41 |
DWORD version = -20; |
DWORD version = -20; |
42 |
DWORD read, wrote; |
DWORD read, wrote; |
43 |
|
|
44 |
int frames = 0, credits_frames = 0, i_frames = 0; |
int frames = 0, bframes = 0, pframes = 0, credits_frames = 0, i_frames = 0, recminbsize = 0, recminpsize = 0, recminisize = 0; |
45 |
__int64 total_ext = 0, total = 0, i_total = 0, i_boost_total = 0, start = 0, end = 0, start_curved = 0, end_curved = 0; |
__int64 bframe_total_ext = 0, pframe_total_ext = 0, pframe_total = 0, bframe_total = 0, i_total = 0, i_total_ext = 0, i_boost_total = 0, start = 0, end = 0, start_curved = 0, end_curved = 0; |
46 |
__int64 desired = (__int64)codec->config.desired_size * 1024; |
__int64 desired = (__int64)codec->config.desired_size * 1024; |
47 |
|
|
48 |
double total1 = 0.0; |
double total1 = 0.0; |
49 |
double total2 = 0.0; |
double total2 = 0.0; |
50 |
double dbytes, dbytes2; |
double dbytes, dbytes2; |
51 |
|
|
52 |
|
/* ensure free() is called safely */ |
53 |
|
codec->twopass.hintstream = NULL; |
54 |
|
twopass->nns1_array = NULL; |
55 |
|
twopass->nns2_array = NULL; |
56 |
|
|
57 |
if (codec->config.hinted_me) |
if (codec->config.hinted_me) |
58 |
{ |
{ |
59 |
codec->twopass.hintstream = malloc(100000); |
codec->twopass.hintstream = malloc(100000); |
106 |
return ICERR_ERROR; |
return ICERR_ERROR; |
107 |
} |
} |
108 |
|
|
109 |
|
twopass->nns1_array = (NNSTATS*)malloc(sizeof(NNSTATS) * 10240); |
110 |
|
twopass->nns2_array = (NNSTATS*)malloc(sizeof(NNSTATS) * 10240); |
111 |
|
twopass->nns_array_size = 10240; |
112 |
|
twopass->nns_array_length = 0; |
113 |
|
twopass->nns_array_pos = 0; |
114 |
|
|
115 |
|
// read the stats file(s) into array(s) and reorder them so they |
116 |
|
// correctly represent the frames that the encoder will receive. |
117 |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
118 |
{ |
{ |
119 |
if (twopass->stats2 != INVALID_HANDLE_VALUE) |
if (twopass->stats2 != INVALID_HANDLE_VALUE) |
171 |
} |
} |
172 |
} |
} |
173 |
|
|
174 |
|
// increase the allocated memory if necessary |
175 |
|
if (frames >= twopass->nns_array_size) |
176 |
|
{ |
177 |
|
twopass->nns1_array = (NNSTATS*)realloc(twopass->nns1_array, |
178 |
|
sizeof(NNSTATS) * (twopass->nns_array_size * 5 / 4 + 1)); |
179 |
|
twopass->nns2_array = (NNSTATS*)realloc(twopass->nns2_array, |
180 |
|
sizeof(NNSTATS) * (twopass->nns_array_size * 5 / 4 + 1)); |
181 |
|
twopass->nns_array_size = twopass->nns_array_size * 5 / 4 + 1; |
182 |
|
} |
183 |
|
|
184 |
|
// copy this frame's stats into the arrays |
185 |
|
memcpy (&twopass->nns1_array[frames], &twopass->nns1, sizeof(NNSTATS)); |
186 |
|
memcpy (&twopass->nns2_array[frames], &twopass->nns2, sizeof(NNSTATS)); |
187 |
|
frames++; |
188 |
|
} |
189 |
|
|
190 |
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
191 |
|
SetFilePointer(twopass->stats2, sizeof(DWORD), 0, FILE_BEGIN); |
192 |
|
} |
193 |
|
else // DLG_MODE_2PASS_2_INT |
194 |
|
{ |
195 |
|
while (1) |
196 |
|
{ |
197 |
|
if (!ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS)) |
198 |
|
{ |
199 |
|
DWORD err = GetLastError(); |
200 |
|
|
201 |
|
if (err == ERROR_HANDLE_EOF || err == ERROR_SUCCESS) |
202 |
|
{ |
203 |
|
break; |
204 |
|
} |
205 |
|
else |
206 |
|
{ |
207 |
|
CloseHandle(twopass->stats1); |
208 |
|
twopass->stats1 = INVALID_HANDLE_VALUE; |
209 |
|
DEBUGERR("2pass init error - incomplete stats2 record?"); |
210 |
|
return ICERR_ERROR; |
211 |
|
} |
212 |
|
} |
213 |
|
|
214 |
|
// increase the allocated memory if necessary |
215 |
|
if (frames >= twopass->nns_array_size) |
216 |
|
{ |
217 |
|
twopass->nns1_array = (NNSTATS*)realloc(twopass->nns1_array, |
218 |
|
sizeof(NNSTATS) * (twopass->nns_array_size * 5 / 4 + 1)); |
219 |
|
twopass->nns_array_size = twopass->nns_array_size * 5 / 4 + 1; |
220 |
|
} |
221 |
|
|
222 |
|
// copy this frame's stats into the array |
223 |
|
memcpy (&twopass->nns1_array[frames], &twopass->nns1, sizeof(NNSTATS)); |
224 |
|
frames++; |
225 |
|
} |
226 |
|
|
227 |
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
228 |
|
} |
229 |
|
twopass->nns1_array = (NNSTATS*)realloc(twopass->nns1_array, sizeof(NNSTATS) * frames); |
230 |
|
twopass->nns2_array = (NNSTATS*)realloc(twopass->nns2_array, sizeof(NNSTATS) * frames); |
231 |
|
twopass->nns_array_size = frames; |
232 |
|
twopass->nns_array_length = frames; |
233 |
|
frames = 0; |
234 |
|
|
235 |
|
/* // this isn't necessary with the current core. |
236 |
|
// reorder the array(s) so they are in the order that they were received |
237 |
|
// IPBBPBB to |
238 |
|
// IBBPBBP |
239 |
|
for (i=0; i<twopass->nns_array_length; i++) |
240 |
|
{ |
241 |
|
NNSTATS temp_nns, temp_nns2; |
242 |
|
int k, num_bframes; |
243 |
|
if (twopass->nns1_array[i].dd_v & NNSTATS_BFRAME) |
244 |
|
{ |
245 |
|
num_bframes = 1; |
246 |
|
for (k=i+1; k<twopass->nns_array_length; k++) |
247 |
|
{ |
248 |
|
if (twopass->nns1_array[k].dd_v & NNSTATS_BFRAME) |
249 |
|
num_bframes++; |
250 |
|
else |
251 |
|
k=twopass->nns_array_length; |
252 |
|
} |
253 |
|
|
254 |
|
i--; |
255 |
|
memcpy (&temp_nns, &twopass->nns1_array[i], sizeof(NNSTATS)); |
256 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
257 |
|
memcpy (&temp_nns2, &twopass->nns2_array[i], sizeof(NNSTATS)); |
258 |
|
|
259 |
|
for (k=0; k<num_bframes; k++) |
260 |
|
{ |
261 |
|
memcpy(&twopass->nns1_array[i], &twopass->nns1_array[i+1], sizeof(NNSTATS)); |
262 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
263 |
|
memcpy(&twopass->nns2_array[i], &twopass->nns2_array[i+1], sizeof(NNSTATS)); |
264 |
|
i++; |
265 |
|
} |
266 |
|
|
267 |
|
memcpy(&twopass->nns1_array[i], &temp_nns, sizeof(NNSTATS)); |
268 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
269 |
|
memcpy(&twopass->nns2_array[i], &temp_nns2, sizeof(NNSTATS)); |
270 |
|
} |
271 |
|
} |
272 |
|
*/ |
273 |
|
// continue with the initialization.. |
274 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
275 |
|
{ |
276 |
|
while (1) |
277 |
|
{ |
278 |
|
if (twopass->nns_array_pos >= twopass->nns_array_length) |
279 |
|
{ |
280 |
|
twopass->nns_array_pos = 0; |
281 |
|
break; |
282 |
|
} |
283 |
|
|
284 |
|
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
285 |
|
memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
286 |
|
twopass->nns_array_pos++; |
287 |
|
|
288 |
|
// skip unnecessary frames. |
289 |
|
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || |
290 |
|
twopass->nns1.dd_v & NNSTATS_PADFRAME || |
291 |
|
twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
292 |
|
continue; |
293 |
|
|
294 |
if (!codec_is_in_credits(&codec->config, frames)) |
if (!codec_is_in_credits(&codec->config, frames)) |
295 |
{ |
{ |
296 |
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
297 |
{ |
{ |
|
i_boost_total += twopass->nns2.bytes * codec->config.keyframe_boost / 100; |
|
298 |
i_total += twopass->nns2.bytes; |
i_total += twopass->nns2.bytes; |
299 |
|
i_boost_total += twopass->nns2.bytes * codec->config.keyframe_boost / 100; |
300 |
twopass->keyframe_locations[i_frames] = frames; |
twopass->keyframe_locations[i_frames] = frames; |
301 |
++i_frames; |
++i_frames; |
302 |
} |
} |
303 |
|
else |
304 |
total += twopass->nns1.bytes; |
{ |
305 |
total_ext += twopass->nns2.bytes; |
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
306 |
|
{ |
307 |
|
bframe_total += twopass->nns1.bytes; |
308 |
|
bframe_total_ext += twopass->nns2.bytes; |
309 |
|
bframes++; |
310 |
|
} |
311 |
