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1 : | h | 102 | /************************************************************************** |
2 : | * | ||
3 : | * XVID 2PASS CODE | ||
4 : | * codec | ||
5 : | * | ||
6 : | * This program is free software; you can redistribute it and/or modify | ||
7 : | * it under the terms of the GNU General Public License as published by | ||
8 : | * the Free Software Foundation; either version 2 of the License, or | ||
9 : | * (at your option) any later version. | ||
10 : | * | ||
11 : | * This program is distributed in the hope that it will be useful, | ||
12 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 : | * GNU General Public License for more details. | ||
15 : | * | ||
16 : | * You should have received a copy of the GNU General Public License | ||
17 : | * along with this program; if not, write to the Free Software | ||
18 : | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
19 : | * | ||
20 : | *************************************************************************/ | ||
21 : | |||
22 : | /************************************************************************** | ||
23 : | * | ||
24 : | * History: | ||
25 : | * | ||
26 : | h | 127 | * 17.04.2002 changed 1st pass quant to always be 2 (2pass_update()) |
27 : | h | 109 | * 07.04.2002 added max bitrate constraint, overflow controls (foxer) |
28 : | h | 102 | * 31.03.2002 inital version; |
29 : | * | ||
30 : | *************************************************************************/ | ||
31 : | |||
32 : | #include <windows.h> | ||
33 : | #include <math.h> | ||
34 : | |||
35 : | #include "2pass.h" | ||
36 : | |||
37 : | |||
38 : | int codec_2pass_init(CODEC* codec) | ||
39 : | { | ||
40 : | TWOPASS *twopass = &codec->twopass; | ||
41 : | DWORD version = -20; | ||
42 : | DWORD read, wrote; | ||
43 : | |||
44 : | suxen_drol | 660 | int frames = 0, bframes = 0, pframes = 0, credits_frames = 0, i_frames = 0, recminbsize = 0, recminpsize = 0, recminisize = 0; |
45 : | __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 : | h | 102 | __int64 desired = (__int64)codec->config.desired_size * 1024; |
47 : | |||
48 : | double total1 = 0.0; | ||
49 : | double total2 = 0.0; | ||
50 : | h | 528 | double dbytes, dbytes2; |
51 : | h | 102 | |
52 : | suxen_drol | 714 | /* ensure free() is called safely */ |
53 : | codec->twopass.hintstream = NULL; | ||
54 : | twopass->nns1_array = NULL; | ||
55 : | twopass->nns2_array = NULL; | ||
56 : | |||
57 : | h | 102 | if (codec->config.hinted_me) |
58 : | { | ||
59 : | codec->twopass.hintstream = malloc(100000); | ||
60 : | |||
61 : | if (codec->twopass.hintstream == NULL) | ||
62 : | { | ||
63 : | DEBUGERR("couldn't allocate memory for mv hints"); | ||
64 : | return ICERR_ERROR; | ||
65 : | } | ||
66 : | } | ||
67 : | |||
68 : | switch (codec->config.mode) | ||
69 : | { | ||
70 : | case DLG_MODE_2PASS_1 : | ||
71 : | twopass->stats1 = CreateFile(codec->config.stats1, GENERIC_WRITE, FILE_SHARE_READ, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); | ||
72 : | if (twopass->stats1 == INVALID_HANDLE_VALUE) | ||
73 : | { | ||
74 : | DEBUGERR("2pass init error - couldn't create stats1"); | ||
75 : | return ICERR_ERROR; | ||
76 : | } | ||
77 : | if (WriteFile(twopass->stats1, &version, sizeof(DWORD), &wrote, 0) == 0 || wrote != sizeof(DWORD)) | ||
78 : | { | ||
79 : | CloseHandle(twopass->stats1); | ||
80 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
81 : | DEBUGERR("2pass init error - couldn't write to stats1"); | ||
82 : | return ICERR_ERROR; | ||
83 : | } | ||
84 : | break; | ||
85 : | |||
86 : | case DLG_MODE_2PASS_2_INT : | ||
87 : | case DLG_MODE_2PASS_2_EXT : | ||
88 : | twopass->stats1 = CreateFile(codec->config.stats1, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); | ||
89 : | if (twopass->stats1 == INVALID_HANDLE_VALUE) | ||
90 : | { | ||
91 : | DEBUGERR("2pass init error - couldn't open stats1"); | ||
92 : | return ICERR_ERROR; | ||
93 : | } | ||
94 : | if (ReadFile(twopass->stats1, &version, sizeof(DWORD), &read, 0) == 0 || read != sizeof(DWORD)) | ||
95 : | { | ||
96 : | CloseHandle(twopass->stats1); | ||
97 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
98 : | DEBUGERR("2pass init error - couldn't read from stats1"); | ||
99 : | return ICERR_ERROR; | ||
100 : | } | ||
101 : | if (version != -20) | ||
102 : | { | ||
103 : | CloseHandle(twopass->stats1); | ||
104 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
105 : | DEBUGERR("2pass init error - wrong .stats version"); | ||
106 : | return ICERR_ERROR; | ||
107 : | } | ||
108 : | |||
109 : | suxen_drol | 660 | 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 : | h | 102 | if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
118 : | { | ||
119 : | if (twopass->stats2 != INVALID_HANDLE_VALUE) | ||
120 : | { | ||
121 : | CloseHandle(twopass->stats2); | ||
122 : | } | ||
123 : | |||
124 : | twopass->stats2 = CreateFile(codec->config.stats2, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); | ||
125 : | |||
126 : | if (twopass->stats2 == INVALID_HANDLE_VALUE) | ||
127 : | { | ||
128 : | CloseHandle(twopass->stats1); | ||
129 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
130 : | DEBUGERR("2pass init error - couldn't open stats2"); | ||
131 : | return ICERR_ERROR; | ||
132 : | } | ||
133 : | if (ReadFile(twopass->stats2, &version, sizeof(DWORD), &read, 0) == 0 || read != sizeof(DWORD)) | ||
134 : | { | ||
135 : | CloseHandle(twopass->stats1); | ||
136 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
137 : | CloseHandle(twopass->stats2); | ||
138 : | twopass->stats2 = INVALID_HANDLE_VALUE; | ||
139 : | DEBUGERR("2pass init error - couldn't read from stats2"); | ||
140 : | return ICERR_ERROR; | ||
141 : | } | ||
142 : | if (version != -20) | ||
143 : | { | ||
144 : | CloseHandle(twopass->stats1); | ||
145 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
146 : | CloseHandle(twopass->stats2); | ||
147 : | twopass->stats2 = INVALID_HANDLE_VALUE; | ||
148 : | DEBUGERR("2pass init error - wrong .stats version"); | ||
149 : | return ICERR_ERROR; | ||
150 : | } | ||
151 : | |||
152 : | while (1) | ||
153 : | { | ||
154 : | if (!ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS) || | ||
155 : | !ReadFile(twopass->stats2, &twopass->nns2, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS)) | ||
156 : | { | ||
157 : | DWORD err = GetLastError(); | ||
158 : | |||
159 : | if (err == ERROR_HANDLE_EOF || err == ERROR_SUCCESS) | ||
160 : | { | ||
161 : | break; | ||
162 : | } | ||
163 : | else | ||
164 : | { | ||
165 : | CloseHandle(twopass->stats1); | ||
166 : | CloseHandle(twopass->stats2); | ||
167 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
168 : | twopass->stats2 = INVALID_HANDLE_VALUE; | ||
169 : | DEBUGERR("2pass init error - incomplete stats1/stats2 record?"); | ||
170 : | return ICERR_ERROR; | ||
171 : | } | ||
172 : | } | ||
173 : | |||
174 : | suxen_drol | 660 | // 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 : | h | 102 | if (!codec_is_in_credits(&codec->config, frames)) |
295 : | { | ||
296 : | if (twopass->nns1.quant & NNSTATS_KEYFRAME) | ||
297 : | { | ||
298 : | suxen_drol | 660 | i_total += twopass->nns2.bytes; |
299 : | h | 528 | i_boost_total += twopass->nns2.bytes * codec->config.keyframe_boost / 100; |
300 : | Foxer | 342 | twopass->keyframe_locations[i_frames] = frames; |
301 : | h | 102 | ++i_frames; |
