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
|
#pragma once
/*
* Copyright (C) 2005-2010 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#if (defined HAVE_CONFIG_H) && (!defined WIN32)
#include "config.h"
#endif
#include "DynamicDll.h"
#include "DllAvCodec.h"
extern "C" {
#ifndef HAVE_MMX
#define HAVE_MMX
#endif
#ifndef __STDC_CONSTANT_MACROS
#define __STDC_CONSTANT_MACROS
#endif
#ifndef __GNUC__
#pragma warning(disable:4244)
#endif
#if (defined USE_EXTERNAL_FFMPEG)
#if (defined HAVE_LIBAVFORMAT_AVFORMAT_H)
#include <libavformat/avformat.h>
#else
#include <ffmpeg/avformat.h>
#endif
/* av_read_frame_flush() is defined for us in lib/xbmc-dll-symbols/DllAvFormat.c */
void av_read_frame_flush(AVFormatContext *s);
#else
#include "libavformat/avformat.h"
#endif
}
/* Flag introduced without a version bump */
#ifndef AVSEEK_FORCE
#define AVSEEK_FORCE 0x20000
#endif
typedef int64_t offset_t;
class DllAvFormatInterface
{
public:
virtual ~DllAvFormatInterface() {}
virtual void av_register_all_dont_call(void)=0;
virtual AVInputFormat *av_find_input_format(const char *short_name)=0;
virtual int url_feof(AVIOContext *s)=0;
virtual void avformat_close_input(AVFormatContext **s)=0;
virtual int av_read_frame(AVFormatContext *s, AVPacket *pkt)=0;
virtual void av_read_frame_flush(AVFormatContext *s)=0;
virtual int av_read_play(AVFormatContext *s)=0;
virtual int av_read_pause(AVFormatContext *s)=0;
virtual int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)=0;
#if (!defined USE_EXTERNAL_FFMPEG) && (!defined TARGET_DARWIN)
virtual int avformat_find_stream_info_dont_call(AVFormatContext *ic, AVDictionary **options)=0;
#endif
virtual int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)=0;
virtual AVIOContext *avio_alloc_context(unsigned char *buffer, int buffer_size, int write_flag, void *opaque,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
offset_t (*seek)(void *opaque, offset_t offset, int whence))=0;
virtual AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened)=0;
virtual AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)=0;
virtual int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt, const char *filename, void *logctx, unsigned int offset, unsigned int max_probe_size)=0;
virtual void av_dump_format(AVFormatContext *ic, int index, const char *url, int is_output)=0;
virtual int avio_open(AVIOContext **s, const char *filename, int flags)=0;
virtual int avio_close(AVIOContext *s)=0;
virtual int avio_open_dyn_buf(AVIOContext **s)=0;
virtual int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)=0;
virtual offset_t avio_seek(AVIOContext *s, offset_t offset, int whence)=0;
virtual int avio_read(AVIOContext *s, unsigned char *buf, int size)=0;
virtual void avio_w8(AVIOContext *s, int b)=0;
virtual void avio_write(AVIOContext *s, const unsigned char *buf, int size)=0;
virtual void avio_wb24(AVIOContext *s, unsigned int val)=0;
virtual void avio_wb32(AVIOContext *s, unsigned int val)=0;
virtual void avio_wb16(AVIOContext *s, unsigned int val)=0;
virtual AVFormatContext *avformat_alloc_context(void)=0;
virtual AVStream *avformat_new_stream(AVFormatContext *s, AVCodec *c)=0;
virtual AVOutputFormat *av_guess_format(const char *short_name, const char *filename, const char *mime_type)=0;
virtual int avformat_write_header (AVFormatContext *s, AVDictionary **options)=0;
virtual int av_write_trailer(AVFormatContext *s)=0;
virtual int av_write_frame (AVFormatContext *s, AVPacket *pkt)=0;
};
#if (defined USE_EXTERNAL_FFMPEG) || (defined TARGET_DARWIN)
// Use direct mapping
class DllAvFormat : public DllDynamic, DllAvFormatInterface
{
public:
virtual ~DllAvFormat() {}
virtual void av_register_all()
{
CSingleLock lock(DllAvCodec::m_critSection);
return ::av_register_all();
}
virtual void av_register_all_dont_call() { *(volatile int* )0x0 = 0; }
virtual AVInputFormat *av_find_input_format(const char *short_name) { return ::av_find_input_format(short_name); }
virtual int url_feof(AVIOContext *s) { return ::url_feof(s); }
virtual void avformat_close_input(AVFormatContext **s) { ::avformat_close_input(s); }