|
else |
312 |
|
{ |
313 |
|
pframe_total += twopass->nns1.bytes; |
314 |
|
pframe_total_ext += twopass->nns2.bytes; |
315 |
|
pframes++; |
316 |
|
} |
317 |
|
} |
318 |
} |
} |
319 |
else |
else |
320 |
++credits_frames; |
++credits_frames; |
321 |
|
|
322 |
|
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
323 |
|
{ |
324 |
|
// this test needs to be corrected.. |
325 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
326 |
|
recminisize = twopass->nns1.bytes; |
327 |
|
} |
328 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
329 |
|
{ |
330 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
331 |
|
recminbsize = twopass->nns1.bytes; |
332 |
|
} |
333 |
|
else |
334 |
|
{ |
335 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
336 |
|
recminpsize = twopass->nns1.bytes; |
337 |
|
} |
338 |
|
|
339 |
++frames; |
++frames; |
340 |
} |
} |
341 |
twopass->keyframe_locations[i_frames] = frames; |
twopass->keyframe_locations[i_frames] = frames; |
342 |
|
|
343 |
twopass->movie_curve = ((double)(total_ext + i_boost_total) / total_ext); |
twopass->movie_curve = ((double)(bframe_total_ext + pframe_total_ext + i_boost_total) / |
344 |
twopass->average_frame = ((double)(total_ext - i_total) / (frames - credits_frames - i_frames) / twopass->movie_curve); |
(bframe_total_ext + pframe_total_ext)); |
345 |
|
|
346 |
|
if (bframes) |
347 |
|
twopass->average_bframe = (double)bframe_total_ext / bframes / twopass->movie_curve; |
348 |
|
|
349 |
|
if (pframes) |
350 |
|
twopass->average_pframe = (double)pframe_total_ext / pframes / twopass->movie_curve; |
351 |
|
else |
352 |
|
if (bframes) |
353 |
|
twopass->average_pframe = twopass->average_bframe; // b-frame packed bitstream fix |
354 |
|
else |
355 |
|
{ |
356 |
|
DEBUGERR("ERROR: No p-frames or b-frames were present in the 1st pass. Rate control cannot function properly!"); |
357 |
|
return ICERR_ERROR; |
358 |
|
} |
359 |
|
|
360 |
|
|
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
|
|
SetFilePointer(twopass->stats2, sizeof(DWORD), 0, FILE_BEGIN); |
|
361 |
|
|
362 |
// perform prepass to compensate for over/undersizing |
// perform prepass to compensate for over/undersizing |
363 |
frames = 0; |
frames = 0; |
364 |
|
|
365 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
366 |
{ |
{ |
367 |
twopass->alt_curve_low = twopass->average_frame - twopass->average_frame * (double)codec->config.alt_curve_low_dist / 100.0; |
twopass->alt_curve_low = twopass->average_pframe - twopass->average_pframe * (double)codec->config.alt_curve_low_dist / 100.0; |
368 |
twopass->alt_curve_low_diff = twopass->average_frame - twopass->alt_curve_low; |
twopass->alt_curve_low_diff = twopass->average_pframe - twopass->alt_curve_low; |
369 |
twopass->alt_curve_high = twopass->average_frame + twopass->average_frame * (double)codec->config.alt_curve_high_dist / 100.0; |
twopass->alt_curve_high = twopass->average_pframe + twopass->average_pframe * (double)codec->config.alt_curve_high_dist / 100.0; |
370 |
twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_frame; |
twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_pframe; |
371 |
if (codec->config.alt_curve_use_auto) |
if (codec->config.alt_curve_use_auto) |
372 |
{ |
{ |
373 |
if (total > total_ext) |
if (bframe_total + pframe_total > bframe_total_ext + pframe_total_ext) |
374 |
{ |
{ |
375 |
codec->config.alt_curve_min_rel_qual = (int)(100.0 - (100.0 - 100.0 / ((double)total / (double)total_ext)) * (double)codec->config.alt_curve_auto_str / 100.0); |
codec->config.alt_curve_min_rel_qual = (int)(100.0 - (100.0 - 100.0 / |
376 |
|
((double)(bframe_total + pframe_total) / (double)(bframe_total_ext + pframe_total_ext))) * |
377 |
|
(double)codec->config.alt_curve_auto_str / 100.0); |
378 |
|
|
379 |
if (codec->config.alt_curve_min_rel_qual < 20) |
if (codec->config.alt_curve_min_rel_qual < 20) |
380 |
codec->config.alt_curve_min_rel_qual = 20; |
codec->config.alt_curve_min_rel_qual = 20; |
381 |
} |
} |
390 |
{ |
{ |
391 |
case 2: // Sine Curve (high aggressiveness) |
case 2: // Sine Curve (high aggressiveness) |
392 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
393 |
sin(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff))); |
sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
394 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
395 |
sin(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff)); |
sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)); |
396 |
break; |
break; |
397 |
case 1: // Linear (medium aggressiveness) |
case 1: // Linear (medium aggressiveness) |
398 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
399 |
twopass->average_frame / twopass->alt_curve_low_diff); |
twopass->average_pframe / twopass->alt_curve_low_diff); |
400 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
401 |
twopass->average_frame / twopass->alt_curve_low_diff; |
twopass->average_pframe / twopass->alt_curve_low_diff; |
402 |
break; |
break; |
403 |
case 0: // Cosine Curve (low aggressiveness) |
case 0: // Cosine Curve (low aggressiveness) |
404 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
405 |
(1.0 - cos(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff)))); |
(1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)))); |
406 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
407 |
(1.0 - cos(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff))); |
(1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
408 |
} |
} |
409 |
} |
} |
410 |
} |
} |
411 |
|
|
412 |
while (1) |
while (1) |
413 |
{ |
{ |
414 |
if (!ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS) || |
if (twopass->nns_array_pos >= twopass->nns_array_length) |
|
!ReadFile(twopass->stats2, &twopass->nns2, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS)) |
|
|
{ |
|
|
DWORD err = GetLastError(); |
|
|
|
|
|
if (err == ERROR_HANDLE_EOF || err == ERROR_SUCCESS) |
|
415 |
{ |
{ |
416 |
|
twopass->nns_array_pos = 0; |
417 |
break; |
break; |
418 |
} |
} |
419 |
else |
|
420 |
{ |
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
421 |
CloseHandle(twopass->stats1); |
memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
422 |
CloseHandle(twopass->stats2); |
twopass->nns_array_pos++; |
|
twopass->stats1 = INVALID_HANDLE_VALUE; |
|
|
twopass->stats2 = INVALID_HANDLE_VALUE; |
|
|
DEBUGERR("2pass init error - incomplete stats1/stats2 record?"); |
|
|
return ICERR_ERROR; |
|
|
} |
|
|
} |
|
423 |
|
|
424 |
if (frames == 0) |
if (frames == 0) |
425 |
{ |
{ |
426 |
|
twopass->minbsize = (twopass->nns1.kblk + 88) / 8; |
427 |
twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
428 |
twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; |
twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; |
429 |
|
if (recminbsize > twopass->minbsize) |
430 |
|
twopass->minbsize = recminbsize; |
431 |
|
if (recminpsize > twopass->minpsize) |
432 |
|
twopass->minpsize = recminpsize; |
433 |
|
if (recminisize > twopass->minisize) |
434 |
|
twopass->minisize = recminisize; |
435 |
} |
} |
436 |
|
|
437 |
|
// skip unnecessary frames. |
438 |
|
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || |
439 |
|
twopass->nns1.dd_v & NNSTATS_PADFRAME || |
440 |
|
twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
441 |
|
continue; |
442 |
|
|
443 |
if (!codec_is_in_credits(&codec->config, frames) && |
if (!codec_is_in_credits(&codec->config, frames) && |
444 |
