diff options
author | Linus Nielsen Feltzing <linus@haxx.se> | 2004-06-10 13:29:52 +0000 |
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committer | Linus Nielsen Feltzing <linus@haxx.se> | 2004-06-10 13:29:52 +0000 |
commit | a6142ab7ab58f69a3f1a034db4bdf1eff24d3dd6 (patch) | |
tree | ef00c3ec8074ccb080b221c7d1dd4b3d03c8fd87 /apps/plugins | |
parent | 5fc1b64ae051e454d2b3bf3a20be5d88937e55e7 (diff) | |
download | rockbox-a6142ab7ab58f69a3f1a034db4bdf1eff24d3dd6.tar.gz rockbox-a6142ab7ab58f69a3f1a034db4bdf1eff24d3dd6.zip |
Finally, the archos directory sandbox works in the same way for both X11 and win32 simulators. Unfortunately, this breaks the VC++ compatibility. Also, the plugin API now supports DEBUGF. Last, but not least, we have a new plugin, vbrfix.rock.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4726 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins')
-rw-r--r-- | apps/plugins/Makefile | 2 | ||||
-rw-r--r-- | apps/plugins/vbrfix.c | 280 | ||||
-rw-r--r-- | apps/plugins/viewers.config | 1 |
3 files changed, 282 insertions, 1 deletions
diff --git a/apps/plugins/Makefile b/apps/plugins/Makefile index 367103be67..1c703f2573 100644 --- a/apps/plugins/Makefile +++ b/apps/plugins/Makefile | |||
@@ -15,7 +15,7 @@ FIRMWARE = ../../firmware | |||
15 | INCLUDES = -I$(FIRMWARE)/include -I$(FIRMWARE)/export -I$(FIRMWARE)/common \ | 15 | INCLUDES = -I$(FIRMWARE)/include -I$(FIRMWARE)/export -I$(FIRMWARE)/common \ |
16 | -I$(FIRMWARE)/drivers -I.. -Ilib | 16 | -I$(FIRMWARE)/drivers -I.. -Ilib |
17 | CFLAGS = -O -W -Wall -m1 -nostdlib -ffreestanding -Wstrict-prototypes \ | 17 | CFLAGS = -O -W -Wall -m1 -nostdlib -ffreestanding -Wstrict-prototypes \ |
18 | $(INCLUDES) $(TARGET) $(EXTRA_DEFINES) -DMEM=${MEM} | 18 | $(INCLUDES) $(TARGET) $(EXTRA_DEFINES) -DMEM=${MEM} -DPLUGIN |
19 | 19 | ||
20 | LDS := plugin.lds | 20 | LDS := plugin.lds |
21 | LINKFILE := $(OBJDIR)/pluginlink.lds | 21 | LINKFILE := $(OBJDIR)/pluginlink.lds |
diff --git a/apps/plugins/vbrfix.c b/apps/plugins/vbrfix.c new file mode 100644 index 0000000000..1beca2669d --- /dev/null +++ b/apps/plugins/vbrfix.c | |||
@@ -0,0 +1,280 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2004 Linus Nielsen Feltzing | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #include "plugin.h" | ||
20 | |||
21 | static struct plugin_api* rb; | ||
22 | |||
23 | static char *mp3buf; | ||
24 | static int mp3buflen; | ||
25 | |||
26 | static void xingupdate(int percent) | ||
27 | { | ||
28 | char buf[32]; | ||
29 | |||
30 | rb->snprintf(buf, 32, "%d%%", percent); | ||
31 | rb->lcd_puts(0, 1, buf); | ||
32 | #ifdef HAVE_LCD_BITMAP | ||
33 | rb->lcd_update(); | ||
34 | #endif | ||
35 | } | ||
36 | |||
37 | static int insert_data_in_file(char *fname, int fpos, char *buf, int num_bytes) | ||
38 | { | ||
39 | int readlen; | ||
40 | int rc; | ||
41 | int orig_fd, fd; | ||
42 | char tmpname[MAX_PATH]; | ||
43 | |||
44 | rb->snprintf(tmpname, MAX_PATH, "%s.tmp", fname); | ||
45 | |||
46 | orig_fd = rb->open(fname, O_RDONLY); | ||
47 | if(orig_fd < 0) { | ||
48 | return 10*orig_fd - 1; | ||
49 | } | ||
50 | |||
51 | fd = rb->creat(tmpname, O_WRONLY); | ||
52 | if(fd < 0) { | ||
53 | rb->close(orig_fd); | ||
54 | return 10*fd - 2; | ||
55 | } | ||
56 | |||
57 | /* First, copy the initial portion (the ID3 tag) */ | ||
58 | if(fpos) { | ||
59 | readlen = rb->read(orig_fd, mp3buf, fpos); | ||
60 | if(readlen < 0) { | ||
61 | rb->close(fd); | ||
62 | rb->close(orig_fd); | ||
