mirror of https://bitbucket.org/ausocean/av.git
212 lines
4.9 KiB
C
212 lines
4.9 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "rtmp_c/librtmp/rtmp_sys.h"
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#include "rtmp_c/librtmp/log.h"
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#include "lwlog/lwlog.h"
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#define HTON16(x) ((x>>8&0xff)|(x<<8&0xff00))
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#define HTON24(x) ((x>>16&0xff)|(x<<16&0xff0000)|(x&0xff00))
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#define HTON32(x) ((x>>24&0xff)|(x>>8&0xff00)|\
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(x<<8&0xff0000)|(x<<24&0xff000000))
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#define HTONTIME(x) ((x>>16&0xff)|(x<<16&0xff0000)|(x&0xff00)|(x&0xff000000))
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/*read 1 byte*/
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int ReadU8(uint32_t *u8, FILE *fp) {
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if (fread(u8, 1, 1, fp) != 1) {
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return 0;
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}
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return 1;
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}
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/*read 2 byte*/
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int ReadU16(uint32_t *u16, FILE *fp) {
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if (fread(u16, 2, 1, fp) != 1) {
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return 0;
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}
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*u16 = HTON16(*u16);
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return 1;
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}
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/*read 3 byte*/
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int ReadU24(uint32_t *u24, FILE *fp) {
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if (fread(u24, 3, 1, fp) != 1) {
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return 0;
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}
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*u24 = HTON24(*u24);
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return 1;
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}
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/*read 4 byte*/
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int ReadU32(uint32_t *u32, FILE *fp) {
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if (fread(u32, 4, 1, fp) != 1) {
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return 0;
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}
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*u32 = HTON32(*u32);
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return 1;
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}
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/*read 1 byte,and loopback 1 byte at once*/
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int PeekU8(uint32_t *u8, FILE *fp) {
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if (fread(u8, 1, 1, fp) != 1) {
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return 0;
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}
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fseek(fp, -1, SEEK_CUR);
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return 1;
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}
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/*read 4 byte and convert to time format*/
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int ReadTime(uint32_t *utime, FILE *fp) {
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if (fread(utime, 4, 1, fp) != 1) {
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return 0;
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}
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*utime = HTONTIME(*utime);
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return 1;
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}
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//Publish using RTMP_Write()
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int publish_using_write() {
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uint32_t start_time = 0;
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uint32_t now_time = 0;
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uint32_t pre_frame_time = 0;
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uint32_t lasttime = 0;
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int b_next_is_key = 0;
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char *p_file_buf = NULL;
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//read from tag header
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uint32_t type = 0;
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uint32_t datalength = 0;
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uint32_t timestamp = 0;
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RTMP *rtmp = NULL;
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FILE *fp = NULL;
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fp = fopen("../cuc_ieschool.flv", "rb");
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if (NULL == fp) {
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RTMP_LogPrintf("Open File Error.\n");
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return -1;
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}
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/* set log level */
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//RTMP_LogLevel loglvl=RTMP_LOGDEBUG;
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//RTMP_LogSetLevel(loglvl);
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rtmp = RTMP_Alloc();
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RTMP_Init(rtmp);
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//set connection timeout,default 30s
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rtmp->Link.timeout = 5;
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if (!RTMP_SetupURL(rtmp, "rtmp://localhost/live/inrtmp")) {
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RTMP_Log(RTMP_LOGERROR, "SetupURL Err\n");
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RTMP_Free(rtmp);
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return -1;
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}
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RTMP_EnableWrite(rtmp);
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//1hour
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RTMP_SetBufferMS(rtmp, 3600 * 1000);
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if (!RTMP_Connect(rtmp, NULL)) {
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RTMP_Log(RTMP_LOGERROR, "Connect Err\n");
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RTMP_Free(rtmp);
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return -1;
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}
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if (!RTMP_ConnectStream(rtmp, 0)) {
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RTMP_Log(RTMP_LOGERROR, "ConnectStream Err\n");
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RTMP_Close(rtmp);
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RTMP_Free(rtmp);
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return -1;
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}
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lwlog_info("Start to send data ...");
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//jump over FLV Header
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fseek(fp, 9, SEEK_SET);
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//jump over previousTagSizen
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fseek(fp, 4, SEEK_CUR);
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start_time = RTMP_GetTime();
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while (1) {
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if ((((now_time = RTMP_GetTime()) - start_time)
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< (pre_frame_time)) && b_next_is_key) {
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//wait for 1 sec if the send process is too fast
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//this mechanism is not very good,need some improvement
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if (pre_frame_time > lasttime) {
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RTMP_LogPrintf("TimeStamp:%8u ms\n", pre_frame_time);
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lasttime = pre_frame_time;
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}
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sleep(1);
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continue;
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}
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//jump over type
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fseek(fp, 1, SEEK_CUR);
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if (!ReadU24(&datalength, fp)) {
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break;
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}
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if (!ReadTime(×tamp, fp)) {
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break;
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}
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//jump back
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fseek(fp, -8, SEEK_CUR);
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p_file_buf = (char *) malloc(11 + datalength + 4);
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memset(p_file_buf, 0, 11 + datalength + 4);
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if (fread(p_file_buf, 1, 11 + datalength + 4, fp) != (11 + datalength + 4)) {
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break;
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}
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pre_frame_time = timestamp;
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if (!RTMP_IsConnected(rtmp)) {
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RTMP_Log(RTMP_LOGERROR, "rtmp is not connect\n");
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break;
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}
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if (!RTMP_Write(rtmp, p_file_buf, 11 + datalength + 4)) {
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RTMP_Log(RTMP_LOGERROR, "Rtmp Write Error\n");
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break;
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}
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free(p_file_buf);
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p_file_buf = NULL;
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if (!PeekU8(&type, fp)) {
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break;
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}
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if (0x09 == type) {
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if (fseek(fp, 11, SEEK_CUR) != 0) {
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break;
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}
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if (!PeekU8(&type, fp)) {
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break;
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}
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if (type == 0x17) {
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b_next_is_key = 1;
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} else {
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b_next_is_key = 0;
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}
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fseek(fp, -11, SEEK_CUR);
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}
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}
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RTMP_LogPrintf("\nSend Data Over\n");
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if (fp != NULL) {
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fclose(fp);
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fp = NULL;
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}
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if (rtmp != NULL) {
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RTMP_Close(rtmp);
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RTMP_Free(rtmp);
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rtmp = NULL;
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}
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if (p_file_buf != NULL) {
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free(p_file_buf);
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p_file_buf = NULL;
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}
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return 0;
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}
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