!(twopass->nns1.quant & NNSTATS_KEYFRAME)) |
!(twopass->nns1.quant & NNSTATS_KEYFRAME)) |
445 |
{ |
{ |
446 |
dbytes = twopass->nns2.bytes / twopass->movie_curve; |
dbytes = twopass->nns2.bytes / twopass->movie_curve; |
447 |
total1 += dbytes; |
total1 += dbytes; |
448 |
|
|
449 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
450 |
|
dbytes *= twopass->average_pframe / twopass->average_bframe; |
451 |
|
|
452 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
453 |
{ |
{ |
454 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
455 |
{ |
{ |
456 |
if (dbytes >= twopass->alt_curve_high) |
if (dbytes >= twopass->alt_curve_high) |
457 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
461 |
{ |
{ |
462 |
case 2: |
case 2: |
463 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
464 |
sin(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_high_diff))); |
sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
465 |
break; |
break; |
466 |
case 1: |
case 1: |
467 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
468 |
(dbytes - twopass->average_frame) / twopass->alt_curve_high_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
469 |
break; |
break; |
470 |
case 0: |
case 0: |
471 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
472 |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_high_diff)))); |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
473 |
} |
} |
474 |
} |
} |
475 |
} |
} |
483 |
{ |
{ |
484 |
case 2: |
case 2: |
485 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
486 |
sin(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_low_diff))); |
sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
487 |
break; |
break; |
488 |
case 1: |
case 1: |
489 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
490 |
(dbytes - twopass->average_frame) / twopass->alt_curve_low_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
491 |
break; |
break; |
492 |
case 0: |
case 0: |
493 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
494 |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_low_diff)))); |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
495 |
} |
} |
496 |
} |
} |
497 |
} |
} |
498 |
} |
} |
499 |
else |
else |
500 |
{ |
{ |
501 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
502 |
{ |
{ |
503 |
dbytes2 = ((double)dbytes + (twopass->average_frame - dbytes) * |
dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
504 |
codec->config.curve_compression_high / 100.0); |
codec->config.curve_compression_high / 100.0); |
505 |
} |
} |
506 |
else |
else |
507 |
{ |
{ |
508 |
dbytes2 = ((double)dbytes + (twopass->average_frame - dbytes) * |
dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
509 |
codec->config.curve_compression_low / 100.0); |
codec->config.curve_compression_low / 100.0); |
510 |
} |
} |
511 |
} |
} |
512 |
|
|
513 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
514 |
|
{ |
515 |
|
dbytes2 *= twopass->average_bframe / twopass->average_pframe; |
516 |
|
if (dbytes2 < twopass->minbsize) |
517 |
|
dbytes2 = twopass->minbsize; |
518 |
|
} |
519 |
|
else |
520 |
|
{ |
521 |
if (dbytes2 < twopass->minpsize) |
if (dbytes2 < twopass->minpsize) |
522 |
dbytes2 = twopass->minpsize; |
dbytes2 = twopass->minpsize; |
523 |
|
} |
524 |
|
|
525 |
total2 += dbytes2; |
total2 += dbytes2; |
526 |
} |
} |
535 |
int asymmetric_average_frame; |
int asymmetric_average_frame; |
536 |
char s[100]; |
char s[100]; |
537 |
|
|
538 |
asymmetric_average_frame = (int)(twopass->average_frame * twopass->curve_comp_scale); |
asymmetric_average_frame = (int)(twopass->average_pframe * twopass->curve_comp_scale); |
539 |
wsprintf(s, "middle frame size for asymmetric curve compression: %i", asymmetric_average_frame); |
wsprintf(s, "middle frame size for asymmetric curve compression: %i", asymmetric_average_frame); |
540 |
DEBUG2P(s); |
DEBUG2P(s); |
541 |
} |
} |
|
|
|
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
|
|
SetFilePointer(twopass->stats2, sizeof(DWORD), 0, FILE_BEGIN); |
|
542 |
} |
} |
543 |
else // DLG_MODE_2PASS_2_INT |
else // DLG_MODE_2PASS_2_INT |
544 |
{ |
{ |
545 |
while (1) |
while (1) |
546 |
{ |
{ |
547 |
if (!ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS)) |
if (twopass->nns_array_pos >= twopass->nns_array_length) |
|
{ |
|
|
DWORD err = GetLastError(); |
|
|
|
|
|
if (err == ERROR_HANDLE_EOF || err == ERROR_SUCCESS) |
|
548 |
{ |
{ |
549 |
|
twopass->nns_array_pos = 0; |
550 |
break; |
break; |
551 |
} |
} |
552 |
else |
|
553 |
{ |
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
554 |
CloseHandle(twopass->stats1); |
twopass->nns_array_pos++; |
555 |
twopass->stats1 = INVALID_HANDLE_VALUE; |
|
556 |
DEBUGERR("2pass init error - incomplete stats2 record?"); |
// skip unnecessary frames. |
557 |
return ICERR_ERROR; |
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || |
558 |
} |
twopass->nns1.dd_v & NNSTATS_PADFRAME || |
559 |
} |
twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
560 |
|
continue; |
561 |
|
|
562 |
if (codec_is_in_credits(&codec->config, frames) == CREDITS_START) |
if (codec_is_in_credits(&codec->config, frames) == CREDITS_START) |
563 |
{ |
{ |
572 |
else if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
else if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
573 |
{ |
{ |
574 |
i_total += twopass->nns1.bytes + twopass->nns1.bytes * codec->config.keyframe_boost / 100; |
i_total += twopass->nns1.bytes + twopass->nns1.bytes * codec->config.keyframe_boost / 100; |
|
total += twopass->nns1.bytes * codec->config.keyframe_boost / 100; |
|
575 |
twopass->keyframe_locations[i_frames] = frames; |
twopass->keyframe_locations[i_frames] = frames; |
576 |
++i_frames; |
++i_frames; |
577 |
} |
} |
578 |
|
else |
579 |
|
{ |
580 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
581 |
|
{ |
582 |
|
bframe_total += twopass->nns1.bytes; |
583 |
|
bframes++; |
584 |
|
} |
585 |
|
else |
586 |
|
{ |
587 |
|
pframe_total += twopass->nns1.bytes; |
588 |
|
pframes++; |
589 |
|
} |
590 |
|
} |
591 |
|
|
592 |
total += twopass->nns1.bytes; |
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
593 |
|
{ |
594 |
|
// this test needs to be corrected.. |
595 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
596 |
|
recminisize = twopass->nns1.bytes; |
597 |
|
} |
598 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
599 |
|
{ |
600 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
601 |
|
recminbsize = twopass->nns1.bytes; |
602 |
|
} |
603 |
|
else |
604 |
|
{ |
605 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
606 |
|
recminpsize = twopass->nns1.bytes; |
607 |
|
} |
608 |
|
|
609 |
++frames; |
++frames; |
610 |
} |
} |
619 |
|
|
620 |
// credits curve = (total / desired_size) * (100 / credits_rate) |
// credits curve = (total / desired_size) * (100 / credits_rate) |
621 |
twopass->credits_start_curve = twopass->credits_end_curve = |
twopass->credits_start_curve = twopass->credits_end_curve = |
622 |
((double)total / desired) * ((double)100 / codec->config.credits_rate); |
((double)(bframe_total + pframe_total + i_total + start + end) / desired) * |
623 |
|
((double)100 / codec->config.credits_rate); |
624 |
|
|
625 |
start_curved = (__int64)(start / twopass->credits_start_curve); |
start_curved = (__int64)(start / twopass->credits_start_curve); |
626 |
end_curved = (__int64)(end / twopass->credits_end_curve); |
end_curved = (__int64)(end / twopass->credits_end_curve); |
