H2642PES

http://blog.csdn.net/nine_locks/article/details/46965885

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1. int H2642PES()                                
2. {  
3.     Ts_Adaptation_field  ts_adaptation_field_Head ;   
4.     Ts_Adaptation_field  ts_adaptation_field_Tail ;   
5.   
6.   
7.     ts_video_pes->packet_start_code_prefix = 0x000001;  
8.     ts_video_pes->stream_id = TS_H264_STREAM_ID;                               //E0~EF表示是视频的,C0~DF是音频,H264-- E0  
9.     ts_video_pes->PES_packet_length = 0 ;// OneFrameLen_H264 + 8;              //一帧数据的长度 不包含 PES包头 ,这个8 是 自适应的长度,填0 可以自动查找  
10.     ts_video_pes->Pes_Packet_Length_Beyond = OneFrameLen_H264;  
11.   
12.   
13.     if (OneFrameLen_H264 > 0xFFFF)                                             //如果一帧数据的大小超出界限  
14.     {  
15.         ts_video_pes->PES_packet_length = 0x00;  
16.         ts_video_pes->Pes_Packet_Length_Beyond = OneFrameLen_H264;  
17.     }  
18.     ts_video_pes->marker_bit = 0x02;  
19.     ts_video_pes->PES_scrambling_control = 0x00;                               //人选字段 存在，不加扰  
20.     ts_video_pes->PES_priority = 0x00;  
21.     ts_video_pes->data_alignment_indicator = 0x00;  
22.     ts_video_pes->copyright = 0x00;  
23.     ts_video_pes->original_or_copy = 0x00;  
24.     ts_video_pes->PTS_DTS_flags = 0x03;  
25.     ts_video_pes->ESCR_flag = 0x00;  
26.     ts_video_pes->ES_rate_flag = 0x00;  
27.     ts_video_pes->DSM_trick_mode_flag = 0x00;  
28.     ts_video_pes->additional_copy_info_flag = 0x00;  
29.     ts_video_pes->PES_CRC_flag = 0x00;  
30.     ts_video_pes->PES_extension_flag = 0x00;  
31.     ts_video_pes->PES_header_data_length = 0x0a;                                //后面的数据 包括了  PTS和 DTS所占的字节数  
32.   
33.   
34.     //清 0   
35.     ts_video_pes->tsptsdts.pts_32_30  = 0;  
36.     ts_video_pes->tsptsdts.pts_29_15 = 0;  
37.     ts_video_pes->tsptsdts.pts_14_0 = 0;  
38.     ts_video_pes->tsptsdts.dts_32_30 = 0;  
39.     ts_video_pes->tsptsdts.dts_29_15 = 0;  
40.     ts_video_pes->tsptsdts.dts_14_0 = 0;  
41.   
42.   
43.     ts_video_pes->tsptsdts.reserved_1 = 0x0003;                                 //填写 pts信息  
44.     // Videopts大于30bit，使用最高三位   
45.     if(Videopts > 0x7FFFFFFF)  
46.     {  
47.         ts_video_pes->tsptsdts.pts_32_30 = (Videopts >> 30) & 0x07;                   
48.         ts_video_pes->tsptsdts.marker_bit1 = 0x01;  
49.     }  
50.     else   
51.     {  
52.         ts_video_pes->tsptsdts.marker_bit1 = 0;  
53.     }  
54.     // Videopts大于15bit，使用更多的位来存储  
55.     if(Videopts > 0x7FFF)  
56.     {  
57.         ts_video_pes->tsptsdts.pts_29_15 = (Videopts >> 15) & 0x007FFF ;  
58.         ts_video_pes->tsptsdts.marker_bit2 = 0x01;  
59.     }  
60.     else  
61.     {  
62.         ts_video_pes->tsptsdts.marker_bit2 = 0;  
63.     }  
64.     //使用最后15位  
65.     ts_video_pes->tsptsdts.pts_14_0 = Videopts & 0x007FFF;  
66.     ts_video_pes->tsptsdts.marker_bit3 = 0x01;  
67.   
68.   
69.   
70.   
71.     ts_video_pes->tsptsdts.reserved_2 = 0x0001;                                 //填写 dts信息  
72.     // Videopts大于30bit，使用最高三位   
73.     if(Videodts > 0x7FFFFFFF)  
74.     {  
75.         ts_video_pes->tsptsdts.dts_32_30 = (Videodts >> 30) & 0x07;                   
76.         ts_video_pes->tsptsdts.marker_bit4 = 0x01;  
77.     }  
78.     else   
79.     {  
80.         ts_video_pes->tsptsdts.marker_bit4 = 0;  
81.     }  
82.     // Videopts大于15bit，使用更多的位来存储  
83.     if(Videodts > 0x7FFF)  
84.     {  
85.         ts_video_pes->tsptsdts.dts_29_15 = (Videodts >> 15) & 0x007FFF ;  
86.         ts_video_pes->tsptsdts.marker_bit5 = 0x01;  
87.     }  
88.     else  
89.     {  
90.         ts_video_pes->tsptsdts.marker_bit5 = 0;  
91.     }  
92.     //使用最后15位  
93.     ts_video_pes->tsptsdts.dts_14_0 = Videodts & 0x007FFF;  
94.     ts_video_pes->tsptsdts.marker_bit6 = 0x01;  
95.   
96.   
97.     memcpy(ts_video_pes->Es,OneFrameBuf_H264,OneFrameLen_H264);  
98.   
99.   
100.     //将数据存入新的H264 文件检测 中间步骤是否正确  
101.     fwrite(ts_video_pes->Es,OneFrameLen_H264,1,FOutNEWH264);  
102.   
103.   
104.     WriteAdaptive_flags_Head(&ts_adaptation_field_Head); //填写自适应段标志帧头  
105.     WriteAdaptive_flags_Tail(&ts_adaptation_field_Tail); //填写自适应段标志帧尾  
106.   
107.   
108.     EnterCriticalSection(&Cs);  
109.     PES2TS(ts_video_pes,TS_H264_PID,&ts_adaptation_field_Head,&ts_adaptation_field_Tail);   
110.     LeaveCriticalSection(&Cs);  
111.     return 1;  
112. }