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ratecontrol: K&R cosmetic formatting

Luca Barbato committed 13 years ago

Commit f61272f1 parent f6804c31 file · +591 −486Browse files

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libavcodec/ratecontrol.c+591−486
@@ -40,34 +40,51 @@ · 39 unmodified lines
40#endif40#endif
41 41
42static int init_pass2(MpegEncContext *s);42static int init_pass2(MpegEncContext *s);
43static double get_qscale(MpegEncContext *s, RateControlEntry *rce, double rate_factor, int frame_num);43static double get_qscale(MpegEncContext *s, RateControlEntry *rce,
44 double rate_factor, int frame_num);
44 45
45void ff_write_pass1_stats(MpegEncContext *s){46void ff_write_pass1_stats(MpegEncContext *s)
46 snprintf(s->avctx->stats_out, 256, "in:%d out:%d type:%d q:%d itex:%d ptex:%d mv:%d misc:%d fcode:%d bcode:%d mc-var:%d var:%d icount:%d skipcount:%d hbits:%d;\n",47{
47 s->current_picture_ptr->f.display_picture_number, s->current_picture_ptr->f.coded_picture_number, s->pict_type,48 snprintf(s->avctx->stats_out, 256,
48 s->current_picture.f.quality, s->i_tex_bits, s->p_tex_bits, s->mv_bits, s->misc_bits,49 "in:%d out:%d type:%d q:%d itex:%d ptex:%d mv:%d misc:%d "
49 s->f_code, s->b_code, s->current_picture.mc_mb_var_sum, s->current_picture.mb_var_sum, s->i_count, s->skip_count, s->header_bits);50 "fcode:%d bcode:%d mc-var:%d var:%d icount:%d skipcount:%d hbits:%d;\n",
51 s->current_picture_ptr->f.display_picture_number,
52 s->current_picture_ptr->f.coded_picture_number,
53 s->pict_type,
54 s->current_picture.f.quality,
55 s->i_tex_bits,
56 s->p_tex_bits,
57 s->mv_bits,
58 s->misc_bits,
59 s->f_code,
60 s->b_code,
61 s->current_picture.mc_mb_var_sum,
62 s->current_picture.mb_var_sum,
63 s->i_count, s->skip_count,
64 s->header_bits);
50}65}
51 66
52static inline double qp2bits(RateControlEntry *rce, double qp){67static inline double qp2bits(RateControlEntry *rce, double qp)
53 if(qp<=0.0){68{
69 if (qp <= 0.0) {
54 av_log(NULL, AV_LOG_ERROR, "qp<=0.0\n");70 av_log(NULL, AV_LOG_ERROR, "qp<=0.0\n");
55 }71 }
56 return rce->qscale * (double)(rce->i_tex_bits + rce->p_tex_bits+1)/ qp;72 return rce->qscale * (double)(rce->i_tex_bits + rce->p_tex_bits + 1) / qp;
57}73}
58 74
59static inline double bits2qp(RateControlEntry *rce, double bits){75static inline double bits2qp(RateControlEntry *rce, double bits)
60 if(bits<0.9){76{
77 if (bits < 0.9) {
61 av_log(NULL, AV_LOG_ERROR, "bits<0.9\n");78 av_log(NULL, AV_LOG_ERROR, "bits<0.9\n");
62 }79 }
63 return rce->qscale * (double)(rce->i_tex_bits + rce->p_tex_bits+1)/ bits;80 return rce->qscale * (double)(rce->i_tex_bits + rce->p_tex_bits + 1) / bits;
64}81}
65 82
66int ff_rate_control_init(MpegEncContext *s)83int ff_rate_control_init(MpegEncContext *s)
67{84{