627 |
|
|
628 |
// movie curve = (total - credits) / (desired_size - curved credits) |
// movie curve = (total - credits) / (desired_size - curved credits) |
629 |
twopass->movie_curve = (double) |
twopass->movie_curve = (double) |
630 |
(total - start - end) / |
(bframe_total + pframe_total + i_total) / |
631 |
(desired - start_curved - end_curved); |
(desired - start_curved - end_curved); |
632 |
|
|
633 |
break; |
break; |
636 |
|
|
637 |
// movie curve = (total - credits) / (desired_size - credits) |
// movie curve = (total - credits) / (desired_size - credits) |
638 |
twopass->movie_curve = (double) |
twopass->movie_curve = (double) |
639 |
(total - start - end) / (desired - start - end); |
(bframe_total + pframe_total + i_total) / (desired - start - end); |
640 |
|
|
641 |
// aid the average asymmetric frame calculation below |
// aid the average asymmetric frame calculation below |
642 |
start_curved = start; |
start_curved = start; |
659 |
|
|
660 |
// movie curve = (total - credits) / (desired_size - curved credits) |
// movie curve = (total - credits) / (desired_size - curved credits) |
661 |
twopass->movie_curve = (double) |
twopass->movie_curve = (double) |
662 |
(total - start - end) / |
(bframe_total + pframe_total + i_total) / |
663 |
(desired - start_curved - end_curved); |
(desired - start_curved - end_curved); |
664 |
|
|
665 |
break; |
break; |
666 |
} |
} |
667 |
|
|
668 |
// average frame size = (desired - curved credits - curved keyframes) / |
if (bframes) |
669 |
// (frames - credits frames - keyframes) |
twopass->average_bframe = (double)bframe_total / bframes / twopass->movie_curve; |
670 |
twopass->average_frame = (double) |
|
671 |
(desired - start_curved - end_curved - (i_total / twopass->movie_curve)) / |
if (pframes) |
672 |
(frames - credits_frames - i_frames); |
twopass->average_pframe = (double)pframe_total / pframes / twopass->movie_curve; |
673 |
|
else |
674 |
|
if (bframes) |
675 |
|
twopass->average_pframe = twopass->average_bframe; // b-frame packed bitstream fix |
676 |
|
else |
677 |
|
{ |
678 |
|
DEBUGERR("ERROR: No p-frames or b-frames were present in the 1st pass. Rate control cannot function properly!"); |
679 |
|
return ICERR_ERROR; |
680 |
|
} |
681 |
|
|
682 |
|
|
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
|
683 |
|
|
684 |
// perform prepass to compensate for over/undersizing |
// perform prepass to compensate for over/undersizing |
685 |
frames = 0; |
frames = 0; |
686 |
|
|
687 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
688 |
{ |
{ |
689 |
twopass->alt_curve_low = twopass->average_frame - twopass->average_frame * (double)codec->config.alt_curve_low_dist / 100.0; |
twopass->alt_curve_low = twopass->average_pframe - twopass->average_pframe * (double)codec->config.alt_curve_low_dist / 100.0; |
690 |
twopass->alt_curve_low_diff = twopass->average_frame - twopass->alt_curve_low; |
twopass->alt_curve_low_diff = twopass->average_pframe - twopass->alt_curve_low; |
691 |
twopass->alt_curve_high = twopass->average_frame + twopass->average_frame * (double)codec->config.alt_curve_high_dist / 100.0; |
twopass->alt_curve_high = twopass->average_pframe + twopass->average_pframe * (double)codec->config.alt_curve_high_dist / 100.0; |
692 |
twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_frame; |
twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_pframe; |
693 |
if (codec->config.alt_curve_use_auto) |
if (codec->config.alt_curve_use_auto) |
694 |
{ |
{ |
695 |
if (twopass->movie_curve > 1.0) |
if (twopass->movie_curve > 1.0) |
709 |
{ |
{ |
710 |
case 2: // Sine Curve (high aggressiveness) |
case 2: // Sine Curve (high aggressiveness) |
711 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
712 |
sin(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff))); |
sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
713 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
714 |
sin(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff)); |
sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)); |
715 |
break; |
break; |
716 |
case 1: // Linear (medium aggressiveness) |
case 1: // Linear (medium aggressiveness) |
717 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
718 |
twopass->average_frame / twopass->alt_curve_low_diff); |
twopass->average_pframe / twopass->alt_curve_low_diff); |
719 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
720 |
twopass->average_frame / twopass->alt_curve_low_diff; |
twopass->average_pframe / twopass->alt_curve_low_diff; |
721 |
break; |
break; |
722 |
case 0: // Cosine Curve (low aggressiveness) |
case 0: // Cosine Curve (low aggressiveness) |
723 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
724 |
(1.0 - cos(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff)))); |
(1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)))); |
725 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
726 |
(1.0 - cos(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff))); |
(1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
727 |
} |
} |
728 |
} |
} |
729 |
} |
} |
730 |
|
|
731 |
while (1) |
while (1) |
732 |
{ |
{ |
733 |
if (!ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS)) |
if (twopass->nns_array_pos >= twopass->nns_array_length) |
|
{ |
|
|
DWORD err = GetLastError(); |
|
|
|
|
|
if (err == ERROR_HANDLE_EOF || err == ERROR_SUCCESS) |
|
734 |
{ |
{ |
735 |
|
twopass->nns_array_pos = 0; |
736 |
break; |
break; |
737 |
} |
} |
738 |
else |
|
739 |
{ |
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
740 |
CloseHandle(twopass->stats1); |
twopass->nns_array_pos++; |
|
twopass->stats1 = INVALID_HANDLE_VALUE; |
|
|
DEBUGERR("2pass init error - incomplete stats2 record?"); |
|
|
return ICERR_ERROR; |
|
|
} |
|
|
} |
|
741 |
|
|
742 |
if (frames == 0) |
if (frames == 0) |
743 |
{ |
{ |
744 |
|
twopass->minbsize = (twopass->nns1.kblk + 88) / 8; |
745 |
twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
746 |
twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; |
twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; |
747 |
|
if (recminbsize > twopass->minbsize) |
748 |
|
twopass->minbsize = recminbsize; |
749 |
|
if (recminpsize > twopass->minpsize) |
750 |
|
twopass->minpsize = recminpsize; |
751 |
|
if (recminisize > twopass->minisize) |
752 |
|
twopass->minisize = recminisize; |
753 |
} |
} |
754 |
|
|
755 |
|
// skip unnecessary frames. |
756 |
|
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || |
757 |
|
twopass->nns1.dd_v & NNSTATS_PADFRAME || |
758 |
|
twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
759 |
|
continue; |
760 |
|
|
761 |
if (!codec_is_in_credits(&codec->config, frames) && |
if (!codec_is_in_credits(&codec->config, frames) && |
762 |
!(twopass->nns1.quant & NNSTATS_KEYFRAME)) |
!(twopass->nns1.quant & NNSTATS_KEYFRAME)) |
763 |
{ |
{ |
764 |
dbytes = twopass->nns1.bytes / twopass->movie_curve; |
dbytes = twopass->nns1.bytes / twopass->movie_curve; |
765 |
total1 += dbytes; |
total1 += dbytes; |
766 |
|
|
767 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
768 |
|
dbytes *= twopass->average_pframe / twopass->average_bframe; |
769 |
|
|
770 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
771 |
{ |
{ |
772 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
773 |
{ |
{ |
774 |
if (dbytes >= twopass->alt_curve_high) |
if (dbytes >= twopass->alt_curve_high) |
775 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