302 : | } | ||
303 : | suxen_drol | 660 | else |
304 : | { | ||
305 : | 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 : | h | 102 | } |
319 : | else | ||
320 : | ++credits_frames; | ||
321 : | |||
322 : | h | 552 | if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
323 : | { | ||
324 : | suxen_drol | 660 | // this test needs to be corrected.. |
325 : | h | 552 | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
326 : | recminisize = twopass->nns1.bytes; | ||
327 : | } | ||
328 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
329 : | { | ||
330 : | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) | ||
331 : | recminbsize = twopass->nns1.bytes; | ||
332 : | } | ||
333 : | h | 552 | else |
334 : | { | ||
335 : | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) | ||
336 : | recminpsize = twopass->nns1.bytes; | ||
337 : | } | ||
338 : | |||
339 : | h | 102 | ++frames; |
340 : | } | ||
341 : | Foxer | 342 | twopass->keyframe_locations[i_frames] = frames; |
342 : | h | 102 | |
343 : | suxen_drol | 660 | twopass->movie_curve = ((double)(bframe_total_ext + pframe_total_ext + i_boost_total) / |
344 : | (bframe_total_ext + pframe_total_ext)); | ||
345 : | h | 102 | |
346 : | suxen_drol | 679 | if (bframes) |
347 : | twopass->average_bframe = (double)bframe_total_ext / bframes / twopass->movie_curve; | ||
348 : | h | 102 | |
349 : | suxen_drol | 679 | 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 : | suxen_drol | 660 | |
360 : | suxen_drol | 679 | |
361 : | |||
362 : | h | 102 | // perform prepass to compensate for over/undersizing |
363 : | frames = 0; | ||
364 : | |||
365 : | if (codec->config.use_alt_curve) | ||
366 : | { | ||
367 : | suxen_drol | 660 | 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_pframe - twopass->alt_curve_low; | ||
369 : | 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_pframe; | ||
371 : | h | 102 | if (codec->config.alt_curve_use_auto) |
372 : | { | ||
373 : | suxen_drol | 660 | if (bframe_total + pframe_total > bframe_total_ext + pframe_total_ext) |
374 : | h | 102 | { |
375 : | suxen_drol | 660 | 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 : | h | 102 | if (codec->config.alt_curve_min_rel_qual < 20) |
380 : | codec->config.alt_curve_min_rel_qual = 20; | ||
381 : | } | ||
382 : | else | ||
383 : | codec->config.alt_curve_min_rel_qual = 100; | ||
384 : | } | ||
385 : | twopass->alt_curve_mid_qual = (1.0 + (double)codec->config.alt_curve_min_rel_qual / 100.0) / 2.0; | ||
386 : | twopass->alt_curve_qual_dev = 1.0 - twopass->alt_curve_mid_qual; | ||
387 : | if (codec->config.alt_curve_low_dist > 100) | ||
388 : | { | ||
389 : | switch(codec->config.alt_curve_type) | ||
390 : | { | ||
391 : | case 2: // Sine Curve (high aggressiveness) | ||
392 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
393 : | suxen_drol | 660 | sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
394 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
395 : | suxen_drol | 660 | sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)); |
396 : | h | 102 | break; |
397 : | case 1: // Linear (medium aggressiveness) | ||
398 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
399 : | suxen_drol | 660 | twopass->average_pframe / twopass->alt_curve_low_diff); |
400 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
401 : | suxen_drol | 660 | twopass->average_pframe / twopass->alt_curve_low_diff; |
402 : | h | 102 | break; |
403 : | case 0: // Cosine Curve (low aggressiveness) | ||
404 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
405 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)))); |
406 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
407 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
408 : | h | 102 | } |
409 : | } | ||
410 : | } | ||
411 : | |||
412 : | while (1) | ||
413 : | { | ||
414 : | suxen_drol | 660 | if (twopass->nns_array_pos >= twopass->nns_array_length) |
415 : | h | 102 | { |
416 : | suxen_drol | 660 | twopass->nns_array_pos = 0; |
417 : | break; | ||
418 : | h | 102 | } |
419 : | |||
420 : | suxen_drol | 660 | memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
421 : | memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); | ||
422 : | twopass->nns_array_pos++; | ||
423 : | |||
424 : | h | 528 | if (frames == 0) |
425 : | { | ||
426 : | suxen_drol | 660 | twopass->minbsize = (twopass->nns1.kblk + 88) / 8; |
427 : | h | 528 | twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
428 : | twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; | ||
429 : | suxen_drol | 660 | if (recminbsize > twopass->minbsize) |
430 : | twopass->minbsize = recminbsize; | ||
431 : | h | 552 | if (recminpsize > twopass->minpsize) |
432 : | twopass->minpsize = recminpsize; | ||
433 : | if (recminisize > twopass->minisize) | ||
434 : | twopass->minisize = recminisize; | ||
435 : | h | 528 | } |
436 : | |||
437 : | suxen_drol | 660 | // 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 : | h | 102 | if (!codec_is_in_credits(&codec->config, frames) && |
444 : | !(twopass->nns1.quant & NNSTATS_KEYFRAME)) | ||
445 : | { | ||
446 : | h | 528 | dbytes = twopass->nns2.bytes / twopass->movie_curve; |
447 : | h | 102 | total1 += dbytes; |
448 : | |||
449 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
450 : | dbytes *= twopass->average_pframe / twopass->average_bframe; | ||
451 : | |||
452 : | h | 102 | if (codec->config.use_alt_curve) |
453 : | { | ||
454 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
455 : | h | 102 | { |
456 : | if (dbytes >= twopass->alt_curve_high) | ||
457 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
458 : | h | 102 | else |
459 : | { | ||
460 : | switch(codec->config.alt_curve_type) | ||
461 : | { | ||
462 : | case 2: | ||
463 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
464 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
465 : | h | 102 | break; |
466 : | case 1: | ||
467 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
468 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
469 : | h | 102 | break; |
470 : | case 0: | ||
471 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
472 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
473 : | h | 102 | } |
474 : | } | ||
475 : | } | ||
476 : | else | ||
477 : | { | ||
478 : | if (dbytes <= twopass->alt_curve_low) | ||
479 : | h | 528 | dbytes2 = dbytes; |
480 : | h | 102 | else |
481 : | { | ||
482 : | switch(codec->config.alt_curve_type) | ||
483 : | { | ||
484 : | case 2: | ||
485 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
486 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
487 : | h | 102 | break; |
488 : | case 1: | ||
489 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
490 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
491 : | h | 102 | break; |
492 : | case 0: | ||
493 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
494 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
495 : | h | 102 | } |
496 : | } | ||
497 : | } | ||
498 : | } | ||
499 : | else | ||
500 : | { | ||
501 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
502 : | h | 102 | { |
503 : | suxen_drol | 660 | dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
504 : | h | 102 | codec->config.curve_compression_high / 100.0); |
505 : | } | ||
506 : | else | ||
507 : | { | ||
508 : | suxen_drol | 660 | dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
