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trunk/research/librtmp/srs_ingest_flv.c
100755 → 100644
1 | -/* | ||
2 | -The MIT License (MIT) | ||
3 | - | ||
4 | -Copyright (c) 2013-2014 winlin | ||
5 | - | ||
6 | -Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
7 | -this software and associated documentation files (the "Software"), to deal in | ||
8 | -the Software without restriction, including without limitation the rights to | ||
9 | -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | ||
10 | -the Software, and to permit persons to whom the Software is furnished to do so, | ||
11 | -subject to the following conditions: | ||
12 | - | ||
13 | -The above copyright notice and this permission notice shall be included in all | ||
14 | -copies or substantial portions of the Software. | ||
15 | - | ||
16 | -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
17 | -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | ||
18 | -FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | ||
19 | -COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | ||
20 | -IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
21 | -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
22 | -*/ | ||
23 | -/** | ||
24 | -gcc srs_ingest_flv.c ../../objs/lib/srs_librtmp.a -g -O0 -lstdc++ -o srs_ingest_flv | ||
25 | -*/ | ||
26 | - | ||
27 | -#include <stdio.h> | ||
28 | -#include <stdlib.h> | ||
29 | -#include <unistd.h> | ||
30 | - | ||
31 | -#include <sys/types.h> | ||
32 | -#include <sys/stat.h> | ||
33 | -#include <fcntl.h> | ||
34 | - | ||
35 | -#include "../../objs/include/srs_librtmp.h" | ||
36 | -#include "srs_research_public.h" | ||
37 | - | ||
38 | -int proxy(int flv_fd, srs_rtmp_t ortmp); | ||
39 | -int connect_oc(srs_rtmp_t ortmp); | ||
40 | - | ||
41 | -int open_flv_file(char* in_flv_file); | ||
42 | -void close_flv_file(int flv_fd); | ||
43 | -int flv_open_ic(int flv_fd); | ||
44 | -int flv_read_packet(int flv_fd, int* type, u_int32_t* timestamp, char** data, int* size); | ||
45 | - | ||
46 | -int64_t re_create(); | ||
47 | -int64_t re_update(int64_t re, u_int32_t time); | ||
48 | - | ||
49 | -int main(int argc, char** argv) | ||
50 | -{ | ||
51 | - int ret = 0; | ||
52 | - | ||
53 | - // user option parse index. | ||
54 | - int opt = 0; | ||
55 | - // user options. | ||
56 | - char* in_flv_file; char* out_rtmp_url; | ||
57 | - // rtmp handler | ||
58 | - srs_rtmp_t ortmp; | ||
59 | - // flv handler | ||
60 | - int flv_fd; | ||
61 | - | ||
62 | - if (argc <= 2) { | ||
63 | - printf("ingest flv file and publish to RTMP server\n" | ||
64 | - "Usage: %s <-i in_flv_file> <-y out_rtmp_url>\n" | ||
65 | - " in_flv_file input flv file, ingest from this file.\n" | ||
66 | - " out_rtmp_url output rtmp url, publish to this url.\n" | ||
67 | - "For example:\n" | ||
68 | - " %s -i ../../doc/source.200kbps.768x320.flv -y rtmp://127.0.0.1/live/demo\n", | ||
69 | - argv[0]); | ||
70 | - ret = 1; | ||
71 | - exit(ret); | ||
72 | - return ret; | ||
73 | - } | ||
74 | - | ||
75 | - // parse options in FFMPEG format. | ||
76 | - while ((opt = getopt(argc, argv, "i:y:")) != -1) { | ||
77 | - switch (opt) { | ||
78 | - case 'i': | ||
79 | - in_flv_file = optarg; | ||