779 |
{ |
{ |
780 |
case 2: |
case 2: |
781 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
782 |
sin(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_high_diff))); |
sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
783 |
break; |
break; |
784 |
case 1: |
case 1: |
785 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
786 |
(dbytes - twopass->average_frame) / twopass->alt_curve_high_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
787 |
break; |
break; |
788 |
case 0: |
case 0: |
789 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
790 |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_high_diff)))); |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
791 |
} |
} |
792 |
} |
} |
793 |
} |
} |
801 |
{ |
{ |
802 |
case 2: |
case 2: |
803 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
804 |
sin(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_low_diff))); |
sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
805 |
break; |
break; |
806 |
case 1: |
case 1: |
807 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
808 |
(dbytes - twopass->average_frame) / twopass->alt_curve_low_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
809 |
break; |
break; |
810 |
case 0: |
case 0: |
811 |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
812 |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_low_diff)))); |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
813 |
} |
} |
814 |
} |
} |
815 |
} |
} |
816 |
} |
} |
817 |
else |
else |
818 |
{ |
{ |
819 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
820 |
{ |
{ |
821 |
dbytes2 = ((double)dbytes + (twopass->average_frame - dbytes) * |
dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
822 |
codec->config.curve_compression_high / 100.0); |
codec->config.curve_compression_high / 100.0); |
823 |
} |
} |
824 |
else |
else |
825 |
{ |
{ |
826 |
dbytes2 = ((double)dbytes + (twopass->average_frame - dbytes) * |
dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
827 |
codec->config.curve_compression_low / 100.0); |
codec->config.curve_compression_low / 100.0); |
828 |
} |
} |
829 |
} |
} |
830 |
|
|
831 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
832 |
|
{ |
833 |
|
dbytes2 *= twopass->average_bframe / twopass->average_pframe; |
834 |
|
if (dbytes2 < twopass->minbsize) |
835 |
|
dbytes2 = twopass->minbsize; |
836 |
|
} |
837 |
|
else |
838 |
|
{ |
839 |
if (dbytes2 < twopass->minpsize) |
if (dbytes2 < twopass->minpsize) |
840 |
dbytes2 = twopass->minpsize; |
dbytes2 = twopass->minpsize; |
841 |
|
} |
842 |
|
|
843 |
total2 += dbytes2; |
total2 += dbytes2; |
844 |
} |
} |
853 |
int asymmetric_average_frame; |
int asymmetric_average_frame; |
854 |
char s[100]; |
char s[100]; |
855 |
|
|
856 |
asymmetric_average_frame = (int)(twopass->average_frame * twopass->curve_comp_scale); |
asymmetric_average_frame = (int)(twopass->average_pframe * twopass->curve_comp_scale); |
857 |
wsprintf(s, "middle frame size for asymmetric curve compression: %i", asymmetric_average_frame); |
wsprintf(s, "middle frame size for asymmetric curve compression: %i", asymmetric_average_frame); |
858 |
DEBUG2P(s); |
DEBUG2P(s); |
859 |
} |
} |
|
|
|
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
|
860 |
} |
} |
861 |
|
|
862 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
875 |
int i, newquant, percent; |
int i, newquant, percent; |
876 |
int oldquant = 1; |
int oldquant = 1; |
877 |
|
|
878 |
wsprintf(s, "avg scaled framesize:%i", (int)(twopass->average_frame)); |
wsprintf(s, "avg scaled framesize:%i", (int)(twopass->average_pframe)); |
879 |
DEBUG2P(s); |
DEBUG2P(s); |
880 |
|
|
881 |
wsprintf(s, "bias bonus:%i bytes", (int)(twopass->curve_bias_bonus)); |
wsprintf(s, "bias bonus:%i bytes", (int)(twopass->curve_bias_bonus)); |
884 |
for (i=1; i <= (int)(twopass->alt_curve_high*2)+1; i++) |
for (i=1; i <= (int)(twopass->alt_curve_high*2)+1; i++) |
885 |
{ |
{ |
886 |
dbytes = i; |
dbytes = i; |
887 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
888 |
{ |
{ |
889 |
if (dbytes >= twopass->alt_curve_high) |
if (dbytes >= twopass->alt_curve_high) |
890 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
894 |
{ |
{ |
895 |
case 2: |
case 2: |
896 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
897 |
sin(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_high_diff))); |
sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
898 |
break; |
break; |
899 |
case 1: |
case 1: |
900 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
901 |
(dbytes - twopass->average_frame) / twopass->alt_curve_high_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
902 |
break; |
break; |
903 |
case 0: |
case 0: |
904 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
905 |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_high_diff)))); |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
906 |
} |
} |
907 |
} |
} |
908 |
} |
} |
916 |
{ |
{ |
917 |
case 2: |
case 2: |
918 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
919 |
sin(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_low_diff))); |
sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
920 |
break; |
break; |
921 |
case 1: |
case 1: |
922 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
923 |
(dbytes - twopass->average_frame) / twopass->alt_curve_low_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
924 |
break; |
break; |
925 |
case 0: |
case 0: |
926 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
927 |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_low_diff)))); |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
928 |
} |
} |
929 |
} |
} |
930 |
} |
} |
938 |
if (newquant != oldquant) |
if (newquant != oldquant) |
939 |
{ |
{ |
940 |
oldquant = newquant; |
oldquant = newquant; |
941 |
percent = (int)((i - twopass->average_frame) * 100.0 / twopass->average_frame); |
percent = (int)((i - twopass->average_pframe) * 100.0 / twopass->average_pframe); |
942 |
wsprintf(s, "quant:%i threshold at %i : %i percent", newquant, i, percent); |
wsprintf(s, "quant:%i threshold at %i : %i percent", newquant, i, percent); |
943 |
DEBUG2P(s); |
DEBUG2P(s); |
944 |
} |
} |
958 |
return ICERR_OK; |
return ICERR_OK; |
959 |
} |
} |
960 |
|
|
961 |
|
// NOTE: codec_2pass_get_quant() should be called for all the frames that are in the stats file(s) |
962 |
int codec_2pass_get_quant(CODEC* codec, XVID_ENC_FRAME* frame) |
int codec_2pass_get_quant(CODEC* codec, XVID_ENC_FRAME* frame) |
963 |
{ |
{ |
964 |
static double quant_error[32]; |
static double bquant_error[32]; |
965 |
|
static double pquant_error[32]; |
966 |
static double curve_comp_error; |
static double curve_comp_error; |
967 |
static int last_quant; |
static int last_bquant, last_pquant; |
968 |
|
|
969 |
TWOPASS * twopass = &codec->twopass; |
TWOPASS * twopass = &codec->twopass; |
970 |
|
|
971 |
DWORD read; |
// DWORD read; |
972 |
int bytes1, bytes2; |
int bytes1, bytes2; |
973 |
int overflow; |
int overflow; |
974 |
int credits_pos; |
int credits_pos; |
981 |
|
|
982 |
for (i=0 ; i<32 ; ++i) |
for (i=0 ; i<32 ; ++i) |
983 |
{ |
{ |
984 |
quant_error[i] = 0.0; |
bquant_error[i] = 0.0; |
985 |
|
pquant_error[i] = 0.0; |
986 |
twopass->quant_count[i] = 0; |
twopass->quant_count[i] = 0; |
987 |
} |
} |
988 |
|
|
989 |
curve_comp_error = 0.0; |
curve_comp_error = 0.0; |
990 |
last_quant = 0; |
last_bquant = 0; |
991 |
|