63 | return 10*readlen - 3; | ||
64 | } | ||
65 | |||
66 | rc = rb->write(fd, mp3buf, readlen); | ||
67 | if(rc < 0) { | ||
68 | rb->close(fd); | ||
69 | rb->close(orig_fd); | ||
70 | return 10*rc - 4; | ||
71 | } | ||
72 | } | ||
73 | |||
74 | /* Now insert the data into the file */ | ||
75 | rc = rb->write(fd, buf, num_bytes); | ||
76 | if(rc < 0) { | ||
77 | rb->close(orig_fd); | ||
78 | rb->close(fd); | ||
79 | return 10*rc - 5; | ||
80 | } | ||
81 | |||
82 | /* Copy the file */ | ||
83 | do { | ||
84 | readlen = rb->read(orig_fd, mp3buf, mp3buflen); | ||
85 | if(readlen < 0) { | ||
86 | rb->close(fd); | ||
87 | rb->close(orig_fd); | ||
88 | return 10*readlen - 7; | ||
89 | } | ||
90 | |||
91 | rc = rb->write(fd, mp3buf, readlen); | ||
92 | if(rc < 0) { | ||
93 | rb->close(fd); | ||
94 | rb->close(orig_fd); | ||
95 | return 10*rc - 8; | ||
96 | } | ||
97 | } while(readlen > 0); | ||
98 | |||
99 | rb->close(fd); | ||
100 | rb->close(orig_fd); | ||
101 | |||
102 | /* Remove the old file */ | ||
103 | rc = rb->remove(fname); | ||
104 | if(rc < 0) { | ||
105 | return 10*rc - 9; | ||
106 | } | ||
107 | |||
108 | /* Replace the old file with the new */ | ||
109 | rc = rb->rename(tmpname, fname); | ||
110 | if(rc < 0) { | ||
111 | return 10*rc - 9; | ||
112 | } | ||
113 | |||
114 | return 0; | ||
115 | } | ||
116 | |||
117 | static void fileerror(int rc) | ||
118 | { | ||
119 | rb->splash(HZ*2, true, "File error: %d", rc); | ||
120 | } | ||
121 | |||
122 | static const unsigned char empty_id3_header[] = | ||
123 | { | ||
124 | 'I', 'D', '3', 0x04, 0x00, 0x00, | ||
125 | 0x00, 0x00, 0x1f, 0x76 /* Size is 4096 minus 10 bytes for the header */ | ||
126 | }; | ||
127 | |||
128 | static bool vbr_fix(char *selected_file) | ||
129 | { | ||
130 | unsigned char xingbuf[1500]; | ||
131 | struct mp3entry entry; | ||
132 | int fd; | ||
133 | int rc; | ||
134 | int flen; | ||
135 | int num_frames; | ||
136 | int numbytes; | ||
137 | int framelen; | ||
138 | int unused_space; | ||
139 | |||
140 | rb->lcd_clear_display(); | ||
141 | rb->lcd_puts_scroll(0, 0, selected_file); | ||
142 | #ifdef HAVE_LCD_BITMAP | ||
143 | rb->lcd_update(); | ||
144 | #endif | ||
145 | |||
146 | xingupdate(0); | ||
147 | |||
148 | rc = rb->mp3info(&entry, selected_file); | ||
149 | if(rc < 0) { | ||
150 | fileerror(rc); | ||
151 | return true; | ||
152 | } | ||
153 | |||
154 | fd = rb->open(selected_file, O_RDWR); | ||
155 | if(fd < 0) { | ||
156 | fileerror(fd); | ||
157 | return true; | ||
158 | } | ||
159 | |||
160 | flen = rb->lseek(fd, 0, SEEK_END); | ||
161 | |||
162 | xingupdate(0); | ||
163 | |||
164 | num_frames = rb->count_mp3_frames(fd, entry.first_frame_offset, | ||
165 | flen, xingupdate); | ||
166 | |||
167 | if(num_frames) { | ||
168 | /* Note: We don't need to pass a template header because it will be | ||
169 | taken from the mpeg stream */ | ||
170 | framelen = rb->create_xing_header(fd, entry.first_frame_offset, | ||
171 | flen, xingbuf, num_frames, | ||
172 | 0, xingupdate, true); | ||
173 | |||
174 | /* Try to fit the Xing header first in the stream. Replace the existing | ||
175 | VBR header if there is one, else see if there is room between the | ||
176 | ID3 tag and the first MP3 frame. */ | ||
177 | if(entry.first_frame_offset - entry.id3v2len >= | ||
178 | (unsigned int)framelen) { | ||
179 | DEBUGF("Using existing space between ID3 and first frame\n"); | ||
180 | |||
181 | /* Seek to the beginning of the unused space */ | ||
