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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 : | if (codec->config.hinted_me) | ||
53 : | { | ||
54 : | codec->twopass.hintstream = malloc(100000); | ||
55 : | |||
56 : | if (codec->twopass.hintstream == NULL) | ||
57 : | { | ||
58 : | DEBUGERR("couldn't allocate memory for mv hints"); | ||
59 : | return ICERR_ERROR; | ||
60 : | } | ||
61 : | } | ||
62 : | |||
63 : | switch (codec->config.mode) | ||
64 : | { | ||
65 : | case DLG_MODE_2PASS_1 : | ||
66 : | twopass->stats1 = CreateFile(codec->config.stats1, GENERIC_WRITE, FILE_SHARE_READ, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); | ||
67 : | if (twopass->stats1 == INVALID_HANDLE_VALUE) | ||
68 : | { | ||
69 : | DEBUGERR("2pass init error - couldn't create stats1"); | ||
70 : | return ICERR_ERROR; | ||
71 : | } | ||
72 : | if (WriteFile(twopass->stats1, &version, sizeof(DWORD), &wrote, 0) == 0 || wrote != sizeof(DWORD)) | ||
73 : | { | ||
74 : | CloseHandle(twopass->stats1); | ||
75 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
76 : | DEBUGERR("2pass init error - couldn't write to stats1"); | ||
77 : | return ICERR_ERROR; | ||
78 : | } | ||
79 : | break; | ||
80 : | |||
81 : | case DLG_MODE_2PASS_2_INT : | ||
82 : | case DLG_MODE_2PASS_2_EXT : | ||
83 : | twopass->stats1 = CreateFile(codec->config.stats1, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); | ||
84 : | if (twopass->stats1 == INVALID_HANDLE_VALUE) | ||
85 : | { | ||
86 : | DEBUGERR("2pass init error - couldn't open stats1"); | ||
87 : | return ICERR_ERROR; | ||
88 : | } | ||
89 : | if (ReadFile(twopass->stats1, &version, sizeof(DWORD), &read, 0) == 0 || read != sizeof(DWORD)) | ||
90 : | { | ||
91 : | CloseHandle(twopass->stats1); | ||
92 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
93 : | DEBUGERR("2pass init error - couldn't read from stats1"); | ||
94 : | return ICERR_ERROR; | ||
95 : | } | ||
96 : | if (version != -20) | ||
97 : | { | ||
98 : | CloseHandle(twopass->stats1); | ||
99 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
100 : | DEBUGERR("2pass init error - wrong .stats version"); | ||
101 : | return ICERR_ERROR; | ||
102 : | } | ||
103 : | |||
104 : | suxen_drol | 660 | 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 : | h | 102 | if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
113 : | { | ||
114 : | if (twopass->stats2 != INVALID_HANDLE_VALUE) | ||
115 : | { | ||
116 : | CloseHandle(twopass->stats2); | ||
117 : | } | ||
118 : | |||
119 : | twopass->stats2 = CreateFile(codec->config.stats2, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); | ||
120 : | |||
121 : | if (twopass->stats2 == INVALID_HANDLE_VALUE) | ||
122 : | { | ||
123 : | CloseHandle(twopass->stats1); | ||
124 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
125 : | DEBUGERR("2pass init error - couldn't open stats2"); | ||
126 : | return ICERR_ERROR; | ||
127 : | } | ||
128 : | if (ReadFile(twopass->stats2, &version, sizeof(DWORD), &read, 0) == 0 || read != sizeof(DWORD)) | ||
129 : | { | ||
130 : | CloseHandle(twopass->stats1); | ||
131 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
132 : | CloseHandle(twopass->stats2); | ||
133 : | twopass->stats2 = INVALID_HANDLE_VALUE; | ||
134 : | DEBUGERR("2pass init error - couldn't read from stats2"); | ||
135 : | return ICERR_ERROR; | ||
136 : | } | ||
137 : | if (version != -20) | ||
138 : | { | ||
139 : | CloseHandle(twopass->stats1); | ||
140 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
141 : | CloseHandle(twopass->stats2); | ||
142 : | twopass->stats2 = INVALID_HANDLE_VALUE; | ||
143 : | DEBUGERR("2pass init error - wrong .stats version"); | ||
144 : | return ICERR_ERROR; | ||
145 : | } | ||
146 : | |||
147 : | while (1) | ||
148 : | { | ||
149 : | if (!ReadFile(twopass->stats1, &twopass->nns1, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS) || | ||
150 : | !ReadFile(twopass->stats2, &twopass->nns2, sizeof(NNSTATS), &read, NULL) || read != sizeof(NNSTATS)) | ||
151 : | { | ||
152 : | DWORD err = GetLastError(); | ||
153 : | |||
154 : | if (err == ERROR_HANDLE_EOF || err == ERROR_SUCCESS) | ||
155 : | { | ||
156 : | break; | ||
157 : | } | ||
158 : | else | ||
159 : | { | ||
160 : | CloseHandle(twopass->stats1); | ||
161 : | CloseHandle(twopass->stats2); | ||
162 : | twopass->stats1 = INVALID_HANDLE_VALUE; | ||
163 : | twopass->stats2 = INVALID_HANDLE_VALUE; | ||
164 : | DEBUGERR("2pass init error - incomplete stats1/stats2 record?"); | ||
165 : | return ICERR_ERROR; | ||
166 : | } | ||
167 : | } | ||
168 : | |||
169 : | suxen_drol | 660 | // 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 : | h | 102 | if (!codec_is_in_credits(&codec->config, frames)) |
290 : | { | ||
291 : | if (twopass->nns1.quant & NNSTATS_KEYFRAME) | ||
292 : | { | ||
293 : | suxen_drol | 660 | i_total += twopass->nns2.bytes; |
294 : | h | 528 | i_boost_total += twopass->nns2.bytes * codec->config.keyframe_boost / 100; |
295 : | Foxer | 342 | twopass->keyframe_locations[i_frames] = frames; |
296 : | h | 102 | ++i_frames; |
297 : | } | ||
298 : | suxen_drol | 660 | else |
299 : | { | ||
300 : | 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 : | h | 102 | } |
314 : | else | ||
315 : | ++credits_frames; | ||
316 : | |||
317 : | h | 552 | if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
318 : | { | ||
319 : | suxen_drol | 660 | // this test needs to be corrected.. |
320 : | h | 552 | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
321 : | recminisize = twopass->nns1.bytes; | ||
322 : | } | ||
323 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
324 : | { | ||
325 : | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) | ||
326 : | recminbsize = twopass->nns1.bytes; | ||
327 : | } | ||
328 : | h | 552 | else |
329 : | { | ||
330 : | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) | ||
331 : | recminpsize = twopass->nns1.bytes; | ||
332 : | } | ||
333 : | |||
334 : | h | 102 | ++frames; |
335 : | } | ||
336 : | Foxer | 342 | twopass->keyframe_locations[i_frames] = frames; |
337 : | h | 102 | |
338 : | suxen_drol | 660 | twopass->movie_curve = ((double)(bframe_total_ext + pframe_total_ext + i_boost_total) / |
339 : | (bframe_total_ext + pframe_total_ext)); | ||
340 : | h | 102 | |
341 : | suxen_drol | 679 | if (bframes) |
342 : | twopass->average_bframe = (double)bframe_total_ext / bframes / twopass->movie_curve; | ||
343 : | h | 102 | |
344 : | suxen_drol | 679 | 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 : | suxen_drol | 660 | |
355 : | suxen_drol | 679 | |
356 : | |||
357 : | h | 102 | // perform prepass to compensate for over/undersizing |
358 : | frames = 0; | ||
359 : | |||
360 : | if (codec->config.use_alt_curve) | ||
361 : | { | ||
362 : | suxen_drol | 660 | 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_pframe - twopass->alt_curve_low; | ||
364 : | 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_pframe; | ||
366 : | h | 102 | if (codec->config.alt_curve_use_auto) |
367 : | { | ||
368 : | suxen_drol | 660 | if (bframe_total + pframe_total > bframe_total_ext + pframe_total_ext) |
369 : | h | 102 | { |
370 : | suxen_drol | 660 | 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 : | h | 102 | if (codec->config.alt_curve_min_rel_qual < 20) |
