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revision 1.1, Fri Mar 8 02:44:30 2002 UTC revision 1.5, Sun Feb 9 19:32:52 2003 UTC
# Line 2  Line 2 
2  #define _DIVX4_H_  #define _DIVX4_H_
3    
4  #ifdef __cplusplus  #ifdef __cplusplus
5  extern "C" {  extern "C"
6  #endif  {
   
 #if ((! defined(ARCH_IS_BIG_ENDIAN)) && (! defined (WIN32)) && (! defined (LINUX)) )  
 #define ARCH_IS_BIG_ENDIAN  
7  #endif  #endif
8    
   
9  /*********************************************************************************  /*********************************************************************************
10   * Decoder part                                                                  *   * Decoder part                                                                  *
11   *********************************************************************************/   *********************************************************************************/
# Line 61  Line 57 
57          void *v;          void *v;
58          int stride_y;          int stride_y;
59          int stride_uv;          int stride_uv;
60  } DEC_PICTURE;          }
61            DEC_PICTURE;
62    
63  typedef struct  typedef struct
64  {  {
# Line 73  Line 70 
70          unsigned long mp4_tables_size;          unsigned long mp4_tables_size;
71          unsigned long mp4_stream_size;          unsigned long mp4_stream_size;
72          unsigned long mp4_reference_size;          unsigned long mp4_reference_size;
73  } DEC_MEM_REQS;          }
74            DEC_MEM_REQS;
75    
76  typedef struct  typedef struct
77  {  {
# Line 85  Line 83 
83          void * mp4_tables;          void * mp4_tables;
84          void * mp4_stream;          void * mp4_stream;
85          void * mp4_reference;          void * mp4_reference;
86  } DEC_BUFFERS;          }
87            DEC_BUFFERS;
88    
89  typedef struct  typedef struct
90  {  {
# Line 94  Line 93 
93          int output_format;          int output_format;
94          int time_incr;          int time_incr;
95          DEC_BUFFERS buffers;          DEC_BUFFERS buffers;
96  } DEC_PARAM;          }
97            DEC_PARAM;
98    
99  typedef struct  typedef struct
100  {  {
# Line 103  Line 103 
103          long length; /* length of bitstream */          long length; /* length of bitstream */
104          int render_flag;          int render_flag;
105          unsigned int stride;          unsigned int stride;
106  } DEC_FRAME;          }
107            DEC_FRAME;
108    
109  typedef struct  typedef struct
110  {  {
111          int intra;          int intra;
112          int *quant_store;          int *quant_store;
113          int quant_stride;          int quant_stride;
114  } DEC_FRAME_INFO;          }
115            DEC_FRAME_INFO;
116    
117  /* configure postprocessing */  /* configure postprocessing */
118  typedef struct  typedef struct
119  {  {
120          int postproc_level; /* ranging from 0 to 100 */          int postproc_level; /* ranging from 0 to 100 */
121  } DEC_SET;          }
122            DEC_SET;
123    
124  int decore( unsigned long handle, unsigned long dec_opt, void* param1, void* param2);          int decore(unsigned long handle,
125                               unsigned long dec_opt,
126                               void *param1,
127                               void *param2);
128    
129    
130    
# Line 137  Line 143 
143  **/  **/
144  typedef struct _ENC_PARAM_  typedef struct _ENC_PARAM_
145  {  {
146          int x_dim;              // the x dimension of the frames to be encoded                  int x_dim;                              /* the x dimension of the frames to be encoded */
147          int y_dim;              // the y dimension of the frames to be encoded                  int y_dim;                              /* the y dimension of the frames to be encoded */
148          float framerate;        // the frame rate of the sequence to be encoded, in frames/second                  float framerate;                /* the frame rate of the sequence to be encoded, in frames/second */
149          int bitrate;            // the bitrate of the target encoded stream, in bits/second                  int bitrate;                    /* the bitrate of the target encoded stream, in bits/second */
150          int rc_period;          // the intended rate control averaging period                  int rc_period;                  /* the intended rate control averaging period */
151          int rc_reaction_period; // the reaction period for rate control                  int rc_reaction_period; /* the reaction period for rate control */
152          int rc_reaction_ratio;  // the ratio for down/up rate control                  int rc_reaction_ratio;  /* the ratio for down/up rate control */
153          int max_quantizer;      // the upper limit of the quantizer                  int max_quantizer;              /* the upper limit of the quantizer */
154          int min_quantizer;      // the lower limit of the quantizer                  int min_quantizer;              /* the lower limit of the quantizer */
155          int max_key_interval;   // the maximum interval between key frames                  int max_key_interval;   /* the maximum interval between key frames */
156          int use_bidirect;       // use bidirectional coding                  int use_bidirect;               /* use bidirectional coding */
157          int deinterlace;        // fast deinterlace                  int deinterlace;                /* fast deinterlace */