80 | - break; | ||
81 | - case 'y': | ||
82 | - out_rtmp_url = optarg; | ||
83 | - break; | ||
84 | - default: | ||
85 | - break; | ||
86 | - } | ||
87 | - } | ||
88 | - | ||
89 | - trace("ingest flv file and publish to RTMP server like FFMPEG."); | ||
90 | - trace("srs(simple-rtmp-server) client librtmp library."); | ||
91 | - trace("version: %d.%d.%d", srs_version_major(), srs_version_minor(), srs_version_revision()); | ||
92 | - trace("input: %s", in_flv_file); | ||
93 | - trace("output: %s", out_rtmp_url); | ||
94 | - | ||
95 | - flv_fd = open_flv_file(in_flv_file); | ||
96 | - if (flv_fd <= 0) { | ||
97 | - ret = 2; | ||
98 | - trace("open flv file failed. ret=%d", ret); | ||
99 | - return ret; | ||
100 | - } | ||
101 | - | ||
102 | - ortmp = srs_rtmp_create(out_rtmp_url); | ||
103 | - | ||
104 | - ret = proxy(flv_fd, ortmp); | ||
105 | - trace("ingest flv to RTMP completed"); | ||
106 | - | ||
107 | - srs_rtmp_destroy(ortmp); | ||
108 | - close_flv_file(flv_fd); | ||
109 | - | ||
110 | - return ret; | ||
111 | -} | ||
112 | - | ||
113 | -int proxy(int flv_fd, srs_rtmp_t ortmp) | ||
114 | -{ | ||
115 | - int ret = 0; | ||
116 | - | ||
117 | - // packet data | ||
118 | - int type, size; | ||
119 | - u_int32_t timestamp = 0; | ||
120 | - char* data = NULL; | ||
121 | - // re | ||
122 | - int64_t re = re_create(); | ||
123 | - | ||
124 | - if ((ret = flv_open_ic(flv_fd)) != 0) { | ||
125 | - return ret; | ||
126 | - } | ||
127 | - if ((ret = connect_oc(ortmp)) != 0) { | ||
128 | - return ret; | ||
129 | - } | ||
130 | - | ||
131 | - trace("start ingest flv to RTMP stream"); | ||
132 | - for (;;) { | ||
133 | - if ((ret = flv_read_packet(flv_fd, &type, ×tamp, &data, &size)) != 0) { | ||
134 | - trace("irtmp get packet failed. ret=%d", ret); | ||
135 | - return ret; | ||
136 | - } | ||
137 | - verbose("irtmp got packet: type=%s, time=%d, size=%d", | ||
138 | - srs_type2string(type), timestamp, size); | ||
139 | - | ||
140 | - if ((ret = srs_write_packet(ortmp, type, timestamp, data, size)) != 0) { | ||
141 | - trace("irtmp get packet failed. ret=%d", ret); | ||
142 | - return ret; | ||
143 | - } | ||
144 | - verbose("ortmp sent packet: type=%s, time=%d, size=%d", | ||
145 | - srs_type2string(type), timestamp, size); | ||
146 | - | ||
147 | - re = re_update(re, timestamp); | ||
148 | - } | ||
149 | - | ||
150 | - return ret; | ||
151 | -} | ||
152 | - | ||
153 | -int connect_oc(srs_rtmp_t ortmp) | ||
154 | -{ | ||
155 | - int ret = 0; | ||
156 | - | ||
157 | - if ((ret = srs_simple_handshake(ortmp)) != 0) { | ||
158 | - trace("ortmp simple handshake failed. ret=%d", ret); | ||
159 | - return ret; | ||
160 | - } | ||
161 | - trace("ortmp simple handshake success"); | ||
162 | - | ||
163 | - if ((ret = srs_connect_app(ortmp)) != 0) { | ||
164 | - trace("ortmp connect vhost/app failed. ret=%d", ret); | ||
165 | - return ret; | ||
166 | - } | ||
167 | - trace("ortmp connect vhost/app success"); | ||
168 | - | ||
169 | - if ((ret = srs_publish_stream(ortmp)) != 0) { | ||
170 | - trace("ortmp publish stream failed. ret=%d", ret); | ||
171 | - return ret; | ||
172 | - } | ||
173 | - trace("ortmp publish stream success"); | ||
174 | - | ||
175 | - return ret; | ||