509 : | h | 102 | codec->config.curve_compression_low / 100.0); |
510 : | } | ||
511 : | } | ||
512 : | h | 528 | |
513 : | suxen_drol | 660 | 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) | ||
522 : | dbytes2 = twopass->minpsize; | ||
523 : | } | ||
524 : | h | 528 | |
525 : | total2 += dbytes2; | ||
526 : | h | 102 | } |
527 : | |||
528 : | ++frames; | ||
529 : | } | ||
530 : | |||
531 : | twopass->curve_comp_scale = total1 / total2; | ||
532 : | |||
533 : | if (!codec->config.use_alt_curve) | ||
534 : | { | ||
535 : | int asymmetric_average_frame; | ||
536 : | char s[100]; | ||
537 : | |||
538 : | suxen_drol | 660 | asymmetric_average_frame = (int)(twopass->average_pframe * twopass->curve_comp_scale); |
539 : | h | 102 | wsprintf(s, "middle frame size for asymmetric curve compression: %i", asymmetric_average_frame); |
540 : | DEBUG2P(s); | ||
541 : | } | ||
542 : | } | ||
543 : | else // DLG_MODE_2PASS_2_INT | ||
544 : | { | ||
545 : | while (1) | ||
546 : | { | ||
547 : | suxen_drol | 660 | if (twopass->nns_array_pos >= twopass->nns_array_length) |
548 : | h | 102 | { |
549 : | suxen_drol | 660 | twopass->nns_array_pos = 0; |
550 : | break; | ||
551 : | h | 102 | } |
552 : | |||
553 : | suxen_drol | 660 | memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
554 : | twopass->nns_array_pos++; | ||
555 : | |||
556 : | // skip unnecessary frames. | ||
557 : | 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 : | h | 102 | if (codec_is_in_credits(&codec->config, frames) == CREDITS_START) |
563 : | { | ||
564 : | start += twopass->nns1.bytes; | ||
565 : | ++credits_frames; | ||
566 : | } | ||
567 : | else if (codec_is_in_credits(&codec->config, frames) == CREDITS_END) | ||
568 : | { | ||
569 : | end += twopass->nns1.bytes; | ||
570 : | ++credits_frames; | ||
571 : | } | ||
572 : | else if (twopass->nns1.quant & NNSTATS_KEYFRAME) | ||
573 : | { | ||
574 : | i_total += twopass->nns1.bytes + twopass->nns1.bytes * codec->config.keyframe_boost / 100; | ||
575 : | Foxer | 342 | twopass->keyframe_locations[i_frames] = frames; |
576 : | h | 102 | ++i_frames; |
577 : | } | ||
578 : | suxen_drol | 660 | 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 : | h | 102 | |
592 : | h | 552 | if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
593 : | { | ||
594 : | suxen_drol | 660 | // this test needs to be corrected.. |
595 : | h | 552 | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
596 : | recminisize = twopass->nns1.bytes; | ||
597 : | } | ||
598 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
599 : | { | ||
600 : | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) | ||
601 : | recminbsize = twopass->nns1.bytes; | ||
602 : | } | ||
603 : | h | 552 | else |
604 : | { | ||
605 : | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) | ||
606 : | recminpsize = twopass->nns1.bytes; | ||
607 : | } | ||
608 : | |||
609 : | h | 102 | ++frames; |
610 : | } | ||
611 : | Foxer | 342 | twopass->keyframe_locations[i_frames] = frames; |
612 : | h | 102 | |
613 : | // compensate for avi frame overhead | ||
614 : | desired -= frames * 24; | ||
615 : | |||
616 : | switch (codec->config.credits_mode) | ||
617 : | { | ||
618 : | case CREDITS_MODE_RATE : | ||
619 : | |||
620 : | // credits curve = (total / desired_size) * (100 / credits_rate) | ||
621 : | twopass->credits_start_curve = twopass->credits_end_curve = | ||
622 : | suxen_drol | 660 | ((double)(bframe_total + pframe_total + i_total + start + end) / desired) * |
623 : | ((double)100 / codec->config.credits_rate); | ||
624 : | h | 102 | |
625 : | start_curved = (__int64)(start / twopass->credits_start_curve); | ||
626 : | end_curved = (__int64)(end / twopass->credits_end_curve); | ||
627 : | |||
628 : | // movie curve = (total - credits) / (desired_size - curved credits) | ||
629 : | twopass->movie_curve = (double) | ||
630 : | suxen_drol | 660 | (bframe_total + pframe_total + i_total) / |
631 : | h | 102 | (desired - start_curved - end_curved); |
632 : | |||
633 : | break; | ||
634 : | |||
635 : | case CREDITS_MODE_QUANT : | ||
636 : | |||
637 : | // movie curve = (total - credits) / (desired_size - credits) | ||
638 : | twopass->movie_curve = (double) | ||
639 : | suxen_drol | 660 | (bframe_total + pframe_total + i_total) / (desired - start - end); |
640 : | h | 102 | |
641 : | // aid the average asymmetric frame calculation below | ||
642 : | start_curved = start; | ||
643 : | end_curved = end; | ||
644 : | |||
645 : | break; | ||
646 : | |||
647 : | case CREDITS_MODE_SIZE : | ||
648 : | |||
649 : | // start curve = (start / start desired size) | ||
650 : | twopass->credits_start_curve = (double) | ||
651 : | (start / 1024) / codec->config.credits_start_size; | ||
652 : | |||
653 : | // end curve = (end / end desired size) | ||
654 : | twopass->credits_end_curve = (double) | ||
655 : | (end / 1024) / codec->config.credits_end_size; | ||
656 : | |||
657 : | start_curved = (__int64)(start / twopass->credits_start_curve); | ||
658 : | end_curved = (__int64)(end / twopass->credits_end_curve); | ||
659 : | |||
660 : | // movie curve = (total - credits) / (desired_size - curved credits) | ||
661 : | twopass->movie_curve = (double) | ||
662 : | suxen_drol | 660 | (bframe_total + pframe_total + i_total) / |
663 : | h | 102 | (desired - start_curved - end_curved); |
664 : | |||
665 : | break; | ||
666 : | } | ||
667 : | |||
668 : | suxen_drol | 687 | if (bframes) |
669 : | twopass->average_bframe = (double)bframe_total / bframes / twopass->movie_curve; | ||
670 : | h | 102 | |
671 : | suxen_drol | 687 | if (pframes) |
672 : | 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 : | h | 102 | |
682 : | suxen_drol | 660 | |
683 : | suxen_drol | 687 | |
684 : | h | 102 | // perform prepass to compensate for over/undersizing |
685 : | frames = 0; | ||
686 : | |||
687 : | if (codec->config.use_alt_curve) | ||
688 : | { | ||
689 : | suxen_drol | 660 | 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_pframe - twopass->alt_curve_low; | ||
691 : | 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_pframe; | ||
693 : | h | 102 | if (codec->config.alt_curve_use_auto) |
694 : | { | ||
695 : | if (twopass->movie_curve > 1.0) | ||
696 : | { | ||
697 : | codec->config.alt_curve_min_rel_qual = (int)(100.0 - (100.0 - 100.0 / twopass->movie_curve) * (double)codec->config.alt_curve_auto_str / 100.0); | ||
698 : | if (codec->config.alt_curve_min_rel_qual < 20) | ||
699 : | codec->config.alt_curve_min_rel_qual = 20; | ||
700 : | } | ||
701 : | else | ||
702 : | codec->config.alt_curve_min_rel_qual = 100; | ||
703 : | } | ||
704 : | twopass->alt_curve_mid_qual = (1.0 + (double)codec->config.alt_curve_min_rel_qual / 100.0) / 2.0; | ||
705 : | twopass->alt_curve_qual_dev = 1.0 - twopass->alt_curve_mid_qual; | ||
706 : | if (codec->config.alt_curve_low_dist > 100) | ||
707 : | { | ||
708 : | switch(codec->config.alt_curve_type) | ||
709 : | { | ||
710 : | case 2: // Sine Curve (high aggressiveness) | ||
711 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
712 : | suxen_drol | 660 | sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
713 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
714 : | suxen_drol | 660 | sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)); |
715 : | h | 102 | break; |
716 : | case 1: // Linear (medium aggressiveness) | ||
717 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