182 | rc = rb->lseek(fd, entry.id3v2len, SEEK_SET); | ||
183 | if(rc < 0) { | ||
184 | rb->close(fd); | ||
185 | fileerror(rc); | ||
186 | return true; | ||
187 | } | ||
188 | |||
189 | unused_space = | ||
190 | entry.first_frame_offset - entry.id3v2len - framelen; | ||
191 | |||
192 | /* Fill the unused space with 0's (using the MP3 buffer) | ||
193 | and write it to the file */ | ||
194 | if(unused_space) | ||
195 | { | ||
196 | rb->memset(mp3buf, 0, unused_space); | ||
197 | rc = rb->write(fd, mp3buf, unused_space); | ||
198 | if(rc < 0) { | ||
199 | rb->close(fd); | ||
200 | fileerror(rc); | ||
201 | return true; | ||
202 | } | ||
203 | } | ||
204 | |||
205 | /* Then write the Xing header */ | ||
206 | rc = rb->write(fd, xingbuf, framelen); | ||
207 | if(rc < 0) { | ||
208 | rb->close(fd); | ||
209 | fileerror(rc); | ||
210 | return true; | ||
211 | } | ||
212 | |||
213 | rb->close(fd); | ||
214 | } else { | ||
215 | /* If not, insert some space. If there is an ID3 tag in the | ||
216 | file we only insert just enough to squeeze the Xing header | ||
217 | in. If not, we insert an additional empty ID3 tag of 4K. */ | ||
218 | |||
219 | rb->close(fd); | ||
220 | |||
221 | /* Nasty trick alert! The insert_data_in_file() function | ||
222 | uses the MP3 buffer when copying the data. We assume | ||
223 | that the ID3 tag isn't longer than 1MB so the xing | ||
224 | buffer won't be overwritten. */ | ||
225 | |||
226 | if(entry.first_frame_offset) { | ||
227 | DEBUGF("Inserting %d bytes\n", framelen); | ||
228 | numbytes = framelen; | ||
229 | } else { | ||
230 | DEBUGF("Inserting 4096+%d bytes\n", framelen); | ||
231 | numbytes = 4096 + framelen; | ||
232 | |||
233 | rb->memset(mp3buf + 0x100000, 0, numbytes); | ||
234 | |||
235 | /* Insert the ID3 header */ | ||
236 | rb->memcpy(mp3buf + 0x100000, empty_id3_header, | ||
237 | sizeof(empty_id3_header)); | ||
238 | } | ||
239 | |||
240 | /* Copy the Xing header */ | ||
241 | rb->memcpy(mp3buf + 0x100000 + numbytes - framelen, | ||
242 | xingbuf, framelen); | ||
243 | |||
244 | rc = insert_data_in_file(selected_file, | ||
245 | entry.first_frame_offset, | ||
246 | mp3buf + 0x100000, numbytes); | ||
247 | |||
248 | if(rc < 0) { | ||
249 | fileerror(rc); | ||
250 | return true; | ||
251 | } | ||
252 | } | ||
253 | |||
254 | xingupdate(100); | ||
255 | } | ||
256 | else | ||
257 | { | ||
258 | /* Not a VBR file */ | ||
259 | DEBUGF("Not a VBR file\n"); | ||
260 | rb->splash(HZ*2, true, "Not a VBR file"); | ||
261 | } | ||
262 | |||
263 | return false; | ||
264 | } | ||
265 | |||
266 | enum plugin_status plugin_start(struct plugin_api* api, void *parameter) | ||
267 | { | ||
268 | TEST_PLUGIN_API(api); | ||
269 | |||
270 | rb = api; | ||
271 | |||
272 | if (!parameter) | ||
273 | return PLUGIN_ERROR; | ||
274 | |||
275 | mp3buf = rb->plugin_get_mp3_buffer(&mp3buflen); | ||
276 | |||
277 | vbr_fix(parameter); | ||
278 | |||
279 | return PLUGIN_OK; | ||
280 | } | ||
diff --git a/apps/plugins/viewers.config b/apps/plugins/viewers.config index ad1e696957..2acbe17af3 100644 --- a/apps/plugins/viewers.config +++ b/apps/plugins/viewers.config | |||
@@ -3,3 +3,4 @@ txt,viewer.rock,55 55 55 55 55 55 | |||
3 | jpg,jpeg.rock,18 24 3C 3C 24 18 | 3 | jpg,jpeg.rock,18 24 3C 3C 24 18 |
4 | ucl,rockbox_flash.rock,2A 7F 41 41 7F 2A | 4 | ucl,rockbox_flash.rock,2A 7F 41 41 7F 2A |
5 | rvf,video.rock,5D 7F 5D 7F 5D 7F | 5 | rvf,video.rock,5D 7F 5D 7F 5D 7F |
6 | mp3,vbrfix.rock,10 08 58 38 04 02 | ||