23 |
* |
* |
24 |
* History: |
* History: |
25 |
* |
* |
26 |
|
* 17.04.2002 changed 1st pass quant to always be 2 (2pass_update()) |
27 |
|
* 07.04.2002 added max bitrate constraint, overflow controls (foxer) |
28 |
* 31.03.2002 inital version; |
* 31.03.2002 inital version; |
29 |
* |
* |
30 |
*************************************************************************/ |
*************************************************************************/ |
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; |
51 |
|
|
52 |
if (codec->config.hinted_me) |
if (codec->config.hinted_me) |
53 |
{ |
{ |
101 |
return ICERR_ERROR; |
return ICERR_ERROR; |
102 |
} |
} |
103 |
|
|
104 |
|
twopass->nns1_array = (NNSTATS*)malloc(sizeof(NNSTATS) * 10240); |
105 |
|
twopass->nns2_array = (NNSTATS*)malloc(sizeof(NNSTATS) * 10240); |
106 |
|
twopass->nns_array_size = 10240; |
107 |
|
twopass->nns_array_length = 0; |
108 |
|
twopass->nns_array_pos = 0; |
109 |
|
|
110 |
|
// read the stats file(s) into array(s) and reorder them so they |
111 |
|
// correctly represent the frames that the encoder will receive. |
112 |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
113 |
{ |
{ |
114 |
if (twopass->stats2 != INVALID_HANDLE_VALUE) |
if (twopass->stats2 != INVALID_HANDLE_VALUE) |
166 |
} |
} |
167 |
} |
} |
168 |
|
|
169 |
|
// increase the allocated memory if necessary |
170 |
|
if (frames >= twopass->nns_array_size) |
171 |
|
{ |
172 |
|
twopass->nns1_array = (NNSTATS*)realloc(twopass->nns1_array, |
173 |
|
sizeof(NNSTATS) * (twopass->nns_array_size * 5 / 4 + 1)); |
174 |
|
twopass->nns2_array = (NNSTATS*)realloc(twopass->nns2_array, |
175 |
|
sizeof(NNSTATS) * (twopass->nns_array_size * 5 / 4 + 1)); |
176 |
|
twopass->nns_array_size = twopass->nns_array_size * 5 / 4 + 1; |
177 |
|
} |
178 |
|
|
179 |
|
// copy this frame's stats into the arrays |
180 |
|
memcpy (&twopass->nns1_array[frames], &twopass->nns1, sizeof(NNSTATS)); |
181 |
|
memcpy (&twopass->nns2_array[frames], &twopass->nns2, sizeof(NNSTATS)); |
182 |
|
frames++; |
183 |
|
} |
184 |
|
|
185 |
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
186 |
|
SetFilePointer(twopass->stats2, sizeof(DWORD), 0, FILE_BEGIN); |
187 |
|
} |
188 |
|
else // DLG_MODE_2PASS_2_INT |
189 |
|
{ |
190 |
|
while (1) |
191 |
|
{ |
192 |
|
if (!ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS)) |
193 |
|
{ |
194 |
|
DWORD err = GetLastError(); |
195 |
|
|
196 |
|
if (err == ERROR_HANDLE_EOF || err == ERROR_SUCCESS) |
197 |
|
{ |
198 |
|
break; |
199 |
|
} |
200 |
|
else |
201 |
|
{ |
202 |
|
CloseHandle(twopass->stats1); |
203 |
|
twopass->stats1 = INVALID_HANDLE_VALUE; |
204 |
|
DEBUGERR("2pass init error - incomplete stats2 record?"); |
205 |
|
return ICERR_ERROR; |
206 |
|
} |
207 |
|
} |
208 |
|
|
209 |
|
// increase the allocated memory if necessary |
210 |
|
if (frames >= twopass->nns_array_size) |
211 |
|
{ |
212 |
|
twopass->nns1_array = (NNSTATS*)realloc(twopass->nns1_array, |
213 |
|
sizeof(NNSTATS) * (twopass->nns_array_size * 5 / 4 + 1)); |
214 |
|
twopass->nns_array_size = twopass->nns_array_size * 5 / 4 + 1; |
215 |
|
} |
216 |
|
|
217 |
|
// copy this frame's stats into the array |
218 |
|
memcpy (&twopass->nns1_array[frames], &twopass->nns1, sizeof(NNSTATS)); |
219 |
|
frames++; |
220 |
|
} |
221 |
|
|
222 |
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
223 |
|
} |
224 |
|
twopass->nns1_array = (NNSTATS*)realloc(twopass->nns1_array, sizeof(NNSTATS) * frames); |
225 |
|
twopass->nns2_array = (NNSTATS*)realloc(twopass->nns2_array, sizeof(NNSTATS) * frames); |
226 |
|
twopass->nns_array_size = frames; |
227 |
|
twopass->nns_array_length = frames; |
228 |
|
frames = 0; |
229 |
|
|
230 |
|
/* // this isn't necessary with the current core. |
231 |
|
// reorder the array(s) so they are in the order that they were received |
232 |
|
// IPBBPBB to |
233 |
|
// IBBPBBP |
234 |
|
for (i=0; i<twopass->nns_array_length; i++) |
235 |
|
{ |
236 |
|
NNSTATS temp_nns, temp_nns2; |
237 |
|
int k, num_bframes; |
238 |
|
if (twopass->nns1_array[i].dd_v & NNSTATS_BFRAME) |
239 |
|
{ |
240 |
|
num_bframes = 1; |
241 |
|
for (k=i+1; k<twopass->nns_array_length; k++) |
242 |
|
{ |
243 |
|
if (twopass->nns1_array[k].dd_v & NNSTATS_BFRAME) |
244 |
|
num_bframes++; |
245 |
|
else |
246 |
|
k=twopass->nns_array_length; |
247 |
|
} |
248 |
|
|
249 |
|
i--; |
250 |
|
memcpy (&temp_nns, &twopass->nns1_array[i], sizeof(NNSTATS)); |
251 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
252 |
|
memcpy (&temp_nns2, &twopass->nns2_array[i], sizeof(NNSTATS)); |
253 |
|
|
254 |
|
for (k=0; k<num_bframes; k++) |
255 |
|
{ |
256 |
|
memcpy(&twopass->nns1_array[i], &twopass->nns1_array[i+1], sizeof(NNSTATS)); |
257 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
258 |
|
memcpy(&twopass->nns2_array[i], &twopass->nns2_array[i+1], sizeof(NNSTATS)); |
259 |
|
i++; |
260 |
|
} |
261 |
|
|
262 |
|
memcpy(&twopass->nns1_array[i], &temp_nns, sizeof(NNSTATS)); |
263 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
264 |
|
memcpy(&twopass->nns2_array[i], &temp_nns2, sizeof(NNSTATS)); |
265 |
|
} |
266 |
|
} |
267 |
|
*/ |
268 |
|
// continue with the initialization.. |
269 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
270 |
|
{ |
271 |
|
while (1) |
272 |
|
{ |
273 |
|
if (twopass->nns_array_pos >= twopass->nns_array_length) |
274 |
|
{ |
275 |
|
twopass->nns_array_pos = 0; |
276 |
|
break; |
277 |
|
} |
278 |
|
|
279 |
|
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
280 |
|
memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
281 |
|
twopass->nns_array_pos++; |
282 |
|
|
283 |
|
// skip unnecessary frames. |
284 |
|
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || |
285 |
|
twopass->nns1.dd_v & NNSTATS_PADFRAME || |
286 |
|
twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
287 |
|
continue; |
288 |
|
|
289 |
if (!codec_is_in_credits(&codec->config, frames)) |
if (!codec_is_in_credits(&codec->config, frames)) |
290 |
{ |
{ |
291 |
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
292 |
{ |
{ |
|
i_boost_total = twopass->nns2.bytes * codec->config.keyframe_boost / 100; |
|
293 |
i_total += twopass->nns2.bytes; |
i_total += twopass->nns2.bytes; |
294 |
|
i_boost_total += twopass->nns2.bytes * codec->config.keyframe_boost / 100; |
295 |
|
twopass->keyframe_locations[i_frames] = frames; |
296 |
++i_frames; |
++i_frames; |
297 |
} |
} |
298 |
|
else |
299 |
total += twopass->nns1.bytes; |
{ |
300 |
total_ext += twopass->nns2.bytes; |
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
301 |
|
{ |
302 |
|
bframe_total += twopass->nns1.bytes; |
303 |
|
bframe_total_ext += twopass->nns2.bytes; |
304 |
|
bframes++; |
305 |
|
} |
306 |
|
else |
307 |
|
{ |
308 |
|
pframe_total += twopass->nns1.bytes; |
309 |
|
pframe_total_ext += twopass->nns2.bytes; |
310 |
|
pframes++; |
311 |
|
} |
312 |
|
} |
313 |
} |
} |
314 |
else |
else |
315 |
++credits_frames; |
++credits_frames; |
316 |
|
|
317 |
|
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
318 |
|
{ |
319 |
|
// this test needs to be corrected.. |
320 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
321 |
|
recminisize = twopass->nns1.bytes; |
322 |
|
} |
323 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
324 |
|
{ |
