root/platform/sx530hs/sub/100c/movie_rec.c

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DEFINITIONS

This source file includes following definitions.
  1. change_video_tables
  2. set_quality
  3. save_original_bitrates
  4. modify_bitrate
  5. movie_record_task
  6. liveimage_task
  7. sub_FF134C78_my
  8. sub_FF13354C_my
  9. sub_FF133368_my

   1 /*
   2  * movie_rec.c - auto-generated by CHDK code_gen.
   3  */
   4 #include "conf.h"
   5 
   6 static int bitrate_multiplier = 4; // unit: factory rate / 4
   7 static int bitrate_changed = 0;
   8 extern int video_target_framesize;
   9 extern int video_target_framesize2;
  10 
  11 
  12 static int orig_bitrate[2]; // original bitrates, saved at beginning of recording
  13 
  14 void change_video_tables(int a, int b) {
  15     bitrate_multiplier = (a<<2)/b;
  16     bitrate_changed = 1;
  17 }
  18 
  19 // firmware: -12 (best) ... +20 (worst)
  20 void  set_quality(int *x){ // -17 highest; +12 lowest
  21  if (conf.video_mode) *x=12-((conf.video_quality-1)*(12+17)/(99-1));
  22 }
  23 
  24 void save_original_bitrates() {
  25     orig_bitrate[0] = video_target_framesize;
  26     orig_bitrate[1] = video_target_framesize2;
  27     bitrate_changed = 1;
  28 }
  29 
  30 void modify_bitrate() {
  31     if (bitrate_changed) {
  32         bitrate_changed = 0;
  33         video_target_framesize = (orig_bitrate[0] * bitrate_multiplier) >> 2;
  34         video_target_framesize2 = (orig_bitrate[1] * bitrate_multiplier) >> 2;
  35     }
  36 }
  37 
  38 
  39 /*************************************************************/
  40 //** movie_record_task @ 0xFF21537C - 0xFF215580, length=130
  41 void __attribute__((naked,noinline)) movie_record_task() {
  42 asm volatile (
  43 "    STMFD   SP!, {R2-R10,LR} \n"
  44 "    LDR     R8, =0xFF214F2C \n"
  45 "    LDR     R4, =0xA588 \n"
  46 "    LDR     R9, =0x709 \n"
  47 "    LDR     R10, =0x2710 \n"
  48 "    MVN     R7, #0 \n"
  49 "    MOV     R5, #1 \n"
  50 "    MOV     R6, #0 \n"
  51 
  52 "loc_FF21539C:\n"
  53 "    LDR     R0, [R4, #0x30] \n"
  54 "    MOV     R2, #0 \n"
  55 "    ADD     R1, SP, #4 \n"
  56 "    BL      sub_006B849C /*_ReceiveMessageQueue*/ \n"
  57 "    LDR     R0, [R4, #0x38] \n"
  58 "    CMP     R0, #0 \n"
  59 "    LDRNE   R0, [R4, #0x14] \n"
  60 "    CMPNE   R0, #2 \n"
  61 "    LDRNE   R0, [R4, #0x4C] \n"
  62 "    CMPNE   R0, #6 \n"
  63 "    BNE     loc_FF215564 \n"
  64 "    LDR     R0, [SP, #4] \n"
  65 "    LDR     R1, [R0] \n"
  66 "    SUB     R1, R1, #2 \n"
  67 "    CMP     R1, #0x12 \n"
  68 "    ADDCC   PC, PC, R1, LSL#2 \n"
  69 "    B       loc_FF215564 \n"
  70 "    B       loc_FF215478 \n"
  71 "    B       loc_FF2154A0 \n"
  72 "    B       loc_FF2154B0 \n"
  73 "    B       loc_FF2154B8 \n"
  74 "    B       loc_FF2154C0 \n"
  75 "    B       loc_FF2154DC \n"
  76 "    B       loc_FF2154E4 \n"
  77 "    B       loc_FF2154F0 \n"
  78 "    B       loc_FF2154F8 \n"
  79 "    B       loc_FF215480 \n"
