX_FRAME_WIDTH         720
  59 #define         MAX_FRAME_HEIGHT        480
  60 #define    PREROLL_TIME 180000000
  61 #define   FRAME_DURATION 33366666       //We can't hardcode this, get it from demuxer
  62
  63 #define    GDECODER_INIT_STATE                        0
  64 #define    GDECODER_PROCESS_STATE               1
  65
  66   /* Begin Declaration */
  67 G_BEGIN_DECLS
  68
  69 #define GST_TYPE_GDECODER                       (gst_gdecoder_get_type())
  70 #define GST_TYPE_GDECODER_ENGINE                (gst_gdecoder_get_engine_type())
  71 #define GST_TYPE_GDECODER_CODEC                 (gst_gdecoder_get_codec_type())
  72 #define GST_GDECODER(obj)                       (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GDECODER,GstGDecoder))
  73 #define GST_GDECODER_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GDECODER,GstGDecoderClass))
  74 #define GST_GDECODER_GET_CLASS(klass)   (G_TYPE_INSTANCE_GET_CLASS((klass),GST_TYPE_GDECODER,GstGDecoderClass))
  75 #define GST_IS_GDECODER(obj)                (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GDECODER))
  76 #define GST_IS_GDECODER_CLASS(obj)              (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GDECODER))
  77
  78 typedef struct _GstGDecoder GstGDecoder;
  79 typedef struct _GstGDecoderClass GstGDecoderClass;
  80
  81 struct _GstGDecoder {
  82   GstElement parent;
  83
  84   GstPad *sinkpad;
  85   GstPad *srcpad;
  86
  87   gboolean decReady;
  88   guint8 codec;
  89   guint8 engine;
  90
  91   gboolean isCodecPropSet;
  92   guint64 pts32;
  93   gboolean bit33;
  94
  95   XDAS_Int8 *outbuf;
  96   XDAS_Int8 *inbuf;
  97   XDM_BufDesc outBufDesc;
  98   XDM_BufDesc inBufDesc;
  99   guint32 readOffset;     //File read offset
 100   XDAS_Int32 inBufSize;   //For free
 101   guint32 curInBufStartOffset;
 102   guint64 ptsNoDemux;
 103   guint32 state;
 104   void *decoder;
 105   Engine_Handle ce;
 106   GstSegment segment;
 107   GstBuffer *srcbuf;
 108   gboolean streaming;
 109   guint32 width;
 110   guint32 height;
 111   GSList *inbuf_pool;
 112   GSList *displaybuf_pool;
 113   guint64 lastdispts;
 114   gboolean isRcv;
 115   gboolean isEof;
 116   GMutex *pool_lock;
 117   GMutex *inbuf_lock;
 118   guint64 bytesConsumed;
 119   gboolean onlyonce;
 120   guint32  preroll_buflen;
 121
 122   gboolean enable_processing;
 123   GMutex *process_lock;
 124 };
 125
 126 struct _GstGDecoderClass {
 127   GstElementClass parent_class;
 128   GstPadTemplate *sink_template;
 129   GstPadTemplate *src_template;
 130 };
 131
 132 GType gst_gdecoder_get_type(void);
 133 gboolean gst_gdecoder_plugin_init(GstPlugin * plugin);
 134 static void gst_gdecoder_base_init(GstGDecoderClass * klass);
 135 static void gst_gdecoder_class_init(GstGDecoderClass * klass);
 136 static void gst_gdecoder_init(GstGDecoder * gdecoder);
 137 static GstFlowReturn gst_gdecoder_chain(GstPad * pad,GstBuffer * buffer);
 138 static GstStateChangeReturn gst_gdecoder_change_state(GstElement *
 139                                                   element,
 140                                                   GstStateChange
 141                                                   transition);
 142
 143 static gboolean gst_gdecoder_decoder_initialize(GstGDecoder *
 144                                            gdecoder);
 145 static GstCaps *gst_gdecoder_sink_getcaps(GstPad * pad);
 146 static gboolean gst_gdecoder_sink_setcaps(GstPad * pad,
 147                                     GstCaps * caps);
 148
 149 static gboolean gst_gdecoder_src_event(GstPad * pad, GstEvent * event);
 150 static gboolean gst_gdecoder_sink_event(GstPad * pad,
 151                                     GstEvent * event);
 152
 153 static gboolean gst_gdecoder_sink_activate(GstPad * sinkpad);
 154 static gboolean gst_gdecoder_sink_activate_pull(GstPad * sinkpad,
 155                                             gboolean active);
 156 static void gst_gdecoder_loop(GstPad * pad);
 157 static void gst_gdecoder_set_property(GObject * object, guint prop_id,
 158                                   const GValue * value,
 159                                   GParamSpec * pspec);
 160 static gboolean gst_gdecoder_open_engine(GstGDecoder * gdecoder);
 161 void gst_gdecoder_reset(GstGDecoder * gdecoder);
 162 void gst_gdecoder_cleanup(GstGDecoder * gdecoder);
 163
 164 G_END_DECLS
 165
 166 #endif                          /* __GST_GDECODER_H__ */
 167