176 | -} | ||
177 | - | ||
178 | -int64_t re_create() | ||
179 | -{ | ||
180 | - return 0; | ||
181 | -} | ||
182 | -int64_t re_update(int64_t re, u_int32_t time) | ||
183 | -{ | ||
184 | - if (time - re > 500) { | ||
185 | - usleep((time - re) * 1000); | ||
186 | - return time; | ||
187 | - } | ||
188 | - | ||
189 | - return re; | ||
190 | -} | ||
191 | - | ||
192 | -int open_flv_file(char* in_flv_file) | ||
193 | -{ | ||
194 | - return open(in_flv_file, O_RDONLY); | ||
195 | -} | ||
196 | - | ||
197 | -void close_flv_file(int fd) | ||
198 | -{ | ||
199 | - if (fd > 0) { | ||
200 | - close(fd); | ||
201 | - } | ||
202 | -} | ||
203 | - | ||
204 | -int flv_open_ic(int flv_fd) | ||
205 | -{ | ||
206 | - int ret = 0; | ||
207 | - | ||
208 | - char h[13]; // 9+4 | ||
209 | - | ||
210 | - if (read(flv_fd, h, sizeof(h)) != sizeof(h)) { | ||
211 | - ret = -1; | ||
212 | - trace("read flv header failed. ret=%d", ret); | ||
213 | - return ret; | ||
214 | - } | ||
215 | - | ||
216 | - if (h[0] != 'F' || h[1] != 'L' || h[2] != 'V') { | ||
217 | - ret = -1; | ||
218 | - trace("input is not a flv file. ret=%d", ret); | ||
219 | - return ret; | ||
220 | - } | ||
221 | - | ||
222 | - return ret; | ||
223 | -} | ||
224 | - | ||
225 | -int flv_read_packet(int flv_fd, int* type, u_int32_t* timestamp, char** data, int* size) | ||
226 | -{ | ||
227 | - int ret = 0; | ||
228 | - | ||
229 | - char th[11]; // tag header | ||
230 | - char ts[4]; // tag size | ||
231 | - | ||
232 | - int32_t data_size = 0; | ||
233 | - u_int32_t time = 0; | ||
234 | - | ||
235 | - char* pp; | ||
236 | - | ||
237 | - // read tag header | ||
238 | - if (read(flv_fd, th, sizeof(th)) != sizeof(th)) { | ||
239 | - ret = -1; | ||
240 | - trace("read flv tag header failed. ret=%d", ret); | ||
241 | - return ret; | ||
242 | - } | ||
243 | - | ||
244 | - // Reserved UB [2] | ||
245 | - // Filter UB [1] | ||
246 | - // TagType UB [5] | ||
247 | - *type = (int)(th[0] & 0x1F); | ||
248 | - | ||
249 | - // DataSize UI24 | ||
250 | - pp = (char*)&data_size; | ||
251 | - pp[2] = th[1]; | ||
252 | - pp[1] = th[2]; | ||
253 | - pp[0] = th[3]; | ||
254 | - | ||
255 | - // Timestamp UI24 | ||
256 | - pp = (char*)&time; | ||
257 | - pp[2] = th[4]; | ||
258 | - pp[1] = th[5]; | ||
259 | - pp[0] = th[6]; | ||
260 | - | ||
261 | - // TimestampExtended UI8 | ||
262 | - pp[3] = th[7]; | ||
263 | - | ||
264 | - *timestamp = time; | ||
265 | - | ||
266 | - // check data size. | ||
267 | - if (data_size <= 0) { | ||
268 | - ret = -1; | ||
269 | - trace("invalid data size. size=%d, ret=%d", data_size, ret); | ||
270 | - return ret; | ||
271 | - } | ||
272 | - | ||
273 | - // read tag data. | ||
274 | - *size = data_size; | ||
275 | - *data = (char*)malloc(data_size); | ||
276 | - if (read(flv_fd, *data, data_size) != data_size) { | ||
277 | - ret = -1; | ||
278 | - trace("read flv tag data failed. size=%d, ret=%d", data_size, ret); | ||
279 | - return ret; | ||
280 | - } | ||
281 | - | ||
282 | - // ignore 4bytes tag size. | ||
283 | - if (read(flv_fd, ts, sizeof(ts)) != sizeof(ts)) { | ||
284 | - ret = -1; | ||
285 | - trace("read flv tag size failed. ret=%d", ret); | ||
286 | - return ret; | ||
287 | - } | ||
288 | - | ||
