external/srs
1
0
Fork 0
mirror of https://github.com/ossrs/srs.git synced 2025-03-09 15:49:59 +00:00
Code Issues Releases Wiki Activity

update librtmp, add amf0 parse functions

Browse source
This commit is contained in:
winlin 2014-05-21 18:30:58 +08:00
parent efc9f53512
commit f37faf7236
6 changed files with 200 additions and 112 deletions
Download patch file Download diff file Expand all files Collapse all files

106
trunk/research/librtmp/srs_ingest_flv.c
View file

@ -34,15 +34,11 @@ gcc srs_ingest_flv.c ../../objs/lib/srs_librtmp.a -g -O0 -lstdc++ -o srs_ingest_
#include "../../objs/include/srs_librtmp.h"
#include "srs_research_public.h"
#include "srs_flv_codec.h"
int proxy(int flv_fd, srs_rtmp_t ortmp);
int connect_oc(srs_rtmp_t ortmp);
int open_flv_file(char* in_flv_file);
void close_flv_file(int flv_fd);
int flv_open_ic(int flv_fd);
int flv_read_packet(int flv_fd, int* type, u_int32_t* timestamp, char** data, int* size);
#define RE_PULSE_MS 300
int64_t re_create();
void re_update(int64_t re, u_int32_t time);
@ -234,103 +230,3 @@ void re_cleanup(int64_t re, u_int32_t time)
usleep(diff * 1000);
}
}
int open_flv_file(char* in_flv_file)
{
return open(in_flv_file, O_RDONLY);
}
void close_flv_file(int fd)
{
if (fd > 0) {
close(fd);
}
}
int flv_open_ic(int flv_fd)
{
int ret = 0;
char h[13]; // 9+4
if (read(flv_fd, h, sizeof(h)) != sizeof(h)) {
ret = -1;
trace("read flv header failed. ret=%d", ret);
return ret;
}
if (h[0] != 'F' || h[1] != 'L' || h[2] != 'V') {
ret = -1;
trace("input is not a flv file. ret=%d", ret);
return ret;
}
return ret;
}
int flv_read_packet(int flv_fd, int* type, u_int32_t* timestamp, char** data, int* size)
{
int ret = 0;
char th[11]; // tag header
char ts[4]; // tag size
int32_t data_size = 0;
u_int32_t time = 0;
char* pp;
// read tag header
if (read(flv_fd, th, sizeof(th)) != sizeof(th)) {
ret = -1;
trace("read flv tag header failed. ret=%d", ret);
return ret;
}
// Reserved UB [2]
// Filter UB [1]
// TagType UB [5]
*type = (int)(th[0] & 0x1F);
// DataSize UI24
pp = (char*)&data_size;
pp[2] = th[1];
pp[1] = th[2];
pp[0] = th[3];
// Timestamp UI24
pp = (char*)&time;
pp[2] = th[4];
pp[1] = th[5];
pp[0] = th[6];
// TimestampExtended UI8
pp[3] = th[7];
*timestamp = time;
// check data size.
if (data_size <= 0) {
ret = -1;
trace("invalid data size. size=%d, ret=%d", data_size, ret);
return ret;
}
// read tag data.
*size = data_size;
*data = (char*)malloc(data_size);
if (read(flv_fd, *data, data_size) != data_size) {
ret = -1;
trace("read flv tag data failed. size=%d, ret=%d", data_size, ret);
return ret;
}
// ignore 4bytes tag size.
if (read(flv_fd, ts, sizeof(ts)) != sizeof(ts)) {
ret = -1;
trace("read flv tag size failed. ret=%d", ret);
return ret;
}
return ret;
}