325 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
326 |
|
recminbsize = twopass->nns1.bytes; |
327 |
|
} |
328 |
|
else |
329 |
|
{ |
330 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
331 |
|
recminpsize = twopass->nns1.bytes; |
332 |
|
} |
333 |
|
|
334 |
++frames; |
++frames; |
335 |
} |
} |
336 |
|
twopass->keyframe_locations[i_frames] = frames; |
337 |
|
|
338 |
|
twopass->movie_curve = ((double)(bframe_total_ext + pframe_total_ext + i_boost_total) / |
339 |
|
(bframe_total_ext + pframe_total_ext)); |
340 |
|
|
341 |
|
if (bframes) |
342 |
|
twopass->average_bframe = (double)bframe_total_ext / bframes / twopass->movie_curve; |
343 |
|
|
344 |
|
if (pframes) |
345 |
|
twopass->average_pframe = (double)pframe_total_ext / pframes / twopass->movie_curve; |
346 |
|
else |
347 |
|
if (bframes) |
348 |
|
twopass->average_pframe = twopass->average_bframe; // b-frame packed bitstream fix |
349 |
|
else |
350 |
|
{ |
351 |
|
DEBUGERR("ERROR: No p-frames or b-frames were present in the 1st pass. Rate control cannot function properly!"); |
352 |
|
return ICERR_ERROR; |
353 |
|
} |
354 |
|
|
|
twopass->movie_curve = ((double)(total_ext + i_boost_total) / total_ext); |
|
|
twopass->average_frame = ((double)(total_ext - i_total) / (frames - credits_frames - i_frames) / twopass->movie_curve); |
|
355 |
|
|
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
|
|
SetFilePointer(twopass->stats2, sizeof(DWORD), 0, FILE_BEGIN); |
|
356 |
|
|
357 |
// perform prepass to compensate for over/undersizing |
// perform prepass to compensate for over/undersizing |
358 |
frames = 0; |
frames = 0; |
359 |
|
|
360 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
361 |
{ |
{ |
362 |
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; |
363 |
twopass->alt_curve_low_diff = twopass->average_frame - twopass->alt_curve_low; |
twopass->alt_curve_low_diff = twopass->average_pframe - twopass->alt_curve_low; |
364 |
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; |
365 |
twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_frame; |
twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_pframe; |
366 |
if (codec->config.alt_curve_use_auto) |
if (codec->config.alt_curve_use_auto) |
367 |
{ |
{ |
368 |
if (total > total_ext) |
if (bframe_total + pframe_total > bframe_total_ext + pframe_total_ext) |
369 |
{ |
{ |
370 |
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 / |
371 |
|
((double)(bframe_total + pframe_total) / (double)(bframe_total_ext + pframe_total_ext))) * |
372 |
|
(double)codec->config.alt_curve_auto_str / 100.0); |
373 |
|
|
374 |
if (codec->config.alt_curve_min_rel_qual < 20) |
if (codec->config.alt_curve_min_rel_qual < 20) |
375 |
codec->config.alt_curve_min_rel_qual = 20; |
codec->config.alt_curve_min_rel_qual = 20; |
376 |
} |
} |
385 |
{ |
{ |
386 |
case 2: // Sine Curve (high aggressiveness) |
case 2: // Sine Curve (high aggressiveness) |
387 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
388 |
sin(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff))); |
sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
389 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
390 |
sin(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff)); |
sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)); |
391 |
break; |
break; |
392 |
case 1: // Linear (medium aggressiveness) |
case 1: // Linear (medium aggressiveness) |
393 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
394 |
twopass->average_frame / twopass->alt_curve_low_diff); |
twopass->average_pframe / twopass->alt_curve_low_diff); |
395 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
396 |
twopass->average_frame / twopass->alt_curve_low_diff; |
twopass->average_pframe / twopass->alt_curve_low_diff; |
397 |
break; |
break; |
398 |
case 0: // Cosine Curve (low aggressiveness) |
case 0: // Cosine Curve (low aggressiveness) |
399 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
400 |
(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)))); |
401 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
402 |
(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))); |
403 |
} |
} |
404 |
} |
} |
405 |
} |
} |
406 |
|
|
407 |
while (1) |
while (1) |
408 |
{ |
{ |
409 |
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) |
|
410 |
{ |
{ |
411 |
|
twopass->nns_array_pos = 0; |
412 |
break; |
break; |
413 |
} |
} |
414 |
else |
|
415 |
|
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
416 |
|
memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
417 |
|
twopass->nns_array_pos++; |
418 |
|
|
419 |
|
if (frames == 0) |
420 |
{ |
{ |
421 |
CloseHandle(twopass->stats1); |
twopass->minbsize = (twopass->nns1.kblk + 88) / 8; |
422 |
CloseHandle(twopass->stats2); |
twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
423 |
twopass->stats1 = INVALID_HANDLE_VALUE; |
twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; |
424 |
twopass->stats2 = INVALID_HANDLE_VALUE; |
if (recminbsize > twopass->minbsize) |
425 |
DEBUGERR("2pass init error - incomplete stats1/stats2 record?"); |
twopass->minbsize = recminbsize; |
426 |
return ICERR_ERROR; |
if (recminpsize > twopass->minpsize) |
427 |
} |
twopass->minpsize = recminpsize; |
428 |
|
if (recminisize > twopass->minisize) |
429 |
|
twopass->minisize = recminisize; |
430 |
} |
} |
431 |
|
|
432 |
|
// skip unnecessary frames. |
433 |
|
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || |
434 |
|
twopass->nns1.dd_v & NNSTATS_PADFRAME || |
435 |
|
twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
436 |
|
continue; |
437 |
|
|
438 |
if (!codec_is_in_credits(&codec->config, frames) && |
if (!codec_is_in_credits(&codec->config, frames) && |
439 |
!(twopass->nns1.quant & NNSTATS_KEYFRAME)) |
!(twopass->nns1.quant & NNSTATS_KEYFRAME)) |
440 |
{ |
{ |
441 |
double dbytes = twopass->nns2.bytes / twopass->movie_curve; |
dbytes = twopass->nns2.bytes / twopass->movie_curve; |
442 |
total1 += dbytes; |
total1 += dbytes; |
443 |
|
|
444 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
445 |
|
dbytes *= twopass->average_pframe / twopass->average_bframe; |
446 |
|
|
447 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
448 |
{ |
{ |
449 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
450 |
{ |
{ |
451 |
if (dbytes >= twopass->alt_curve_high) |
if (dbytes >= twopass->alt_curve_high) |
452 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
453 |
else |
else |
454 |
{ |
{ |
455 |
switch(codec->config.alt_curve_type) |
switch(codec->config.alt_curve_type) |
456 |
{ |
{ |
457 |
case 2: |
case 2: |
458 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
459 |
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))); |
460 |
break; |
break; |
461 |
case 1: |
case 1: |
462 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
463 |
(dbytes - twopass->average_frame) / twopass->alt_curve_high_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
464 |
break; |
break; |
465 |
case 0: |
case 0: |
466 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
467 |
(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)))); |
468 |
} |
} |
469 |
} |
} |
470 |
} |
} |
471 |
else |
else |
472 |
{ |
{ |
473 |
if (dbytes <= twopass->alt_curve_low) |
if (dbytes <= twopass->alt_curve_low) |
474 |
total2 += dbytes; |
dbytes2 = dbytes; |