68 RateControlContext *rcc= &s->rc_context;85 RateControlContext *rcc = &s->rc_context;
69 int i, res;86 int i, res;
70 static const char * const const_names[]={87 static const char * const const_names[] = {
71 "PI",88 "PI",
72 "E",89 "E",
73 "iTex",90 "iTex",
@@ -83,10 +100,12 @@ int ff_rate_control_init(MpegEncContext *s) · 9 unmodified lines
83 "isB",100 "isB",
84 "avgQP",101 "avgQP",
85 "qComp",102 "qComp",
86/* "lastIQP",103#if 0
104 "lastIQP",
87 "lastPQP",105 "lastPQP",
88 "lastBQP",106 "lastBQP",
89 "nextNonBQP",*/107 "nextNonBQP",
108#endif
90 "avgIITex",109 "avgIITex",
91 "avgPITex",110 "avgPITex",
92 "avgPPTex",111 "avgPPTex",
@@ -94,156 +113,172 @@ int ff_rate_control_init(MpegEncContext *s) · 1 unmodified line
94 "avgTex",113 "avgTex",
95 NULL114 NULL
96 };115 };
97 static double (* const func1[])(void *, double)={116 static double (* const func1[])(void *, double) = {
98 (void *)bits2qp,117 (void *)bits2qp,
99 (void *)qp2bits,118 (void *)qp2bits,
100 NULL119 NULL
101 };120 };
102 static const char * const func1_names[]={121 static const char * const func1_names[] = {
103 "bits2qp",122 "bits2qp",
104 "qp2bits",123 "qp2bits",
105 NULL124 NULL
106 };125 };
107 emms_c();126 emms_c();
108 127
109 res = av_expr_parse(&rcc->rc_eq_eval, s->avctx->rc_eq ? s->avctx->rc_eq : "tex^qComp", const_names, func1_names, func1, NULL, NULL, 0, s->avctx);128 res = av_expr_parse(&rcc->rc_eq_eval,
129 s->avctx->rc_eq ? s->avctx->rc_eq : "tex^qComp",
130 const_names, func1_names, func1,
131 NULL, NULL, 0, s->avctx);
110 if (res < 0) {132 if (res < 0) {
111 av_log(s->avctx, AV_LOG_ERROR, "Error parsing rc_eq \"%s\"\n", s->avctx->rc_eq);133 av_log(s->avctx, AV_LOG_ERROR, "Error parsing rc_eq \"%s\"\n", s->avctx->rc_eq);
112 return res;134 return res;
113 }135 }
114 136
115 for(i=0; i<5; i++){137 for (i = 0; i < 5; i++) {
116 rcc->pred[i].coeff= FF_QP2LAMBDA * 7.0;138 rcc->pred[i].coeff = FF_QP2LAMBDA * 7.0;
117 rcc->pred[i].count= 1.0;139 rcc->pred[i].count = 1.0;
118 140 rcc->pred[i].decay = 0.4;
119 rcc->pred[i].decay= 0.4;141
120 rcc->i_cplx_sum [i]=142 rcc->i_cplx_sum [i] =
121 rcc->p_cplx_sum [i]=143 rcc->p_cplx_sum [i] =
122 rcc->mv_bits_sum[i]=144 rcc->mv_bits_sum[i] =
123 rcc->qscale_sum [i]=145 rcc->qscale_sum [i] =
124 rcc->frame_count[i]= 1; // 1 is better because of 1/0 and such146 rcc->frame_count[i] = 1; // 1 is better because of 1/0 and such
125 rcc->last_qscale_for[i]=FF_QP2LAMBDA * 5;147
148 rcc->last_qscale_for[i] = FF_QP2LAMBDA * 5;
126 }149 }
127 rcc->buffer_index= s->avctx->rc_initial_buffer_occupancy;150 rcc->buffer_index = s->avctx->rc_initial_buffer_occupancy;
128 151
129 if(s->flags&CODEC_FLAG_PASS2){152 if (s->flags & CODEC_FLAG_PASS2) {
130 int i;153 int i;
131 char *p;154 char *p;
132 155
133 /* find number of pics */156 /* find number of pics */