last_pquant = 0; |
992 |
} |
} |
993 |
|
|
994 |
if (ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, 0) == 0 || read != sizeof(NNSTATS)) |
if (twopass->nns_array_pos >= twopass->nns_array_length) |
995 |
{ |
{ |
996 |
DEBUGERR("2ndpass quant: couldn't read from stats1"); |
// fix for VirtualDub 1.4.13 bframe handling |
997 |
|
if (codec->config.max_bframes > 0 && |
998 |
|
codec->framenum < twopass->nns_array_length + codec->config.max_bframes) |
999 |
|
{ |
1000 |
|
return ICERR_OK; |
1001 |
|
} |
1002 |
|
else |
1003 |
|
{ |
1004 |
|
DEBUGERR("ERROR: VIDEO EXCEEDS 1ST PASS!!!"); |
1005 |
return ICERR_ERROR; |
return ICERR_ERROR; |
1006 |
} |
} |
1007 |
|
} |
1008 |
|
|
1009 |
|
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
1010 |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
1011 |
|
memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
1012 |
|
twopass->nns_array_pos++; |
1013 |
|
|
1014 |
|
bytes1 = twopass->nns1.bytes; |
1015 |
|
|
1016 |
|
// skip unnecessary frames. |
1017 |
|
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME) |
1018 |
{ |
{ |
1019 |
if (ReadFile(twopass->stats2, &twopass->nns2, sizeof(NNSTATS), &read, 0) == 0 || read != sizeof(NNSTATS)) |
twopass->bytes1 = bytes1; |
1020 |
|
twopass->bytes2 = bytes1; |
1021 |
|
twopass->desired_bytes2 = bytes1; |
1022 |
|
frame->intra = 3; |
1023 |
|
return ICERR_OK; |
1024 |
|
} |
1025 |
|
else if (twopass->nns1.dd_v & NNSTATS_PADFRAME) |
1026 |
{ |
{ |
1027 |
DEBUGERR("2ndpass quant: couldn't read from stats2"); |
twopass->bytes1 = bytes1; |
1028 |
return ICERR_ERROR; |
twopass->bytes2 = bytes1; |
1029 |
|
twopass->desired_bytes2 = bytes1; |
1030 |
|
frame->intra = 4; |
1031 |
|
return ICERR_OK; |
1032 |
} |
} |
1033 |
|
else if (twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
1034 |
|
{ |
1035 |
|
twopass->bytes1 = bytes1; |
1036 |
|
twopass->bytes2 = bytes1; |
1037 |
|
twopass->desired_bytes2 = bytes1; |
1038 |
|
frame->intra = 5; |
1039 |
|
return ICERR_OK; |
1040 |
} |
} |
1041 |
|
|
|
bytes1 = twopass->nns1.bytes; |
|
1042 |
overflow = twopass->overflow / 8; |
overflow = twopass->overflow / 8; |
1043 |
|
|
1044 |
// override codec i-frame choice (reenable in credits) |
// override codec i-frame choice (reenable in credits) |
1045 |
frame->intra = (twopass->nns1.quant & NNSTATS_KEYFRAME); |
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1046 |
|
frame->intra=1; |
1047 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1048 |
|
frame->intra=2; |
1049 |
|
else |
1050 |
|
frame->intra=0; |
1051 |
|
|
1052 |
if (frame->intra) |
if (frame->intra==1) |
1053 |
{ |
{ |
1054 |
overflow = 0; |
overflow = 0; |
1055 |
} |
} |
1101 |
{ |
{ |
1102 |
if (codec->config.credits_quant_i != codec->config.credits_quant_p) |
if (codec->config.credits_quant_i != codec->config.credits_quant_p) |
1103 |
{ |
{ |
1104 |
frame->quant = frame->intra ? |
frame->quant = frame->intra == 1 ? |
1105 |
codec->config.credits_quant_i : |
codec->config.credits_quant_i : |
1106 |
codec->config.credits_quant_p; |
codec->config.credits_quant_p; |
1107 |
} |
} |
1126 |
|
|
1127 |
bytes2 = (codec->config.mode == DLG_MODE_2PASS_2_INT) ? bytes1 : twopass->nns2.bytes; |
bytes2 = (codec->config.mode == DLG_MODE_2PASS_2_INT) ? bytes1 : twopass->nns2.bytes; |
1128 |
|
|
1129 |
if (frame->intra) |
if (frame->intra==1) |
1130 |
{ |
{ |
1131 |
dbytes = ((int)(bytes2 + bytes2 * codec->config.keyframe_boost / 100)) / |
dbytes = ((int)(bytes2 + bytes2 * codec->config.keyframe_boost / 100)) / |
1132 |
twopass->movie_curve; |
twopass->movie_curve; |
1136 |
dbytes = bytes2 / twopass->movie_curve; |
dbytes = bytes2 / twopass->movie_curve; |
1137 |
} |
} |
1138 |
|
|
1139 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1140 |
|
dbytes *= twopass->average_pframe / twopass->average_bframe; |
1141 |
|
|
1142 |
// spread the compression error across payback_delay frames |
// spread the compression error across payback_delay frames |
1143 |
if (codec->config.bitrate_payback_method == 0) |
if (codec->config.bitrate_payback_method == 0) |
1144 |
{ |
{ |
1147 |
else |
else |
1148 |
{ |
{ |
1149 |
bytes2 = (int)(curve_comp_error * dbytes / |
bytes2 = (int)(curve_comp_error * dbytes / |
1150 |
twopass->average_frame / codec->config.bitrate_payback_delay); |
twopass->average_pframe / codec->config.bitrate_payback_delay); |
1151 |
|
|
1152 |
if (labs(bytes2) > fabs(curve_comp_error)) |
if (labs(bytes2) > fabs(curve_comp_error)) |
1153 |
{ |
{ |
1159 |
|
|
1160 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
1161 |
{ |
{ |
1162 |
if (!frame->intra) |
if (!(frame->intra==1)) |
1163 |
{ |
{ |
1164 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
1165 |
{ |
{ |
1166 |
if (dbytes >= twopass->alt_curve_high) |
if (dbytes >= twopass->alt_curve_high) |
1167 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
1171 |
{ |
{ |
1172 |
case 2: |
case 2: |
1173 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
1174 |
sin(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_high_diff))); |
sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
1175 |
break; |
break; |
1176 |
case 1: |
case 1: |
1177 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
1178 |
(dbytes - twopass->average_frame) / twopass->alt_curve_high_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
1179 |
break; |
break; |
1180 |
case 0: |
case 0: |
1181 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
1182 |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_high_diff)))); |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
1183 |
} |
} |
1184 |
} |
} |
1185 |
} |
} |
1193 |
{ |
{ |
1194 |
case 2: |
case 2: |
1195 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
1196 |
sin(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_low_diff))); |
sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
1197 |
break; |
break; |
1198 |
case 1: |
case 1: |
1199 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
1200 |
(dbytes - twopass->average_frame) / twopass->alt_curve_low_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
1201 |
break; |
break; |
1202 |
case 0: |
case 0: |
1203 |
curve_temp = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
curve_temp = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
1204 |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_frame) * 90.0 / twopass->alt_curve_low_diff)))); |
(1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
1205 |
} |
} |
1206 |
} |
} |
1207 |
} |
} |
1208 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1209 |
|
curve_temp *= twopass->average_bframe / twopass->average_pframe; |
1210 |
|
|
1211 |
curve_temp = curve_temp * twopass->curve_comp_scale + twopass->curve_bias_bonus; |
curve_temp = curve_temp * twopass->curve_comp_scale + twopass->curve_bias_bonus; |
1212 |
|
|
1213 |
bytes2 += ((int)curve_temp); |
bytes2 += ((int)curve_temp); |
1215 |
} |
} |
1216 |
else |
else |
1217 |
{ |
{ |
1218 |
curve_comp_error += dbytes - ((int)dbytes); |
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1219 |
|
dbytes *= twopass->average_bframe / twopass->average_pframe; |
1220 |
|
|
1221 |
bytes2 += ((int)dbytes); |
bytes2 += ((int)dbytes); |
1222 |
|
curve_comp_error += dbytes - ((int)dbytes); |
1223 |
} |
} |
1224 |
} |
} |
1225 |
else if ((codec->config.curve_compression_high + codec->config.curve_compression_low) && |
else if ((codec->config.curve_compression_high + codec->config.curve_compression_low) && |