289 | - return ret; | ||
290 | -} | 1 | +/* |
2 | +The MIT License (MIT) | ||
3 | + | ||
4 | +Copyright (c) 2013-2014 winlin | ||
5 | + | ||
6 | +Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
7 | +this software and associated documentation files (the "Software"), to deal in | ||
8 | +the Software without restriction, including without limitation the rights to | ||
9 | +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | ||
10 | +the Software, and to permit persons to whom the Software is furnished to do so, | ||
11 | +subject to the following conditions: | ||
12 | + | ||
13 | +The above copyright notice and this permission notice shall be included in all | ||
14 | +copies or substantial portions of the Software. | ||
15 | + | ||
16 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
17 | +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | ||
18 | +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | ||
19 | +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | ||
20 | +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
21 | +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
22 | +*/ | ||
23 | +/** | ||
24 | +gcc srs_ingest_flv.c ../../objs/lib/srs_librtmp.a -g -O0 -lstdc++ -o srs_ingest_flv | ||
25 | +*/ | ||
26 | + | ||
27 | +#include <stdio.h> | ||
28 | +#include <stdlib.h> | ||
29 | +#include <unistd.h> | ||
30 | + | ||
31 | +#include <sys/types.h> | ||
32 | +#include <sys/stat.h> | ||
33 | +#include <fcntl.h> | ||
34 | + | ||
35 | +#include "../../objs/include/srs_librtmp.h" | ||
36 | +#include "srs_research_public.h" | ||
37 | + | ||
38 | +int proxy(int flv_fd, srs_rtmp_t ortmp); | ||
39 | +int connect_oc(srs_rtmp_t ortmp); | ||
40 | + | ||
41 | +int open_flv_file(char* in_flv_file); | ||
42 | +void close_flv_file(int flv_fd); | ||
43 | +int flv_open_ic(int flv_fd); | ||
44 | +int flv_read_packet(int flv_fd, int* type, u_int32_t* timestamp, char** data, int* size); | ||
45 | + | ||
46 | +int64_t re_create(); | ||
47 | +int64_t re_update(int64_t re, u_int32_t time); | ||
48 | + | ||
49 | +int main(int argc, char** argv) | ||
50 | +{ | ||
51 | + int ret = 0; | ||
52 | + | ||
53 | + // user option parse index. | ||
54 | + int opt = 0; | ||
55 | + // user options. | ||
56 | + char* in_flv_file; char* out_rtmp_url; | ||
57 | + // rtmp handler | ||
58 | + srs_rtmp_t ortmp; | ||
59 | + // flv handler | ||
60 | + int flv_fd; | ||
61 | + | ||
62 | + if (argc <= 2) { | ||
63 | + printf("ingest flv file and publish to RTMP server\n" | ||
64 | + "Usage: %s <-i in_flv_file> <-y out_rtmp_url>\n" | ||
65 | + " in_flv_file input flv file, ingest from this file.\n" | ||
66 | + " out_rtmp_url output rtmp url, publish to this url.\n" | ||
67 | + "For example:\n" | ||
68 | + " %s -i ../../doc/source.200kbps.768x320.flv -y rtmp://127.0.0.1/live/demo\n", | ||
69 | + argv[0]); | ||
70 | + ret = 1; | ||
71 | + exit(ret); | ||
72 | + return ret; | ||
73 | + } | ||
74 | + | ||
75 | + // parse options in FFMPEG format. | ||
76 | + while ((opt = getopt(argc, argv, "i:y:")) != -1) { | ||
77 | + switch (opt) { | ||
78 | + case 'i': | ||
79 | + in_flv_file = optarg; | ||
80 | + break; | ||
81 | + case 'y': | ||
82 | + out_rtmp_url = optarg; | ||
83 | + break; | ||
