-
Notifications
You must be signed in to change notification settings - Fork 3
/
av.c
349 lines (279 loc) · 8.92 KB
/
av.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Julien PAULI <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_av.h"
/* If you declare any globals in php_av.h uncomment this:
ZEND_DECLARE_MODULE_GLOBALS(av)
*/
ZEND_BEGIN_ARG_INFO(arginfo_av_file_open, 0)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_av_file_close, 0)
ZEND_ARG_INFO(0, avfile_resource)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_av_stream_open, 0)
ZEND_ARG_INFO(0, avfile_resource)
ZEND_ARG_INFO(0, stream_no)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_av_stream_close, 0)
ZEND_ARG_INFO(0, avstream_resource)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_av_file_get_metadata, 0)
ZEND_ARG_INFO(0, avfile_resource)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_av_stream_get_metadata, 0)
ZEND_ARG_INFO(0, avstream_resource)
ZEND_END_ARG_INFO()
const zend_function_entry av_functions[] = {
PHP_FE(av_file_open, arginfo_av_file_open)
PHP_FE(av_file_close, arginfo_av_file_close)
PHP_FE(av_file_get_metadata, arginfo_av_file_get_metadata)
PHP_FE(av_stream_open, arginfo_av_stream_open)
PHP_FE(av_stream_close, arginfo_av_stream_close)
PHP_FE(av_stream_get_metadata, arginfo_av_stream_get_metadata)
PHP_FE(av_libav_get_info, NULL)
PHP_FE_END
};
/* }}} */
/* {{{ av_module_entry
*/
zend_module_entry av_module_entry = {
STANDARD_MODULE_HEADER,
"av",
av_functions,
PHP_MINIT(av),
PHP_MSHUTDOWN(av),
PHP_RINIT(av),
PHP_RSHUTDOWN(av),
PHP_MINFO(av),
PHP_AV_VERSION,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_AV
ZEND_GET_MODULE(av)
#endif
static void avfile_resource_dtor(zend_rsrc_list_entry *rsrc)
{
php_av_file *av_file = NULL;
av_file = (php_av_file *)rsrc->ptr;
php_av_file_close(av_file);
}
static void avstream_resource_dtor(zend_rsrc_list_entry *rsrc)
{
php_av_stream *stream = NULL;
stream = (php_av_stream *)rsrc->ptr;
php_av_stream_close(stream);
}
static void _resource_close(INTERNAL_FUNCTION_PARAMETERS)
{
zval *res = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
return;
}
zend_list_delete(Z_RESVAL_P(res));
}
static php_av_file *php_av_file_open(char *filename)
{
AVFormatContext *av_ctx = NULL;
php_av_file *file = NULL;
int ret = 0;
if (ret = avformat_open_input(&av_ctx, filename, NULL, NULL)) {
AV_SET_LAST_ERROR(ret);
return NULL;
}
avformat_find_stream_info(av_ctx, NULL);
file = ecalloc(1, sizeof(*file));
file->av_file = av_ctx;
file->is_user_opened = 1;
return file;
}
static php_av_stream *php_av_stream_open_from_file(php_av_file *file, uint stream_no)
{
php_av_stream *php_av_stream = NULL;
if (stream_no > file->av_file->nb_streams) {
return NULL;
}
php_av_stream = ecalloc(1, sizeof(*php_av_stream));
php_av_stream->php_av_file = file;
php_av_stream->stream = file->av_file->streams[stream_no];
file->user_opened_streams++;
return php_av_stream;
}
static void php_av_stream_close(php_av_stream *av_stream)
{
av_stream->php_av_file->user_opened_streams--;
_php_av_file_dtor(av_stream->php_av_file);
efree(av_stream);
}
static void php_av_file_close(php_av_file *av_file)
{
av_file->is_user_opened = 0;
_php_av_file_dtor(av_file);
}
static void _php_av_file_dtor(php_av_file *php_av_file)
{
if (!php_av_file->is_user_opened && php_av_file->user_opened_streams == 0) {
avformat_free_context(php_av_file->av_file);
efree(php_av_file);
}
}
static const char *_php_av_get_stream_type(php_av_stream *pas)
{
switch (pas->stream->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
return "audio";
case AVMEDIA_TYPE_VIDEO:
return "video";
case AVMEDIA_TYPE_SUBTITLE:
return "subtitle";
}
return "unknown";
}
PHP_MINIT_FUNCTION(av)
{
/* If you have INI entries, uncomment these lines
REGISTER_INI_ENTRIES();
*/
le_avfile_resource = zend_register_list_destructors_ex(avfile_resource_dtor, NULL, AVFILE_RESOURCE_NAME, module_number);