475 |
else |
else |
476 |
{ |
{ |
477 |
switch(codec->config.alt_curve_type) |
switch(codec->config.alt_curve_type) |
478 |
{ |
{ |
479 |
case 2: |
case 2: |
480 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
481 |
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))); |
482 |
break; |
break; |
483 |
case 1: |
case 1: |
484 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
485 |
(dbytes - twopass->average_frame) / twopass->alt_curve_low_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
486 |
break; |
break; |
487 |
case 0: |
case 0: |
488 |
total2 += dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
489 |
(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)))); |
490 |
} |
} |
491 |
} |
} |
492 |
} |
} |
493 |
} |
} |
494 |
else |
else |
495 |
{ |
{ |
496 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
497 |
{ |
{ |
498 |
total2 += ((double)dbytes + (twopass->average_frame - dbytes) * |
dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
499 |
codec->config.curve_compression_high / 100.0); |
codec->config.curve_compression_high / 100.0); |
500 |
} |
} |
501 |
else |
else |
502 |
{ |
{ |
503 |
total2 += ((double)dbytes + (twopass->average_frame - dbytes) * |
dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
504 |
codec->config.curve_compression_low / 100.0); |
codec->config.curve_compression_low / 100.0); |
505 |
} |
} |
506 |
} |
} |
507 |
|
|
508 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
509 |
|
{ |
510 |
|
dbytes2 *= twopass->average_bframe / twopass->average_pframe; |
511 |
|
if (dbytes2 < twopass->minbsize) |
512 |
|
dbytes2 = twopass->minbsize; |
513 |
|
} |
514 |
|
else |
515 |
|
{ |
516 |
|
if (dbytes2 < twopass->minpsize) |
517 |
|
dbytes2 = twopass->minpsize; |
518 |
|
} |
519 |
|
|
520 |
|
total2 += dbytes2; |
521 |
} |
} |
522 |
|
|
523 |
++frames; |
++frames; |
530 |
int asymmetric_average_frame; |
int asymmetric_average_frame; |
531 |
char s[100]; |
char s[100]; |
532 |
|
|
533 |
asymmetric_average_frame = (int)(twopass->average_frame * twopass->curve_comp_scale); |
asymmetric_average_frame = (int)(twopass->average_pframe * twopass->curve_comp_scale); |
534 |
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); |
535 |
DEBUG2P(s); |
DEBUG2P(s); |
536 |
} |
} |
|
|
|
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
|
|
SetFilePointer(twopass->stats2, sizeof(DWORD), 0, FILE_BEGIN); |
|
537 |
} |
} |
538 |
else // DLG_MODE_2PASS_2_INT |
else // DLG_MODE_2PASS_2_INT |
539 |
{ |
{ |
540 |
while (1) |
while (1) |
541 |
{ |
{ |
542 |
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) |
|
543 |
{ |
{ |
544 |
|
twopass->nns_array_pos = 0; |
545 |
break; |
break; |
546 |
} |
} |
547 |
else |
|
548 |
{ |
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
549 |
CloseHandle(twopass->stats1); |
twopass->nns_array_pos++; |
550 |
twopass->stats1 = INVALID_HANDLE_VALUE; |
|
551 |
DEBUGERR("2pass init error - incomplete stats2 record?"); |
// skip unnecessary frames. |
552 |
return ICERR_ERROR; |
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || |
553 |
} |
twopass->nns1.dd_v & NNSTATS_PADFRAME || |
554 |
} |
twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
555 |
|
continue; |
556 |
|
|
557 |
if (codec_is_in_credits(&codec->config, frames) == CREDITS_START) |
if (codec_is_in_credits(&codec->config, frames) == CREDITS_START) |
558 |
{ |
{ |
567 |
else if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
else if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
568 |
{ |
{ |
569 |
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; |
570 |
total += twopass->nns1.bytes * codec->config.keyframe_boost / 100; |
twopass->keyframe_locations[i_frames] = frames; |
571 |
++i_frames; |
++i_frames; |
572 |
} |
} |
573 |
|
else |
574 |
|
{ |
575 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
576 |
|
{ |
577 |
|
bframe_total += twopass->nns1.bytes; |
578 |
|
bframes++; |
579 |
|
} |
580 |
|
else |
581 |
|
{ |
582 |
|
pframe_total += twopass->nns1.bytes; |
583 |
|
pframes++; |
584 |
|
} |
585 |
|
} |
586 |
|
|
587 |
total += twopass->nns1.bytes; |
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
588 |
|
{ |
589 |
|
// this test needs to be corrected.. |
590 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
591 |
|
recminisize = twopass->nns1.bytes; |
592 |
|
} |
593 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
594 |
|
{ |
595 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
596 |
|
recminbsize = twopass->nns1.bytes; |
597 |
|
} |
598 |
|
else |
599 |
|
{ |
600 |
|
if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
601 |
|
recminpsize = twopass->nns1.bytes; |
602 |
|
} |
603 |
|
|
604 |
++frames; |
++frames; |
605 |
} |
} |
606 |
|
twopass->keyframe_locations[i_frames] = frames; |
607 |
|
|
608 |
// compensate for avi frame overhead |
// compensate for avi frame overhead |
609 |
desired -= frames * 24; |
desired -= frames * 24; |
614 |
|
|
615 |
// credits curve = (total / desired_size) * (100 / credits_rate) |
// credits curve = (total / desired_size) * (100 / credits_rate) |
616 |
twopass->credits_start_curve = twopass->credits_end_curve = |
twopass->credits_start_curve = twopass->credits_end_curve = |
617 |
((double)total / desired) * ((double)100 / codec->config.credits_rate); |
((double)(bframe_total + pframe_total + i_total + start + end) / desired) * |
618 |
|
((double)100 / codec->config.credits_rate); |
619 |
|
|
620 |
start_curved = (__int64)(start / twopass->credits_start_curve); |
start_curved = (__int64)(start / twopass->credits_start_curve); |
621 |
end_curved = (__int64)(end / twopass->credits_end_curve); |
end_curved = (__int64)(end / twopass->credits_end_curve); |
622 |
|
|
623 |
// movie curve = (total - credits) / (desired_size - curved credits) |
// movie curve = (total - credits) / (desired_size - curved credits) |
624 |
twopass->movie_curve = (double) |
twopass->movie_curve = (double) |
625 |
(total - start - end) / |
(bframe_total + pframe_total + i_total) / |
626 |
(desired - start_curved - end_curved); |
(desired - start_curved - end_curved); |
627 |
|
|
628 |
break; |
break; |
631 |
|
|
632 |
// movie curve = (total - credits) / (desired_size - credits) |
// movie curve = (total - credits) / (desired_size - credits) |
633 |
twopass->movie_curve = (double) |
twopass->movie_curve = (double) |
634 |
(total - start - end) / (desired - start - end); |
(bframe_total + pframe_total + i_total) / (desired - start - end); |
635 |
|
|
636 |
// aid the average asymmetric frame calculation below |
// aid the average asymmetric frame calculation below |
637 |
start_curved = start; |
start_curved = start; |
654 |
|
|
655 |
// movie curve = (total - credits) / (desired_size - curved credits) |
// movie curve = (total - credits) / (desired_size - curved credits) |
656 |
twopass->movie_curve = (double) |
twopass->movie_curve = (double) |
657 |
(total - start - end) / |
(bframe_total + pframe_total + i_total) / |
658 |
(desired - start_curved - end_curved); |
(desired - start_curved - end_curved); |
659 |
|
|
660 |
break; |
break; |
661 |
} |
} |
662 |
|
|
663 |
// average frame size = (desired - curved credits - curved keyframes) / |
twopass->average_bframe = (double)bframe_total / bframes / twopass->movie_curve; |
664 |