158          int quality;            // the quality of compression ( 1 - fastest, 5 - best )                  int quality;                    /* the quality of compression ( 1 - fastest, 5 - best ) */
159          int obmc;                       // flag to enable overlapped block motion compensation mode                  int obmc;                               /* flag to enable overlapped block motion compensation mode */
160          void *handle;           // will be filled by encore                  void *handle;                   /* will be filled by encore */
161  }  }
162  ENC_PARAM;  ENC_PARAM;
163    
164    
165  // encore2  /* encore2 */
166    
167    
168  /**  /**
# Line 172  Line 178 
178  **/  **/
179  typedef struct _ENC_FRAME_  typedef struct _ENC_FRAME_
180  {  {
181      void *image;        // the image frame to be encoded                  void *image;                    /* the image frame to be encoded */
182      void *bitstream;    // the buffer for encoded bitstream                  void *bitstream;                /* the buffer for encoded bitstream */
183      int length;         // the length of the encoded bitstream                  int length;                             /* the length of the encoded bitstream */
184      int colorspace;     // the format of image frame                  int colorspace;                 /* the format of image frame */
185      int quant;          // quantizer for this frame; only used in VBR modes                  int quant;                              /* quantizer for this frame; only used in VBR modes */
186      int intra;          // force this frame to be intra/inter; only used in VBR 2-pass                  int intra;                              /* force this frame to be intra/inter; only used in VBR 2-pass */
187      void *mvs;          // optional pointer to array of motion vectors                  void *mvs;                              /* optional pointer to array of motion vectors */
188  }  }
189  ENC_FRAME;  ENC_FRAME;
190    
# Line 189  Line 195 
195  **/  **/
196      typedef struct _ENC_RESULT_      typedef struct _ENC_RESULT_
197      {      {
198          int is_key_frame;       // the current frame is encoded as a key frame                  int is_key_frame;               /* the current frame is encoded as a key frame */
199          int quantizer;          // the quantizer used for this frame                  int quantizer;                  /* the quantizer used for this frame */
200          int texture_bits;       // amount of bits spent on coding DCT coeffs                  int texture_bits;               /* amount of bits spent on coding DCT coeffs */
201          int motion_bits;        // amount of bits spend on coding motion                  int motion_bits;                /* amount of bits spend on coding motion */
202          int total_bits;         // sum of two previous fields                  int total_bits;                 /* sum of two previous fields */
203      }      }
204      ENC_RESULT;      ENC_RESULT;
205    
206  // the prototype of the encore() - main encode engine entrance  /* the prototype of the encore() - main encode engine entrance */
207  int encore(void *handle,        // handle               - the handle of the calling entity, must be unique          int encore(void *handle,        /* handle               - the handle of the calling entity, must be unique */
208                 int enc_opt,     // enc_opt              - the option for encoding, see below  
209                 void *param1,    // param1               - the parameter 1 (its actually meaning depends on enc_opt                             int enc_opt,         /* enc_opt              - the option for encoding, see below */
210                 void *param2);   // param2               - the parameter 2 (its actually meaning depends on enc_opt  
211                               void *param1,        /* param1               - the parameter 1 (its actually meaning depends on enc_opt */
212  // encore options (the enc_opt parameter of encore())  
213  #define ENC_OPT_INIT    0       // initialize the encoder, return a handle                             void *param2);       /* param2               - the parameter 2 (its actually meaning depends on enc_opt */
214  #define ENC_OPT_RELEASE 1       // release all the resource associated with the handle  
215  #define ENC_OPT_ENCODE  2       // encode a single frame  /* encore options (the enc_opt parameter of encore()) */
216  #define ENC_OPT_ENCODE_VBR 3    // encode a single frame, not using internal rate control algorithm  #define ENC_OPT_INIT    0               /* initialize the encoder, return a handle */
217    #define ENC_OPT_RELEASE 1               /* release all the resource associated with the handle */
218    #define ENC_OPT_ENCODE  2               /* encode a single frame */
219    #define ENC_OPT_ENCODE_VBR 3    /* encode a single frame, not using internal rate control algorithm */
220  #define ENC_OPT_VERSION 4  #define ENC_OPT_VERSION 4
221    
222  #define ENCORE_VERSION          20010807  #define ENCORE_VERSION          20010807
223    
224    
225    
226  // return code of encore()  /* return code of encore() */
227  #define ENC_FAIL                -1  #define ENC_FAIL                -1
228  #define ENC_OK                  0  #define ENC_OK                  0
229  #define ENC_MEMORY              1  #define ENC_MEMORY              1
# Line 244  Line 253 
253  }  }
254  #endif  #endif
255    
256  #endif // _DIVX4_H_  #endif                                                  /* _DIVX4_H_ */
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