1226 |
!frame->intra) |
!(frame->intra==1)) |
1227 |
{ |
{ |
1228 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
1229 |
{ |
{ |
1230 |
curve_temp = twopass->curve_comp_scale * |
curve_temp = twopass->curve_comp_scale * |
1231 |
((double)dbytes + (twopass->average_frame - dbytes) * |
((double)dbytes + (twopass->average_pframe - dbytes) * |
1232 |
codec->config.curve_compression_high / 100.0); |
codec->config.curve_compression_high / 100.0); |
1233 |
} |
} |
1234 |
else |
else |
1235 |
{ |
{ |
1236 |
curve_temp = twopass->curve_comp_scale * |
curve_temp = twopass->curve_comp_scale * |
1237 |
((double)dbytes + (twopass->average_frame - dbytes) * |
((double)dbytes + (twopass->average_pframe - dbytes) * |
1238 |
codec->config.curve_compression_low / 100.0); |
codec->config.curve_compression_low / 100.0); |
1239 |
} |
} |
1240 |
|
|
1241 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1242 |
|
curve_temp *= twopass->average_bframe / twopass->average_pframe; |
1243 |
|
|
1244 |
bytes2 += ((int)curve_temp); |
bytes2 += ((int)curve_temp); |
1245 |
curve_comp_error += curve_temp - ((int)curve_temp); |
curve_comp_error += curve_temp - ((int)curve_temp); |
1246 |
} |
} |
1247 |
else |
else |
1248 |
{ |
{ |
1249 |
curve_comp_error += dbytes - ((int)dbytes); |
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1250 |
|
dbytes *= twopass->average_bframe / twopass->average_pframe; |
1251 |
|
|
1252 |
bytes2 += ((int)dbytes); |
bytes2 += ((int)dbytes); |
1253 |
|
curve_comp_error += dbytes - ((int)dbytes); |
1254 |
} |
} |
1255 |
|
|
1256 |
if (frame->intra) |
// cap bytes2 to first pass size, lowers number of quant=1 frames |
1257 |
|
if (bytes2 > bytes1) |
1258 |
|
{ |
1259 |
|
curve_comp_error += bytes2 - bytes1; |
1260 |
|
bytes2 = bytes1; |
1261 |
|
} |
1262 |
|
else |
1263 |
|
{ |
1264 |
|
if (frame->intra==1) |
1265 |
{ |
{ |
1266 |
if (bytes2 < twopass->minisize) |
if (bytes2 < twopass->minisize) |
1267 |
{ |
{ |
1269 |
bytes2 = twopass->minisize; |
bytes2 = twopass->minisize; |
1270 |
} |
} |
1271 |
} |
} |
1272 |
else |
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1273 |
{ |
{ |
1274 |
// cap bytes2 to first pass size, lowers number of quant=1 frames |
if (bytes2 < twopass->minbsize) |
1275 |
if (bytes2 > bytes1) |
bytes2 = twopass->minbsize; |
|
{ |
|
|
curve_comp_error += bytes2 - bytes1; |
|
|
bytes2 = bytes1; |
|
1276 |
} |
} |
1277 |
else if (bytes2 < twopass->minpsize) |
else |
1278 |
|
{ |
1279 |
|
if (bytes2 < twopass->minpsize) |
1280 |
bytes2 = twopass->minpsize; |
bytes2 = twopass->minpsize; |
1281 |
} |
} |
1282 |
} |
} |
1283 |
|
} |
1284 |
|
|
1285 |
twopass->desired_bytes2 = bytes2; |
twopass->desired_bytes2 = bytes2; |
1286 |
|
|
1287 |
// if this keyframe is too close to the next, |
// if this keyframe is too close to the next, |
1288 |
// reduce it's byte allotment |
// reduce it's byte allotment |
1289 |
if (frame->intra && !credits_pos) |
if ((frame->intra==1) && !credits_pos) |
1290 |
{ |
{ |
1291 |
KFdistance = codec->twopass.keyframe_locations[codec->twopass.KF_idx] - |
KFdistance = codec->twopass.keyframe_locations[codec->twopass.KF_idx] - |
1292 |
codec->twopass.keyframe_locations[codec->twopass.KF_idx - 1]; |
codec->twopass.keyframe_locations[codec->twopass.KF_idx - 1]; |
1312 |
|
|
1313 |
// Foxer: scale overflow in relation to average size, so smaller frames don't get |
// Foxer: scale overflow in relation to average size, so smaller frames don't get |
1314 |
// too much/little bitrate |
// too much/little bitrate |
1315 |
overflow = (int)((double)overflow * bytes2 / twopass->average_frame * |
overflow = (int)((double)overflow * bytes2 / twopass->average_pframe); |
|
(bytes1 - bytes2) / bytes1); |
|
1316 |
|
|
1317 |
// Foxer: reign in overflow with huge frames |
// Foxer: reign in overflow with huge frames |
1318 |
if (labs(overflow) > labs(twopass->overflow)) |
if (labs(overflow) > labs(twopass->overflow)) |
1341 |
bytes2 = twopass->max_framesize; |
bytes2 = twopass->max_framesize; |
1342 |
} |
} |
1343 |
|
|
1344 |
if (bytes2 < 1) |
// make sure to not scale below the minimum framesize |
1345 |
|
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1346 |
{ |
{ |
1347 |
bytes2 = 1; |
if (bytes2 < twopass->minisize) |
1348 |
|
bytes2 = twopass->minisize; |
1349 |
|
} |
1350 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1351 |
|
{ |
1352 |
|
if (bytes2 < twopass->minbsize) |
1353 |
|
bytes2 = twopass->minbsize; |
1354 |
|
} |
1355 |
|
else |
1356 |
|
{ |
1357 |
|
if (bytes2 < twopass->minpsize) |
1358 |
|
bytes2 = twopass->minpsize; |
1359 |
} |
} |
1360 |
|
|
1361 |
twopass->bytes1 = bytes1; |
twopass->bytes1 = bytes1; |
1372 |
{ |
{ |
1373 |
frame->quant = 31; |
frame->quant = 31; |
1374 |
} |
} |
1375 |
else if (!frame->intra) |
else if (!(frame->intra==1)) |
1376 |
{ |
{ |
1377 |
// Foxer: aid desired quantizer precision by accumulating decision error |
// Foxer: aid desired quantizer precision by accumulating decision error |
1378 |
quant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * |
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1379 |
|
{ |
1380 |
|
bquant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * |
1381 |
|
bytes1) / bytes2) - frame->quant; |
1382 |
|
|
1383 |
|
if (bquant_error[frame->quant] >= 1.0) |
1384 |
|
{ |
1385 |
|
bquant_error[frame->quant] -= 1.0; |
1386 |
|
++frame->quant; |
1387 |
|
} |
1388 |
|
} |
1389 |
|
else |
1390 |
|
{ |
1391 |
|
pquant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * |
1392 |
bytes1) / bytes2) - frame->quant; |
bytes1) / bytes2) - frame->quant; |
1393 |
|
|
1394 |
if (quant_error[frame->quant] >= 1.0) |
if (pquant_error[frame->quant] >= 1.0) |
1395 |
{ |
{ |
1396 |
quant_error[frame->quant] -= 1.0; |
pquant_error[frame->quant] -= 1.0; |
1397 |
++frame->quant; |
++frame->quant; |
1398 |
} |
} |
1399 |
} |
} |
1400 |
|
} |
1401 |
|
|
1402 |
// we're done with credits |
// we're done with credits |
1403 |
if (codec_is_in_credits(&codec->config, codec->framenum)) |
if (codec_is_in_credits(&codec->config, codec->framenum)) |
1405 |
return ICERR_OK; |
return ICERR_OK; |
1406 |
} |
} |
1407 |
|
|
1408 |
if (frame->intra) |
if ((frame->intra==1)) |
1409 |
{ |
{ |
1410 |
if (frame->quant < codec->config.min_iquant) |
if (frame->quant < codec->config.min_iquant) |
1411 |
{ |
{ |
1430 |
} |
} |
1431 |
|
|
1432 |
// subsequent frame quants can only be +- 2 |
// subsequent frame quants can only be +- 2 |
1433 |
if (last_quant && capped_to_max_framesize == 0) |
if ((last_pquant || last_bquant) && capped_to_max_framesize == 0) |
1434 |
|
{ |
1435 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1436 |
|
{ |
1437 |
|
// this bframe quantizer variation |
1438 |
|
// restriction needs to be redone. |
1439 |
|
if (frame->quant > last_bquant + 2) |
1440 |
|
{ |
1441 |
|
frame->quant = last_bquant + 2; |
1442 |
|
DEBUG2P("B-frame quantizer prevented from rising too steeply"); |
1443 |
|
} |
1444 |
|
if (frame->quant < last_bquant - 2) |
1445 |
|
{ |
1446 |
|
frame->quant = last_bquant - 2; |
1447 |
|
DEBUG2P("B-frame quantizer prevented from falling too steeply"); |
1448 |
|
} |
1449 |
|
} |
1450 |
|
else |
1451 |
{ |
{ |
1452 |
if (frame->quant > last_quant + 2) |
if (frame->quant > last_pquant + 2) |
1453 |
{ |
{ |
1454 |
frame->quant = last_quant + 2; |
frame->quant = last_pquant + 2; |
1455 |
DEBUG2P("P-frame quantizer prevented from rising too steeply"); |