375 : | codec->config.alt_curve_min_rel_qual = 20; | ||
376 : | } | ||
377 : | else | ||
378 : | codec->config.alt_curve_min_rel_qual = 100; | ||
379 : | } | ||
380 : | twopass->alt_curve_mid_qual = (1.0 + (double)codec->config.alt_curve_min_rel_qual / 100.0) / 2.0; | ||
381 : | twopass->alt_curve_qual_dev = 1.0 - twopass->alt_curve_mid_qual; | ||
382 : | if (codec->config.alt_curve_low_dist > 100) | ||
383 : | { | ||
384 : | switch(codec->config.alt_curve_type) | ||
385 : | { | ||
386 : | case 2: // Sine Curve (high aggressiveness) | ||
387 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
388 : | suxen_drol | 660 | sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
389 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
390 : | suxen_drol | 660 | sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)); |
391 : | h | 102 | break; |
392 : | case 1: // Linear (medium aggressiveness) | ||
393 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
394 : | suxen_drol | 660 | twopass->average_pframe / twopass->alt_curve_low_diff); |
395 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
396 : | suxen_drol | 660 | twopass->average_pframe / twopass->alt_curve_low_diff; |
397 : | h | 102 | break; |
398 : | case 0: // Cosine Curve (low aggressiveness) | ||
399 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
400 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)))); |
401 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
402 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
403 : | h | 102 | } |
404 : | } | ||
405 : | } | ||
406 : | |||
407 : | while (1) | ||
408 : | { | ||
409 : | suxen_drol | 660 | if (twopass->nns_array_pos >= twopass->nns_array_length) |
410 : | h | 102 | { |
411 : | suxen_drol | 660 | twopass->nns_array_pos = 0; |
412 : | break; | ||
413 : | h | 102 | } |
414 : | |||
415 : | suxen_drol | 660 | 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 : | h | 528 | if (frames == 0) |
420 : | { | ||
421 : | suxen_drol | 660 | twopass->minbsize = (twopass->nns1.kblk + 88) / 8; |
422 : | h | 528 | twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
423 : | twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; | ||
424 : | suxen_drol | 660 | if (recminbsize > twopass->minbsize) |
425 : | twopass->minbsize = recminbsize; | ||
426 : | h | 552 | if (recminpsize > twopass->minpsize) |
427 : | twopass->minpsize = recminpsize; | ||
428 : | if (recminisize > twopass->minisize) | ||
429 : | twopass->minisize = recminisize; | ||
430 : | h | 528 | } |
431 : | |||
432 : | suxen_drol | 660 | // 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 : | h | 102 | if (!codec_is_in_credits(&codec->config, frames) && |
439 : | !(twopass->nns1.quant & NNSTATS_KEYFRAME)) | ||
440 : | { | ||
441 : | h | 528 | dbytes = twopass->nns2.bytes / twopass->movie_curve; |
442 : | h | 102 | total1 += dbytes; |
443 : | |||
444 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
445 : | dbytes *= twopass->average_pframe / twopass->average_bframe; | ||
446 : | |||
447 : | h | 102 | if (codec->config.use_alt_curve) |
448 : | { | ||
449 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
450 : | h | 102 | { |
451 : | if (dbytes >= twopass->alt_curve_high) | ||
452 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
453 : | h | 102 | else |
454 : | { | ||
455 : | switch(codec->config.alt_curve_type) | ||
456 : | { | ||
457 : | case 2: | ||
458 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
459 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
460 : | h | 102 | break; |
461 : | case 1: | ||
462 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
463 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
464 : | h | 102 | break; |
465 : | case 0: | ||
466 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
467 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
468 : | h | 102 | } |
469 : | } | ||
470 : | } | ||
471 : | else | ||
472 : | { | ||
473 : | if (dbytes <= twopass->alt_curve_low) | ||
474 : | h | 528 | dbytes2 = dbytes; |
475 : | h | 102 | else |
476 : | { | ||
477 : | switch(codec->config.alt_curve_type) | ||
478 : | { | ||
479 : | case 2: | ||
480 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
481 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
482 : | h | 102 | break; |
483 : | case 1: | ||
484 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
485 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
486 : | h | 102 | break; |
487 : | case 0: | ||
488 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
489 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
490 : | h | 102 | } |
491 : | } | ||
492 : | } | ||
493 : | } | ||
494 : | else | ||
495 : | { | ||
496 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
497 : | h | 102 | { |
498 : | suxen_drol | 660 | dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
499 : | h | 102 | codec->config.curve_compression_high / 100.0); |
500 : | } | ||
501 : | else | ||
502 : | { | ||
503 : | suxen_drol | 660 | dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
504 : | h | 102 | codec->config.curve_compression_low / 100.0); |
505 : | } | ||
506 : | } | ||
507 : | h | 528 | |
508 : | suxen_drol | 660 | 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 : | h | 528 | |
520 : | total2 += dbytes2; | ||
521 : | h | 102 | } |
522 : | |||
523 : | ++frames; | ||
524 : | } | ||
525 : | |||
526 : | twopass->curve_comp_scale = total1 / total2; | ||
527 : | |||
528 : | if (!codec->config.use_alt_curve) | ||
529 : | { | ||
530 : | int asymmetric_average_frame; | ||
531 : | char s[100]; | ||
532 : | |||
533 : | suxen_drol | 660 | asymmetric_average_frame = (int)(twopass->average_pframe * twopass->curve_comp_scale); |
534 : | h | 102 | wsprintf(s, "middle frame size for asymmetric curve compression: %i", asymmetric_average_frame); |
535 : | DEBUG2P(s); | ||
536 : | } | ||
537 : | } | ||
538 : | else // DLG_MODE_2PASS_2_INT | ||
539 : | { | ||
540 : | while (1) | ||
541 : | { | ||
542 : | suxen_drol | 660 | if (twopass->nns_array_pos >= twopass->nns_array_length) |
543 : | h | 102 | { |
544 : | suxen_drol | 660 | twopass->nns_array_pos = 0; |
545 : | break; | ||
546 : | h | 102 | } |
547 : | |||
548 : | suxen_drol | 660 | memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
549 : | twopass->nns_array_pos++; | ||
550 : | |||
551 : | // skip unnecessary frames. | ||
552 : | 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 : | h | 102 | if (codec_is_in_credits(&codec->config, frames) == CREDITS_START) |
558 : | { | ||
559 : | start += twopass->nns1.bytes; | ||
560 : | ++credits_frames; | ||
561 : | } | ||
562 : | else if (codec_is_in_credits(&codec->config, frames) == CREDITS_END) | ||
563 : | { | ||
564 : | end += twopass->nns1.bytes; | ||
565 : | ++credits_frames; | ||
566 : | } | ||
567 : | else if (twopass->nns1.quant & NNSTATS_KEYFRAME) | ||
568 : | { | ||
569 : | i_total += twopass->nns1.bytes + twopass->nns1.bytes * codec->config.keyframe_boost / 100; | ||
570 : | Foxer | 342 | twopass->keyframe_locations[i_frames] = frames; |
571 : | h | 102 | ++i_frames; |
572 : | } | ||
573 : | suxen_drol | 660 | 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 : | h | 102 | |
587 : | h | 552 | if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
588 : | { | ||