virtual int av_read_frame(AVFormatContext *s, AVPacket *pkt) { return ::av_read_frame(s, pkt); }
virtual void av_read_frame_flush(AVFormatContext *s) { ::av_read_frame_flush(s); }
virtual int av_read_play(AVFormatContext *s) { return ::av_read_play(s); }
virtual int av_read_pause(AVFormatContext *s) { return ::av_read_pause(s); }
virtual int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) { return ::av_seek_frame(s, stream_index, timestamp, flags); }
virtual int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
{
CSingleLock lock(DllAvCodec::m_critSection);
return ::avformat_find_stream_info(ic, options);
}
virtual int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)
{ return ::avformat_open_input(ps, filename, fmt, options); }
virtual AVIOContext *avio_alloc_context(unsigned char *buffer, int buffer_size, int write_flag, void *opaque,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
offset_t (*seek)(void *opaque, offset_t offset, int whence)) { return ::avio_alloc_context(buffer, buffer_size, write_flag, opaque, read_packet, write_packet, seek); }
virtual AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened) {return ::av_probe_input_format(pd, is_opened); }
virtual AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max) {*score_max = 100; return ::av_probe_input_format(pd, is_opened); } // Use av_probe_input_format, this is not exported by ffmpeg's headers
virtual int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt, const char *filename, void *logctx, unsigned int offset, unsigned int max_probe_size) { return ::av_probe_input_buffer(pb, fmt, filename, logctx, offset, max_probe_size); }
virtual void av_dump_format(AVFormatContext *ic, int index, const char *url, int is_output) { ::av_dump_format(ic, index, url, is_output); }
virtual int avio_open(AVIOContext **s, const char *filename, int flags) { return ::avio_open(s, filename, flags); }
virtual int avio_close(AVIOContext *s) { return ::avio_close(s); }
virtual int avio_open_dyn_buf(AVIOContext **s) { return ::avio_open_dyn_buf(s); }
virtual int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer) { return ::avio_close_dyn_buf(s, pbuffer); }
virtual offset_t avio_seek(AVIOContext *s, offset_t offset, int whence) { return ::avio_seek(s, offset, whence); }
virtual int avio_read(AVIOContext *s, unsigned char *buf, int size) { return ::avio_read(s, buf, size); }
virtual void avio_w8(AVIOContext *s, int b) { ::avio_w8(s, b); }
virtual void avio_write(AVIOContext *s, const unsigned char *buf, int size) { ::avio_write(s, buf, size); }
virtual void avio_wb24(AVIOContext *s, unsigned int val) { ::avio_wb24(s, val); }
virtual void avio_wb32(AVIOContext *s, unsigned int val) { ::avio_wb32(s, val); }
virtual void avio_wb16(AVIOContext *s, unsigned int val) { ::avio_wb16(s, val); }
virtual AVFormatContext *avformat_alloc_context() { return ::avformat_alloc_context(); }
virtual AVStream *avformat_new_stream(AVFormatContext *s, AVCodec *c) { return ::avformat_new_stream(s, c); }
virtual AVOutputFormat *av_guess_format(const char *short_name, const char *filename, const char *mime_type) { return ::av_guess_format(short_name, filename, mime_type); }
virtual int avformat_write_header (AVFormatContext *s, AVDictionary **options) { return ::avformat_write_header (s, options); }
virtual int av_write_trailer(AVFormatContext *s) { return ::av_write_trailer(s); }
virtual int av_write_frame (AVFormatContext *s, AVPacket *pkt) { return ::av_write_frame(s, pkt); }
// DLL faking.
virtual bool ResolveExports() { return true; }
virtual bool Load() {
#if !defined(TARGET_DARWIN)
CLog::Log(LOGDEBUG, "DllAvFormat: Using libavformat system library");
#endif
return true;
}
virtual void Unload() {}
};
#else
class DllAvFormat : public DllDynamic, DllAvFormatInterface
{
DECLARE_DLL_WRAPPER(DllAvFormat, DLL_PATH_LIBAVFORMAT)
LOAD_SYMBOLS()
DEFINE_METHOD0(void, av_register_all_dont_call)
DEFINE_METHOD1(AVInputFormat*, av_find_input_format, (const char *p1))
DEFINE_METHOD1(int, url_feof, (AVIOContext *p1))
DEFINE_METHOD1(void, avformat_close_input, (AVFormatContext **p1))
DEFINE_METHOD1(int, av_read_play, (AVFormatContext *p1))