718 : | suxen_drol | 660 | twopass->average_pframe / twopass->alt_curve_low_diff); |
719 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
720 : | suxen_drol | 660 | twopass->average_pframe / twopass->alt_curve_low_diff; |
721 : | h | 102 | break; |
722 : | case 0: // Cosine Curve (low aggressiveness) | ||
723 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
724 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)))); |
725 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
726 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
727 : | h | 102 | } |
728 : | } | ||
729 : | } | ||
730 : | |||
731 : | while (1) | ||
732 : | { | ||
733 : | suxen_drol | 660 | if (twopass->nns_array_pos >= twopass->nns_array_length) |
734 : | h | 102 | { |
735 : | suxen_drol | 660 | twopass->nns_array_pos = 0; |
736 : | break; | ||
737 : | h | 102 | } |
738 : | |||
739 : | suxen_drol | 660 | memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
740 : | twopass->nns_array_pos++; | ||
741 : | |||
742 : | h | 528 | if (frames == 0) |
743 : | { | ||
744 : | suxen_drol | 660 | twopass->minbsize = (twopass->nns1.kblk + 88) / 8; |
745 : | h | 528 | twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
746 : | twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; | ||
747 : | suxen_drol | 660 | if (recminbsize > twopass->minbsize) |
748 : | twopass->minbsize = recminbsize; | ||
749 : | h | 552 | if (recminpsize > twopass->minpsize) |
750 : | twopass->minpsize = recminpsize; | ||
751 : | if (recminisize > twopass->minisize) | ||
752 : | twopass->minisize = recminisize; | ||
753 : | h | 528 | } |
754 : | |||
755 : | suxen_drol | 660 | // 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 : | h | 102 | if (!codec_is_in_credits(&codec->config, frames) && |
762 : | !(twopass->nns1.quant & NNSTATS_KEYFRAME)) | ||
763 : | { | ||
764 : | h | 528 | dbytes = twopass->nns1.bytes / twopass->movie_curve; |
765 : | h | 102 | total1 += dbytes; |
766 : | |||
767 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
768 : | dbytes *= twopass->average_pframe / twopass->average_bframe; | ||
769 : | |||
770 : | h | 102 | if (codec->config.use_alt_curve) |
771 : | { | ||
772 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
773 : | h | 102 | { |
774 : | if (dbytes >= twopass->alt_curve_high) | ||
775 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
776 : | h | 102 | else |
777 : | { | ||
778 : | switch(codec->config.alt_curve_type) | ||
779 : | { | ||
780 : | case 2: | ||
781 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
782 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
783 : | h | 102 | break; |
784 : | case 1: | ||
785 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
786 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
787 : | h | 102 | break; |
788 : | case 0: | ||
789 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
790 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
791 : | h | 102 | } |
792 : | } | ||
793 : | } | ||
794 : | else | ||
795 : | { | ||
796 : | if (dbytes <= twopass->alt_curve_low) | ||
797 : | h | 528 | dbytes2 = dbytes; |
798 : | h | 102 | else |
799 : | { | ||
800 : | switch(codec->config.alt_curve_type) | ||
801 : | { | ||
802 : | case 2: | ||
803 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
804 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
805 : | h | 102 | break; |
806 : | case 1: | ||
807 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
808 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
809 : | h | 102 | break; |
810 : | case 0: | ||
811 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
812 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
813 : | h | 102 | } |
814 : | } | ||
815 : | } | ||
816 : | } | ||
817 : | else | ||
818 : | { | ||
819 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
820 : | h | 102 | { |
821 : | suxen_drol | 660 | dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
822 : | h | 102 | codec->config.curve_compression_high / 100.0); |
823 : | } | ||
824 : | else | ||
825 : | { | ||
826 : | suxen_drol | 660 | dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
827 : | h | 102 | codec->config.curve_compression_low / 100.0); |
828 : | } | ||
829 : | } | ||
830 : | h | 528 | |
831 : | suxen_drol | 660 | 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) | ||
840 : | dbytes2 = twopass->minpsize; | ||
841 : | } | ||
842 : | h | 528 | |
843 : | total2 += dbytes2; | ||
844 : | h | 102 | } |
845 : | |||
846 : | ++frames; | ||
847 : | } | ||
848 : | |||
849 : | twopass->curve_comp_scale = total1 / total2; | ||
850 : | |||
851 : | if (!codec->config.use_alt_curve) | ||
852 : | { | ||
853 : | int asymmetric_average_frame; | ||
854 : | char s[100]; | ||
855 : | |||
856 : | suxen_drol | 660 | asymmetric_average_frame = (int)(twopass->average_pframe * twopass->curve_comp_scale); |
857 : | h | 102 | wsprintf(s, "middle frame size for asymmetric curve compression: %i", asymmetric_average_frame); |
858 : | DEBUG2P(s); | ||
859 : | } | ||
860 : | } | ||
861 : | |||
862 : | if (codec->config.use_alt_curve) | ||
863 : | { | ||
864 : | if (codec->config.alt_curve_use_auto_bonus_bias) | ||
865 : | codec->config.alt_curve_bonus_bias = codec->config.alt_curve_min_rel_qual; | ||
866 : | |||
867 : | twopass->curve_bias_bonus = (total1 - total2) * (double)codec->config.alt_curve_bonus_bias / 100.0 / (double)(frames - credits_frames - i_frames); | ||
868 : | twopass->curve_comp_scale = ((total1 - total2) * (1.0 - (double)codec->config.alt_curve_bonus_bias / 100.0) + total2) / total2; | ||
869 : | |||
870 : | |||
871 : | // special info for alt curve: bias bonus and quantizer thresholds, | ||
872 : | { | ||
873 : | double curve_temp, dbytes; | ||
874 : | char s[100]; | ||
875 : | int i, newquant, percent; | ||
876 : | int oldquant = 1; | ||
877 : | |||
878 : | suxen_drol | 660 | wsprintf(s, "avg scaled framesize:%i", (int)(twopass->average_pframe)); |
879 : | h | 102 | DEBUG2P(s); |
880 : | |||
881 : | wsprintf(s, "bias bonus:%i bytes", (int)(twopass->curve_bias_bonus)); | ||
882 : | DEBUG2P(s); | ||
883 : | |||
884 : | for (i=1; i <= (int)(twopass->alt_curve_high*2)+1; i++) | ||
885 : | { | ||
886 : | dbytes = i; | ||
887 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
888 : | h | 102 | { |
889 : | if (dbytes >= twopass->alt_curve_high) | ||
890 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); | ||
891 : | else | ||
892 : | { | ||
893 : | switch(codec->config.alt_curve_type) | ||
894 : | { | ||
895 : | case 2: | ||
896 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
897 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
898 : | h | 102 | break; |
899 : | case 1: | ||
900 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
901 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
902 : | h | 102 | break; |
903 : | case 0: | ||
904 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
905 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
906 : | h | 102 | } |
907 : | } | ||
908 : | } | ||
909 : | else | ||
910 : | { | ||
911 : | if (dbytes <= twopass->alt_curve_low) | ||
912 : | curve_temp = dbytes; | ||
913 : | else | ||
914 : | { | ||
915 : | switch(codec->config.alt_curve_type) | ||
916 : | { | ||
917 : | case 2: | ||
918 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
919 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
920 : | h | 102 | break; |
921 : | case 1: | ||