589 : | suxen_drol | 660 | // this test needs to be corrected.. |
590 : | h | 552 | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) |
591 : | recminisize = twopass->nns1.bytes; | ||
592 : | } | ||
593 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
594 : | { | ||
595 : | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) | ||
596 : | recminbsize = twopass->nns1.bytes; | ||
597 : | } | ||
598 : | h | 552 | else |
599 : | { | ||
600 : | if (!(twopass->nns1.kblk + twopass->nns1.mblk)) | ||
601 : | recminpsize = twopass->nns1.bytes; | ||
602 : | } | ||
603 : | |||
604 : | h | 102 | ++frames; |
605 : | } | ||
606 : | Foxer | 342 | twopass->keyframe_locations[i_frames] = frames; |
607 : | h | 102 | |
608 : | // compensate for avi frame overhead | ||
609 : | desired -= frames * 24; | ||
610 : | |||
611 : | switch (codec->config.credits_mode) | ||
612 : | { | ||
613 : | case CREDITS_MODE_RATE : | ||
614 : | |||
615 : | // credits curve = (total / desired_size) * (100 / credits_rate) | ||
616 : | twopass->credits_start_curve = twopass->credits_end_curve = | ||
617 : | suxen_drol | 660 | ((double)(bframe_total + pframe_total + i_total + start + end) / desired) * |
618 : | ((double)100 / codec->config.credits_rate); | ||
619 : | h | 102 | |
620 : | start_curved = (__int64)(start / twopass->credits_start_curve); | ||
621 : | end_curved = (__int64)(end / twopass->credits_end_curve); | ||
622 : | |||
623 : | // movie curve = (total - credits) / (desired_size - curved credits) | ||
624 : | twopass->movie_curve = (double) | ||
625 : | suxen_drol | 660 | (bframe_total + pframe_total + i_total) / |
626 : | h | 102 | (desired - start_curved - end_curved); |
627 : | |||
628 : | break; | ||
629 : | |||
630 : | case CREDITS_MODE_QUANT : | ||
631 : | |||
632 : | // movie curve = (total - credits) / (desired_size - credits) | ||
633 : | twopass->movie_curve = (double) | ||
634 : | suxen_drol | 660 | (bframe_total + pframe_total + i_total) / (desired - start - end); |
635 : | h | 102 | |
636 : | // aid the average asymmetric frame calculation below | ||
637 : | start_curved = start; | ||
638 : | end_curved = end; | ||
639 : | |||
640 : | break; | ||
641 : | |||
642 : | case CREDITS_MODE_SIZE : | ||
643 : | |||
644 : | // start curve = (start / start desired size) | ||
645 : | twopass->credits_start_curve = (double) | ||
646 : | (start / 1024) / codec->config.credits_start_size; | ||
647 : | |||
648 : | // end curve = (end / end desired size) | ||
649 : | twopass->credits_end_curve = (double) | ||
650 : | (end / 1024) / codec->config.credits_end_size; | ||
651 : | |||
652 : | start_curved = (__int64)(start / twopass->credits_start_curve); | ||
653 : | end_curved = (__int64)(end / twopass->credits_end_curve); | ||
654 : | |||
655 : | // movie curve = (total - credits) / (desired_size - curved credits) | ||
656 : | twopass->movie_curve = (double) | ||
657 : | suxen_drol | 660 | (bframe_total + pframe_total + i_total) / |
658 : | h | 102 | (desired - start_curved - end_curved); |
659 : | |||
660 : | break; | ||
661 : | } | ||
662 : | |||
663 : | suxen_drol | 687 | if (bframes) |
664 : | twopass->average_bframe = (double)bframe_total / bframes / twopass->movie_curve; | ||
665 : | h | 102 | |
666 : | suxen_drol | 687 | if (pframes) |
667 : | twopass->average_pframe = (double)pframe_total / pframes / twopass->movie_curve; | ||
668 : | else | ||
669 : | if (bframes) | ||
670 : | twopass->average_pframe = twopass->average_bframe; // b-frame packed bitstream fix | ||
671 : | else | ||
672 : | { | ||
673 : | DEBUGERR("ERROR: No p-frames or b-frames were present in the 1st pass. Rate control cannot function properly!"); | ||
674 : | return ICERR_ERROR; | ||
675 : | } | ||
676 : | h | 102 | |
677 : | suxen_drol | 660 | |
678 : | suxen_drol | 687 | |
679 : | h | 102 | // perform prepass to compensate for over/undersizing |
680 : | frames = 0; | ||
681 : | |||
682 : | if (codec->config.use_alt_curve) | ||
683 : | { | ||
684 : | suxen_drol | 660 | twopass->alt_curve_low = twopass->average_pframe - twopass->average_pframe * (double)codec->config.alt_curve_low_dist / 100.0; |
685 : | twopass->alt_curve_low_diff = twopass->average_pframe - twopass->alt_curve_low; | ||
686 : | twopass->alt_curve_high = twopass->average_pframe + twopass->average_pframe * (double)codec->config.alt_curve_high_dist / 100.0; | ||
687 : | twopass->alt_curve_high_diff = twopass->alt_curve_high - twopass->average_pframe; | ||
688 : | h | 102 | if (codec->config.alt_curve_use_auto) |
689 : | { | ||
690 : | if (twopass->movie_curve > 1.0) | ||
691 : | { | ||
692 : | 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); | ||
693 : | if (codec->config.alt_curve_min_rel_qual < 20) | ||
694 : | codec->config.alt_curve_min_rel_qual = 20; | ||
695 : | } | ||
696 : | else | ||
697 : | codec->config.alt_curve_min_rel_qual = 100; | ||
698 : | } | ||
699 : | twopass->alt_curve_mid_qual = (1.0 + (double)codec->config.alt_curve_min_rel_qual / 100.0) / 2.0; | ||
700 : | twopass->alt_curve_qual_dev = 1.0 - twopass->alt_curve_mid_qual; | ||
701 : | if (codec->config.alt_curve_low_dist > 100) | ||
702 : | { | ||
703 : | switch(codec->config.alt_curve_type) | ||
704 : | { | ||
705 : | case 2: // Sine Curve (high aggressiveness) | ||
706 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
707 : | suxen_drol | 660 | sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
708 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
709 : | suxen_drol | 660 | sin(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)); |
710 : | h | 102 | break; |
711 : | case 1: // Linear (medium aggressiveness) | ||
712 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
713 : | suxen_drol | 660 | twopass->average_pframe / twopass->alt_curve_low_diff); |
714 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
715 : | suxen_drol | 660 | twopass->average_pframe / twopass->alt_curve_low_diff; |
716 : | h | 102 | break; |
717 : | case 0: // Cosine Curve (low aggressiveness) | ||
718 : | twopass->alt_curve_qual_dev *= 2.0 / (1.0 + | ||
719 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff)))); |
720 : | h | 102 | twopass->alt_curve_mid_qual = 1.0 - twopass->alt_curve_qual_dev * |
721 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * (twopass->average_pframe * 90.0 / twopass->alt_curve_low_diff))); |
722 : | h | 102 | } |
723 : | } | ||
724 : | } | ||
725 : | |||
726 : | while (1) | ||
727 : | { | ||
728 : | suxen_drol | 660 | if (twopass->nns_array_pos >= twopass->nns_array_length) |
729 : | h | 102 | { |
730 : | suxen_drol | 660 | twopass->nns_array_pos = 0; |
731 : | break; | ||
732 : | h | 102 | } |
733 : | |||
734 : | suxen_drol | 660 | memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
735 : | twopass->nns_array_pos++; | ||
736 : | |||
737 : | h | 528 | if (frames == 0) |
738 : | { | ||
739 : | suxen_drol | 660 | twopass->minbsize = (twopass->nns1.kblk + 88) / 8; |
740 : | h | 528 | twopass->minpsize = (twopass->nns1.kblk + 88) / 8; |
741 : | twopass->minisize = ((twopass->nns1.kblk * 22) + 240) / 8; | ||
742 : | suxen_drol | 660 | if (recminbsize > twopass->minbsize) |
743 : | twopass->minbsize = recminbsize; | ||
744 : | h | 552 | if (recminpsize > twopass->minpsize) |
745 : | twopass->minpsize = recminpsize; | ||