  80 "    B       loc_FF215524 \n"
  81 "    B       loc_FF215550 \n"
  82 "    B       loc_FF215558 \n"
  83 "    B       loc_FF215488 \n"
  84 "    B       loc_FF215564 \n"
  85 "    B       loc_FF215560 \n"
  86 "    B       loc_FF215454 \n"
  87 "    B       loc_FF215428 \n"
  88 
  89 "loc_FF215428:\n"
  90 "    STR     R6, [R4, #0x48] \n"
  91 "    STR     R6, [R4, #0x3C] \n"
  92 "    STR     R7, [R4, #0x10C] \n"
  93 "    STRH    R6, [R4, #8] \n"
  94 "    STR     R8, [R4, #0xEC] \n"
  95 "    LDR     R0, [R4, #0x14] \n"
  96 "    ADD     R0, R0, #1 \n"
  97 "    STR     R0, [R4, #0x14] \n"
  98 "    MOV     R0, #6 \n"
  99 "    STR     R0, [R4, #0x4C] \n"
 100 "    B       loc_FF215470 \n"
 101 
 102 "loc_FF215454:\n"
 103 "    STR     R6, [R4, #0x48] \n"
 104 "    STR     R7, [R4, #0x10C] \n"
 105 "    STR     R8, [R4, #0xEC] \n"
 106 "    LDR     R0, [R4, #0x14] \n"
 107 "    ADD     R0, R0, #1 \n"
 108 "    STR     R0, [R4, #0x14] \n"
 109 "    STR     R5, [R4, #0x4C] \n"
 110 
 111 "loc_FF215470:\n"
 112 "    STR     R5, [R4, #0xC] \n"
 113 "    B       loc_FF215564 \n"
 114 
 115 "loc_FF215478:\n"
 116 "    BL      sub_FF214B30 \n"
 117 "    BL      save_original_bitrates \n"      // + (executed at recording start)
 118 "    B       loc_FF215564 \n"
 119 
 120 "loc_FF215480:\n"
 121 "    LDR     R1, [R4, #0xEC] \n"
 122 "    B       loc_FF2154D4 \n"
 123 
 124 "loc_FF215488:\n"
 125 "    LDR     R1, [R0, #0x18] \n"
 126 "    LDR     R2, [R0, #0x28] \n"
 127 "    LDR     R3, [R0, #0x24] \n"
 128 "    LDR     R0, [R0, #4] \n"
 129 "    BL      sub_FF3CF9F0 \n"
 130 "    B       loc_FF215564 \n"
 131 
 132 "loc_FF2154A0:\n"
 133 "    LDR     R0, [R4, #0x4C] \n"
 134 "    CMP     R0, #5 \n"
 135 "    STRNE   R5, [R4, #0x3C] \n"
 136 "    B       loc_FF215564 \n"
 137 
 138 "loc_FF2154B0:\n"
 139 "    BL      sub_FF2143D0 \n"
 140 "    B       loc_FF215564 \n"
 141 
 142 "loc_FF2154B8:\n"
 143 "    BL      sub_FF2142A8 \n"
 144 "    B       loc_FF215564 \n"
 145 
 146 "loc_FF2154C0:\n"
 147 "    BL      sub_FF213F5C \n"
 148 "    LDR     R1, [R4, #0xBC] \n"
 149 "    CMP     R1, #0 \n"
 150 "    BEQ     loc_FF215564 \n"
 151 "    LDR     R0, [R4, #0xC0] \n"
 152 
 153 "loc_FF2154D4:\n"
 154 "    BLX     R1 \n"
 155 //begin patch (only effective in VGA mode)
 156 "    LDR     R0, =video_compression_rate \n" // +
 157 "    BL      set_quality \n"                 // +
 158 "    BL      modify_bitrate \n"              // + (modifies target bitrate if requested)
 159 //end patch
 160 "    B       loc_FF215564 \n"
 161 
 162 "loc_FF2154DC:\n"
 163 "    BL      sub_FF213C98 \n"
 164 "    B       loc_FF215564 \n"
 165 
 166 "loc_FF2154E4:\n"
 167 "    LDR     R0, =0xFF213C24 \n"
 168 "    BL      sub_FF3CF6AC \n"
 169 "    B       loc_FF215564 \n"
 170 
 171 "loc_FF2154F0:\n"
 172 "    BL      sub_FF2138B0 \n"
 173 "    B       loc_FF215564 \n"
 174 
 175 "loc_FF2154F8:\n"
 176 "    LDR     R1, [R4, #0xA4] \n"