84 | + default: | ||
85 | + break; | ||
86 | + } | ||
87 | + } | ||
88 | + | ||
89 | + trace("ingest flv file and publish to RTMP server like FFMPEG."); | ||
90 | + trace("srs(simple-rtmp-server) client librtmp library."); | ||
91 | + trace("version: %d.%d.%d", srs_version_major(), srs_version_minor(), srs_version_revision()); | ||
92 | + trace("input: %s", in_flv_file); | ||
93 | + trace("output: %s", out_rtmp_url); | ||
94 | + | ||
95 | + flv_fd = open_flv_file(in_flv_file); | ||
96 | + if (flv_fd <= 0) { | ||
97 | + ret = 2; | ||
98 | + trace("open flv file failed. ret=%d", ret); | ||
99 | + return ret; | ||
100 | + } | ||
101 | + | ||
102 | + ortmp = srs_rtmp_create(out_rtmp_url); | ||
103 | + | ||
104 | + ret = proxy(flv_fd, ortmp); | ||
105 | + trace("ingest flv to RTMP completed"); | ||
106 | + | ||
107 | + srs_rtmp_destroy(ortmp); | ||
108 | + close_flv_file(flv_fd); | ||
109 | + | ||
110 | + return ret; | ||
111 | +} | ||
112 | + | ||
113 | +int proxy(int flv_fd, srs_rtmp_t ortmp) | ||
114 | +{ | ||
115 | + int ret = 0; | ||
116 | + | ||
117 | + // packet data | ||
118 | + int type, size; | ||
119 | + u_int32_t timestamp = 0; | ||
120 | + char* data = NULL; | ||
121 | + // re | ||
122 | + int64_t re = re_create(); | ||
123 | + | ||
124 | + if ((ret = flv_open_ic(flv_fd)) != 0) { | ||
125 | + return ret; | ||
126 | + } | ||
127 | + if ((ret = connect_oc(ortmp)) != 0) { | ||
128 | + return ret; | ||
129 | + } | ||
130 | + | ||
131 | + trace("start ingest flv to RTMP stream"); | ||
132 | + for (;;) { | ||
133 | + if ((ret = flv_read_packet(flv_fd, &type, ×tamp, &data, &size)) != 0) { | ||
134 | + trace("irtmp get packet failed. ret=%d", ret); | ||
135 | + return ret; | ||
136 | + } | ||
137 | + verbose("irtmp got packet: type=%s, time=%d, size=%d", | ||
138 | + srs_type2string(type), timestamp, size); | ||
139 | + | ||
140 | + if ((ret = srs_write_packet(ortmp, type, timestamp, data, size)) != 0) { | ||
141 | + trace("irtmp get packet failed. ret=%d", ret); | ||
142 | + return ret; | ||
143 | + } | ||
144 | + verbose("ortmp sent packet: type=%s, time=%d, size=%d", | ||
145 | + srs_type2string(type), timestamp, size); | ||
146 | + | ||
147 | + re = re_update(re, timestamp); | ||
148 | + } | ||
149 | + | ||
150 | + return ret; | ||
151 | +} | ||
152 | + | ||
153 | +int connect_oc(srs_rtmp_t ortmp) | ||
154 | +{ | ||
155 | + int ret = 0; | ||
156 | + | ||
157 | + if ((ret = srs_simple_handshake(ortmp)) != 0) { | ||
158 | + trace("ortmp simple handshake failed. ret=%d", ret); | ||
159 | + return ret; | ||
160 | + } | ||
161 | + trace("ortmp simple handshake success"); | ||
162 | + | ||
163 | + if ((ret = srs_connect_app(ortmp)) != 0) { | ||
164 | + trace("ortmp connect vhost/app failed. ret=%d", ret); | ||
165 | + return ret; | ||
166 | + } | ||
167 | + trace("ortmp connect vhost/app success"); | ||
168 | + | ||
169 | + if ((ret = srs_publish_stream(ortmp)) != 0) { | ||
170 | + trace("ortmp publish stream failed. ret=%d", ret); | ||
171 | + return ret; | ||
172 | + } | ||
173 | + trace("ortmp publish stream success"); | ||
174 | + | ||
175 | + return ret; | ||
176 | +} | ||
177 | + | ||
178 | +int64_t re_create() | ||
179 | +{ | ||
180 | + return 0; | ||