746 : | if (recminisize > twopass->minisize) | ||
747 : | twopass->minisize = recminisize; | ||
748 : | h | 528 | } |
749 : | |||
750 : | suxen_drol | 660 | // skip unnecessary frames. |
751 : | if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME || | ||
752 : | twopass->nns1.dd_v & NNSTATS_PADFRAME || | ||
753 : | twopass->nns1.dd_v & NNSTATS_DELAYFRAME) | ||
754 : | continue; | ||
755 : | |||
756 : | h | 102 | if (!codec_is_in_credits(&codec->config, frames) && |
757 : | !(twopass->nns1.quant & NNSTATS_KEYFRAME)) | ||
758 : | { | ||
759 : | h | 528 | dbytes = twopass->nns1.bytes / twopass->movie_curve; |
760 : | h | 102 | total1 += dbytes; |
761 : | |||
762 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
763 : | dbytes *= twopass->average_pframe / twopass->average_bframe; | ||
764 : | |||
765 : | h | 102 | if (codec->config.use_alt_curve) |
766 : | { | ||
767 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
768 : | h | 102 | { |
769 : | if (dbytes >= twopass->alt_curve_high) | ||
770 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); |
771 : | h | 102 | else |
772 : | { | ||
773 : | switch(codec->config.alt_curve_type) | ||
774 : | { | ||
775 : | case 2: | ||
776 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
777 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
778 : | h | 102 | break; |
779 : | case 1: | ||
780 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
781 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
782 : | h | 102 | break; |
783 : | case 0: | ||
784 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
785 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
786 : | h | 102 | } |
787 : | } | ||
788 : | } | ||
789 : | else | ||
790 : | { | ||
791 : | if (dbytes <= twopass->alt_curve_low) | ||
792 : | h | 528 | dbytes2 = dbytes; |
793 : | h | 102 | else |
794 : | { | ||
795 : | switch(codec->config.alt_curve_type) | ||
796 : | { | ||
797 : | case 2: | ||
798 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
799 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
800 : | h | 102 | break; |
801 : | case 1: | ||
802 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * |
803 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
804 : | h | 102 | break; |
805 : | case 0: | ||
806 : | h | 528 | dbytes2 = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * |
807 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
808 : | h | 102 | } |
809 : | } | ||
810 : | } | ||
811 : | } | ||
812 : | else | ||
813 : | { | ||
814 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
815 : | h | 102 | { |
816 : | suxen_drol | 660 | dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
817 : | h | 102 | codec->config.curve_compression_high / 100.0); |
818 : | } | ||
819 : | else | ||
820 : | { | ||
821 : | suxen_drol | 660 | dbytes2 = ((double)dbytes + (twopass->average_pframe - dbytes) * |
822 : | h | 102 | codec->config.curve_compression_low / 100.0); |
823 : | } | ||
824 : | } | ||
825 : | h | 528 | |
826 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
827 : | { | ||
828 : | dbytes2 *= twopass->average_bframe / twopass->average_pframe; | ||
829 : | if (dbytes2 < twopass->minbsize) | ||
830 : | dbytes2 = twopass->minbsize; | ||
831 : | } | ||
832 : | else | ||
833 : | { | ||
834 : | if (dbytes2 < twopass->minpsize) | ||
835 : | dbytes2 = twopass->minpsize; | ||
836 : | } | ||
837 : | h | 528 | |
838 : | total2 += dbytes2; | ||
839 : | h | 102 | } |
840 : | |||
841 : | ++frames; | ||
842 : | } | ||
843 : | |||
844 : | twopass->curve_comp_scale = total1 / total2; | ||
845 : | |||
846 : | if (!codec->config.use_alt_curve) | ||
847 : | { | ||
848 : | int asymmetric_average_frame; | ||
849 : | char s[100]; | ||
850 : | |||
851 : | suxen_drol | 660 | asymmetric_average_frame = (int)(twopass->average_pframe * twopass->curve_comp_scale); |
852 : | h | 102 | wsprintf(s, "middle frame size for asymmetric curve compression: %i", asymmetric_average_frame); |
853 : | DEBUG2P(s); | ||
854 : | } | ||
855 : | } | ||
856 : | |||
857 : | if (codec->config.use_alt_curve) | ||
858 : | { | ||
859 : | if (codec->config.alt_curve_use_auto_bonus_bias) | ||
860 : | codec->config.alt_curve_bonus_bias = codec->config.alt_curve_min_rel_qual; | ||
861 : | |||
862 : | twopass->curve_bias_bonus = (total1 - total2) * (double)codec->config.alt_curve_bonus_bias / 100.0 / (double)(frames - credits_frames - i_frames); | ||
863 : | twopass->curve_comp_scale = ((total1 - total2) * (1.0 - (double)codec->config.alt_curve_bonus_bias / 100.0) + total2) / total2; | ||
864 : | |||
865 : | |||
866 : | // special info for alt curve: bias bonus and quantizer thresholds, | ||
867 : | { | ||
868 : | double curve_temp, dbytes; | ||
869 : | char s[100]; | ||
870 : | int i, newquant, percent; | ||
871 : | int oldquant = 1; | ||
872 : | |||
873 : | suxen_drol | 660 | wsprintf(s, "avg scaled framesize:%i", (int)(twopass->average_pframe)); |
874 : | h | 102 | DEBUG2P(s); |
875 : | |||
876 : | wsprintf(s, "bias bonus:%i bytes", (int)(twopass->curve_bias_bonus)); | ||
877 : | DEBUG2P(s); | ||
878 : | |||
879 : | for (i=1; i <= (int)(twopass->alt_curve_high*2)+1; i++) | ||
880 : | { | ||
881 : | dbytes = i; | ||
882 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
883 : | h | 102 | { |
884 : | if (dbytes >= twopass->alt_curve_high) | ||
885 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); | ||
886 : | else | ||
887 : | { | ||
888 : | switch(codec->config.alt_curve_type) | ||
889 : | { | ||
890 : | case 2: | ||
891 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
892 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
893 : | h | 102 | break; |
894 : | case 1: | ||
895 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
896 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
897 : | h | 102 | break; |
898 : | case 0: | ||
899 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
900 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
901 : | h | 102 | } |
902 : | } | ||
903 : | } | ||
904 : | else | ||
905 : | { | ||
906 : | if (dbytes <= twopass->alt_curve_low) | ||
907 : | curve_temp = dbytes; | ||
908 : | else | ||
909 : | { | ||
910 : | switch(codec->config.alt_curve_type) | ||
911 : | { | ||
912 : | case 2: | ||
913 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
914 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
915 : | h | 102 | break; |
916 : | case 1: | ||
917 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
918 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
919 : | h | 102 | break; |
920 : | case 0: | ||
921 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * | ||
922 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
923 : | h | 102 | } |
924 : | } | ||
925 : | } | ||
926 : | |||
927 : | if (twopass->movie_curve > 1.0) | ||
928 : | dbytes *= twopass->movie_curve; | ||
929 : | |||
930 : | newquant = (int)(dbytes * 2.0 / (curve_temp * twopass->curve_comp_scale + twopass->curve_bias_bonus)); | ||
931 : | if (newquant > 1) | ||
932 : | { | ||
933 : | if (newquant != oldquant) | ||
934 : | { | ||
935 : | oldquant = newquant; | ||
936 : | suxen_drol | 660 | percent = (int)((i - twopass->average_pframe) * 100.0 / twopass->average_pframe); |
937 : | h | 102 | wsprintf(s, "quant:%i threshold at %i : %i percent", newquant, i, percent); |
