[svn] / trunk / xvidcore / examples / ex1 / ex1.c Repository:
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revision 182, Fri May 24 00:25:00 2002 UTC revision 275, Tue Jul 9 02:43:52 2002 UTC
# Line 1  Line 1 
1  /*******************************************************************************  /*******************************************************************************
2  * This file is a example for how to use the xvid core to compress YUV file  * This file is a example for how to use the xvid core to compress YUV file
3  *  *
4  *  * 0.01b   28.05.2002    chenm001<chenm001@163.com>
5    *                       fix a little bug for encode only codec I frame
6    * 0.01a   27.05.2002    chenm001<chenm001@163.com>
7    *                       fix a little bug for BFRAMES define locate
8  * 0.01    23.05.2002    chenm001<chenm001@163.com>  * 0.01    23.05.2002    chenm001<chenm001@163.com>
9  *                       the BFRAME option must be match to core compile option  *                       the BFRAME option must be match to core compile option
10  *******************************************************************************/  *******************************************************************************/
11    
12    //#define BFRAMES
13  #include "ex1.h"  #include "ex1.h"
 #define BFRAMES  
14    
15  int Encode(char *, int, int, char *);  int Encode(char *, int, int, char *);
16  int Decode(char *, int, int, char *);  int Decode(char *, int, int, char *);
# Line 52  Line 55 
55          param->max_quantizer = 31;          param->max_quantizer = 31;
56          param->max_key_interval = 100;          param->max_key_interval = 100;
57    
58    #ifdef BFRAMES
59          param->max_bframes = 0;         // Disable B-frame          param->max_bframes = 0;         // Disable B-frame
60    #endif
61  }  }
62    
63  void set_enc_frame(XVID_ENC_FRAME *frame)  void set_enc_frame(XVID_ENC_FRAME *frame)
# Line 67  Line 72 
72          frame->colorspace = XVID_CSP_YV12;      // the test.yuv format is YV12          frame->colorspace = XVID_CSP_YV12;      // the test.yuv format is YV12
73          frame->quant = 0;       // CBR mode          frame->quant = 0;       // CBR mode
74    
         frame->general = 0;  
75          frame->general |= XVID_MPEGQUANT;       // Use MPEG quant          frame->general |= XVID_MPEGQUANT;       // Use MPEG quant
76          frame->quant_inter_matrix = NULL;       // Use default quant matrix          frame->quant_inter_matrix = NULL;       // Use default quant matrix
77          frame->quant_intra_matrix = NULL;          frame->quant_intra_matrix = NULL;
# Line 100  Line 104 
104          }          }
105    
106          // get Xvid core status          // get Xvid core status
107            init_param.cpu_flags = 0;
108          xvid_init(0, 0, &init_param, NULL);          xvid_init(0, 0, &init_param, NULL);
109          // Check API Version is 2.1?          // Check API Version is 2.1?
110          if (init_param.api_version != ((2<<16)|(1)))          if (init_param.api_version != ((2<<16)|(1)))
# Line 116  Line 121 
121          // Encode Frame          // Encode Frame
122          temp=fread(inBuf, 1, width*height*3/2, fpi);    // Read YUV data          temp=fread(inBuf, 1, width*height*3/2, fpi);    // Read YUV data
123          while(temp == width*height*3/2){          while(temp == width*height*3/2){
124                    printf("Frames=%d\n",num);
125                  set_enc_frame(&frame);                  set_enc_frame(&frame);
126                  if (!(num%param.max_key_interval))                  if (!(num%param.max_key_interval))
127                          frame.intra = 1;        // Encode as I-frame                          frame.intra = 1;        // Encode as I-frame
# Line 124  Line 130 
130                  xvid_encore(param.handle, XVID_ENC_ENCODE, &frame, &stats);                  xvid_encore(param.handle, XVID_ENC_ENCODE, &frame, &stats);
131                  fwrite(outBuf, 1, frame.length, fpo);                  fwrite(outBuf, 1, frame.length, fpo);
132                  temp=fread(inBuf, 1, width*height*3/2, fpi);    // Read next YUV data                  temp=fread(inBuf, 1, width*height*3/2, fpi);    // Read next YUV data
133                    num++;
134          }          }
135    
136          // Free Encode Core          // Free Encode Core
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