DEFINE_METHOD1(int, av_read_pause, (AVFormatContext *p1))
DEFINE_METHOD1(void, av_read_frame_flush, (AVFormatContext *p1))
DEFINE_FUNC_ALIGNED2(int, __cdecl, av_read_frame, AVFormatContext *, AVPacket *)
DEFINE_FUNC_ALIGNED4(int, __cdecl, av_seek_frame, AVFormatContext*, int, int64_t, int)
DEFINE_FUNC_ALIGNED2(int, __cdecl, avformat_find_stream_info_dont_call, AVFormatContext*, AVDictionary **)
DEFINE_FUNC_ALIGNED4(int, __cdecl, avformat_open_input, AVFormatContext **, const char *, AVInputFormat *, AVDictionary **)
DEFINE_FUNC_ALIGNED2(AVInputFormat*, __cdecl, av_probe_input_format, AVProbeData*, int)
DEFINE_FUNC_ALIGNED3(AVInputFormat*, __cdecl, av_probe_input_format2, AVProbeData*, int, int*)
DEFINE_FUNC_ALIGNED6(int, __cdecl, av_probe_input_buffer, AVIOContext *, AVInputFormat **, const char *, void *, unsigned int, unsigned int)
DEFINE_FUNC_ALIGNED3(int, __cdecl, avio_read, AVIOContext*, unsigned char *, int)
DEFINE_FUNC_ALIGNED2(void, __cdecl, avio_w8, AVIOContext*, int)
DEFINE_FUNC_ALIGNED3(void, __cdecl, avio_write, AVIOContext*, const unsigned char *, int)
DEFINE_FUNC_ALIGNED2(void, __cdecl, avio_wb24, AVIOContext*, unsigned int)
DEFINE_FUNC_ALIGNED2(void, __cdecl, avio_wb32, AVIOContext*, unsigned int)
DEFINE_FUNC_ALIGNED2(void, __cdecl, avio_wb16, AVIOContext*, unsigned int)
DEFINE_METHOD7(AVIOContext *, avio_alloc_context, (unsigned char *p1, int p2, int p3, void *p4,
int (*p5)(void *opaque, uint8_t *buf, int buf_size),
int (*p6)(void *opaque, uint8_t *buf, int buf_size),
offset_t (*p7)(void *opaque, offset_t offset, int whence)))
DEFINE_METHOD4(void, av_dump_format, (AVFormatContext *p1, int p2, const char *p3, int p4))
DEFINE_METHOD3(int, avio_open, (AVIOContext **p1, const char *p2, int p3))
DEFINE_METHOD1(int, avio_close, (AVIOContext *p1))
DEFINE_METHOD1(int, avio_open_dyn_buf, (AVIOContext **p1))
DEFINE_METHOD2(int, avio_close_dyn_buf, (AVIOContext *p1, uint8_t **p2))
DEFINE_METHOD3(offset_t, avio_seek, (AVIOContext *p1, offset_t p2, int p3))
DEFINE_METHOD0(AVFormatContext *, avformat_alloc_context)
DEFINE_METHOD2(AVStream *, avformat_new_stream, (AVFormatContext *p1, AVCodec *p2))
DEFINE_METHOD3(AVOutputFormat *, av_guess_format, (const char *p1, const char *p2, const char *p3))
DEFINE_METHOD2(int, avformat_write_header , (AVFormatContext *p1, AVDictionary **p2))
DEFINE_METHOD1(int, av_write_trailer, (AVFormatContext *p1))
DEFINE_METHOD2(int, av_write_frame , (AVFormatContext *p1, AVPacket *p2))
BEGIN_METHOD_RESOLVE()
RESOLVE_METHOD_RENAME(av_register_all, av_register_all_dont_call)
RESOLVE_METHOD(av_find_input_format)
RESOLVE_METHOD(url_feof)
RESOLVE_METHOD(avformat_close_input)
RESOLVE_METHOD(av_read_frame)
RESOLVE_METHOD(av_read_play)
RESOLVE_METHOD(av_read_pause)
RESOLVE_METHOD(av_read_frame_flush)
RESOLVE_METHOD(av_seek_frame)
RESOLVE_METHOD_RENAME(avformat_find_stream_info, avformat_find_stream_info_dont_call)
RESOLVE_METHOD(avformat_open_input)
RESOLVE_METHOD(avio_alloc_context)
RESOLVE_METHOD(av_probe_input_format)
RESOLVE_METHOD(av_probe_input_format2)
RESOLVE_METHOD(av_probe_input_buffer)
RESOLVE_METHOD(av_dump_format)
RESOLVE_METHOD(avio_open)
RESOLVE_METHOD(avio_close)
RESOLVE_METHOD(avio_open_dyn_buf)
RESOLVE_METHOD(avio_close_dyn_buf)
RESOLVE_METHOD(avio_seek)
RESOLVE_METHOD(avio_read)
RESOLVE_METHOD(avio_w8)
RESOLVE_METHOD(avio_write)
RESOLVE_METHOD(avio_wb24)
RESOLVE_METHOD(avio_wb32)
RESOLVE_METHOD(avio_wb16)
RESOLVE_METHOD(avformat_alloc_context)
RESOLVE_METHOD(avformat_new_stream)
RESOLVE_METHOD(av_guess_format)
RESOLVE_METHOD(avformat_write_header)
RESOLVE_METHOD(av_write_trailer)
RESOLVE_METHOD(av_write_frame)
END_METHOD_RESOLVE()
/* dependencies of libavformat */
DllAvCodec m_dllAvCodec;
// DllAvUtil loaded implicitely by m_dllAvCodec
public:
void av_register_all()
{
CSingleLock lock(DllAvCodec::m_critSection);
av_register_all_dont_call();
}
int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
{
CSingleLock lock(DllAvCodec::m_critSection);
return avformat_find_stream_info_dont_call(ic, options);
}
virtual bool Load()
{
if (!m_dllAvCodec.Load())
return false;
return DllDynamic::Load();
}
};
#endif
|