938 : | DEBUG2P(s); | ||
939 : | } | ||
940 : | } | ||
941 : | } | ||
942 : | } | ||
943 : | } | ||
944 : | |||
945 : | twopass->overflow = 0; | ||
946 : | Foxer | 342 | twopass->KFoverflow = 0; |
947 : | twopass->KFoverflow_partial = 0; | ||
948 : | twopass->KF_idx = 1; | ||
949 : | h | 102 | |
950 : | break; | ||
951 : | } | ||
952 : | |||
953 : | return ICERR_OK; | ||
954 : | } | ||
955 : | |||
956 : | suxen_drol | 660 | // NOTE: codec_2pass_get_quant() should be called for all the frames that are in the stats file(s) |
957 : | h | 102 | int codec_2pass_get_quant(CODEC* codec, XVID_ENC_FRAME* frame) |
958 : | { | ||
959 : | suxen_drol | 660 | static double bquant_error[32]; |
960 : | static double pquant_error[32]; | ||
961 : | h | 102 | static double curve_comp_error; |
962 : | suxen_drol | 660 | static int last_bquant, last_pquant; |
963 : | h | 102 | |
964 : | TWOPASS * twopass = &codec->twopass; | ||
965 : | |||
966 : | suxen_drol | 660 | // DWORD read; |
967 : | h | 102 | int bytes1, bytes2; |
968 : | int overflow; | ||
969 : | int credits_pos; | ||
970 : | h | 109 | int capped_to_max_framesize = 0; |
971 : | Foxer | 343 | int KFdistance, KF_min_size; |
972 : | h | 102 | |
973 : | if (codec->framenum == 0) | ||
974 : | { | ||
975 : | int i; | ||
976 : | |||
977 : | for (i=0 ; i<32 ; ++i) | ||
978 : | { | ||
979 : | suxen_drol | 660 | bquant_error[i] = 0.0; |
980 : | pquant_error[i] = 0.0; | ||
981 : | h | 105 | twopass->quant_count[i] = 0; |
982 : | h | 102 | } |
983 : | |||
984 : | curve_comp_error = 0.0; | ||
985 : | suxen_drol | 660 | last_bquant = 0; |
986 : | last_pquant = 0; | ||
987 : | h | 102 | } |
988 : | |||
989 : | suxen_drol | 660 | if (twopass->nns_array_pos >= twopass->nns_array_length) |
990 : | h | 102 | { |
991 : | suxen_drol | 660 | twopass->nns_array_pos = 0; |
992 : | suxen_drol | 679 | DEBUGERR("ERROR: VIDEO EXCEEDS 1ST PASS!!!"); |
993 : | return ICERR_ERROR; | ||
994 : | h | 102 | } |
995 : | suxen_drol | 660 | |
996 : | memcpy(&twopass->nns1, &twopass->nns1_array[twopass->nns_array_pos], sizeof(NNSTATS)); | ||
997 : | h | 102 | if (codec->config.mode == DLG_MODE_2PASS_2_EXT) |
998 : | suxen_drol | 660 | memcpy(&twopass->nns2, &twopass->nns2_array[twopass->nns_array_pos], sizeof(NNSTATS)); |
999 : | twopass->nns_array_pos++; | ||
1000 : | |||
1001 : | bytes1 = twopass->nns1.bytes; | ||
1002 : | |||
1003 : | // skip unnecessary frames. | ||
1004 : | if (twopass->nns1.dd_v & NNSTATS_SKIPFRAME) | ||
1005 : | h | 102 | { |
1006 : | suxen_drol | 660 | twopass->bytes1 = bytes1; |
1007 : | twopass->bytes2 = bytes1; | ||
1008 : | twopass->desired_bytes2 = bytes1; | ||
1009 : | frame->intra = 3; | ||
1010 : | return 2; | ||
1011 : | h | 102 | } |
1012 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_PADFRAME) |
1013 : | { | ||
1014 : | twopass->bytes1 = bytes1; | ||
1015 : | twopass->bytes2 = bytes1; | ||
1016 : | twopass->desired_bytes2 = bytes1; | ||
1017 : | frame->intra = 4; | ||
1018 : | return 2; | ||
1019 : | } | ||
1020 : | else if (twopass->nns1.dd_v & NNSTATS_DELAYFRAME) | ||
1021 : | { | ||
1022 : | twopass->bytes1 = bytes1; | ||
1023 : | twopass->bytes2 = bytes1; | ||
1024 : | twopass->desired_bytes2 = bytes1; | ||
1025 : | frame->intra = 5; | ||
1026 : | return 2; | ||
1027 : | } | ||
1028 : | h | 102 | |
1029 : | overflow = twopass->overflow / 8; | ||
1030 : | |||
1031 : | // override codec i-frame choice (reenable in credits) | ||
1032 : | suxen_drol | 660 | if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1033 : | frame->intra=1; | ||
1034 : | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) | ||
1035 : | frame->intra=2; | ||
1036 : | else | ||
1037 : | frame->intra=0; | ||
1038 : | h | 102 | |
1039 : | suxen_drol | 660 | if (frame->intra==1) |
1040 : | h | 102 | { |
1041 : | overflow = 0; | ||
1042 : | } | ||
1043 : | |||
1044 : | credits_pos = codec_is_in_credits(&codec->config, codec->framenum); | ||
1045 : | |||
1046 : | if (credits_pos) | ||
1047 : | { | ||
1048 : | if (codec->config.mode == DLG_MODE_2PASS_2_INT) | ||
1049 : | { | ||
1050 : | switch (codec->config.credits_mode) | ||
1051 : | { | ||
1052 : | case CREDITS_MODE_RATE : | ||
1053 : | case CREDITS_MODE_SIZE : | ||
1054 : | if (credits_pos == CREDITS_START) | ||
1055 : | { | ||
1056 : | bytes2 = (int)(bytes1 / twopass->credits_start_curve); | ||
1057 : | } | ||
1058 : | else // CREDITS_END | ||
1059 : | { | ||
1060 : | bytes2 = (int)(bytes1 / twopass->credits_end_curve); | ||
1061 : | } | ||
1062 : | |||
1063 : | frame->intra = -1; | ||
1064 : | break; | ||
1065 : | |||
1066 : | case CREDITS_MODE_QUANT : | ||
1067 : | if (codec->config.credits_quant_i != codec->config.credits_quant_p) | ||
1068 : | { | ||
1069 : | frame->quant = frame->intra ? | ||
1070 : | codec->config.credits_quant_i : | ||
1071 : | codec->config.credits_quant_p; | ||
1072 : | } | ||
1073 : | else | ||
1074 : | { | ||
1075 : | frame->quant = codec->config.credits_quant_p; | ||
1076 : | frame->intra = -1; | ||
1077 : | } | ||
1078 : | |||
1079 : | twopass->bytes1 = bytes1; | ||
1080 : | twopass->bytes2 = bytes1; | ||
1081 : | twopass->desired_bytes2 = bytes1; | ||
1082 : | return ICERR_OK; | ||
1083 : | } | ||
1084 : | } | ||
1085 : | else // DLG_MODE_2PASS_2_EXT | ||
1086 : | { | ||
1087 : | h | 528 | if (codec->config.credits_mode == CREDITS_MODE_QUANT) |
1088 : | { | ||
1089 : | if (codec->config.credits_quant_i != codec->config.credits_quant_p) | ||
1090 : | { | ||
1091 : | suxen_drol | 660 | frame->quant = frame->intra == 1 ? |
1092 : | h | 528 | codec->config.credits_quant_i : |
1093 : | codec->config.credits_quant_p; | ||
1094 : | } | ||
1095 : | else | ||
1096 : | { | ||
1097 : | frame->quant = codec->config.credits_quant_p; | ||
1098 : | frame->intra = -1; | ||
1099 : | } | ||
1100 : | |||
1101 : | twopass->bytes1 = bytes1; | ||
1102 : | twopass->bytes2 = bytes1; | ||
1103 : | twopass->desired_bytes2 = bytes1; | ||
1104 : | return ICERR_OK; | ||
1105 : | } | ||
1106 : | else | ||
1107 : | bytes2 = twopass->nns2.bytes; | ||
1108 : | h | 102 | } |
1109 : | } | ||
1110 : | else // Foxer: apply curve compression outside credits | ||
1111 : | { | ||
1112 : | double dbytes, curve_temp; | ||
1113 : | |||
1114 : | bytes2 = (codec->config.mode == DLG_MODE_2PASS_2_INT) ? bytes1 : twopass->nns2.bytes; | ||
1115 : | |||
1116 : | suxen_drol | 660 | if (frame->intra==1) |
1117 : | h | 102 | { |
1118 : | dbytes = ((int)(bytes2 + bytes2 * codec->config.keyframe_boost / 100)) / | ||
1119 : | twopass->movie_curve; | ||
1120 : | } | ||
1121 : | else | ||
1122 : | { | ||
1123 : | dbytes = bytes2 / twopass->movie_curve; | ||
1124 : | } | ||
1125 : | |||
1126 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1127 : | dbytes *= twopass->average_pframe / twopass->average_bframe; | ||
1128 : | |||
1129 : | h | 102 | // spread the compression error across payback_delay frames |
1130 : | if (codec->config.bitrate_payback_method == 0) | ||
1131 : | { | ||
1132 : | bytes2 = (int)(curve_comp_error / codec->config.bitrate_payback_delay); | ||
1133 : | } | ||
1134 : | else | ||
1135 : | { | ||
1136 : | bytes2 = (int)(curve_comp_error * dbytes / | ||
1137 : | suxen_drol | 660 | twopass->average_pframe / codec->config.bitrate_payback_delay); |
1138 : | h | 102 | |