 177 "    LDR     R0, =0x49AF430C \n"
 178 "    CMP     R1, #1 \n"
 179 "    LDRNE   R1, =0xFF213850 \n"
 180 "    LDRNE   R0, [R4, #0xA8] \n"
 181 "    BNE     loc_FF21551C \n"
 182 "    BL      sub_FF3D0380 \n"
 183 "    LDR     R1, =0xFF213850 \n"
 184 "    MOV     R0, #0 \n"
 185 
 186 "loc_FF21551C:\n"
 187 "    BL      sub_FF3CE96C \n"
 188 "    B       loc_FF215564 \n"
 189 
 190 "loc_FF215524:\n"
 191 "    LDR     R0, =0x182CD0 \n"
 192 "    LDR     R0, [R0, #8] \n"
 193 "    CMP     R0, #0 \n"
 194 "    LDRNE   R2, =0xFF2137A4 \n"
 195 "    LDRNE   R0, =0xFF21382C \n"
 196 "    MOVNE   R3, #0 \n"
 197 "    MOVNE   R1, R3 \n"
 198 "    BLNE    sub_FF078224 \n"
 199 "    MOV     R0, #3 \n"
 200 "    STR     R0, [R4, #0x4C] \n"
 201 "    B       loc_FF215564 \n"
 202 
 203 "loc_FF215550:\n"
 204 "    BL      sub_FF21370C \n"
 205 "    B       loc_FF215564 \n"
 206 
 207 "loc_FF215558:\n"
 208 "    BL      sub_FF215F78 \n"
 209 "    B       loc_FF215564 \n"
 210 
 211 "loc_FF215560:\n"
 212 "    BL      sub_FF2135E0 \n"
 213 
 214 "loc_FF215564:\n"
 215 "    LDR     R1, [SP, #4] \n"
 216 "    LDR     R3, =0xFF213114 /*'MovieRecorder.c'*/ \n"
 217 "    STR     R6, [R1] \n"
 218 "    STR     R9, [SP] \n"
 219 "    LDR     R0, [R4, #0x34] \n"
 220 "    MOV     R2, R10 \n"
 221 "    BL      sub_006B7D38 /*_PostMessageQueueStrictly*/ \n"
 222 "    B       loc_FF21539C \n"
 223 );
 224 }
 225 
 226 /*************************************************************/
 227 //** liveimage_task @ 0xFF13499C - 0xFF134A54, length=47
 228 void __attribute__((naked,noinline)) liveimage_task() {
 229 asm volatile (
 230 "    STMFD   SP!, {R3-R5,LR} \n"
 231 "    LDR     R4, =0x5FB0 \n"
 232 "    MOV     R5, #0 \n"
 233 
 234 "loc_FF1349A8:\n"
 235 "    LDR     R0, [R4, #0xC] \n"
 236 "    MOV     R2, #0 \n"
 237 "    MOV     R1, SP \n"
 238 "    BL      sub_006B849C /*_ReceiveMessageQueue*/ \n"
 239 "    TST     R0, #1 \n"
 240 "    BEQ     loc_FF1349D8 \n"
 241 "    MOV     R2, #0x78 \n"
 242 "    LDR     R1, =0xFF134BB4 /*'LiveImageTask.c'*/ \n"
 243 "    MOV     R0, #0 \n"
 244 "    BL      _DebugAssert \n"
 245 "    BL      _ExitTask \n"
 246 "    LDMFD   SP!, {R3-R5,PC} \n"
 247 
 248 "loc_FF1349D8:\n"
 249 "    LDR     R1, [SP] \n"
 250 "    LDR     R0, [R1] \n"
 251 "    CMP     R0, #0 \n"
 252 "    BEQ     loc_FF134A20 \n"
 253 "    CMP     R0, #1 \n"
 254 "    MOVEQ   R1, #1 \n"
 255 "    BEQ     loc_FF134A38 \n"
 256 "    CMP     R0, #2 \n"
 257 "    BEQ     loc_FF134A34 \n"
 258 "    CMP     R0, #3 \n"
 259 "    BNE     loc_FF134A44 \n"
 260 "    LDR     R0, [R4, #4] \n"
 261 "    CMP     R0, #1 \n"
 262 "    BEQ     loc_FF1349A8 \n"
 263 "    LDR     R0, [R4, #8] \n"
 264 "    BLX     R0 \n"
 265 "    STR     R5, [R4, #8] \n"
 266 "    B       loc_FF1349A8 \n"
 267 
 268 "loc_FF134A20:\n"
 269 "    LDR     R0, [R4, #4] \n"
 270 "    CMP     R0, #1 \n"
 271 "    ADDNE   R0, R1, #4 \n"
 272 "    BLNE    sub_FF134C78_my \n"  // --> Patched. Old value = 0xFF134C78.