922 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
923 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
924 : | h | 102 | break; |
925 : | case 0: | ||
926 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * | ||
927 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
928 : | h | 102 | } |
929 : | } | ||
930 : | } | ||
931 : | |||
932 : | if (twopass->movie_curve > 1.0) | ||
933 : | dbytes *= twopass->movie_curve; | ||
934 : | |||
935 : | newquant = (int)(dbytes * 2.0 / (curve_temp * twopass->curve_comp_scale + twopass->curve_bias_bonus)); | ||
936 : | if (newquant > 1) | ||
937 : | { | ||
938 : | if (newquant != oldquant) | ||
939 : | { | ||
940 : | oldquant = newquant; | ||
941 : | suxen_drol | 660 | percent = (int)((i - twopass->average_pframe) * 100.0 / twopass->average_pframe); |
942 : | h | 102 | wsprintf(s, "quant:%i threshold at %i : %i percent", newquant, i, percent); |
943 : | DEBUG2P(s); | ||
944 : | } | ||
945 : | } | ||
946 : | } | ||
947 : | } | ||
948 : | } | ||
949 : | |||
950 : | twopass->overflow = 0; | ||
951 : | Foxer | 342 | twopass->KFoverflow = 0; |
952 : | twopass->KFoverflow_partial = 0; | ||
953 : | twopass->KF_idx = 1; | ||
954 : | h | 102 | |
955 : | break; | ||
956 : | } | ||
957 : | |||
958 : | return ICERR_OK; | ||
959 : | } | ||
960 : | |||
961 : | suxen_drol | 660 | // NOTE: codec_2pass_get_quant() should be called for all the frames that are in the stats file(s) |
962 : | h | 102 | int codec_2pass_get_quant(CODEC* codec, XVID_ENC_FRAME* frame) |
963 : | { | ||
964 : | suxen_drol | 660 | static double bquant_error[32]; |
965 : | static double pquant_error[32]; | ||
966 : | h | 102 | static double curve_comp_error; |
967 : | suxen_drol | 660 | static int last_bquant, last_pquant; |
968 : | h | 102 | |
969 : | TWOPASS * twopass = &codec->twopass; | ||
970 : | |||
971 : | suxen_drol | 660 | // DWORD read; |
972 : | h | 102 | int bytes1, bytes2; |
973 : | int overflow; | ||
974 : | int credits_pos; | ||
975 : | h | 109 | int capped_to_max_framesize = 0; |
976 : | Foxer | 343 | int KFdistance, KF_min_size; |
977 : | h | 102 | |
978 : | if (codec->framenum == 0) | ||
979 : | { | ||
980 : | int i; | ||
981 : | |||
982 : | for (i=0 ; i<32 ; ++i) | ||
983 : | { | ||
984 : | suxen_drol | 660 | bquant_error[i] = 0.0; |
985 : | pquant_error[i] = 0.0; | ||
986 : | h | 105 | twopass->quant_count[i] = 0; |
987 : | h | 102 | } |
988 : | |||
989 : | curve_comp_error = 0.0; | ||
990 : | suxen_drol | 660 | last_bquant = 0; |
991 : | last_pquant = 0; | ||
992 : | h | 102 | } |
993 : | |||
994 : | suxen_drol | 660 | if (twopass->nns_array_pos >= twopass->nns_array_length) |
995 : | h | 102 | { |
996 : | suxen_drol | 660 | twopass->nns_array_pos = 0; |
997 : | suxen_drol | 679 | DEBUGERR("ERROR: VIDEO EXCEEDS 1ST PASS!!!"); |
998 : | return ICERR_ERROR; | ||
999 : | h | 102 | } |
1000 : | suxen_drol | 660 | |
1001 : | memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); | ||
1002 : | h | 102 | if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
1003 : | suxen_drol | 660 | memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
1004 : | twopass->nns_array_pos++; | ||
1005 : | |||
1006 : | bytes1 = twopass->nns1.bytes; | ||
1007 : | |||
1008 : | // skip unnecessary frames. | ||
1009 : | if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME) | ||
1010 : | h | 102 | { |
1011 : | suxen_drol | 660 | twopass->bytes1 = bytes1; |
1012 : | twopass->bytes2 = bytes1; | ||
1013 : | twopass->desired_bytes2 = bytes1; | ||
1014 : | frame->intra = 3; | ||
1015 : | return 2; | ||
1016 : | h | 102 | } |
1017 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_PADFRAME) |
1018 : | { | ||
1019 : | twopass->bytes1 = bytes1; | ||
1020 : | twopass->bytes2 = bytes1; | ||
1021 : | twopass->desired_bytes2 = bytes1; | ||
1022 : | frame->intra = 4; | ||
1023 : | return 2; | ||
1024 : | } | ||
1025 : | else if (twopass->nns1.dd_v & NNSTATS_DELAYFRAME) | ||
1026 : | { | ||
1027 : | twopass->bytes1 = bytes1; | ||
1028 : | twopass->bytes2 = bytes1; | ||
1029 : | twopass->desired_bytes2 = bytes1; | ||
1030 : | frame->intra = 5; | ||
1031 : | return 2; | ||
1032 : | } | ||
1033 : | h | 102 | |
1034 : | overflow = twopass->overflow / 8; | ||
1035 : | |||
1036 : | // override codec i-frame choice (reenable in credits) | ||
1037 : | suxen_drol | 660 | if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1038 : | frame->intra=1; | ||
1039 : | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) | ||
1040 : | frame->intra=2; | ||
1041 : | else | ||
1042 : | frame->intra=0; | ||
1043 : | h | 102 | |
1044 : | suxen_drol | 660 | if (frame->intra==1) |
1045 : | h | 102 | { |
1046 : | overflow = 0; | ||
1047 : | } | ||
1048 : | |||
1049 : | credits_pos = codec_is_in_credits(&codec->config, codec->framenum); | ||
1050 : | |||
1051 : | if (credits_pos) | ||
1052 : | { | ||
1053 : | if (codec->config.mode == DLG_MODE_2PASS_2_INT) | ||
1054 : | { | ||
1055 : | switch (codec->config.credits_mode) | ||
1056 : | { | ||
1057 : | case CREDITS_MODE_RATE : | ||
1058 : | case CREDITS_MODE_SIZE : | ||
1059 : | if (credits_pos == CREDITS_START) | ||
1060 : | { | ||
1061 : | bytes2 = (int)(bytes1 / twopass->credits_start_curve); | ||
1062 : | } | ||
1063 : | else // CREDITS_END | ||
1064 : | { | ||
1065 : | bytes2 = (int)(bytes1 / twopass->credits_end_curve); | ||
1066 : | } | ||
1067 : | |||
1068 : | frame->intra = -1; | ||
1069 : | break; | ||
1070 : | |||
1071 : | case CREDITS_MODE_QUANT : | ||
1072 : | if (codec->config.credits_quant_i != codec->config.credits_quant_p) | ||
1073 : | { | ||
1074 : | frame->quant = frame->intra ? | ||
1075 : | codec->config.credits_quant_i : | ||
1076 : | codec->config.credits_quant_p; | ||
1077 : | } | ||
1078 : | else | ||
1079 : | { | ||
1080 : | frame->quant = codec->config.credits_quant_p; | ||
1081 : | frame->intra = -1; | ||
1082 : | } | ||
1083 : | |||
1084 : | twopass->bytes1 = bytes1; | ||
1085 : | twopass->bytes2 = bytes1; | ||
1086 : | twopass->desired_bytes2 = bytes1; | ||
1087 : | return ICERR_OK; | ||
1088 : | } | ||
1089 : | } | ||
1090 : | else // DLG_MODE_2PASS_2_EXT | ||
1091 : | { | ||
1092 : | h | 528 | if (codec->config.credits_mode == CREDITS_MODE_QUANT) |
1093 : | { | ||
1094 : | if (codec->config.credits_quant_i != codec->config.credits_quant_p) | ||
1095 : | { | ||
1096 : | suxen_drol | 660 | frame->quant = frame->intra == 1 ? |
1097 : | h | 528 | codec->config.credits_quant_i : |
1098 : | codec->config.credits_quant_p; | ||
1099 : | } | ||
1100 : | else | ||
1101 : | { | ||
1102 : | frame->quant = codec->config.credits_quant_p; | ||
1103 : | frame->intra = -1; | ||
1104 : | } | ||
1105 : | |||
1106 : | twopass->bytes1 = bytes1; | ||
1107 : | twopass->bytes2 = bytes1; | ||
1108 : | twopass->desired_bytes2 = bytes1; | ||
1109 : | return ICERR_OK; | ||
1110 : | } | ||
1111 : | else | ||
1112 : | bytes2 = twopass->nns2.bytes; | ||
1113 : | h | 102 | } |
1114 : | } | ||
1115 : | else // Foxer: apply curve compression outside credits | ||
1116 : | { | ||
1117 : | double dbytes, curve_temp; | ||
1118 : | |||
1119 : | bytes2 = (codec->config.mode == DLG_MODE_2PASS_2_INT) ? bytes1 : twopass->nns2.bytes; | ||
1120 : | |||
1121 : | suxen_drol | 660 | if (frame->intra==1) |
1122 : | h | 102 | { |
1123 : | dbytes = ((int)(bytes2 + bytes2 * codec->config.keyframe_boost / 100)) / | ||
1124 : | twopass->movie_curve; | ||
1125 : | } | ||
1126 : | else | ||
1127 : | { | ||