1139 : | if (labs(bytes2) > fabs(curve_comp_error)) | ||
1140 : | { | ||
1141 : | bytes2 = (int)curve_comp_error; | ||
1142 : | } | ||
1143 : | } | ||
1144 : | |||
1145 : | curve_comp_error -= bytes2; | ||
1146 : | |||
1147 : | if (codec->config.use_alt_curve) | ||
1148 : | { | ||
1149 : | suxen_drol | 660 | if (!(frame->intra==1)) |
1150 : | h | 102 | { |
1151 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
1152 : | h | 102 | { |
1153 : | if (dbytes >= twopass->alt_curve_high) | ||
1154 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev); | ||
1155 : | else | ||
1156 : | { | ||
1157 : | switch(codec->config.alt_curve_type) | ||
1158 : | { | ||
1159 : | case 2: | ||
1160 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1161 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff))); |
1162 : | h | 102 | break; |
1163 : | case 1: | ||
1164 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1165 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_high_diff); |
1166 : | h | 102 | break; |
1167 : | case 0: | ||
1168 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1169 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_high_diff)))); |
1170 : | h | 102 | } |
1171 : | } | ||
1172 : | } | ||
1173 : | else | ||
1174 : | { | ||
1175 : | if (dbytes <= twopass->alt_curve_low) | ||
1176 : | curve_temp = dbytes; | ||
1177 : | else | ||
1178 : | { | ||
1179 : | switch(codec->config.alt_curve_type) | ||
1180 : | { | ||
1181 : | case 2: | ||
1182 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1183 : | suxen_drol | 660 | sin(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff))); |
1184 : | h | 102 | break; |
1185 : | case 1: | ||
1186 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual - twopass->alt_curve_qual_dev * | ||
1187 : | suxen_drol | 660 | (dbytes - twopass->average_pframe) / twopass->alt_curve_low_diff); |
1188 : | h | 102 | break; |
1189 : | case 0: | ||
1190 : | curve_temp = dbytes * (twopass->alt_curve_mid_qual + twopass->alt_curve_qual_dev * | ||
1191 : | suxen_drol | 660 | (1.0 - cos(DEG2RAD * ((dbytes - twopass->average_pframe) * 90.0 / twopass->alt_curve_low_diff)))); |
1192 : | h | 102 | } |
1193 : | } | ||
1194 : | } | ||
1195 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1196 : | curve_temp *= twopass->average_bframe / twopass->average_pframe; | ||
1197 : | |||
1198 : | suxen_drol | 679 | curve_temp = curve_temp * twopass->curve_comp_scale + twopass->curve_bias_bonus; |
1199 : | |||
1200 : | h | 102 | bytes2 += ((int)curve_temp); |
1201 : | curve_comp_error += curve_temp - ((int)curve_temp); | ||
1202 : | } | ||
1203 : | else | ||
1204 : | { | ||
1205 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1206 : | dbytes *= twopass->average_bframe / twopass->average_pframe; | ||
1207 : | |||
1208 : | bytes2 += ((int)dbytes); | ||
1209 : | h | 102 | curve_comp_error += dbytes - ((int)dbytes); |
1210 : | } | ||
1211 : | } | ||
1212 : | else if ((codec->config.curve_compression_high + codec->config.curve_compression_low) && | ||
1213 : | suxen_drol | 660 | !(frame->intra==1)) |
1214 : | h | 102 | { |
1215 : | suxen_drol | 660 | if (dbytes > twopass->average_pframe) |
1216 : | h | 102 | { |
1217 : | curve_temp = twopass->curve_comp_scale * | ||
1218 : | suxen_drol | 660 | ((double)dbytes + (twopass->average_pframe - dbytes) * |
1219 : | h | 102 | codec->config.curve_compression_high / 100.0); |
1220 : | } | ||
1221 : | else | ||
1222 : | { | ||
1223 : | curve_temp = twopass->curve_comp_scale * | ||
1224 : | suxen_drol | 660 | ((double)dbytes + (twopass->average_pframe - dbytes) * |
1225 : | h | 102 | codec->config.curve_compression_low / 100.0); |
1226 : | } | ||
1227 : | |||
1228 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1229 : | curve_temp *= twopass->average_bframe / twopass->average_pframe; | ||
1230 : | |||
1231 : | h | 102 | bytes2 += ((int)curve_temp); |
1232 : | curve_comp_error += curve_temp - ((int)curve_temp); | ||
1233 : | } | ||
1234 : | else | ||
1235 : | { | ||
1236 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1237 : | dbytes *= twopass->average_bframe / twopass->average_pframe; | ||
1238 : | |||
1239 : | bytes2 += ((int)dbytes); | ||
1240 : | h | 102 | curve_comp_error += dbytes - ((int)dbytes); |
1241 : | } | ||
1242 : | |||
1243 : | h | 552 | // cap bytes2 to first pass size, lowers number of quant=1 frames |
1244 : | if (bytes2 > bytes1) | ||
1245 : | h | 102 | { |
1246 : | h | 552 | curve_comp_error += bytes2 - bytes1; |
1247 : | bytes2 = bytes1; | ||
1248 : | h | 102 | } |
1249 : | h | 528 | else |
1250 : | h | 102 | { |
1251 : | suxen_drol | 660 | if (frame->intra==1) |
1252 : | h | 528 | { |
1253 : | h | 552 | if (bytes2 < twopass->minisize) |
1254 : | { | ||
1255 : | curve_comp_error -= twopass->minisize - bytes2; | ||
1256 : | bytes2 = twopass->minisize; | ||
1257 : | } | ||
1258 : | h | 528 | } |
1259 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1260 : | { | ||
1261 : | if (bytes2 < twopass->minbsize) | ||
1262 : | bytes2 = twopass->minbsize; | ||
1263 : | } | ||
1264 : | else | ||
1265 : | { | ||
1266 : | if (bytes2 < twopass->minpsize) | ||
1267 : | bytes2 = twopass->minpsize; | ||
1268 : | } | ||
1269 : | h | 102 | } |
1270 : | } | ||
1271 : | |||
1272 : | twopass->desired_bytes2 = bytes2; | ||
1273 : | |||
1274 : | Foxer | 365 | // if this keyframe is too close to the next, |
1275 : | // reduce it's byte allotment | ||
1276 : | suxen_drol | 660 | if ((frame->intra==1) && !credits_pos) |
1277 : | Foxer | 343 | { |
1278 : | KFdistance = codec->twopass.keyframe_locations[codec->twopass.KF_idx] - | ||
1279 : | codec->twopass.keyframe_locations[codec->twopass.KF_idx - 1]; | ||
1280 : | |||
1281 : | if (KFdistance < codec->config.kftreshold) | ||
1282 : | { | ||
1283 : | KFdistance = KFdistance - codec->config.min_key_interval; | ||
1284 : | |||
1285 : | if (KFdistance >= 0) | ||
1286 : | { | ||
1287 : | KF_min_size = bytes2 * (100 - codec->config.kfreduction) / 100; | ||
1288 : | if (KF_min_size < 1) | ||
1289 : | KF_min_size = 1; | ||
1290 : | |||
1291 : | bytes2 = KF_min_size + (bytes2 - KF_min_size) * KFdistance / | ||
1292 : | (codec->config.kftreshold - codec->config.min_key_interval); | ||
1293 : | |||
1294 : | if (bytes2 < 1) | ||
1295 : | bytes2 = 1; | ||
1296 : | } | ||
1297 : | } | ||
1298 : | } | ||
1299 : | |||
1300 : | h | 102 | // Foxer: scale overflow in relation to average size, so smaller frames don't get |
1301 : | // too much/little bitrate | ||
1302 : | suxen_drol | 660 | overflow = (int)((double)overflow * bytes2 / twopass->average_pframe); |
1303 : | h | 102 | |
1304 : | // Foxer: reign in overflow with huge frames | ||
1305 : | if (labs(overflow) > labs(twopass->overflow)) | ||
1306 : | { | ||
1307 : | overflow = twopass->overflow; | ||
1308 : | } | ||
1309 : | |||
1310 : | // Foxer: make sure overflow doesn't run away | ||
1311 : | h | 109 | if (overflow > bytes2 * codec->config.twopass_max_overflow_improvement / 100) |
1312 : | h | 102 | { |
1313 : | h | 109 | bytes2 += (overflow <= bytes2) ? bytes2 * codec->config.twopass_max_overflow_improvement / 100 : |
1314 : | overflow * codec->config.twopass_max_overflow_improvement / 100; | ||
1315 : | h | 102 | } |
1316 : | h | 109 | else if (overflow < bytes2 * codec->config.twopass_max_overflow_degradation / -100) |