// (frames - credits frames - keyframes) |
twopass->average_pframe = (double)pframe_total / pframes / twopass->movie_curve; |
665 |
twopass->average_frame = (double) |
|
|
(desired - start_curved - end_curved - (i_total / twopass->movie_curve)) / |
|
|
(frames - credits_frames - i_frames); |
|
666 |
|
|
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
|
667 |
|
|
668 |
// perform prepass to compensate for over/undersizing |
// perform prepass to compensate for over/undersizing |
669 |
frames = 0; |
frames = 0; |
670 |
|
|
671 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
672 |
{ |
{ |
673 |
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; |
674 |
twopass->alt_curve_low_diff = twopass->average_frame - twopass->alt_curve_low; |
twopass->alt_curve_low_diff = twopass->average_pframe - twopass->alt_curve_low; |
675 |
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; |
676 |
twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_frame; |
twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_pframe; |
677 |
if (codec->config.alt_curve_use_auto) |
if (codec->config.alt_curve_use_auto) |
678 |
{ |
{ |
679 |
if (twopass->movie_curve > 1.0) |
if (twopass->movie_curve > 1.0) |
693 |
{ |
{ |
694 |
case 2: // Sine Curve (high aggressiveness) |
case 2: // Sine Curve (high aggressiveness) |
695 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
696 |
sin(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff))); |
sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
697 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
698 |
sin(DEG2RAD * (twopass->average_frame * 90.0 / twopass->alt_curve_low_diff)); |
sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)); |
699 |
break; |
break; |
700 |
case 1: // Linear (medium aggressiveness) |
case 1: // Linear (medium aggressiveness) |
701 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
702 |
twopass->average_frame / twopass->alt_curve_low_diff); |
twopass->average_pframe / twopass->alt_curve_low_diff); |
703 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
704 |
twopass->average_frame / twopass->alt_curve_low_diff; |
twopass->average_pframe / twopass->alt_curve_low_diff; |
705 |
break; |
break; |
706 |
case 0: // Cosine Curve (low aggressiveness) |
case 0: // Cosine Curve (low aggressiveness) |
707 |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
twopass->alt_curve_qual_dev *= 2.0 / (1.0 + |
708 |
(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)))); |
709 |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
710 |
(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))); |
711 |
} |
} |
712 |
} |
} |
713 |
} |
} |
714 |
|
|
715 |
while (1) |
while (1) |
716 |
{ |
{ |
717 |
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) |
|
718 |
{ |
{ |
719 |
|
twopass->nns_array_pos = 0; |
720 |
break; |
break; |
721 |
} |
} |
722 |
else |
|
723 |
|
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
724 |
|
twopass->nns_array_pos++; |
725 |
|
|
726 |
|
if (frames == 0) |
727 |
{ |
{ |
728 |
CloseHandle(twopass->stats1); |
twopass->minbsize = (twopass->nns1.kblk + 88) / 8; |
729 |
twopass->stats1 = INVALID_HANDLE_VALUE; |
twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
730 |
DEBUGERR("2pass init error - incomplete stats2 record?"); |
twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; |
731 |
return ICERR_ERROR; |
if (recminbsize > twopass->minbsize) |
732 |
} |
twopass->minbsize = recminbsize; |
733 |
|
if (recminpsize > twopass->minpsize) |
734 |
|
twopass->minpsize = recminpsize; |
735 |
|
if (recminisize > twopass->minisize) |
736 |
|
twopass->minisize = recminisize; |
737 |
} |
} |
738 |
|
|
739 |
|
// skip unnecessary frames. |
740 |
|
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || |
741 |
|
twopass->nns1.dd_v & NNSTATS_PADFRAME || |
742 |
|
twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
743 |
|
continue; |
744 |
|
|
745 |
if (!codec_is_in_credits(&codec->config, frames) && |
if (!codec_is_in_credits(&codec->config, frames) && |
746 |
!(twopass->nns1.quant & NNSTATS_KEYFRAME)) |
!(twopass->nns1.quant & NNSTATS_KEYFRAME)) |
747 |
{ |
{ |
748 |
double dbytes = twopass->nns1.bytes / twopass->movie_curve; |
dbytes = twopass->nns1.bytes / twopass->movie_curve; |
749 |
total1 += dbytes; |
total1 += dbytes; |
750 |
|
|
751 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
752 |
|
dbytes *= twopass->average_pframe / twopass->average_bframe; |
753 |
|
|
754 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
755 |
{ |
{ |
756 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
757 |
{ |
{ |
758 |
if (dbytes >= twopass->alt_curve_high) |
if (dbytes >= twopass->alt_curve_high) |
759 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
760 |
else |
else |
761 |
{ |
{ |
762 |
switch(codec->config.alt_curve_type) |
switch(codec->config.alt_curve_type) |
763 |
{ |
{ |
764 |
case 2: |
case 2: |
765 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
766 |
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))); |
767 |
break; |
break; |
768 |
case 1: |
case 1: |
769 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
770 |
(dbytes - twopass->average_frame) / twopass->alt_curve_high_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
771 |
break; |
break; |
772 |
case 0: |
case 0: |
773 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
774 |
(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)))); |
775 |
} |
} |
776 |
} |
} |
777 |
} |
} |
778 |
else |
else |
779 |
{ |
{ |
780 |
if (dbytes <= twopass->alt_curve_low) |
if (dbytes <= twopass->alt_curve_low) |
781 |
total2 += dbytes; |
dbytes2 = dbytes; |
782 |
else |
else |
783 |
{ |
{ |
784 |
switch(codec->config.alt_curve_type) |
switch(codec->config.alt_curve_type) |
785 |
{ |
{ |
786 |
case 2: |
case 2: |
787 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
788 |
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))); |
789 |
break; |
break; |
790 |
case 1: |
case 1: |
791 |
total2 += dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
792 |
(dbytes - twopass->average_frame) / twopass->alt_curve_low_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
793 |
break; |
break; |
794 |
case 0: |
case 0: |
795 |
total2 += dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
796 |
(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)))); |
797 |
} |
} |
798 |
} |
} |
799 |
} |
} |
800 |
} |
} |
801 |
else |
else |
802 |
{ |
{ |
803 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
804 |
{ |
{ |
805 |
total2 += ((double)dbytes + (twopass->average_frame - dbytes) * |
dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
806 |
codec->config.curve_compression_high / 100.0); |
codec->config.curve_compression_high / 100.0); |
807 |
} |
} |
808 |
else |
else |
809 |
{ |
{ |
810 |
total2 += ((double)dbytes + (twopass->average_frame - dbytes) * |
dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
811 |
codec->config.curve_compression_low / 100.0); |
codec->config.curve_compression_low / 100.0); |
812 |
} |
} |
813 |
} |
} |
814 |
|
|
815 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
816 |
|
{ |
817 |
|
dbytes2 *= twopass->average_bframe / twopass->average_pframe; |
818 |
|
if (dbytes2 < twopass->minbsize) |
819 |
|
dbytes2 = twopass->minbsize; |
820 |
|
} |
821 |