1128 : | dbytes = bytes2 / twopass->movie_curve; | ||
1129 : | } | ||
1130 : | |||
1131 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1132 : | dbytes *= twopass->average_pframe / twopass->average_bframe; | ||
1133 : | |||
1134 : | h | 102 | // spread the compression error across payback_delay frames |
1135 : | if (codec->config.bitrate_payback_method == 0) | ||
1136 : | { | ||
1137 : | bytes2 = (int)(curve_comp_error / codec->config.bitrate_payback_delay); | ||
1138 : | } | ||
1139 : | else | ||
1140 : | { | ||
1141 : | bytes2 = (int)(curve_comp_error * dbytes / | ||
1142 : | suxen_drol | 660 | twopass->average_pframe / codec->config.bitrate_payback_delay); |
1143 : | h | 102 | |
1144 : | if (labs(bytes2) > fabs(curve_comp_error)) | ||
1145 : | { | ||
1146 : | bytes2 = (int)curve_comp_error; | ||
1147 : | } | ||
1148 : | } | ||
1149 : | |||
1150 : | curve_comp_error -= bytes2; | ||
1151 : | |||
1152 : | if (codec->config.use_alt_curve) | ||
1153 : | { | ||
1154 : | suxen_drol | 660 | if (!(frame->intra==1)) |
1155 : | h | 102 | { |
1156 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
1157 : | h | 102 | { |
1158 : | if (dbytes >= twopass->alt_curve_high) | ||
1159 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); | ||
1160 : | else | ||
1161 : | { | ||
1162 : | switch(codec->config.alt_curve_type) | ||
1163 : | { | ||
1164 : | case 2: | ||
1165 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1166 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
1167 : | h | 102 | break; |
1168 : | case 1: | ||
1169 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1170 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
1171 : | h | 102 | break; |
1172 : | case 0: | ||
1173 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1174 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
1175 : | h | 102 | } |
1176 : | } | ||
1177 : | } | ||
1178 : | else | ||
1179 : | { | ||
1180 : | if (dbytes <= twopass->alt_curve_low) | ||
1181 : | curve_temp = dbytes; | ||
1182 : | else | ||
1183 : | { | ||
1184 : | switch(codec->config.alt_curve_type) | ||
1185 : | { | ||
1186 : | case 2: | ||
1187 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1188 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
1189 : | h | 102 | break; |
1190 : | case 1: | ||
1191 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1192 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
1193 : | h | 102 | break; |
1194 : | case 0: | ||
1195 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * | ||
1196 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
1197 : | h | 102 | } |
1198 : | } | ||
1199 : | } | ||
1200 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1201 : | curve_temp *= twopass->average_bframe / twopass->average_pframe; | ||
1202 : | |||
1203 : | suxen_drol | 679 | curve_temp = curve_temp * twopass->curve_comp_scale + twopass->curve_bias_bonus; |
1204 : | |||
1205 : | h | 102 | bytes2 += ((int)curve_temp); |
1206 : | curve_comp_error += curve_temp - ((int)curve_temp); | ||
1207 : | } | ||
1208 : | else | ||
1209 : | { | ||
1210 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1211 : | dbytes *= twopass->average_bframe / twopass->average_pframe; | ||
1212 : | |||
1213 : | bytes2 += ((int)dbytes); | ||
1214 : | h | 102 | curve_comp_error += dbytes - ((int)dbytes); |
1215 : | } | ||
1216 : | } | ||
1217 : | else if ((codec->config.curve_compression_high + codec->config.curve_compression_low) && | ||
1218 : | suxen_drol | 660 | !(frame->intra==1)) |
1219 : | h | 102 | { |
1220 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
1221 : | h | 102 | { |
1222 : | curve_temp = twopass->curve_comp_scale * | ||
1223 : | suxen_drol | 660 | ((double)dbytes + (twopass->average_pframe - dbytes) * |
1224 : | h | 102 | codec->config.curve_compression_high / 100.0); |
1225 : | } | ||
1226 : | else | ||
1227 : | { | ||
1228 : | curve_temp = twopass->curve_comp_scale * | ||
1229 : | suxen_drol | 660 | ((double)dbytes + (twopass->average_pframe - dbytes) * |
1230 : | h | 102 | codec->config.curve_compression_low / 100.0); |
1231 : | } | ||
1232 : | |||
1233 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1234 : | curve_temp *= twopass->average_bframe / twopass->average_pframe; | ||
1235 : | |||
1236 : | h | 102 | bytes2 += ((int)curve_temp); |
1237 : | curve_comp_error += curve_temp - ((int)curve_temp); | ||
1238 : | } | ||
1239 : | else | ||
1240 : | { | ||
1241 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1242 : | dbytes *= twopass->average_bframe / twopass->average_pframe; | ||
1243 : | |||
1244 : | bytes2 += ((int)dbytes); | ||
1245 : | h | 102 | curve_comp_error += dbytes - ((int)dbytes); |
1246 : | } | ||
1247 : | |||
1248 : | h | 552 | // cap bytes2 to first pass size, lowers number of quant=1 frames |
1249 : | if (bytes2 > bytes1) | ||
1250 : | h | 102 | { |
1251 : | h | 552 | curve_comp_error += bytes2 - bytes1; |
1252 : | bytes2 = bytes1; | ||
1253 : | h | 102 | } |
1254 : | h | 528 | else |
1255 : | h | 102 | { |
1256 : | suxen_drol | 660 | if (frame->intra==1) |
1257 : | h | 528 | { |
1258 : | h | 552 | if (bytes2 < twopass->minisize) |
1259 : | { | ||
1260 : | curve_comp_error -= twopass->minisize - bytes2; | ||
1261 : | bytes2 = twopass->minisize; | ||
1262 : | } | ||
1263 : | h | 528 | } |
1264 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1265 : | { | ||
1266 : | if (bytes2 < twopass->minbsize) | ||
1267 : | bytes2 = twopass->minbsize; | ||
1268 : | } | ||
1269 : | else | ||
1270 : | { | ||
1271 : | if (bytes2 < twopass->minpsize) | ||
1272 : | bytes2 = twopass->minpsize; | ||
1273 : | } | ||
1274 : | h | 102 | } |
1275 : | } | ||
1276 : | |||
1277 : | twopass->desired_bytes2 = bytes2; | ||
1278 : | |||
1279 : | Foxer | 365 | // if this keyframe is too close to the next, |
1280 : | // reduce it's byte allotment | ||
1281 : | suxen_drol | 660 | if ((frame->intra==1) && !credits_pos) |
1282 : | Foxer | 343 | { |
1283 : | KFdistance = codec->twopass.keyframe_locations[codec->twopass.KF_idx] - | ||
1284 : | codec->twopass.keyframe_locations[codec->twopass.KF_idx - 1]; | ||
1285 : | |||
1286 : | if (KFdistance < codec->config.kftreshold) | ||
1287 : | { | ||
1288 : | KFdistance = KFdistance - codec->config.min_key_interval; | ||
1289 : | |||
1290 : | if (KFdistance >= 0) | ||
1291 : | { | ||
1292 : | KF_min_size = bytes2 * (100 - codec->config.kfreduction) / 100; | ||
1293 : | if (KF_min_size < 1) | ||
1294 : | KF_min_size = 1; | ||
1295 : | |||
1296 : | bytes2 = KF_min_size + (bytes2 - KF_min_size) * KFdistance / | ||
1297 : | (codec->config.kftreshold - codec->config.min_key_interval); | ||
1298 : | |||
1299 : | if (bytes2 < 1) | ||
1300 : | bytes2 = 1; | ||
1301 : | } | ||
1302 : | } | ||
1303 : | } | ||
1304 : | |||
1305 : | h | 102 | // Foxer: scale overflow in relation to average size, so smaller frames don't get |
1306 : | // too much/little bitrate | ||
1307 : | suxen_drol | 660 | overflow = (int)((double)overflow * bytes2 / twopass->average_pframe); |
1308 : | h | 102 | |
1309 : | // Foxer: reign in overflow with huge frames | ||
1310 : | if (labs(overflow) > labs(twopass->overflow)) | ||
1311 : | { | ||
1312 : | overflow = twopass->overflow; | ||
1313 : | } | ||
1314 : | |||
1315 : | // Foxer: make sure overflow doesn't run away | ||
1316 : | h | 109 | if (overflow > bytes2 * codec->config.twopass_max_overflow_improvement / 100) |
1317 : | h | 102 | { |