1317 : | h | 102 | { |
1318 : | h | 109 | bytes2 += bytes2 * codec->config.twopass_max_overflow_degradation / -100; |
1319 : | h | 102 | } |
1320 : | else | ||
1321 : | { | ||
1322 : | bytes2 += overflow; | ||
1323 : | } | ||
1324 : | |||
1325 : | h | 109 | if (bytes2 > twopass->max_framesize) |
1326 : | { | ||
1327 : | capped_to_max_framesize = 1; | ||
1328 : | bytes2 = twopass->max_framesize; | ||
1329 : | } | ||
1330 : | |||
1331 : | h | 552 | // make sure to not scale below the minimum framesize |
1332 : | if (twopass->nns1.quant & NNSTATS_KEYFRAME) | ||
1333 : | h | 102 | { |
1334 : | h | 552 | if (bytes2 < twopass->minisize) |
1335 : | bytes2 = twopass->minisize; | ||
1336 : | h | 102 | } |
1337 : | suxen_drol | 660 | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1338 : | { | ||
1339 : | if (bytes2 < twopass->minbsize) | ||
1340 : | bytes2 = twopass->minbsize; | ||
1341 : | } | ||
1342 : | else | ||
1343 : | { | ||
1344 : | if (bytes2 < twopass->minpsize) | ||
1345 : | bytes2 = twopass->minpsize; | ||
1346 : | } | ||
1347 : | h | 102 | |
1348 : | twopass->bytes1 = bytes1; | ||
1349 : | twopass->bytes2 = bytes2; | ||
1350 : | |||
1351 : | // very 'simple' quant<->filesize relationship | ||
1352 : | frame->quant = ((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * bytes1) / bytes2; | ||
1353 : | |||
1354 : | if (frame->quant < 1) | ||
1355 : | { | ||
1356 : | frame->quant = 1; | ||
1357 : | } | ||
1358 : | else if (frame->quant > 31) | ||
1359 : | { | ||
1360 : | frame->quant = 31; | ||
1361 : | } | ||
1362 : | suxen_drol | 660 | else if (!(frame->intra==1)) |
1363 : | h | 102 | { |
1364 : | // Foxer: aid desired quantizer precision by accumulating decision error | ||
1365 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1366 : | { | ||
1367 : | bquant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * | ||
1368 : | bytes1) / bytes2) - frame->quant; | ||
1369 : | h | 102 | |
1370 : | suxen_drol | 660 | if (bquant_error[frame->quant] >= 1.0) |
1371 : | { | ||
1372 : | bquant_error[frame->quant] -= 1.0; | ||
1373 : | ++frame->quant; | ||
1374 : | } | ||
1375 : | } | ||
1376 : | else | ||
1377 : | h | 102 | { |
1378 : | suxen_drol | 660 | pquant_error[frame->quant] += ((double)((twopass->nns1.quant & ~NNSTATS_KEYFRAME) * |
1379 : | bytes1) / bytes2) - frame->quant; | ||
1380 : | |||
1381 : | if (pquant_error[frame->quant] >= 1.0) | ||
1382 : | { | ||
1383 : | pquant_error[frame->quant] -= 1.0; | ||
1384 : | ++frame->quant; | ||
1385 : | } | ||
1386 : | h | 102 | } |
1387 : | } | ||
1388 : | |||
1389 : | // we're done with credits | ||
1390 : | if (codec_is_in_credits(&codec->config, codec->framenum)) | ||
1391 : | { | ||
1392 : | return ICERR_OK; | ||
1393 : | } | ||
1394 : | |||
1395 : | suxen_drol | 660 | if ((frame->intra==1)) |
1396 : | h | 102 | { |
1397 : | if (frame->quant < codec->config.min_iquant) | ||
1398 : | { | ||
1399 : | frame->quant = codec->config.min_iquant; | ||
1400 : | DEBUG2P("I-frame quantizer raised"); | ||
1401 : | } | ||
1402 : | if (frame->quant > codec->config.max_iquant) | ||
1403 : | { | ||
1404 : | frame->quant = codec->config.max_iquant; | ||
1405 : | DEBUG2P("I-frame quantizer lowered"); | ||
1406 : | } | ||
1407 : | } | ||
1408 : | else | ||
1409 : | { | ||
1410 : | if (frame->quant > codec->config.max_pquant) | ||
1411 : | { | ||
1412 : | frame->quant = codec->config.max_pquant; | ||
1413 : | } | ||
1414 : | if (frame->quant < codec->config.min_pquant) | ||
1415 : | { | ||
1416 : | frame->quant = codec->config.min_pquant; | ||
1417 : | } | ||
1418 : | |||
1419 : | // subsequent frame quants can only be +- 2 | ||
1420 : | suxen_drol | 660 | if ((last_pquant || last_bquant) && capped_to_max_framesize == 0) |
1421 : | h | 102 | { |
1422 : | suxen_drol | 660 | if (twopass->nns1.dd_v & NNSTATS_BFRAME) |
1423 : | h | 102 | { |
1424 : | suxen_drol | 660 | // this bframe quantizer variation |
1425 : | // restriction needs to be redone. | ||
1426 : | if (frame->quant > last_bquant + 2) | ||
1427 : | { | ||
1428 : | frame->quant = last_bquant + 2; | ||
1429 : | DEBUG2P("B-frame quantizer prevented from rising too steeply"); | ||
1430 : | } | ||
1431 : | if (frame->quant < last_bquant - 2) | ||
1432 : | { | ||
1433 : | frame->quant = last_bquant - 2; | ||
1434 : | DEBUG2P("B-frame quantizer prevented from falling too steeply"); | ||
1435 : | } | ||
1436 : | h | 102 | } |
1437 : | suxen_drol | 660 | else |
1438 : | h | 102 | { |
1439 : | suxen_drol | 660 | if (frame->quant > last_pquant + 2) |
1440 : | { | ||
1441 : | frame->quant = last_pquant + 2; | ||
1442 : | DEBUG2P("P-frame quantizer prevented from rising too steeply"); | ||
1443 : | } | ||
1444 : | if (frame->quant < last_pquant - 2) | ||
1445 : | { | ||
1446 : | frame->quant = last_pquant - 2; | ||
1447 : | DEBUG2P("P-frame quantizer prevented from falling too steeply"); | ||
1448 : | } | ||
1449 : | h | 102 | } |
1450 : | } | ||
1451 : | } | ||
1452 : | |||
1453 : | h | 109 | if (capped_to_max_framesize == 0) |
1454 : | suxen_drol | 660 | { |
1455 : | suxen_drol | 679 | if (twopass->nns1.quant & NNSTATS_KEYFRAME) |
1456 : | { | ||
1457 : | suxen_drol | 660 | last_bquant = frame->quant; |
1458 : | suxen_drol | 679 | last_pquant = frame->quant; |
1459 : | } | ||
1460 : | else if (twopass->nns1.dd_v & NNSTATS_BFRAME) | ||
1461 : | last_bquant = frame->quant; | ||
1462 : | suxen_drol | 660 | else |
1463 : | last_pquant = frame->quant; | ||
1464 : | } | ||
1465 : | h | 102 | |
1466 : | if (codec->config.quant_type == QUANT_MODE_MOD) | ||
1467 : | { | ||
1468 : | frame->general |= (frame->quant < 4) ? XVID_MPEGQUANT : XVID_H263QUANT; | ||
1469 : | frame->general &= (frame->quant < 4) ? ~XVID_H263QUANT : ~XVID_MPEGQUANT; | ||
1470 : | } | ||
1471 : | suxen_drol | 660 | /* |
1472 : | if (codec->config.quant_type == QUANT_MODE_MOD_NEW) | ||
1473 : | { | ||
1474 : | frame->general |= (frame->quant < 4) ? XVID_H263QUANT : XVID_MPEGQUANT; | ||
1475 : | frame->general &= (frame->quant < 4) ? ~XVID_MPEGQUANT : ~XVID_H263QUANT; | ||
1476 : | } | ||
1477 : | */ | ||
1478 : | h | 102 | return ICERR_OK; |
1479 : | } | ||
1480 : | |||
1481 : | |||
1482 : | int codec_2pass_update(CODEC* codec, XVID_ENC_FRAME* frame, XVID_ENC_STATS* stats) | ||
1483 : | { | ||
1484 : | static __int64 total_size; | ||
1485 : | |||
1486 : | NNSTATS nns1; | ||
1487 : | DWORD wrote; | ||
1488 : | Foxer | 342 | int credits_pos, tempdiv; |
1489 : | h | 102 | char* quant_type; |
1490 : | suxen_drol | 660 | char* frame_type; |
1491 : | h | 102 | |
1492 : | if (codec->framenum == 0) | ||
1493 : | { | ||
1494 : | total_size = 0; | ||
1495 : | } | ||
1496 : | |||
1497 : | quant_type = (frame->general & XVID_H263QUANT) ? "H.263" : | ||
1498 : | ((frame->general & XVID_MPEGQUANT) && (frame->general & XVID_CUSTOM_QMATRIX)) ? | ||
1499 : | "Cust" : "MPEG"; | ||
1500 : | |||
1501 : | switch (codec->config.mode) | ||
1502 : | { | ||
1503 : | case DLG_MODE_2PASS_1 : | ||
1504 : | nns1.bytes = frame->length; // total bytes | ||
1505 : | nns1.dd_v = stats->hlength; // header bytes | ||
1506 : | |||
1507 : | nns1.dd_u = nns1.dd_y = 0; | ||
1508 : | nns1.dk_v = nns1.dk_u = nns1.dk_y = 0; | ||
1509 : | nns1.md_u = nns1.md_y = 0; | ||
1510 : | nns1.mk_u = nns1.mk_y = 0; | ||
1511 : | |||