|
else |
822 |
|
{ |
823 |
|
if (dbytes2 < twopass->minpsize) |
824 |
|
dbytes2 = twopass->minpsize; |
825 |
|
} |
826 |
|
|
827 |
|
total2 += dbytes2; |
828 |
} |
} |
829 |
|
|
830 |
++frames; |
++frames; |
837 |
int asymmetric_average_frame; |
int asymmetric_average_frame; |
838 |
char s[100]; |
char s[100]; |
839 |
|
|
840 |
asymmetric_average_frame = (int)(twopass->average_frame * twopass->curve_comp_scale); |
asymmetric_average_frame = (int)(twopass->average_pframe * twopass->curve_comp_scale); |
841 |
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); |
842 |
DEBUG2P(s); |
DEBUG2P(s); |
843 |
} |
} |
|
|
|
|
SetFilePointer(twopass->stats1, sizeof(DWORD), 0, FILE_BEGIN); |
|
844 |
} |
} |
845 |
|
|
846 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
859 |
int i, newquant, percent; |
int i, newquant, percent; |
860 |
int oldquant = 1; |
int oldquant = 1; |
861 |
|
|
862 |
wsprintf(s, "avg scaled framesize:%i", (int)(twopass->average_frame)); |
wsprintf(s, "avg scaled framesize:%i", (int)(twopass->average_pframe)); |
863 |
DEBUG2P(s); |
DEBUG2P(s); |
864 |
|
|
865 |
wsprintf(s, "bias bonus:%i bytes", (int)(twopass->curve_bias_bonus)); |
wsprintf(s, "bias bonus:%i bytes", (int)(twopass->curve_bias_bonus)); |
868 |
for (i=1; i <= (int)(twopass->alt_curve_high*2)+1; i++) |
for (i=1; i <= (int)(twopass->alt_curve_high*2)+1; i++) |
869 |
{ |
{ |
870 |
dbytes = i; |
dbytes = i; |
871 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
872 |
{ |
{ |
873 |
if (dbytes >= twopass->alt_curve_high) |
if (dbytes >= twopass->alt_curve_high) |
874 |
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); |
878 |
{ |
{ |
879 |
case 2: |
case 2: |
880 |
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 * |
881 |
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))); |
882 |
break; |
break; |
883 |
case 1: |
case 1: |
884 |
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 * |
885 |
(dbytes - twopass->average_frame) / twopass->alt_curve_high_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
886 |
break; |
break; |
887 |
case 0: |
case 0: |
888 |
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 * |
889 |
(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)))); |
890 |
} |
} |
891 |
} |
} |
892 |
} |
} |
900 |
{ |
{ |
901 |
case 2: |
case 2: |
902 |
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 * |
903 |
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))); |
904 |
break; |
break; |
905 |
case 1: |
case 1: |
906 |
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 * |
907 |
(dbytes - twopass->average_frame) / twopass->alt_curve_low_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
908 |
break; |
break; |
909 |
case 0: |
case 0: |
910 |
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 * |
911 |
(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)))); |
912 |
} |
} |
913 |
} |
} |
914 |
} |
} |
922 |
if (newquant != oldquant) |
if (newquant != oldquant) |
923 |
{ |
{ |
924 |
oldquant = newquant; |
oldquant = newquant; |
925 |
percent = (int)((i - twopass->average_frame) * 100.0 / twopass->average_frame); |
percent = (int)((i - twopass->average_pframe) * 100.0 / twopass->average_pframe); |
926 |
wsprintf(s, "quant:%i threshold at %i : %i percent", newquant, i, percent); |
wsprintf(s, "quant:%i threshold at %i : %i percent", newquant, i, percent); |
927 |
DEBUG2P(s); |
DEBUG2P(s); |
928 |
} |
} |
932 |
} |
} |
933 |
|
|
934 |
twopass->overflow = 0; |
twopass->overflow = 0; |
935 |
|
twopass->KFoverflow = 0; |
936 |
|
twopass->KFoverflow_partial = 0; |
937 |
|
twopass->KF_idx = 1; |
938 |
|
|
939 |
break; |
break; |
940 |
} |
} |
942 |
return ICERR_OK; |
return ICERR_OK; |
943 |
} |
} |
944 |
|
|
945 |
|
// NOTE: codec_2pass_get_quant() should be called for all the frames that are in the stats file(s) |
946 |
int codec_2pass_get_quant(CODEC* codec, XVID_ENC_FRAME* frame) |
int codec_2pass_get_quant(CODEC* codec, XVID_ENC_FRAME* frame) |
947 |
{ |
{ |
948 |
static double quant_error[32]; |
static double bquant_error[32]; |
949 |
|
static double pquant_error[32]; |
950 |
static double curve_comp_error; |
static double curve_comp_error; |
951 |
static int last_quant; |
static int last_bquant, last_pquant; |
952 |
|
|
953 |
TWOPASS * twopass = &codec->twopass; |
TWOPASS * twopass = &codec->twopass; |
954 |
|
|
955 |
DWORD read; |
// DWORD read; |
956 |
int bytes1, bytes2; |
int bytes1, bytes2; |
957 |
int overflow; |
int overflow; |
958 |
int credits_pos; |
int credits_pos; |
959 |
|
int capped_to_max_framesize = 0; |
960 |
|
int KFdistance, KF_min_size; |
961 |
|
|
962 |
if (codec->framenum == 0) |
if (codec->framenum == 0) |
963 |
{ |
{ |
965 |
|
|
966 |
for (i=0 ; i<32 ; ++i) |
for (i=0 ; i<32 ; ++i) |
967 |
{ |
{ |
968 |
quant_error[i] = 0.0; |
bquant_error[i] = 0.0; |
969 |
|
pquant_error[i] = 0.0; |
970 |
|
twopass->quant_count[i] = 0; |
971 |
} |
} |
972 |
|
|
973 |
curve_comp_error = 0.0; |
curve_comp_error = 0.0; |
974 |
last_quant = 0; |
last_bquant = 0; |
975 |
|
last_pquant = 0; |
976 |
} |
} |
977 |
|
|
978 |
if (ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, 0) == 0 || read != sizeof(NNSTATS)) |
if (twopass->nns_array_pos >= twopass->nns_array_length) |
979 |
{ |
{ |
980 |
DEBUGERR("2ndpass quant: couldn't read from stats1"); |
twopass->nns_array_pos = 0; |
981 |
|
DEBUGERR("ERROR: VIDEO EXCEEDS 1ST PASS!!!"); |
982 |
return ICERR_ERROR; |
return ICERR_ERROR; |
983 |
} |
} |
984 |
|
|
985 |
|
memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
986 |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
987 |
|
memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
988 |
|
twopass->nns_array_pos++; |
989 |
|
|
990 |
|
bytes1 = twopass->nns1.bytes; |
991 |
|
|
992 |
|
// skip unnecessary frames. |
993 |
|
if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME) |
994 |
{ |
{ |
995 |
if (ReadFile(twopass->stats2, &twopass->nns2, sizeof(NNSTATS), &read, 0) == 0 || read != sizeof(NNSTATS)) |
twopass->bytes1 = bytes1; |
996 |
|
twopass->bytes2 = bytes1; |
997 |
|
twopass->desired_bytes2 = bytes1; |
998 |
|
frame->intra = 3; |
999 |
|
return 2; |
1000 |
|
} |
1001 |
|
else if (twopass->nns1.dd_v & NNSTATS_PADFRAME) |
1002 |
{ |
{ |
1003 |
DEBUGERR("2ndpass quant: couldn't read from stats2"); |
twopass->bytes1 = bytes1; |
1004 |
return ICERR_ERROR; |
twopass->bytes2 = bytes1; |
1005 |
|
twopass->desired_bytes2 = bytes1; |
1006 |
|
frame->intra = 4; |
1007 |
|
return 2; |
1008 |
} |
} |
1009 |
|
else if (twopass->nns1.dd_v & NNSTATS_DELAYFRAME) |
1010 |
|
{ |
1011 |
|
twopass->bytes1 = bytes1; |
1012 |
|
twopass->bytes2 = bytes1; |
1013 |
|
twopass->desired_bytes2 = bytes1; |
1014 |
|
frame->intra = 5; |
1015 |
|
return 2; |
1016 |
} |
} |
1017 |
|
|
|
bytes1 = twopass->nns1.bytes; |
|
1018 |
overflow = twopass->overflow / 8; |
overflow = twopass->overflow / 8; |
1019 |
|
|
1020 |
// override codec i-frame choice (reenable in credits) |
// override codec i-frame choice (reenable in credits) |
1021 |
frame->intra = (twopass->nns1.quant & NNSTATS_KEYFRAME); |
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1022 |
|
frame->intra=1; |
1023 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1024 |
|
frame->intra=2; |
1025 |
|
else |
1026 |
|
frame->intra=0; |
1027 |
|
|
1028 |