1318 : | h | 109 | bytes2 += (overflow <= bytes2) ? bytes2 * codec->config.twopass_max_overflow_improvement / 100 : |
1319 : | overflow * codec->config.twopass_max_overflow_improvement / 100; | ||
1320 : | h | 102 | } |
1321 : | h | 109 | else if (overflow < bytes2 * codec->config.twopass_max_overflow_degradation / -100) |
1322 : | h | 102 | { |
1323 : | h | 109 | bytes2 += bytes2 * codec->config.twopass_max_overflow_degradation / -100; |
1324 : | h | 102 | } |
1325 : | else | ||
1326 : | { | ||
1327 : | bytes2 += overflow; | ||
1328 : | } | ||
1329 : | |||
1330 : | h | 109 | if (bytes2 > twopass->max_framesize) |
1331 : | { | ||
1332 : | capped_to_max_framesize = 1; | ||
1333 : | bytes2 = twopass->max_framesize; | ||
1334 : | } | ||
1335 : | |||
1336 : | h | 552 | // make sure to not scale below the minimum framesize |
1337 : | if (twopass->nns1.quant & NNSTATS_KEYFRAME) | ||
1338 : | h | 102 | { |
1339 : | h | 552 | if (bytes2 < twopass->minisize) |
1340 : | bytes2 = twopass->minisize; | ||
1341 : | h | 102 | } |
1342 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1343 : | { | ||
1344 : | if (bytes2 < twopass->minbsize) | ||
1345 : | bytes2 = twopass->minbsize; | ||
1346 : | } | ||
1347 : | else | ||
1348 : | { | ||
1349 : | if (bytes2 < twopass->minpsize) | ||
1350 : | bytes2 = twopass->minpsize; | ||
1351 : | } | ||
1352 : | h | 102 | |
1353 : | twopass->bytes1 = bytes1; | ||
1354 : | twopass->bytes2 = bytes2; | ||
1355 : | |||
1356 : | // very 'simple' quant<->filesize relationship | ||
1357 : | frame->quant = ((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * bytes1) / bytes2; | ||
1358 : | |||
1359 : | if (frame->quant < 1) | ||
1360 : | { | ||
1361 : | frame->quant = 1; | ||
1362 : | } | ||
1363 : | else if (frame->quant > 31) | ||
1364 : | { | ||
1365 : | frame->quant = 31; | ||
1366 : | } | ||
1367 : | suxen_drol | 660 | else if (!(frame->intra==1)) |
1368 : | h | 102 | { |
1369 : | // Foxer: aid desired quantizer precision by accumulating decision error | ||
1370 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1371 : | { | ||
1372 : | bquant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * | ||
1373 : | bytes1) / bytes2) - frame->quant; | ||
1374 : | h | 102 | |
1375 : | suxen_drol | 660 | if (bquant_error[frame->quant] >= 1.0) |
1376 : | { | ||
1377 : | bquant_error[frame->quant] -= 1.0; | ||
1378 : | ++frame->quant; | ||
1379 : | } | ||
1380 : | } | ||
1381 : | else | ||
1382 : | h | 102 | { |
1383 : | suxen_drol | 660 | pquant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * |
1384 : | bytes1) / bytes2) - frame->quant; | ||
1385 : | |||
1386 : | if (pquant_error[frame->quant] >= 1.0) | ||
1387 : | { | ||
1388 : | pquant_error[frame->quant] -= 1.0; | ||
1389 : | ++frame->quant; | ||
1390 : | } | ||
1391 : | h | 102 | } |
1392 : | } | ||
1393 : | |||
1394 : | // we're done with credits | ||
1395 : | if (codec_is_in_credits(&codec->config, codec->framenum)) | ||
1396 : | { | ||
1397 : | return ICERR_OK; | ||
1398 : | } | ||
1399 : | |||
1400 : | suxen_drol | 660 | if ((frame->intra==1)) |
1401 : | h | 102 | { |
1402 : | if (frame->quant < codec->config.min_iquant) | ||
1403 : | { | ||
1404 : | frame->quant = codec->config.min_iquant; | ||
1405 : | DEBUG2P("I-frame quantizer raised"); | ||
1406 : | } | ||
1407 : | if (frame->quant > codec->config.max_iquant) | ||
1408 : | { | ||
1409 : | frame->quant = codec->config.max_iquant; | ||
1410 : | DEBUG2P("I-frame quantizer lowered"); | ||
1411 : | } | ||
1412 : | } | ||
1413 : | else | ||
1414 : | { | ||
1415 : | if (frame->quant > codec->config.max_pquant) | ||
1416 : | { | ||
1417 : | frame->quant = codec->config.max_pquant; | ||
1418 : | } | ||
1419 : | if (frame->quant < codec->config.min_pquant) | ||
1420 : | { | ||
1421 : | frame->quant = codec->config.min_pquant; | ||
1422 : | } | ||
1423 : | |||
1424 : | // subsequent frame quants can only be +- 2 | ||
1425 : | suxen_drol | 660 | if ((last_pquant || last_bquant) && capped_to_max_framesize == 0) |
1426 : | h | 102 | { |
1427 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1428 : | h | 102 | { |
1429 : | suxen_drol | 660 | // this bframe quantizer variation |
1430 : | // restriction needs to be redone. | ||
1431 : | if (frame->quant > last_bquant + 2) | ||
1432 : | { | ||
1433 : | frame->quant = last_bquant + 2; | ||
1434 : | DEBUG2P("B-frame quantizer prevented from rising too steeply"); | ||
1435 : | } | ||
1436 : | if (frame->quant < last_bquant - 2) | ||
1437 : | { | ||
1438 : | frame->quant = last_bquant - 2; | ||
1439 : | DEBUG2P("B-frame quantizer prevented from falling too steeply"); | ||
1440 : | } | ||
1441 : | h | 102 | } |
1442 : | suxen_drol | 660 | else |
1443 : | h | 102 | { |
1444 : | suxen_drol | 660 | if (frame->quant > last_pquant + 2) |
1445 : | { | ||
1446 : | frame->quant = last_pquant + 2; | ||
1447 : | DEBUG2P("P-frame quantizer prevented from rising too steeply"); | ||
1448 : | } | ||
1449 : | if (frame->quant < last_pquant - 2) | ||
1450 : | { | ||
1451 : | frame->quant = last_pquant - 2; | ||
1452 : | DEBUG2P("P-frame quantizer prevented from falling too steeply"); | ||
1453 : | } | ||
1454 : | h | 102 | } |
1455 : | } | ||
1456 : | } | ||
1457 : | |||
1458 : | h | 109 | if (capped_to_max_framesize == 0) |
1459 : | suxen_drol | 660 | { |
1460 : | suxen_drol | 679 | if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1461 : | { | ||
1462 : | suxen_drol | 660 | last_bquant = frame->quant; |
1463 : | suxen_drol | 679 | last_pquant = frame->quant; |
1464 : | } | ||
1465 : | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) | ||
1466 : | last_bquant = frame->quant; | ||
1467 : | suxen_drol | 660 | else |
1468 : | last_pquant = frame->quant; | ||
1469 : | } | ||
1470 : | h | 102 | |
1471 : | if (codec->config.quant_type == QUANT_MODE_MOD) | ||
1472 : | { | ||
1473 : | frame->general |= (frame->quant < 4) ? XVID_MPEGQUANT : XVID_H263QUANT; | ||
1474 : | frame->general &= (frame->quant < 4) ? ~XVID_H263QUANT : ~XVID_MPEGQUANT; | ||
1475 : | } | ||
1476 : | suxen_drol | 660 | /* |
1477 : | if (codec->config.quant_type == QUANT_MODE_MOD_NEW) | ||
1478 : | { | ||
1479 : | frame->general |= (frame->quant < 4) ? XVID_H263QUANT : XVID_MPEGQUANT; | ||
1480 : | frame->general &= (frame->quant < 4) ? ~XVID_MPEGQUANT : ~XVID_H263QUANT; | ||
1481 : | } | ||
1482 : | */ | ||
1483 : | h | 102 | return ICERR_OK; |
1484 : | } | ||
1485 : | |||
1486 : | |||
1487 : | int codec_2pass_update(CODEC* codec, XVID_ENC_FRAME* frame, XVID_ENC_STATS* stats) | ||
1488 : | { | ||
1489 : | static __int64 total_size; | ||
1490 : | |||
1491 : | NNSTATS nns1; | ||
1492 : | DWORD wrote; | ||
1493 : | Foxer | 342 | int credits_pos, tempdiv; |
1494 : | h | 102 | char* quant_type; |
1495 : | suxen_drol | 660 | char* frame_type; |
1496 : | h | 102 | |
1497 : | if (codec->framenum == 0) | ||
1498 : | { | ||
1499 : | total_size = 0; | ||
1500 : | } | ||
1501 : | |||
1502 : | quant_type = (frame->general & XVID_H263QUANT) ? "H.263" : | ||
1503 : | ((frame->general & XVID_MPEGQUANT) && (frame->general & XVID_CUSTOM_QMATRIX)) ? | ||
1504 : | "Cust" : "MPEG"; | ||
1505 : | |||
1506 : | switch (codec->config.mode) | ||
1507 : | { | ||
1508 : | case DLG_MODE_2PASS_1 : | ||
1509 : | nns1.bytes = frame->length; // total bytes | ||
1510 : | nns1.dd_v = stats->hlength; // header bytes | ||
1511 : | |||
1512 : | nns1.dd_u = nns1.dd_y = 0; | ||
