3 * Copyright (C) 2005-2013 Team XBMC
6 * This Program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
11 * This Program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with XBMC; see the file COPYING. If not, write to
18 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
19 * http://www.gnu.org/copyleft/gpl.html
23 #if (defined HAVE_CONFIG_H) && (!defined WIN32)
26 #include "DynamicDll.h"
27 #include "DllAvCodec.h"
33 #ifndef __STDC_CONSTANT_MACROS
34 #define __STDC_CONSTANT_MACROS
37 #pragma warning(disable:4244)
39 #if (defined USE_EXTERNAL_FFMPEG)
40 #if (defined HAVE_LIBAVFORMAT_AVFORMAT_H)
41 #include <libavformat/avformat.h>
43 #include <ffmpeg/avformat.h>
45 /* xbmc_read_frame_flush() is defined for us in lib/xbmc-dll-symbols/DllAvFormat.c */
46 void xbmc_read_frame_flush(AVFormatContext *s);
48 #include "libavformat/avformat.h"
49 #if defined(TARGET_DARWIN)
50 void ff_read_frame_flush(AVFormatContext *s); // internal replacement
51 #define xbmc_read_frame_flush ff_read_frame_flush
56 /* Flag introduced without a version bump */
58 #define AVSEEK_FORCE 0x20000
61 typedef int64_t offset_t;
63 class DllAvFormatInterface
66 virtual ~DllAvFormatInterface() {}
67 virtual void av_register_all_dont_call(void)=0;
68 virtual AVInputFormat *av_find_input_format(const char *short_name)=0;
69 virtual void avformat_close_input(AVFormatContext **s)=0;
70 virtual int av_read_frame(AVFormatContext *s, AVPacket *pkt)=0;
71 virtual void av_read_frame_flush(AVFormatContext *s)=0;
72 virtual int av_read_play(AVFormatContext *s)=0;
73 virtual int av_read_pause(AVFormatContext *s)=0;
74 virtual int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)=0;
75 #if (!defined USE_EXTERNAL_FFMPEG) && (!defined TARGET_DARWIN)
76 virtual int avformat_find_stream_info_dont_call(AVFormatContext *ic, AVDictionary **options)=0;
78 virtual int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)=0;
79 virtual AVIOContext *avio_alloc_context(unsigned char *buffer, int buffer_size, int write_flag, void *opaque,
80 int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
81 int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
82 offset_t (*seek)(void *opaque, offset_t offset, int whence))=0;
83 virtual AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened)=0;
84 virtual AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)=0;
85 virtual int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt, const char *filename, void *logctx, unsigned int offset, unsigned int max_probe_size)=0;
86 virtual void av_dump_format(AVFormatContext *ic, int index, const char *url, int is_output)=0;
87 virtual int avio_open(AVIOContext **s, const char *filename, int flags)=0;
88 virtual int avio_close(AVIOContext *s)=0;
89 virtual int avio_open_dyn_buf(AVIOContext **s)=0;
90 virtual int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)=0;
91 virtual offset_t avio_seek(AVIOContext *s, offset_t offset, int whence)=0;
92 virtual int avio_read(AVIOContext *s, unsigned char *buf, int size)=0;
93 virtual void avio_w8(AVIOContext *s, int b)=0;
94 virtual void avio_write(AVIOContext *s, const unsigned char *buf, int size)=0;
95 virtual void avio_wb24(AVIOContext *s, unsigned int val)=0;
96 virtual void avio_wb32(AVIOContext *s, unsigned int val)=0;
97 virtual void avio_wb16(AVIOContext *s, unsigned int val)=0;
98 virtual AVFormatContext *avformat_alloc_context(void)=0;
99 virtual AVStream *avformat_new_stream(AVFormatContext *s, AVCodec *c)=0;
100 virtual AVOutputFormat *av_guess_format(const char *short_name, const char *filename, const char *mime_type)=0;
101 virtual int avformat_write_header (AVFormatContext *s, AVDictionary **options)=0;
102 virtual int av_write_trailer(AVFormatContext *s)=0;
103 virtual int av_write_frame (AVFormatContext *s, AVPacket *pkt)=0;
106 #if (defined USE_EXTERNAL_FFMPEG) || (defined TARGET_DARWIN)
108 // Use direct mapping
109 class DllAvFormat : public DllDynamic, DllAvFormatInterface
112 virtual ~DllAvFormat() {}
113 virtual void av_register_all()
115 CSingleLock lock(DllAvCodec::m_critSection);
116 return ::av_register_all();