134 p= s->avctx->stats_in;157 p = s->avctx->stats_in;
135 for(i=-1; p; i++){158 for (i = -1; p; i++)
136 p= strchr(p+1, ';');159 p = strchr(p + 1, ';');
137 }160 i += s->max_b_frames;
138 i+= s->max_b_frames;161 if (i <= 0 || i >= INT_MAX / sizeof(RateControlEntry))
139 if(i<=0 || i>=INT_MAX / sizeof(RateControlEntry))
140 return -1;162 return -1;
141 rcc->entry = av_mallocz(i*sizeof(RateControlEntry));163 rcc->entry = av_mallocz(i * sizeof(RateControlEntry));
142 rcc->num_entries= i;164 rcc->num_entries = i;
143 165
144 /* init all to skipped p frames (with b frames we might have a not encoded frame at the end FIXME) */166 /* init all to skipped p frames
145 for(i=0; i<rcc->num_entries; i++){167 * (with b frames we might have a not encoded frame at the end FIXME) */
146 RateControlEntry *rce= &rcc->entry[i];168 for (i = 0; i < rcc->num_entries; i++) {
147 rce->pict_type= rce->new_pict_type=AV_PICTURE_TYPE_P;169 RateControlEntry *rce = &rcc->entry[i];
148 rce->qscale= rce->new_qscale=FF_QP2LAMBDA * 2;170
149 rce->misc_bits= s->mb_num + 10;171 rce->pict_type = rce->new_pict_type = AV_PICTURE_TYPE_P;
150 rce->mb_var_sum= s->mb_num*100;172 rce->qscale = rce->new_qscale = FF_QP2LAMBDA * 2;
173 rce->misc_bits = s->mb_num + 10;
174 rce->mb_var_sum = s->mb_num * 100;
151 }175 }
152 176
153 /* read stats */177 /* read stats */
154 p= s->avctx->stats_in;178 p = s->avctx->stats_in;
155 for(i=0; i<rcc->num_entries - s->max_b_frames; i++){179 for (i = 0; i < rcc->num_entries - s->max_b_frames; i++) {
156 RateControlEntry *rce;180 RateControlEntry *rce;
157 int picture_number;181 int picture_number;
158 int e;182 int e;
159 char *next;183 char *next;
160 184
161 next= strchr(p, ';');185 next = strchr(p, ';');
162 if(next){186 if (next) {
163 (*next)=0; //sscanf in unbelievably slow on looong strings //FIXME copy / do not write187 (*next) = 0; // sscanf in unbelievably slow on looong strings // FIXME copy / do not write
164 next++;188 next++;
165 }189 }
166 e= sscanf(p, " in:%d ", &picture_number);190 e = sscanf(p, " in:%d ", &picture_number);
167 191
168 assert(picture_number >= 0);192 assert(picture_number >= 0);
169 assert(picture_number < rcc->num_entries);193 assert(picture_number < rcc->num_entries);
170 rce= &rcc->entry[picture_number];194 rce = &rcc->entry[picture_number];
171 195
172 e+=sscanf(p, " in:%*d out:%*d type:%d q:%f itex:%d ptex:%d mv:%d misc:%d fcode:%d bcode:%d mc-var:%d var:%d icount:%d skipcount:%d hbits:%d",196 e += sscanf(p, " in:%*d out:%*d type:%d q:%f itex:%d ptex:%d mv:%d misc:%d fcode:%d bcode:%d mc-var:%d var:%d icount:%d skipcount:%d hbits:%d",
173 &rce->pict_type, &rce->qscale, &rce->i_tex_bits, &rce->p_tex_bits, &rce->mv_bits, &rce->misc_bits,197 &rce->pict_type, &rce->qscale, &rce->i_tex_bits, &rce->p_tex_bits,