if (frame->intra) |
if (frame->intra==1) |
1029 |
{ |
{ |
1030 |
overflow = 0; |
overflow = 0; |
1031 |
} |
} |
1073 |
} |
} |
1074 |
else // DLG_MODE_2PASS_2_EXT |
else // DLG_MODE_2PASS_2_EXT |
1075 |
{ |
{ |
1076 |
|
if (codec->config.credits_mode == CREDITS_MODE_QUANT) |
1077 |
|
{ |
1078 |
|
if (codec->config.credits_quant_i != codec->config.credits_quant_p) |
1079 |
|
{ |
1080 |
|
frame->quant = frame->intra == 1 ? |
1081 |
|
codec->config.credits_quant_i : |
1082 |
|
codec->config.credits_quant_p; |
1083 |
|
} |
1084 |
|
else |
1085 |
|
{ |
1086 |
|
frame->quant = codec->config.credits_quant_p; |
1087 |
|
frame->intra = -1; |
1088 |
|
} |
1089 |
|
|
1090 |
|
twopass->bytes1 = bytes1; |
1091 |
|
twopass->bytes2 = bytes1; |
1092 |
|
twopass->desired_bytes2 = bytes1; |
1093 |
|
return ICERR_OK; |
1094 |
|
} |
1095 |
|
else |
1096 |
bytes2 = twopass->nns2.bytes; |
bytes2 = twopass->nns2.bytes; |
1097 |
} |
} |
1098 |
} |
} |
1102 |
|
|
1103 |
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; |
1104 |
|
|
1105 |
if (frame->intra) |
if (frame->intra==1) |
1106 |
{ |
{ |
1107 |
dbytes = ((int)(bytes2 + bytes2 * codec->config.keyframe_boost / 100)) / |
dbytes = ((int)(bytes2 + bytes2 * codec->config.keyframe_boost / 100)) / |
1108 |
twopass->movie_curve; |
twopass->movie_curve; |
1112 |
dbytes = bytes2 / twopass->movie_curve; |
dbytes = bytes2 / twopass->movie_curve; |
1113 |
} |
} |
1114 |
|
|
1115 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1116 |
|
dbytes *= twopass->average_pframe / twopass->average_bframe; |
1117 |
|
|
1118 |
// spread the compression error across payback_delay frames |
// spread the compression error across payback_delay frames |
1119 |
if (codec->config.bitrate_payback_method == 0) |
if (codec->config.bitrate_payback_method == 0) |
1120 |
{ |
{ |
1123 |
else |
else |
1124 |
{ |
{ |
1125 |
bytes2 = (int)(curve_comp_error * dbytes / |
bytes2 = (int)(curve_comp_error * dbytes / |
1126 |
twopass->average_frame / codec->config.bitrate_payback_delay); |
twopass->average_pframe / codec->config.bitrate_payback_delay); |
1127 |
|
|
1128 |
if (labs(bytes2) > fabs(curve_comp_error)) |
if (labs(bytes2) > fabs(curve_comp_error)) |
1129 |
{ |
{ |
1135 |
|
|
1136 |
if (codec->config.use_alt_curve) |
if (codec->config.use_alt_curve) |
1137 |
{ |
{ |
1138 |
if (!frame->intra) |
if (!(frame->intra==1)) |
1139 |
{ |
{ |
1140 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
1141 |
{ |
{ |
1142 |
if (dbytes >= twopass->alt_curve_high) |
if (dbytes >= twopass->alt_curve_high) |
1143 |
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); |
1147 |
{ |
{ |
1148 |
case 2: |
case 2: |
1149 |
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 * |
1150 |
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))); |
1151 |
break; |
break; |
1152 |
case 1: |
case 1: |
1153 |
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 * |
1154 |
(dbytes - twopass->average_frame) / twopass->alt_curve_high_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
1155 |
break; |
break; |
1156 |
case 0: |
case 0: |
1157 |
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 * |
1158 |
(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)))); |
1159 |
} |
} |
1160 |
} |
} |
1161 |
} |
} |
1169 |
{ |
{ |
1170 |
case 2: |
case 2: |
1171 |
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 * |
1172 |
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))); |
1173 |
break; |
break; |
1174 |
case 1: |
case 1: |
1175 |
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 * |
1176 |
(dbytes - twopass->average_frame) / twopass->alt_curve_low_diff); |
(dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
1177 |
break; |
break; |
1178 |
case 0: |
case 0: |
1179 |
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 * |
1180 |
(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)))); |
1181 |
} |
} |
1182 |
} |
} |
1183 |
} |
} |
1184 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1185 |
|
curve_temp *= twopass->average_bframe / twopass->average_pframe; |
1186 |
|
|
1187 |
curve_temp = curve_temp * twopass->curve_comp_scale + twopass->curve_bias_bonus; |
curve_temp = curve_temp * twopass->curve_comp_scale + twopass->curve_bias_bonus; |
1188 |
|
|
1189 |
bytes2 += ((int)curve_temp); |
bytes2 += ((int)curve_temp); |
1191 |
} |
} |
1192 |
else |
else |
1193 |
{ |
{ |
1194 |
curve_comp_error += dbytes - ((int)dbytes); |
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1195 |
|
dbytes *= twopass->average_bframe / twopass->average_pframe; |
1196 |
|
|
1197 |
bytes2 += ((int)dbytes); |
bytes2 += ((int)dbytes); |
1198 |
|
curve_comp_error += dbytes - ((int)dbytes); |
1199 |
} |
} |
1200 |
} |
} |
1201 |
else if ((codec->config.curve_compression_high + codec->config.curve_compression_low) && |
else if ((codec->config.curve_compression_high + codec->config.curve_compression_low) && |
1202 |
!frame->intra) |
!(frame->intra==1)) |
1203 |
{ |
{ |
1204 |
if (dbytes > twopass->average_frame) |
if (dbytes > twopass->average_pframe) |
1205 |
{ |
{ |
1206 |
curve_temp = twopass->curve_comp_scale * |
curve_temp = twopass->curve_comp_scale * |
1207 |
((double)dbytes + (twopass->average_frame - dbytes) * |
((double)dbytes + (twopass->average_pframe - dbytes) * |
1208 |
codec->config.curve_compression_high / 100.0); |
codec->config.curve_compression_high / 100.0); |
1209 |
} |
} |
1210 |
else |
else |
1211 |
{ |
{ |
1212 |
curve_temp = twopass->curve_comp_scale * |
curve_temp = twopass->curve_comp_scale * |
1213 |
((double)dbytes + (twopass->average_frame - dbytes) * |
((double)dbytes + (twopass->average_pframe - dbytes) * |
1214 |
codec->config.curve_compression_low / 100.0); |
codec->config.curve_compression_low / 100.0); |
1215 |
} |
} |
1216 |
|
|
1217 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1218 |
|
curve_temp *= twopass->average_bframe / twopass->average_pframe; |
1219 |
|
|
1220 |
bytes2 += ((int)curve_temp); |
bytes2 += ((int)curve_temp); |
1221 |
curve_comp_error += curve_temp - ((int)curve_temp); |
curve_comp_error += curve_temp - ((int)curve_temp); |
1222 |
} |
} |
1223 |
else |
else |
1224 |
{ |
{ |
1225 |
curve_comp_error += dbytes - ((int)dbytes); |
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1226 |
|
dbytes *= twopass->average_bframe / twopass->average_pframe; |
1227 |
|
|
1228 |
bytes2 += ((int)dbytes); |
bytes2 += ((int)dbytes); |
1229 |
|
curve_comp_error += dbytes - ((int)dbytes); |
1230 |
} |
} |
1231 |
|
|
1232 |
// cap bytes2 to first pass size, lowers number of quant=1 frames |
// cap bytes2 to first pass size, lowers number of quant=1 frames |
1235 |
curve_comp_error += bytes2 - bytes1; |
curve_comp_error += bytes2 - bytes1; |
1236 |
bytes2 = bytes1; |
bytes2 = bytes1; |
1237 |
} |
} |
1238 |
else if (bytes2 < 1) |
else |
1239 |
{ |
{ |
1240 |
curve_comp_error += --bytes2; |
if (frame->intra==1) |
1241 |
bytes2 = 1; |
{ |
1242 |
|
if (bytes2 < twopass->minisize) |
1243 |
|
{ |
1244 |
|
curve_comp_error -= twopass->minisize - bytes2; |
1245 |
|
bytes2 = twopass->minisize; |
1246 |
|
} |
1247 |
|
} |
1248 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1249 |
|
{ |
1250 |
|
if (bytes2 < twopass->minbsize) |
1251 |
|
bytes2 = twopass->minbsize; |
1252 |
|
} |
1253 |
|
else |
1254 |
|
{ |
1255 |
|
if (bytes2 < twopass->minpsize) |