118 virtual void av_register_all_dont_call() { *(volatile int* )0x0 = 0; }
119 virtual AVInputFormat *av_find_input_format(const char *short_name) { return ::av_find_input_format(short_name); }
120 virtual void avformat_close_input(AVFormatContext **s) { ::avformat_close_input(s); }
121 virtual int av_read_frame(AVFormatContext *s, AVPacket *pkt) { return ::av_read_frame(s, pkt); }
122 virtual void av_read_frame_flush(AVFormatContext *s) { ::xbmc_read_frame_flush(s); }
123 virtual int av_read_play(AVFormatContext *s) { return ::av_read_play(s); }
124 virtual int av_read_pause(AVFormatContext *s) { return ::av_read_pause(s); }
125 virtual int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) { return ::av_seek_frame(s, stream_index, timestamp, flags); }
126 virtual int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
128 CSingleLock lock(DllAvCodec::m_critSection);
129 return ::avformat_find_stream_info(ic, options);
131 virtual int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)
132 { return ::avformat_open_input(ps, filename, fmt, options); }
133 virtual AVIOContext *avio_alloc_context(unsigned char *buffer, int buffer_size, int write_flag, void *opaque,
134 int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
135 int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
136 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); }
137 virtual AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened) {return ::av_probe_input_format(pd, is_opened); }
138 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
139 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); }
140 virtual void av_dump_format(AVFormatContext *ic, int index, const char *url, int is_output) { ::av_dump_format(ic, index, url, is_output); }
141 virtual int avio_open(AVIOContext **s, const char *filename, int flags) { return ::avio_open(s, filename, flags); }
142 virtual int avio_close(AVIOContext *s) { return ::avio_close(s); }
143 virtual int avio_open_dyn_buf(AVIOContext **s) { return ::avio_open_dyn_buf(s); }
144 virtual int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer) { return ::avio_close_dyn_buf(s, pbuffer); }
145 virtual offset_t avio_seek(AVIOContext *s, offset_t offset, int whence) { return ::avio_seek(s, offset, whence); }
146 virtual int avio_read(AVIOContext *s, unsigned char *buf, int size) { return ::avio_read(s, buf, size); }
147 virtual void avio_w8(AVIOContext *s, int b) { ::avio_w8(s, b); }
148 virtual void avio_write(AVIOContext *s, const unsigned char *buf, int size) { ::avio_write(s, buf, size); }
149 virtual void avio_wb24(AVIOContext *s, unsigned int val) { ::avio_wb24(s, val); }
150 virtual void avio_wb32(AVIOContext *s, unsigned int val) { ::avio_wb32(s, val); }
151 virtual void avio_wb16(AVIOContext *s, unsigned int val) { ::avio_wb16(s, val); }
152 virtual AVFormatContext *avformat_alloc_context() { return ::avformat_alloc_context(); }
153 virtual AVStream *avformat_new_stream(AVFormatContext *s, AVCodec *c) { return ::avformat_new_stream(s, c); }
154 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); }
155 virtual int avformat_write_header (AVFormatContext *s, AVDictionary **options) { return ::avformat_write_header (s, options); }
156 virtual int av_write_trailer(AVFormatContext *s) { return ::av_write_trailer(s); }
157 virtual int av_write_frame (AVFormatContext *s, AVPacket *pkt) { return ::av_write_frame(s, pkt); }
160 virtual bool ResolveExports() { return true; }
161 virtual bool Load() {
162 #if !defined(TARGET_DARWIN)
163 CLog::Log(LOGDEBUG, "DllAvFormat: Using libavformat system library");
167 virtual void Unload() {}
172 class DllAvFormat : public DllDynamic, DllAvFormatInterface
174 DECLARE_DLL_WRAPPER(DllAvFormat, DLL_PATH_LIBAVFORMAT)
178 DEFINE_METHOD0(void, av_register_all_dont_call)
179 DEFINE_METHOD1(AVInputFormat*, av_find_input_format, (const char *p1))
180 DEFINE_METHOD1(void, avformat_close_input, (AVFormatContext **p1))
181 DEFINE_METHOD1(int, av_read_play, (AVFormatContext *p1))
182 DEFINE_METHOD1(int, av_read_pause, (AVFormatContext *p1))
183 DEFINE_METHOD1(void, av_read_frame_flush, (AVFormatContext *p1))