174 &rce->f_code, &rce->b_code, &rce->mc_mb_var_sum, &rce->mb_var_sum, &rce->i_count, &rce->skip_count, &rce->header_bits);198 &rce->mv_bits, &rce->misc_bits,
175 if(e!=14){199 &rce->f_code, &rce->b_code,
176 av_log(s->avctx, AV_LOG_ERROR, "statistics are damaged at line %d, parser out=%d\n", i, e);200 &rce->mc_mb_var_sum, &rce->mb_var_sum,
201 &rce->i_count, &rce->skip_count, &rce->header_bits);
202 if (e != 14) {
203 av_log(s->avctx, AV_LOG_ERROR,
204 "statistics are damaged at line %d, parser out=%d\n",
205 i, e);
177 return -1;206 return -1;
178 }207 }
179 208
180 p= next;209 p = next;
181 }210 }
182 211
183 if(init_pass2(s) < 0) return -1;212 if (init_pass2(s) < 0)
213 return -1;
184 214
185 //FIXME maybe move to end215 // FIXME maybe move to end
186 if((s->flags&CODEC_FLAG_PASS2) && s->avctx->rc_strategy == FF_RC_STRATEGY_XVID) {216 if ((s->flags & CODEC_FLAG_PASS2) && s->avctx->rc_strategy == FF_RC_STRATEGY_XVID) {
187#if CONFIG_LIBXVID217#if CONFIG_LIBXVID
188 return ff_xvid_rate_control_init(s);218 return ff_xvid_rate_control_init(s);
189#else219#else
190 av_log(s->avctx, AV_LOG_ERROR, "Xvid ratecontrol requires libavcodec compiled with Xvid support.\n");220 av_log(s->avctx, AV_LOG_ERROR,
221 "Xvid ratecontrol requires libavcodec compiled with Xvid support.\n");
191 return -1;222 return -1;
192#endif223#endif
193 }224 }
194 }225 }
195 226
196 if(!(s->flags&CODEC_FLAG_PASS2)){227 if (!(s->flags & CODEC_FLAG_PASS2)) {
228 rcc->short_term_qsum = 0.001;
229 rcc->short_term_qcount = 0.001;
197 230
198 rcc->short_term_qsum=0.001;231 rcc->pass1_rc_eq_output_sum = 0.001;
199 rcc->short_term_qcount=0.001;232 rcc->pass1_wanted_bits = 0.001;
200 233
201 rcc->pass1_rc_eq_output_sum= 0.001;234 if (s->avctx->qblur > 1.0) {
202 rcc->pass1_wanted_bits=0.001;
203
204 if(s->avctx->qblur > 1.0){
205 av_log(s->avctx, AV_LOG_ERROR, "qblur too large\n");235 av_log(s->avctx, AV_LOG_ERROR, "qblur too large\n");
206 return -1;236 return -1;
207 }237 }
208 /* init stuff with the user specified complexity */238 /* init stuff with the user specified complexity */
209 if(s->avctx->rc_initial_cplx){239 if (s->avctx->rc_initial_cplx) {
210 for(i=0; i<60*30; i++){240 for (i = 0; i < 60 * 30; i++) {
211 double bits= s->avctx->rc_initial_cplx * (i/10000.0 + 1.0)*s->mb_num;241 double bits = s->avctx->rc_initial_cplx * (i / 10000.0 + 1.0) * s->mb_num;
212 RateControlEntry rce;242 RateControlEntry rce;
213 243
214 if (i%((s->gop_size+3)/4)==0) rce.pict_type= AV_PICTURE_TYPE_I;244 if (i % ((s->gop_size + 3) / 4) == 0)
215 else if(i%(s->max_b_frames+1)) rce.pict_type= AV_PICTURE_TYPE_B;245 rce.pict_type = AV_PICTURE_TYPE_I;
216 else rce.pict_type= AV_PICTURE_TYPE_P;246 else if (i % (s->max_b_frames + 1))
217 247 rce.pict_type = AV_PICTURE_TYPE_B;
218 rce.new_pict_type= rce.pict_type;248 else