181 | +} | ||
182 | +int64_t re_update(int64_t re, u_int32_t time) | ||
183 | +{ | ||
184 | + if (time - re > 500) { | ||
185 | + usleep((time - re) * 1000); | ||
186 | + return time; | ||
187 | + } | ||
188 | + | ||
189 | + return re; | ||
190 | +} | ||
191 | + | ||
192 | +int open_flv_file(char* in_flv_file) | ||
193 | +{ | ||
194 | + return open(in_flv_file, O_RDONLY); | ||
195 | +} | ||
196 | + | ||
197 | +void close_flv_file(int fd) | ||
198 | +{ | ||
199 | + if (fd > 0) { | ||
200 | + close(fd); | ||
201 | + } | ||
202 | +} | ||
203 | + | ||
204 | +int flv_open_ic(int flv_fd) | ||
205 | +{ | ||
206 | + int ret = 0; | ||
207 | + | ||
208 | + char h[13]; // 9+4 | ||
209 | + | ||
210 | + if (read(flv_fd, h, sizeof(h)) != sizeof(h)) { | ||
211 | + ret = -1; | ||
212 | + trace("read flv header failed. ret=%d", ret); | ||
213 | + return ret; | ||
214 | + } | ||
215 | + | ||
216 | + if (h[0] != 'F' || h[1] != 'L' || h[2] != 'V') { | ||
217 | + ret = -1; | ||
218 | + trace("input is not a flv file. ret=%d", ret); | ||
219 | + return ret; | ||
220 | + } | ||
221 | + | ||
222 | + return ret; | ||
223 | +} | ||
224 | + | ||
225 | +int flv_read_packet(int flv_fd, int* type, u_int32_t* timestamp, char** data, int* size) | ||
226 | +{ | ||
227 | + int ret = 0; | ||
228 | + | ||
229 | + char th[11]; // tag header | ||
230 | + char ts[4]; // tag size | ||
231 | + | ||
232 | + int32_t data_size = 0; | ||
233 | + u_int32_t time = 0; | ||
234 | + | ||
235 | + char* pp; | ||
236 | + | ||
237 | + // read tag header | ||
238 | + if (read(flv_fd, th, sizeof(th)) != sizeof(th)) { | ||
239 | + ret = -1; | ||
240 | + trace("read flv tag header failed. ret=%d", ret); | ||
241 | + return ret; | ||
242 | + } | ||
243 | + | ||
244 | + // Reserved UB [2] | ||
245 | + // Filter UB [1] | ||
246 | + // TagType UB [5] | ||
247 | + *type = (int)(th[0] & 0x1F); | ||
248 | + | ||
249 | + // DataSize UI24 | ||
250 | + pp = (char*)&data_size; | ||
251 | + pp[2] = th[1]; | ||
252 | + pp[1] = th[2]; | ||
253 | + pp[0] = th[3]; | ||
254 | + | ||
255 | + // Timestamp UI24 | ||
256 | + pp = (char*)&time; | ||
257 | + pp[2] = th[4]; | ||
258 | + pp[1] = th[5]; | ||
259 | + pp[0] = th[6]; | ||
260 | + | ||
261 | + // TimestampExtended UI8 | ||
262 | + pp[3] = th[7]; | ||
263 | + | ||
264 | + *timestamp = time; | ||
265 | + | ||
266 | + // check data size. | ||
267 | + if (data_size <= 0) { | ||
268 | + ret = -1; | ||
269 | + trace("invalid data size. size=%d, ret=%d", data_size, ret); | ||
270 | + return ret; | ||
271 | + } | ||
272 | + | ||
273 | + // read tag data. | ||
274 | + *size = data_size; | ||
275 | + *data = (char*)malloc(data_size); | ||
276 | + if (read(flv_fd, *data, data_size) != data_size) { | ||
277 | + ret = -1; | ||
278 | + trace("read flv tag data failed. size=%d, ret=%d", data_size, ret); | ||
279 | + return ret; | ||
280 | + } | ||
281 | + | ||
282 | + // ignore 4bytes tag size. | ||
283 | + if (read(flv_fd, ts, sizeof(ts)) != sizeof(ts)) { | ||
284 | + ret = -1; | ||
285 | + trace("read flv tag size failed. ret=%d", ret); | ||
286 | + return ret; | ||
287 | + } | ||
288 | + | ||
289 | + return ret; | ||
290 | +} |
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