1256 |
|
bytes2 = twopass->minpsize; |
1257 |
|
} |
1258 |
} |
} |
1259 |
} |
} |
1260 |
|
|
1261 |
twopass->desired_bytes2 = bytes2; |
twopass->desired_bytes2 = bytes2; |
1262 |
|
|
1263 |
|
// if this keyframe is too close to the next, |
1264 |
|
// reduce it's byte allotment |
1265 |
|
if ((frame->intra==1) && !credits_pos) |
1266 |
|
{ |
1267 |
|
KFdistance = codec->twopass.keyframe_locations[codec->twopass.KF_idx] - |
1268 |
|
codec->twopass.keyframe_locations[codec->twopass.KF_idx - 1]; |
1269 |
|
|
1270 |
|
if (KFdistance < codec->config.kftreshold) |
1271 |
|
{ |
1272 |
|
KFdistance = KFdistance - codec->config.min_key_interval; |
1273 |
|
|
1274 |
|
if (KFdistance >= 0) |
1275 |
|
{ |
1276 |
|
KF_min_size = bytes2 * (100 - codec->config.kfreduction) / 100; |
1277 |
|
if (KF_min_size < 1) |
1278 |
|
KF_min_size = 1; |
1279 |
|
|
1280 |
|
bytes2 = KF_min_size + (bytes2 - KF_min_size) * KFdistance / |
1281 |
|
(codec->config.kftreshold - codec->config.min_key_interval); |
1282 |
|
|
1283 |
|
if (bytes2 < 1) |
1284 |
|
bytes2 = 1; |
1285 |
|
} |
1286 |
|
} |
1287 |
|
} |
1288 |
|
|
1289 |
// 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 |
1290 |
// too much/little bitrate |
// too much/little bitrate |
1291 |
overflow = (int)((double)overflow * bytes2 / twopass->average_frame); |
overflow = (int)((double)overflow * bytes2 / twopass->average_pframe); |
1292 |
|
|
1293 |
// Foxer: reign in overflow with huge frames |
// Foxer: reign in overflow with huge frames |
1294 |
if (labs(overflow) > labs(twopass->overflow)) |
if (labs(overflow) > labs(twopass->overflow)) |
1297 |
} |
} |
1298 |
|
|
1299 |
// Foxer: make sure overflow doesn't run away |
// Foxer: make sure overflow doesn't run away |
1300 |
if (overflow > bytes2 * 6 / 10) |
if (overflow > bytes2 * codec->config.twopass_max_overflow_improvement / 100) |
1301 |
{ |
{ |
1302 |
bytes2 += (overflow <= bytes2) ? bytes2 * 6 / 10 : overflow * 6 / 10; |
bytes2 += (overflow <= bytes2) ? bytes2 * codec->config.twopass_max_overflow_improvement / 100 : |
1303 |
|
overflow * codec->config.twopass_max_overflow_improvement / 100; |
1304 |
} |
} |
1305 |
else if (overflow < bytes2 * -6 / 10) |
else if (overflow < bytes2 * codec->config.twopass_max_overflow_degradation / -100) |
1306 |
{ |
{ |
1307 |
bytes2 += bytes2 * -6 / 10; |
bytes2 += bytes2 * codec->config.twopass_max_overflow_degradation / -100; |
1308 |
} |
} |
1309 |
else |
else |
1310 |
{ |
{ |
1311 |
bytes2 += overflow; |
bytes2 += overflow; |
1312 |
} |
} |
1313 |
|
|
1314 |
if (bytes2 < 1) |
if (bytes2 > twopass->max_framesize) |
1315 |
{ |
{ |
1316 |
bytes2 = 1; |
capped_to_max_framesize = 1; |
1317 |
|
bytes2 = twopass->max_framesize; |
1318 |
|
} |
1319 |
|
|
1320 |
|
// make sure to not scale below the minimum framesize |
1321 |
|
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1322 |
|
{ |
1323 |
|
if (bytes2 < twopass->minisize) |
1324 |
|
bytes2 = twopass->minisize; |
1325 |
|
} |
1326 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1327 |
|
{ |
1328 |
|
if (bytes2 < twopass->minbsize) |
1329 |
|
bytes2 = twopass->minbsize; |
1330 |
|
} |
1331 |
|
else |
1332 |
|
{ |
1333 |
|
if (bytes2 < twopass->minpsize) |
1334 |
|
bytes2 = twopass->minpsize; |
1335 |
} |
} |
1336 |
|
|
1337 |
twopass->bytes1 = bytes1; |
twopass->bytes1 = bytes1; |
1348 |
{ |
{ |
1349 |
frame->quant = 31; |
frame->quant = 31; |
1350 |
} |
} |
1351 |
else if (!frame->intra) |
else if (!(frame->intra==1)) |
1352 |
{ |
{ |
1353 |
// Foxer: aid desired quantizer precision by accumulating decision error |
// Foxer: aid desired quantizer precision by accumulating decision error |
1354 |
quant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * |
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1355 |
|
{ |
1356 |
|
bquant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * |
1357 |
bytes1) / bytes2) - frame->quant; |
bytes1) / bytes2) - frame->quant; |
1358 |
|
|
1359 |
if (quant_error[frame->quant] >= 1.0) |
if (bquant_error[frame->quant] >= 1.0) |
1360 |
{ |
{ |
1361 |
quant_error[frame->quant] -= 1.0; |
bquant_error[frame->quant] -= 1.0; |
1362 |
++frame->quant; |
++frame->quant; |
1363 |
} |
} |
1364 |
} |
} |
1365 |
|
else |
1366 |
|
{ |
1367 |
|
pquant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * |
1368 |
|
bytes1) / bytes2) - frame->quant; |
1369 |
|
|
1370 |
|
if (pquant_error[frame->quant] >= 1.0) |
1371 |
|
{ |
1372 |
|
pquant_error[frame->quant] -= 1.0; |
1373 |
|
++frame->quant; |
1374 |
|
} |
1375 |
|
} |
1376 |
|
} |
1377 |
|
|
1378 |
// we're done with credits |
// we're done with credits |
1379 |
if (codec_is_in_credits(&codec->config, codec->framenum)) |
if (codec_is_in_credits(&codec->config, codec->framenum)) |
1381 |
return ICERR_OK; |
return ICERR_OK; |
1382 |
} |
} |
1383 |
|
|
1384 |
if (frame->intra) |
if ((frame->intra==1)) |
1385 |
{ |
{ |
1386 |
if (frame->quant < codec->config.min_iquant) |
if (frame->quant < codec->config.min_iquant) |
1387 |
{ |
{ |
1406 |
} |
} |
1407 |
|
|
1408 |
// subsequent frame quants can only be +- 2 |
// subsequent frame quants can only be +- 2 |
1409 |
if (last_quant) |
if ((last_pquant || last_bquant) && capped_to_max_framesize == 0) |
1410 |
|
{ |
1411 |
|
if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1412 |
|
{ |
1413 |
|
// this bframe quantizer variation |
1414 |
|
// restriction needs to be redone. |
1415 |
|
if (frame->quant > last_bquant + 2) |
1416 |
|
{ |
1417 |
|
frame->quant = last_bquant + 2; |
1418 |
|
DEBUG2P("B-frame quantizer prevented from rising too steeply"); |
1419 |
|
} |
1420 |
|
if (frame->quant < last_bquant - 2) |
1421 |
|
{ |
1422 |
|
frame->quant = last_bquant - 2; |
1423 |
|
DEBUG2P("B-frame quantizer prevented from falling too steeply"); |
1424 |
|
} |
1425 |
|
} |
1426 |
|
else |
1427 |
{ |
{ |
1428 |
if (frame->quant > last_quant + 2) |
if (frame->quant > last_pquant + 2) |
1429 |
{ |
{ |
1430 |
frame->quant = last_quant + 2; |
frame->quant = last_pquant + 2; |
1431 |
DEBUG2P("P-frame quantizer prevented from rising too steeply"); |
DEBUG2P("P-frame quantizer prevented from rising too steeply"); |
1432 |
} |
} |
1433 |
if (frame->quant < last_quant - 2) |
if (frame->quant < last_pquant - 2) |
1434 |
{ |
{ |
1435 |
frame->quant = last_quant - 2; |
frame->quant = last_pquant - 2; |
1436 |
DEBUG2P("P-frame quantizer prevented from falling too steeply"); |
DEBUG2P("P-frame quantizer prevented from falling too steeply"); |
1437 |
} |
} |
1438 |
} |
} |
1439 |
} |
} |
1440 |
|
} |
1441 |
|
|
1442 |
last_quant = frame->quant; |
if (capped_to_max_framesize == 0) |
1443 |
|
{ |
1444 |
|
if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1445 |
|
{ |
1446 |
|
last_bquant = frame->quant; |
1447 |
|
last_pquant = frame->quant; |
1448 |
|
} |
1449 |
|
else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1450 |
|
last_bquant = frame->quant; |
1451 |
|
else |
1452 |
|
last_pquant = frame->quant; |
1453 |
|
} |
1454 |
|
|
1455 |
if (codec->config.quant_type == QUANT_MODE_MOD) |
if (codec->config.quant_type == QUANT_MODE_MOD) |
1456 |
{ |
{ |
1457 |
frame->general |= (frame->quant < 4) ? XVID_MPEGQUANT : XVID_H263QUANT; |
frame->general |= (frame->quant < 4) ? XVID_MPEGQUANT : XVID_H263QUANT; |
1458 |