DEBUG2P("P-frame quantizer prevented from rising too steeply"); |
1456 |
} |
} |
1457 |
if (frame->quant < last_quant - 2) |
if (frame->quant < last_pquant - 2) |
1458 |
{ |
{ |
1459 |
frame->quant = last_quant - 2; |
frame->quant = last_pquant - 2; |
1460 |
DEBUG2P("P-frame quantizer prevented from falling too steeply"); |
DEBUG2P("P-frame quantizer prevented from falling too steeply"); |
1461 |
} |
} |
1462 |
} |
} |
1463 |
} |
} |
1464 |
|
} |
1465 |
|
|
1466 |
if (capped_to_max_framesize == 0) |
if (capped_to_max_framesize == 0) |
1467 |
last_quant = frame->quant; |
{ |
1468 |
|
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1469 |
|
{ |
1470 |
|
last_bquant = frame->quant; |
1471 |
|
last_pquant = frame->quant; |
1472 |
|
} |
1473 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1474 |
|
last_bquant = frame->quant; |
1475 |
|
else |
1476 |
|
last_pquant = frame->quant; |
1477 |
|
} |
1478 |
|
|
1479 |
if (codec->config.quant_type == QUANT_MODE_MOD) |
if (codec->config.quant_type == QUANT_MODE_MOD) |
1480 |
{ |
{ |
1482 |
frame->general &= (frame->quant < 4) ? ~XVID_H263QUANT : ~XVID_MPEGQUANT; |
frame->general &= (frame->quant < 4) ? ~XVID_H263QUANT : ~XVID_MPEGQUANT; |
1483 |
} |
} |
1484 |
|
|
1485 |
|
if (codec->config.quant_type == QUANT_MODE_MOD_NEW) |
1486 |
|
{ |
1487 |
|
frame->general |= (frame->quant < 4) ? XVID_H263QUANT : XVID_MPEGQUANT; |
1488 |
|
frame->general &= (frame->quant < 4) ? ~XVID_MPEGQUANT : ~XVID_H263QUANT; |
1489 |
|
} |
1490 |
|
|
1491 |
return ICERR_OK; |
return ICERR_OK; |
1492 |
} |
} |
1493 |
|
|
1500 |
DWORD wrote; |
DWORD wrote; |
1501 |
int credits_pos, tempdiv; |
int credits_pos, tempdiv; |
1502 |
char* quant_type; |
char* quant_type; |
1503 |
|
char* frame_type; |
1504 |
|
|
1505 |
if (codec->framenum == 0) |
if (codec->framenum == 0) |
1506 |
{ |
{ |
1515 |
{ |
{ |
1516 |
case DLG_MODE_2PASS_1 : |
case DLG_MODE_2PASS_1 : |
1517 |
nns1.bytes = frame->length; // total bytes |
nns1.bytes = frame->length; // total bytes |
1518 |
nns1.dd_v = stats->hlength; // header bytes |
// THIS small bugger messed up 2pass encoding! |
1519 |
|
// nns1.dd_v = stats->hlength; // header bytes |
1520 |
|
nns1.dd_v = 0; |
1521 |
nns1.dd_u = nns1.dd_y = 0; |
nns1.dd_u = nns1.dd_y = 0; |
1522 |
nns1.dk_v = nns1.dk_u = nns1.dk_y = 0; |
nns1.dk_v = nns1.dk_u = nns1.dk_y = 0; |
1523 |
nns1.md_u = nns1.md_y = 0; |
nns1.md_u = nns1.md_y = 0; |
1525 |
|
|
1526 |
// nns1.quant = stats->quant; |
// nns1.quant = stats->quant; |
1527 |
nns1.quant = 2; // ugly fix for lumi masking in 1st pass returning new quant |
nns1.quant = 2; // ugly fix for lumi masking in 1st pass returning new quant |
1528 |
if (frame->intra) |
nns1.lum_noise[0] = nns1.lum_noise[1] = 1; |
1529 |
{ |
frame_type="inter"; |
1530 |
|
if (frame->intra==1) { |
1531 |
nns1.quant |= NNSTATS_KEYFRAME; |
nns1.quant |= NNSTATS_KEYFRAME; |
1532 |
|
frame_type="intra"; |
1533 |
|
} |
1534 |
|
else if (frame->intra==2) { |
1535 |
|
nns1.dd_v |= NNSTATS_BFRAME; |
1536 |
|
frame_type="bframe"; |
1537 |
|
} |
1538 |
|
else if (frame->intra==3) { |
1539 |
|
nns1.dd_v |= NNSTATS_SKIPFRAME; |
1540 |
|
frame_type="skiped"; |
1541 |
|
} |
1542 |
|
else if (frame->intra==4) { |
1543 |
|
nns1.dd_v |= NNSTATS_PADFRAME; |
1544 |
|
frame_type="padded"; |
1545 |
|
} |
1546 |
|
else if (frame->intra==5) { |
1547 |
|
nns1.dd_v |= NNSTATS_DELAYFRAME; |
1548 |
|
frame_type="delayed"; |
1549 |
} |
} |
1550 |
nns1.kblk = stats->kblks; |
nns1.kblk = stats->kblks; |
1551 |
nns1.mblk = stats->mblks; |
nns1.mblk = stats->mblks; |
1552 |
nns1.ublk = stats->ublks; |
nns1.ublk = stats->ublks; |
|
nns1.lum_noise[0] = nns1.lum_noise[1] = 1; |
|
1553 |
|
|
1554 |
total_size += frame->length; |
total_size += frame->length; |
1555 |
|
|
1556 |
DEBUG1ST(frame->length, (int)total_size/1024, frame->intra, frame->quant, quant_type, stats->kblks, stats->mblks) |
DEBUG1ST(frame->length, (int)total_size/1024, frame_type, frame->quant, quant_type, stats->kblks, stats->mblks) |
1557 |
|
|
1558 |
|
|
1559 |
if (WriteFile(codec->twopass.stats1, &nns1, sizeof(NNSTATS), &wrote, 0) == 0 || wrote != sizeof(NNSTATS)) |
if (WriteFile(codec->twopass.stats1, &nns1, sizeof(NNSTATS), &wrote, 0) == 0 || wrote != sizeof(NNSTATS)) |
1560 |
{ |
{ |
1566 |
case DLG_MODE_2PASS_2_INT : |
case DLG_MODE_2PASS_2_INT : |
1567 |
case DLG_MODE_2PASS_2_EXT : |
case DLG_MODE_2PASS_2_EXT : |
1568 |
credits_pos = codec_is_in_credits(&codec->config, codec->framenum); |
credits_pos = codec_is_in_credits(&codec->config, codec->framenum); |
1569 |
|
if (!(codec->twopass.nns1.dd_v & NNSTATS_SKIPFRAME) && |
1570 |
|
!(codec->twopass.nns1.dd_v & NNSTATS_PADFRAME) && |
1571 |
|
!(codec->twopass.nns1.dd_v & NNSTATS_DELAYFRAME)) |
1572 |
|
{ |
1573 |
if (!credits_pos) |
if (!credits_pos) |
1574 |
{ |
{ |
1575 |
codec->twopass.quant_count[frame->quant]++; |
codec->twopass.quant_count[frame->quant]++; |
1617 |
codec->twopass.KFoverflow_partial = 0; |
codec->twopass.KFoverflow_partial = 0; |
1618 |
// end of ugly fix. |
// end of ugly fix. |
1619 |
} |
} |
1620 |
|
} |
1621 |
|
|
1622 |
DEBUG2ND(frame->quant, quant_type, frame->intra, codec->twopass.bytes1, codec->twopass.desired_bytes2, frame->length, codec->twopass.overflow, credits_pos) |
frame_type="inter"; |
1623 |
|
if (frame->intra==1) { |
1624 |
|
frame_type="intra"; |
1625 |
|
} |
1626 |
|
else if (codec->twopass.nns1.dd_v & NNSTATS_BFRAME) { |
1627 |
|
frame_type="bframe"; |
1628 |
|
} |
1629 |
|
else if (codec->twopass.nns1.dd_v & NNSTATS_SKIPFRAME) { |
1630 |
|
frame_type="skipped"; |
1631 |
|
frame->quant = 2; |
1632 |
|
codec->twopass.bytes1 = 1; |
1633 |
|
codec->twopass.desired_bytes2 = 1; |
1634 |
|
frame->length = 1; |
1635 |
|
} |
1636 |
|
else if (codec->twopass.nns1.dd_v & NNSTATS_PADFRAME) { |
1637 |
|
frame_type="padded"; |
1638 |
|
frame->quant = 2; |
1639 |
|
codec->twopass.bytes1 = 7; |
1640 |
|
codec->twopass.desired_bytes2 = 7; |
1641 |
|
frame->length = 7; |
1642 |
|
} |
1643 |
|
else if (codec->twopass.nns1.dd_v & NNSTATS_DELAYFRAME) { |
1644 |
|
frame_type="delayed"; |
1645 |
|
frame->quant = 2; |
1646 |
|
codec->twopass.bytes1 = 1; |
1647 |
|
codec->twopass.desired_bytes2 = 1; |
1648 |
|
frame->length = 1; |
1649 |
|
} |
1650 |
|
|
1651 |
|
DEBUG2ND(frame->quant, quant_type, frame_type, codec->twopass.bytes1, codec->twopass.desired_bytes2, frame->length, codec->twopass.overflow, credits_pos) |
1652 |
break; |
break; |
1653 |
|
|
1654 |
default: |
default: |
1662 |
{ |
{ |
1663 |
int i; |
int i; |
1664 |
char s[100]; |
char s[100]; |
1665 |
|
|
1666 |
|
if (codec->twopass.nns1_array) |
1667 |
|
{ |
1668 |
|
free(codec->twopass.nns1_array); |
1669 |
|
codec->twopass.nns1_array = NULL; |
1670 |
|
} |
1671 |
|
if (codec->twopass.nns2_array) |
1672 |
|
{ |
1673 |
|
free(codec->twopass.nns2_array); |
1674 |
|
codec->twopass.nns2_array = NULL; |
1675 |
|
} |
1676 |
|
codec->twopass.nns_array_size = 0; |
1677 |
|
codec->twopass.nns_array_length = 0; |
1678 |
|
codec->twopass.nns_array_pos = 0; |
1679 |
|
|
1680 |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT || codec->config.mode == DLG_MODE_2PASS_2_INT) |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT || codec->config.mode == DLG_MODE_2PASS_2_INT) |
1681 |
{ |
{ |
1682 |
// output the quantizer distribution for this encode. |
// output the quantizer distribution for this encode. |
1693 |
return; |
return; |
1694 |
} |
} |
1695 |
} |
} |
1696 |
|
|