le_avstream_resource = zend_register_list_destructors_ex(avstream_resource_dtor, NULL, AVSTREAM_RESOURCE_NAME, module_number);
av_register_all();
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(av)
{
/* uncomment this line if you have INI entries
UNREGISTER_INI_ENTRIES();
*/
return SUCCESS;
}
PHP_RINIT_FUNCTION(av)
{
return SUCCESS;
}
PHP_RSHUTDOWN_FUNCTION(av)
{
return SUCCESS;
}
PHP_MINFO_FUNCTION(av)
{
php_info_print_table_start();
php_info_print_table_header(2, "av support", "enabled");
php_info_print_table_header(2, "libav version", avformat_version());
php_info_print_table_row(1, "av extension developped by Julien PAULI");
php_info_print_table_end();
/* Remove comments if you have entries in php.ini
DISPLAY_INI_ENTRIES();
*/
}
PHP_FUNCTION(av_file_open)
{
char *filename = NULL;
int filename_len;
php_av_file *av_file = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &filename, &filename_len) == FAILURE) {
return;
}
av_file = php_av_file_open(filename);
if (!av_file) {
AV_LAST_ERROR_TO_PHP
return;
}
ZEND_REGISTER_RESOURCE(return_value, (void *)av_file, le_avfile_resource);
}
PHP_FUNCTION(av_file_close)
{
_resource_close(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
PHP_FUNCTION(av_file_get_metadata)
{
php_av_file *paf = NULL;
zval *res = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(paf, php_av_file *, &res, -1, AVFILE_RESOURCE_NAME, le_avfile_resource);
array_init(return_value);
add_assoc_long(return_value, "nb_streams", paf->av_file->nb_streams);
add_assoc_string(return_value, "filename", paf->av_file->filename, 1);
add_assoc_long(return_value, "duration", paf->av_file->duration);
add_assoc_long(return_value, "bit_rate", paf->av_file->bit_rate);
}
PHP_FUNCTION(av_stream_open)
{
php_av_file *paf = NULL;
zval *res = NULL;
php_av_stream *pas = NULL;
long stream_no = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &res, &stream_no) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(paf, php_av_file *, &res, -1, AVFILE_RESOURCE_NAME, le_avfile_resource);
pas = php_av_stream_open_from_file(paf, stream_no);
if (!pas) {
php_error(E_WARNING, "Unknown stream number %d", stream_no);
return;
}
ZEND_REGISTER_RESOURCE(return_value, (void *)pas, le_avstream_resource);
}
PHP_FUNCTION(av_stream_close)
{
_resource_close(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
PHP_FUNCTION(av_stream_get_metadata)
{
php_av_stream *pas = NULL;
zval *res = NULL;
AVCodec *codec = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(pas, php_av_stream *, &res, -1, AVSTREAM_RESOURCE_NAME, le_avstream_resource);
codec = avcodec_find_decoder(pas->stream->codec->codec_id);
array_init(return_value);
add_assoc_string(return_value, "type", (char *)_php_av_get_stream_type(pas), 1);
add_assoc_string(return_value, "codec", (char *)codec->long_name, 1);
add_assoc_long(return_value, "duration", pas->stream->duration);
if (codec->type == AVMEDIA_TYPE_VIDEO) {
add_assoc_long(return_value, "width", pas->stream->codec->width);
add_assoc_long(return_value, "height", pas->stream->codec->height);
}
if (codec->type == AVMEDIA_TYPE_AUDIO) {
add_assoc_long(return_value, "audio_channels", pas->stream->codec->channels);
add_assoc_long(return_value, "sample_rate", pas->stream->codec->sample_rate);
add_assoc_long(return_value, "bit_rate", pas->stream->codec->bit_rate);
}
}
PHP_FUNCTION(av_libav_get_info)
{
char *version = NULL;
int version_len;
if (zend_parse_parameters_none() == FAILURE) {
return;
}
version_len = spprintf(&version, 0, "%d.%d.%d", LIBAVFORMAT_VERSION_MAJOR, LIBAVFORMAT_VERSION_MINOR, LIBAVFORMAT_VERSION_MICRO);
array_init(return_value);
add_assoc_stringl(return_value, "version", version, version_len, 0);
add_assoc_string(return_value, "configuration", (char *)avformat_configuration(), 1);
add_assoc_string(return_value, "license", (char *)avformat_license(), 1);
}