frame->general &= (frame->quant < 4) ? ~XVID_H263QUANT : ~XVID_MPEGQUANT; |
frame->general &= (frame->quant < 4) ? ~XVID_H263QUANT : ~XVID_MPEGQUANT; |
1459 |
} |
} |
1460 |
|
/* |
1461 |
|
if (codec->config.quant_type == QUANT_MODE_MOD_NEW) |
1462 |
|
{ |
1463 |
|
frame->general |= (frame->quant < 4) ? XVID_H263QUANT : XVID_MPEGQUANT; |
1464 |
|
frame->general &= (frame->quant < 4) ? ~XVID_MPEGQUANT : ~XVID_H263QUANT; |
1465 |
|
} |
1466 |
|
*/ |
1467 |
return ICERR_OK; |
return ICERR_OK; |
1468 |
} |
} |
1469 |
|
|
1474 |
|
|
1475 |
NNSTATS nns1; |
NNSTATS nns1; |
1476 |
DWORD wrote; |
DWORD wrote; |
1477 |
|
int credits_pos, tempdiv; |
1478 |
char* quant_type; |
char* quant_type; |
1479 |
|
char* frame_type; |
1480 |
|
|
1481 |
if (codec->framenum == 0) |
if (codec->framenum == 0) |
1482 |
{ |
{ |
1498 |
nns1.md_u = nns1.md_y = 0; |
nns1.md_u = nns1.md_y = 0; |
1499 |
nns1.mk_u = nns1.mk_y = 0; |
nns1.mk_u = nns1.mk_y = 0; |
1500 |
|
|
1501 |
nns1.quant = stats->quant; |
// nns1.quant = stats->quant; |
1502 |
if (frame->intra) |
nns1.quant = 2; // ugly fix for lumi masking in 1st pass returning new quant |
1503 |
{ |
nns1.lum_noise[0] = nns1.lum_noise[1] = 1; |
1504 |
|
frame_type="inter"; |
1505 |
|
if (frame->intra==1) { |
1506 |
nns1.quant |= NNSTATS_KEYFRAME; |
nns1.quant |= NNSTATS_KEYFRAME; |
1507 |
|
frame_type="intra"; |
1508 |
|
} |
1509 |
|
else if (frame->intra==2) { |
1510 |
|
nns1.dd_v |= NNSTATS_BFRAME; |
1511 |
|
frame_type="bframe"; |
1512 |
|
} |
1513 |
|
else if (frame->intra==3) { |
1514 |
|
nns1.dd_v |= NNSTATS_SKIPFRAME; |
1515 |
|
frame_type="skiped"; |
1516 |
|
} |
1517 |
|
else if (frame->intra==4) { |
1518 |
|
nns1.dd_v |= NNSTATS_PADFRAME; |
1519 |
|
frame_type="padded"; |
1520 |
|
} |
1521 |
|
else if (frame->intra==5) { |
1522 |
|
nns1.dd_v |= NNSTATS_DELAYFRAME; |
1523 |
|
frame_type="delayed"; |
1524 |
} |
} |
1525 |
nns1.kblk = stats->kblks; |
nns1.kblk = stats->kblks; |
1526 |
nns1.mblk = stats->mblks; |
nns1.mblk = stats->mblks; |
1527 |
nns1.ublk = stats->ublks; |
nns1.ublk = stats->ublks; |
|
nns1.lum_noise[0] = nns1.lum_noise[1] = 1; |
|
1528 |
|
|
1529 |
total_size += frame->length; |
total_size += frame->length; |
1530 |
|
|
1531 |
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) |
1532 |
|
|
1533 |
|
|
1534 |
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)) |
1535 |
{ |
{ |
1540 |
|
|
1541 |
case DLG_MODE_2PASS_2_INT : |
case DLG_MODE_2PASS_2_INT : |
1542 |
case DLG_MODE_2PASS_2_EXT : |
case DLG_MODE_2PASS_2_EXT : |
1543 |
|
credits_pos = codec_is_in_credits(&codec->config, codec->framenum); |
1544 |
|
if (!(codec->twopass.nns1.dd_v & NNSTATS_SKIPFRAME) && |
1545 |
|
!(codec->twopass.nns1.dd_v & NNSTATS_PADFRAME) && |
1546 |
|
!(codec->twopass.nns1.dd_v & NNSTATS_DELAYFRAME)) |
1547 |
|
{ |
1548 |
|
if (!credits_pos) |
1549 |
|
{ |
1550 |
|
codec->twopass.quant_count[frame->quant]++; |
1551 |
|
if ((codec->twopass.nns1.quant & NNSTATS_KEYFRAME)) |
1552 |
|
{ |
1553 |
|
// calculate how much to distribute per frame in |
1554 |
|
// order to make up for this keyframe's overflow |
1555 |
|
|
1556 |
|
codec->twopass.overflow += codec->twopass.KFoverflow; |
1557 |
|
codec->twopass.KFoverflow = codec->twopass.desired_bytes2 - frame->length; |
1558 |
|
|
1559 |
|
tempdiv = (codec->twopass.keyframe_locations[codec->twopass.KF_idx] - |
1560 |
|
codec->twopass.keyframe_locations[codec->twopass.KF_idx - 1]); |
1561 |
|
|
1562 |
|
if (tempdiv > 1) |
1563 |
|
{ |
1564 |
|
// non-consecutive keyframes |
1565 |
|
codec->twopass.KFoverflow_partial = codec->twopass.KFoverflow / (tempdiv - 1); |
1566 |
|
} |
1567 |
|
else |
1568 |
|
{ |
1569 |
|
// consecutive keyframes |
1570 |
|
codec->twopass.overflow += codec->twopass.KFoverflow; |
1571 |
|
codec->twopass.KFoverflow = 0; |
1572 |
|
codec->twopass.KFoverflow_partial = 0; |
1573 |
|
} |
1574 |
|
codec->twopass.KF_idx++; |
1575 |
|
} |
1576 |
|
else |
1577 |
|
{ |
1578 |
|
// distribute part of the keyframe overflow |
1579 |
|
|
1580 |
|
codec->twopass.overflow += codec->twopass.desired_bytes2 - frame->length + |
1581 |
|
codec->twopass.KFoverflow_partial; |
1582 |
|
codec->twopass.KFoverflow -= codec->twopass.KFoverflow_partial; |
1583 |
|
} |
1584 |
|
} |
1585 |
|
else |
1586 |
|
{ |
1587 |
codec->twopass.overflow += codec->twopass.desired_bytes2 - frame->length; |
codec->twopass.overflow += codec->twopass.desired_bytes2 - frame->length; |
1588 |
DEBUG2ND(frame->quant, quant_type, frame->intra, codec->twopass.bytes1, codec->twopass.desired_bytes2, frame->length, codec->twopass.overflow, codec_is_in_credits(&codec->config, codec->framenum)) |
|
1589 |
|
// ugly fix for credits.. |
1590 |
|
codec->twopass.overflow += codec->twopass.KFoverflow; |
1591 |
|
codec->twopass.KFoverflow = 0; |
1592 |
|
codec->twopass.KFoverflow_partial = 0; |
1593 |
|
// end of ugly fix. |
1594 |
|
} |
1595 |
|
} |
1596 |
|
|
1597 |
|
frame_type="inter"; |
1598 |
|
if (frame->intra==1) { |
1599 |
|
frame_type="intra"; |
1600 |
|
} |
1601 |
|
else if (codec->twopass.nns1.dd_v & NNSTATS_BFRAME) { |
1602 |
|
frame_type="bframe"; |
1603 |
|
} |
1604 |
|
else if (codec->twopass.nns1.dd_v & NNSTATS_SKIPFRAME) { |
1605 |
|
frame_type="skipped"; |
1606 |
|
frame->quant = 2; |
1607 |
|
codec->twopass.bytes1 = 1; |
1608 |
|
codec->twopass.desired_bytes2 = 1; |
1609 |
|
frame->length = 1; |
1610 |
|
} |
1611 |
|
else if (codec->twopass.nns1.dd_v & NNSTATS_PADFRAME) { |
1612 |
|
frame_type="padded"; |
1613 |
|
frame->quant = 2; |
1614 |
|
codec->twopass.bytes1 = 7; |
1615 |
|
codec->twopass.desired_bytes2 = 7; |
1616 |
|
frame->length = 7; |
1617 |
|
} |
1618 |
|
else if (codec->twopass.nns1.dd_v & NNSTATS_DELAYFRAME) { |
1619 |
|
frame_type="delayed"; |
1620 |
|
frame->quant = 2; |
1621 |
|
codec->twopass.bytes1 = 1; |
1622 |
|
codec->twopass.desired_bytes2 = 1; |
1623 |
|
frame->length = 1; |
1624 |
|
} |
1625 |
|
|
1626 |
|
DEBUG2ND(frame->quant, quant_type, frame_type, codec->twopass.bytes1, codec->twopass.desired_bytes2, frame->length, codec->twopass.overflow, credits_pos) |
1627 |
break; |
break; |
1628 |
|
|
1629 |
default: |
default: |
1633 |
return ICERR_OK; |
return ICERR_OK; |
1634 |
} |
} |
1635 |
|
|
1636 |
|
void codec_2pass_finish(CODEC* codec) |
1637 |
|
{ |
1638 |
|
int i; |
1639 |
|
char s[100]; |
1640 |
|
|
1641 |
|
if (codec->twopass.nns1_array) |
1642 |
|
{ |
1643 |
|
free(codec->twopass.nns1_array); |
1644 |
|
codec->twopass.nns1_array = NULL; |
1645 |
|
} |
1646 |
|
if (codec->twopass.nns2_array) |
1647 |
|
{ |
1648 |
|
free(codec->twopass.nns2_array); |
1649 |
|
codec->twopass.nns2_array = NULL; |
1650 |
|
} |
1651 |
|
codec->twopass.nns_array_size = 0; |
1652 |
|
codec->twopass.nns_array_length = 0; |
1653 |
|
codec->twopass.nns_array_pos = 0; |
1654 |
|
|
1655 |
|
if (codec->config.mode == DLG_MODE_2PASS_2_EXT || codec->config.mode == DLG_MODE_2PASS_2_INT) |
1656 |
|
{ |
1657 |
|
// output the quantizer distribution for this encode. |
1658 |
|
|
1659 |
|
OutputDebugString("Quantizer distribution for 2nd pass:"); |
1660 |
|
for (i=1; i<=31; i++) |
1661 |
|
{ |
1662 |
|
if (codec->twopass.quant_count[i]) |
1663 |
|
{ |
1664 |
|
wsprintf(s, "Q:%i:%i", i, codec->twopass.quant_count[i]); |
1665 |
|
OutputDebugString(s); |
1666 |
|
} |
1667 |
|
} |
1668 |
|
return; |
1669 |
|
} |
1670 |
|
} |
1671 |
|
|