1512 : | h | 127 | // nns1.quant = stats->quant; |
1513 : | nns1.quant = 2; // ugly fix for lumi masking in 1st pass returning new quant | ||
1514 : | suxen_drol | 660 | nns1.lum_noise[0] = nns1.lum_noise[1] = 1; |
1515 : | frame_type="inter"; | ||
1516 : | if (frame->intra==1) { | ||
1517 : | h | 102 | nns1.quant |= NNSTATS_KEYFRAME; |
1518 : | suxen_drol | 660 | frame_type="intra"; |
1519 : | h | 102 | } |
1520 : | suxen_drol | 660 | else if (frame->intra==2) { |
1521 : | nns1.dd_v |= NNSTATS_BFRAME; | ||
1522 : | frame_type="bframe"; | ||
1523 : | } | ||
1524 : | else if (frame->intra==3) { | ||
1525 : | nns1.dd_v |= NNSTATS_SKIPFRAME; | ||
1526 : | frame_type="skiped"; | ||
1527 : | } | ||
1528 : | else if (frame->intra==4) { | ||
1529 : | nns1.dd_v |= NNSTATS_PADFRAME; | ||
1530 : | frame_type="padded"; | ||
1531 : | } | ||
1532 : | else if (frame->intra==5) { | ||
1533 : | nns1.dd_v |= NNSTATS_DELAYFRAME; | ||
1534 : | frame_type="delayed"; | ||
1535 : | } | ||
1536 : | h | 102 | nns1.kblk = stats->kblks; |
1537 : | nns1.mblk = stats->mblks; | ||
1538 : | nns1.ublk = stats->ublks; | ||
1539 : | |||
1540 : | total_size += frame->length; | ||
1541 : | |||
1542 : | suxen_drol | 660 | DEBUG1ST(frame->length, (int)total_size/1024, frame_type, frame->quant, quant_type, stats->kblks, stats->mblks) |
1543 : | h | 102 | |
1544 : | suxen_drol | 660 | |
1545 : | h | 102 | if (WriteFile(codec->twopass.stats1, &nns1, sizeof(NNSTATS), &wrote, 0) == 0 || wrote != sizeof(NNSTATS)) |
1546 : | { | ||
1547 : | DEBUGERR("stats1: WriteFile error"); | ||
1548 : | return ICERR_ERROR; | ||
1549 : | } | ||
1550 : | break; | ||
1551 : | |||
1552 : | case DLG_MODE_2PASS_2_INT : | ||
1553 : | case DLG_MODE_2PASS_2_EXT : | ||
1554 : | h | 105 | credits_pos = codec_is_in_credits(&codec->config, codec->framenum); |
1555 : | suxen_drol | 660 | if (!(codec->twopass.nns1.dd_v & NNSTATS_SKIPFRAME) && |
1556 : | !(codec->twopass.nns1.dd_v & NNSTATS_PADFRAME) && | ||
1557 : | !(codec->twopass.nns1.dd_v & NNSTATS_DELAYFRAME)) | ||
1558 : | Foxer | 342 | { |
1559 : | suxen_drol | 660 | if (!credits_pos) |
1560 : | Foxer | 342 | { |
1561 : | suxen_drol | 660 | codec->twopass.quant_count[frame->quant]++; |
1562 : | if ((codec->twopass.nns1.quant & NNSTATS_KEYFRAME)) | ||
1563 : | { | ||
1564 : | // calculate how much to distribute per frame in | ||
1565 : | // order to make up for this keyframe's overflow | ||
1566 : | Foxer | 365 | |
1567 : | suxen_drol | 660 | codec->twopass.overflow += codec->twopass.KFoverflow; |
1568 : | codec->twopass.KFoverflow = codec->twopass.desired_bytes2 - frame->length; | ||
1569 : | h | 105 | |
1570 : | suxen_drol | 660 | tempdiv = (codec->twopass.keyframe_locations[codec->twopass.KF_idx] - |
1571 : | codec->twopass.keyframe_locations[codec->twopass.KF_idx - 1]); | ||
1572 : | Foxer | 342 | |
1573 : | suxen_drol | 660 | if (tempdiv > 1) |
1574 : | { | ||
1575 : | // non-consecutive keyframes | ||
1576 : | codec->twopass.KFoverflow_partial = codec->twopass.KFoverflow / (tempdiv - 1); | ||
1577 : | } | ||
1578 : | else | ||
1579 : | { | ||
1580 : | // consecutive keyframes | ||
1581 : | codec->twopass.overflow += codec->twopass.KFoverflow; | ||
1582 : | codec->twopass.KFoverflow = 0; | ||
1583 : | codec->twopass.KFoverflow_partial = 0; | ||
1584 : | } | ||
1585 : | codec->twopass.KF_idx++; | ||
1586 : | Foxer | 342 | } |
1587 : | else | ||
1588 : | { | ||
1589 : | suxen_drol | 660 | // distribute part of the keyframe overflow |
1590 : | |||
1591 : | codec->twopass.overflow += codec->twopass.desired_bytes2 - frame->length + | ||
1592 : | codec->twopass.KFoverflow_partial; | ||
1593 : | codec->twopass.KFoverflow -= codec->twopass.KFoverflow_partial; | ||
1594 : | Foxer | 342 | } |
1595 : | } | ||
1596 : | else | ||
1597 : | { | ||
1598 : | suxen_drol | 660 | codec->twopass.overflow += codec->twopass.desired_bytes2 - frame->length; |
1599 : | Foxer | 365 | |
1600 : | suxen_drol | 660 | // ugly fix for credits.. |
1601 : | codec->twopass.overflow += codec->twopass.KFoverflow; | ||
1602 : | codec->twopass.KFoverflow = 0; | ||
1603 : | codec->twopass.KFoverflow_partial = 0; | ||
1604 : | // end of ugly fix. | ||
1605 : | Foxer | 342 | } |
1606 : | } | ||
1607 : | |||
1608 : | suxen_drol | 660 | frame_type="inter"; |
1609 : | if (frame->intra==1) { | ||
1610 : | frame_type="intra"; | ||
1611 : | Foxer | 342 | } |
1612 : | suxen_drol | 660 | else if (codec->twopass.nns1.dd_v & NNSTATS_BFRAME) { |
1613 : | frame_type="bframe"; | ||
1614 : | } | ||
1615 : | else if (codec->twopass.nns1.dd_v & NNSTATS_SKIPFRAME) { | ||
1616 : | frame_type="skipped"; | ||
1617 : | frame->quant = 2; | ||
1618 : | suxen_drol | 679 | codec->twopass.bytes1 = 1; |
1619 : | codec->twopass.desired_bytes2 = 1; | ||
1620 : | frame->length = 1; | ||
1621 : | suxen_drol | 660 | } |
1622 : | else if (codec->twopass.nns1.dd_v & NNSTATS_PADFRAME) { | ||
1623 : | frame_type="padded"; | ||
1624 : | frame->quant = 2; | ||
1625 : | suxen_drol | 679 | codec->twopass.bytes1 = 7; |
1626 : | codec->twopass.desired_bytes2 = 7; | ||
1627 : | frame->length = 7; | ||
1628 : | suxen_drol | 660 | } |
1629 : | else if (codec->twopass.nns1.dd_v & NNSTATS_DELAYFRAME) { | ||
1630 : | frame_type="delayed"; | ||
1631 : | frame->quant = 2; | ||
1632 : | suxen_drol | 679 | codec->twopass.bytes1 = 1; |
1633 : | codec->twopass.desired_bytes2 = 1; | ||
1634 : | frame->length = 1; | ||
1635 : | suxen_drol | 660 | } |
1636 : | Foxer | 342 | |
1637 : | suxen_drol | 660 | DEBUG2ND(frame->quant, quant_type, frame_type, codec->twopass.bytes1, codec->twopass.desired_bytes2, frame->length, codec->twopass.overflow, credits_pos) |
1638 : | h | 102 | break; |
1639 : | |||
1640 : | default: | ||
1641 : | break; | ||
1642 : | } | ||
1643 : | |||
1644 : | return ICERR_OK; | ||
1645 : | } | ||
1646 : | |||
1647 : | h | 105 | void codec_2pass_finish(CODEC* codec) |
1648 : | { | ||
1649 : | int i; | ||
1650 : | char s[100]; | ||
1651 : | suxen_drol | 660 | |
1652 : | if (codec->twopass.nns1_array) | ||
1653 : | suxen_drol | 679 | { |
1654 : | suxen_drol | 660 | free(codec->twopass.nns1_array); |
1655 : | suxen_drol | 679 | codec->twopass.nns1_array = NULL; |
1656 : | } | ||
1657 : | suxen_drol | 660 | if (codec->twopass.nns2_array) |
1658 : | suxen_drol | 679 | { |
1659 : | suxen_drol | 660 | free(codec->twopass.nns2_array); |
1660 : | suxen_drol | 679 | codec->twopass.nns2_array = NULL; |
1661 : | } | ||
1662 : | suxen_drol | 660 | codec->twopass.nns_array_size = 0; |
1663 : | codec->twopass.nns_array_length = 0; | ||
1664 : | codec->twopass.nns_array_pos = 0; | ||
1665 : | |||
1666 : | h | 105 | if (codec->config.mode == DLG_MODE_2PASS_2_EXT || codec->config.mode == DLG_MODE_2PASS_2_INT) |
1667 : | { | ||
1668 : | // output the quantizer distribution for this encode. | ||
1669 : | h | 102 | |
1670 : | h | 105 | OutputDebugString("Quantizer distribution for 2nd pass:"); |
1671 : | for (i=1; i<=31; i++) | ||
1672 : | { | ||
1673 : | if (codec->twopass.quant_count[i]) | ||
1674 : | { | ||
1675 : | wsprintf(s, "Q:%i:%i", i, codec->twopass.quant_count[i]); | ||
1676 : | OutputDebugString(s); | ||
1677 : | } | ||
1678 : | } | ||
1679 : | return; | ||
1680 : | } | ||
1681 : | h | 552 | } |
1682 : |
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