1513 : | nns1.dk_v = nns1.dk_u = nns1.dk_y = 0; | ||
1514 : | nns1.md_u = nns1.md_y = 0; | ||
1515 : | nns1.mk_u = nns1.mk_y = 0; | ||
1516 : | |||
1517 : | h | 127 | // nns1.quant = stats->quant; |
1518 : | nns1.quant = 2; // ugly fix for lumi masking in 1st pass returning new quant | ||
1519 : | suxen_drol | 660 | nns1.lum_noise[0] = nns1.lum_noise[1] = 1; |
1520 : | frame_type="inter"; | ||
1521 : | if (frame->intra==1) { | ||
1522 : | h | 102 | nns1.quant |= NNSTATS_KEYFRAME; |
1523 : | suxen_drol | 660 | frame_type="intra"; |
1524 : | h | 102 | } |
1525 : | suxen_drol | 660 | else if (frame->intra==2) { |
1526 : | nns1.dd_v |= NNSTATS_BFRAME; | ||
1527 : | frame_type="bframe"; | ||
1528 : | } | ||
1529 : | else if (frame->intra==3) { | ||
1530 : | nns1.dd_v |= NNSTATS_SKIPFRAME; | ||
1531 : | frame_type="skiped"; | ||
1532 : | } | ||
1533 : | else if (frame->intra==4) { | ||
1534 : | nns1.dd_v |= NNSTATS_PADFRAME; | ||
1535 : | frame_type="padded"; | ||
1536 : | } | ||
1537 : | else if (frame->intra==5) { | ||
1538 : | nns1.dd_v |= NNSTATS_DELAYFRAME; | ||
1539 : | frame_type="delayed"; | ||
1540 : | } | ||
1541 : | h | 102 | nns1.kblk = stats->kblks; |
1542 : | nns1.mblk = stats->mblks; | ||
1543 : | nns1.ublk = stats->ublks; | ||
1544 : | |||
1545 : | total_size += frame->length; | ||
1546 : | |||
1547 : | suxen_drol | 660 | DEBUG1ST(frame->length, (int)total_size/1024, frame_type, frame->quant, quant_type, stats->kblks, stats->mblks) |
1548 : | h | 102 | |
1549 : | suxen_drol | 660 | |
1550 : | h | 102 | if (WriteFile(codec->twopass.stats1, &nns1, sizeof(NNSTATS), &wrote, 0) == 0 || wrote != sizeof(NNSTATS)) |
1551 : | { | ||
1552 : | DEBUGERR("stats1: WriteFile error"); | ||
1553 : | return ICERR_ERROR; | ||
1554 : | } | ||
1555 : | break; | ||
1556 : | |||
1557 : | case DLG_MODE_2PASS_2_INT : | ||
1558 : | case DLG_MODE_2PASS_2_EXT : | ||
1559 : | h | 105 | credits_pos = codec_is_in_credits(&codec->config, codec->framenum); |
1560 : | suxen_drol | 660 | if (!(codec->twopass.nns1.dd_v & NNSTATS_SKIPFRAME) && |
1561 : | !(codec->twopass.nns1.dd_v & NNSTATS_PADFRAME) && | ||
1562 : | !(codec->twopass.nns1.dd_v & NNSTATS_DELAYFRAME)) | ||
1563 : | Foxer | 342 | { |
1564 : | suxen_drol | 660 | if (!credits_pos) |
1565 : | Foxer | 342 | { |
1566 : | suxen_drol | 660 | codec->twopass.quant_count[frame->quant]++; |
1567 : | if ((codec->twopass.nns1.quant & NNSTATS_KEYFRAME)) | ||
1568 : | { | ||
1569 : | // calculate how much to distribute per frame in | ||
1570 : | // order to make up for this keyframe's overflow | ||
1571 : | Foxer | 365 | |
1572 : | suxen_drol | 660 | codec->twopass.overflow += codec->twopass.KFoverflow; |
1573 : | codec->twopass.KFoverflow = codec->twopass.desired_bytes2 - frame->length; | ||
1574 : | h | 105 | |
1575 : | suxen_drol | 660 | tempdiv = (codec->twopass.keyframe_locations[codec->twopass.KF_idx] - |
1576 : | codec->twopass.keyframe_locations[codec->twopass.KF_idx - 1]); | ||
1577 : | Foxer | 342 | |
1578 : | suxen_drol | 660 | if (tempdiv > 1) |
1579 : | { | ||
1580 : | // non-consecutive keyframes | ||
1581 : | codec->twopass.KFoverflow_partial = codec->twopass.KFoverflow / (tempdiv - 1); | ||
1582 : | } | ||
1583 : | else | ||
1584 : | { | ||
1585 : | // consecutive keyframes | ||
1586 : | codec->twopass.overflow += codec->twopass.KFoverflow; | ||
1587 : | codec->twopass.KFoverflow = 0; | ||
1588 : | codec->twopass.KFoverflow_partial = 0; | ||
1589 : | } | ||
1590 : | codec->twopass.KF_idx++; | ||
1591 : | Foxer | 342 | } |
1592 : | else | ||
1593 : | { | ||
1594 : | suxen_drol | 660 | // distribute part of the keyframe overflow |
1595 : | |||
1596 : | codec->twopass.overflow += codec->twopass.desired_bytes2 - frame->length + | ||
1597 : | codec->twopass.KFoverflow_partial; | ||
1598 : | codec->twopass.KFoverflow -= codec->twopass.KFoverflow_partial; | ||
1599 : | Foxer | 342 | } |
1600 : | } | ||
1601 : | else | ||
1602 : | { | ||
1603 : | suxen_drol | 660 | codec->twopass.overflow += codec->twopass.desired_bytes2 - frame->length; |
1604 : | Foxer | 365 | |
1605 : | suxen_drol | 660 | // ugly fix for credits.. |
1606 : | codec->twopass.overflow += codec->twopass.KFoverflow; | ||
1607 : | codec->twopass.KFoverflow = 0; | ||
1608 : | codec->twopass.KFoverflow_partial = 0; | ||
1609 : | // end of ugly fix. | ||
1610 : | Foxer | 342 | } |
1611 : | } | ||
1612 : | |||
1613 : | suxen_drol | 660 | frame_type="inter"; |
1614 : | if (frame->intra==1) { | ||
1615 : | frame_type="intra"; | ||
1616 : | Foxer | 342 | } |
1617 : | suxen_drol | 660 | else if (codec->twopass.nns1.dd_v & NNSTATS_BFRAME) { |
1618 : | frame_type="bframe"; | ||
1619 : | } | ||
1620 : | else if (codec->twopass.nns1.dd_v & NNSTATS_SKIPFRAME) { | ||
1621 : | frame_type="skipped"; | ||
1622 : | frame->quant = 2; | ||
1623 : | suxen_drol | 679 | codec->twopass.bytes1 = 1; |
1624 : | codec->twopass.desired_bytes2 = 1; | ||
1625 : | frame->length = 1; | ||
1626 : | suxen_drol | 660 | } |
1627 : | else if (codec->twopass.nns1.dd_v & NNSTATS_PADFRAME) { | ||
1628 : | frame_type="padded"; | ||
1629 : | frame->quant = 2; | ||
1630 : | suxen_drol | 679 | codec->twopass.bytes1 = 7; |
1631 : | codec->twopass.desired_bytes2 = 7; | ||
1632 : | frame->length = 7; | ||
1633 : | suxen_drol | 660 | } |
1634 : | else if (codec->twopass.nns1.dd_v & NNSTATS_DELAYFRAME) { | ||
1635 : | frame_type="delayed"; | ||
1636 : | frame->quant = 2; | ||
1637 : | suxen_drol | 679 | codec->twopass.bytes1 = 1; |
1638 : | codec->twopass.desired_bytes2 = 1; | ||
1639 : | frame->length = 1; | ||
1640 : | suxen_drol | 660 | } |
1641 : | Foxer | 342 | |
1642 : | suxen_drol | 660 | DEBUG2ND(frame->quant, quant_type, frame_type, codec->twopass.bytes1, codec->twopass.desired_bytes2, frame->length, codec->twopass.overflow, credits_pos) |
1643 : | h | 102 | break; |
1644 : | |||
1645 : | default: | ||
1646 : | break; | ||
1647 : | } | ||
1648 : | |||
1649 : | return ICERR_OK; | ||
1650 : | } | ||
1651 : | |||
1652 : | h | 105 | void codec_2pass_finish(CODEC* codec) |
1653 : | { | ||
1654 : | int i; | ||
1655 : | char s[100]; | ||
1656 : | suxen_drol | 660 | |
1657 : | if (codec->twopass.nns1_array) | ||
1658 : | suxen_drol | 679 | { |
1659 : | suxen_drol | 660 | free(codec->twopass.nns1_array); |
1660 : | suxen_drol | 679 | codec->twopass.nns1_array = NULL; |
1661 : | } | ||
1662 : | suxen_drol | 660 | if (codec->twopass.nns2_array) |
1663 : | suxen_drol | 679 | { |
1664 : | suxen_drol | 660 | free(codec->twopass.nns2_array); |
1665 : | suxen_drol | 679 | codec->twopass.nns2_array = NULL; |
1666 : | } | ||
1667 : | suxen_drol | 660 | codec->twopass.nns_array_size = 0; |
1668 : | codec->twopass.nns_array_length = 0; | ||
1669 : | codec->twopass.nns_array_pos = 0; | ||
1670 : | |||
1671 : | h | 105 | if (codec->config.mode == DLG_MODE_2PASS_2_EXT || codec->config.mode == DLG_MODE_2PASS_2_INT) |
1672 : | { | ||
1673 : | // output the quantizer distribution for this encode. | ||
1674 : | h | 102 | |
1675 : | h | 105 | OutputDebugString("Quantizer distribution for 2nd pass:"); |
1676 : | for (i=1; i<=31; i++) | ||
1677 : | { | ||
1678 : | if (codec->twopass.quant_count[i]) | ||
1679 : | { | ||
1680 : | wsprintf(s, "Q:%i:%i", i, codec->twopass.quant_count[i]); | ||
1681 : | OutputDebugString(s); | ||
1682 : | } | ||
1683 : | } | ||
1684 : | return; | ||
1685 : | } | ||
1686 : | h | 552 | } |
1687 : |
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