 273 "    B       loc_FF1349A8 \n"
 274 
 275 "loc_FF134A34:\n"
 276 "    MOV     R1, #2 \n"
 277 
 278 "loc_FF134A38:\n"
 279 "    LDR     R0, [R4, #0x10] \n"
 280 "    BL      sub_006B8230 /*_SetEventFlag*/ \n"
 281 "    B       loc_FF1349A8 \n"
 282 
 283 "loc_FF134A44:\n"
 284 "    MOV     R2, #0x97 \n"
 285 "    LDR     R1, =0xFF134BB4 /*'LiveImageTask.c'*/ \n"
 286 "    MOV     R0, #0 \n"
 287 "    BL      _DebugAssert \n"
 288 "    B       loc_FF1349A8 \n"
 289 );
 290 }
 291 
 292 /*************************************************************/
 293 //** sub_FF134C78_my @ 0xFF134C78 - 0xFF134D28, length=45
 294 void __attribute__((naked,noinline)) sub_FF134C78_my() {
 295 asm volatile (
 296 "    LDR     R1, [R0] \n"
 297 "    CMP     R1, #0x18 \n"
 298 "    ADDCC   PC, PC, R1, LSL#2 \n"
 299 "    B       loc_FF134D1C \n"
 300 "    B       sub_FF132F10 \n"
 301 "    B       sub_FF133184 \n"
 302 "    B       loc_FF134D1C \n"
 303 "    B       loc_FF134CEC \n"
 304 "    B       sub_FF133B08 \n"
 305 "    B       sub_FF133D04 \n"
 306 "    B       sub_FF1340F0 \n"
 307 "    B       sub_FF132F10 \n"
 308 "    B       sub_FF1338F0 \n"
 309 "    B       loc_FF134D1C \n"
 310 "    B       loc_FF134D1C \n"
 311 "    B       loc_FF134D1C \n"
 312 "    B       loc_FF134CEC \n"
 313 "    B       sub_FF134418 \n"
 314 "    B       sub_FF134418 \n"
 315 "    B       loc_FF134D1C \n"
 316 "    B       sub_FF1337B0 \n"
 317 "    B       loc_FF134D1C \n"
 318 "    B       loc_FF134D1C \n"
 319 "    B       loc_FF134D1C \n"
 320 "    B       loc_FF134D1C \n"
 321 "    B       loc_FF134D1C \n"
 322 "    B       loc_FF134D1C \n"
 323 "    B       sub_FF133060 \n"
 324 
 325 "loc_FF134CE8:\n"
 326 "    B       sub_FF133060 \n"
 327 
 328 "loc_FF134CEC:\n"
 329 // HD movie codepath
 330 "    LDR     R1, [R0, #0x64] \n"
 331 "    CMP     R1, #1 \n"
 332 "    BNE     sub_FF13354C_my \n"  // --> Patched. Old value = 0xFF13354C.
 333 "    BEQ     sub_FF133368_my \n"  // --> Patched. Old value = 0xFF133368.
 334 
 335 "loc_FF134CFC:\n"
 336 "    B       sub_FF133184 \n"
 337 
 338 "loc_FF134D00:\n"
 339 "    B       sub_FF133B08 \n"
 340 
 341 "loc_FF134D04:\n"
 342 "    B       sub_FF132F10 \n"
 343 
 344 "loc_FF134D08:\n"
 345 "    B       sub_FF133D04 \n"
 346 
 347 "loc_FF134D0C:\n"
 348 "    B       sub_FF1337B0 \n"
 349 
 350 "loc_FF134D10:\n"
 351 "    B       sub_FF1338F0 \n"
 352 
 353 "loc_FF134D14:\n"
 354 "    B       sub_FF1340F0 \n"
 355 
 356 "loc_FF134D18:\n"
 357 "    B       sub_FF134418 \n"
 358 
 359 "loc_FF134D1C:\n"
 360 "    MOV     R2, #0x69 \n"
 361 "    LDR     R1, =0xFF134BB4 /*'LiveImageTask.c'*/ \n"
 362 "    MOV     R0, #0 \n"
 363 "    B       _DebugAssert \n"
 364 );
 365 }
 366 
 367 /*************************************************************/
 368 //** sub_FF13354C_my @ 0xFF13354C - 0xFF1337AC, length=153
 369 void __attribute__((naked,noinline)) sub_FF13354C_my() {
 370 asm volatile (
 371 // Need to execute our code after the firmware subroutine
 372 // it's more complicated here than usual
 373 "    PUSH    {LR} \n"                        // +
 374 "    MOV     LR, PC \n"                      // +
 375 "    LDR     PC, =0xFF13354C \n"  // Continue in firmware
 376 "    LDR     R0, =video_compression_rate \n" // +
 377 "    BL      set_quality \n"                 // +
 378 "    BL      modify_bitrate \n"              // + (modifies target bitrate if requested)
 379 "    POP     {PC} \n"                        // +
 380 );
 381 }
 382 
 383 /*************************************************************/
 384 //** sub_FF133368_my @ 0xFF133368 - 0xFF133548, length=121
 385 void __attribute__((naked,noinline)) sub_FF133368_my() {
 386 asm volatile (
 387 // Need to execute our code after the firmware subroutine
 388 // it's more complicated here than usual
 389 "    PUSH    {LR} \n"                        // +
 390 "    MOV     LR, PC \n"                      // +
 391 "    LDR     PC, =0xFF133368 \n"  // Continue in firmware
 392 "    LDR     R0, =video_compression_rate \n" // +
 393 "    BL      set_quality \n"                 // +
 394 "    BL      modify_bitrate \n"              // + (modifies target bitrate if requested)
 395 "    POP     {PC} \n"                        // +
 396 );
 397 }

/* [<][>][^][v][top][bottom][index][help] */