184 DEFINE_FUNC_ALIGNED2(int, __cdecl, av_read_frame, AVFormatContext *, AVPacket *)
185 DEFINE_FUNC_ALIGNED4(int, __cdecl, av_seek_frame, AVFormatContext*, int, int64_t, int)
186 DEFINE_FUNC_ALIGNED2(int, __cdecl, avformat_find_stream_info_dont_call, AVFormatContext*, AVDictionary **)
187 DEFINE_FUNC_ALIGNED4(int, __cdecl, avformat_open_input, AVFormatContext **, const char *, AVInputFormat *, AVDictionary **)
188 DEFINE_FUNC_ALIGNED2(AVInputFormat*, __cdecl, av_probe_input_format, AVProbeData*, int)
189 DEFINE_FUNC_ALIGNED3(AVInputFormat*, __cdecl, av_probe_input_format2, AVProbeData*, int, int*)
190 DEFINE_FUNC_ALIGNED6(int, __cdecl, av_probe_input_buffer, AVIOContext *, AVInputFormat **, const char *, void *, unsigned int, unsigned int)
191 DEFINE_FUNC_ALIGNED3(int, __cdecl, avio_read, AVIOContext*, unsigned char *, int)
192 DEFINE_FUNC_ALIGNED2(void, __cdecl, avio_w8, AVIOContext*, int)
193 DEFINE_FUNC_ALIGNED3(void, __cdecl, avio_write, AVIOContext*, const unsigned char *, int)
194 DEFINE_FUNC_ALIGNED2(void, __cdecl, avio_wb24, AVIOContext*, unsigned int)
195 DEFINE_FUNC_ALIGNED2(void, __cdecl, avio_wb32, AVIOContext*, unsigned int)
196 DEFINE_FUNC_ALIGNED2(void, __cdecl, avio_wb16, AVIOContext*, unsigned int)
197 DEFINE_METHOD7(AVIOContext *, avio_alloc_context, (unsigned char *p1, int p2, int p3, void *p4,
198 int (*p5)(void *opaque, uint8_t *buf, int buf_size),
199 int (*p6)(void *opaque, uint8_t *buf, int buf_size),
200 offset_t (*p7)(void *opaque, offset_t offset, int whence)))
201 DEFINE_METHOD4(void, av_dump_format, (AVFormatContext *p1, int p2, const char *p3, int p4))
202 DEFINE_METHOD3(int, avio_open, (AVIOContext **p1, const char *p2, int p3))
203 DEFINE_METHOD1(int, avio_close, (AVIOContext *p1))
204 DEFINE_METHOD1(int, avio_open_dyn_buf, (AVIOContext **p1))
205 DEFINE_METHOD2(int, avio_close_dyn_buf, (AVIOContext *p1, uint8_t **p2))
206 DEFINE_METHOD3(offset_t, avio_seek, (AVIOContext *p1, offset_t p2, int p3))
207 DEFINE_METHOD0(AVFormatContext *, avformat_alloc_context)
208 DEFINE_METHOD2(AVStream *, avformat_new_stream, (AVFormatContext *p1, AVCodec *p2))
209 DEFINE_METHOD3(AVOutputFormat *, av_guess_format, (const char *p1, const char *p2, const char *p3))
210 DEFINE_METHOD2(int, avformat_write_header , (AVFormatContext *p1, AVDictionary **p2))
211 DEFINE_METHOD1(int, av_write_trailer, (AVFormatContext *p1))
212 DEFINE_METHOD2(int, av_write_frame , (AVFormatContext *p1, AVPacket *p2))
213 BEGIN_METHOD_RESOLVE()
214 RESOLVE_METHOD_RENAME(av_register_all, av_register_all_dont_call)
215 RESOLVE_METHOD(av_find_input_format)
216 RESOLVE_METHOD(avformat_close_input)
217 RESOLVE_METHOD(av_read_frame)
218 RESOLVE_METHOD(av_read_play)
219 RESOLVE_METHOD(av_read_pause)
220 RESOLVE_METHOD(av_read_frame_flush)
221 RESOLVE_METHOD(av_seek_frame)
222 RESOLVE_METHOD_RENAME(avformat_find_stream_info, avformat_find_stream_info_dont_call)
223 RESOLVE_METHOD(avformat_open_input)
224 RESOLVE_METHOD(avio_alloc_context)
225 RESOLVE_METHOD(av_probe_input_format)
226 RESOLVE_METHOD(av_probe_input_format2)
227 RESOLVE_METHOD(av_probe_input_buffer)
228 RESOLVE_METHOD(av_dump_format)
229 RESOLVE_METHOD(avio_open)
230 RESOLVE_METHOD(avio_close)
231 RESOLVE_METHOD(avio_open_dyn_buf)
232 RESOLVE_METHOD(avio_close_dyn_buf)
233 RESOLVE_METHOD(avio_seek)
234 RESOLVE_METHOD(avio_read)
235 RESOLVE_METHOD(avio_w8)
236 RESOLVE_METHOD(avio_write)
237 RESOLVE_METHOD(avio_wb24)
238 RESOLVE_METHOD(avio_wb32)
239 RESOLVE_METHOD(avio_wb16)
240 RESOLVE_METHOD(avformat_alloc_context)
241 RESOLVE_METHOD(avformat_new_stream)
242 RESOLVE_METHOD(av_guess_format)
243 RESOLVE_METHOD(avformat_write_header)
244 RESOLVE_METHOD(av_write_trailer)
245 RESOLVE_METHOD(av_write_frame)
248 /* dependencies of libavformat */
249 DllAvCodec m_dllAvCodec;
250 // DllAvUtil loaded implicitely by m_dllAvCodec
253 void av_register_all()
255 CSingleLock lock(DllAvCodec::m_critSection);
256 av_register_all_dont_call();
258 int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
260 CSingleLock lock(DllAvCodec::m_critSection);
261 return avformat_find_stream_info_dont_call(ic, options);
266 if (!m_dllAvCodec.Load())
268 return DllDynamic::Load();