219 rce.mc_mb_var_sum= bits*s->mb_num/100000;249 rce.pict_type = AV_PICTURE_TYPE_P;
220 rce.mb_var_sum = s->mb_num;250
221 rce.qscale = FF_QP2LAMBDA * 2;251 rce.new_pict_type = rce.pict_type;
222 rce.f_code = 2;252 rce.mc_mb_var_sum = bits * s->mb_num / 100000;
223 rce.b_code = 1;253 rce.mb_var_sum = s->mb_num;
224 rce.misc_bits= 1;254
225 255 rce.qscale = FF_QP2LAMBDA * 2;
226 if(s->pict_type== AV_PICTURE_TYPE_I){256 rce.f_code = 2;
227 rce.i_count = s->mb_num;257 rce.b_code = 1;
228 rce.i_tex_bits= bits;258 rce.misc_bits = 1;
229 rce.p_tex_bits= 0;259
230 rce.mv_bits= 0;260 if (s->pict_type == AV_PICTURE_TYPE_I) {
231 }else{261 rce.i_count = s->mb_num;
232 rce.i_count = 0; //FIXME we do know this approx262 rce.i_tex_bits = bits;
233 rce.i_tex_bits= 0;263 rce.p_tex_bits = 0;
234 rce.p_tex_bits= bits*0.9;264 rce.mv_bits = 0;
235 rce.mv_bits= bits*0.1;265 } else {
266 rce.i_count = 0; // FIXME we do know this approx
267 rce.i_tex_bits = 0;
268 rce.p_tex_bits = bits * 0.9;
269 rce.mv_bits = bits * 0.1;
236 }270 }
237 rcc->i_cplx_sum [rce.pict_type] += rce.i_tex_bits*rce.qscale;271 rcc->i_cplx_sum[rce.pict_type] += rce.i_tex_bits * rce.qscale;
238 rcc->p_cplx_sum [rce.pict_type] += rce.p_tex_bits*rce.qscale;272 rcc->p_cplx_sum[rce.pict_type] += rce.p_tex_bits * rce.qscale;
239 rcc->mv_bits_sum[rce.pict_type] += rce.mv_bits;273 rcc->mv_bits_sum[rce.pict_type] += rce.mv_bits;
240 rcc->frame_count[rce.pict_type] ++;274 rcc->frame_count[rce.pict_type]++;
275
276 get_qscale(s, &rce, rcc->pass1_wanted_bits / rcc->pass1_rc_eq_output_sum, i);
241 277
242 get_qscale(s, &rce, rcc->pass1_wanted_bits/rcc->pass1_rc_eq_output_sum, i);278 // FIXME misbehaves a little for variable fps
243 rcc->pass1_wanted_bits+= s->bit_rate/(1/av_q2d(s->avctx->time_base)); //FIXME misbehaves a little for variable fps279 rcc->pass1_wanted_bits += s->bit_rate / (1 / av_q2d(s->avctx->time_base));
244 }280 }
245 }281 }
246
247 }282 }
248 283
249 return 0;284 return 0;
@@ -251,47 +286,49 @@ int ff_rate_control_init(MpegEncContext *s) · 1 unmodified line
251 286
252void ff_rate_control_uninit(MpegEncContext *s)287void ff_rate_control_uninit(MpegEncContext *s)
253{288{
254 RateControlContext *rcc= &s->rc_context;289 RateControlContext *rcc = &s->rc_context;
255 emms_c();290 emms_c();
256 291
257 av_expr_free(rcc->rc_eq_eval);292 av_expr_free(rcc->rc_eq_eval);
258 av_freep(&rcc->entry);293 av_freep(&rcc->entry);
259 294
260#if CONFIG_LIBXVID295#if CONFIG_LIBXVID
261 if((s->flags&CODEC_FLAG_PASS2) && s->avctx->rc_strategy == FF_RC_STRATEGY_XVID)296 if ((s->flags & CODEC_FLAG_PASS2) && s->avctx->rc_strategy == FF_RC_STRATEGY_XVID)
262 ff_xvid_rate_control_uninit(s);297 ff_xvid_rate_control_uninit(s);
263#endif298#endif
264}299}
265 300
266int ff_vbv_update(MpegEncContext *s, int frame_size){301int ff_vbv_update(MpegEncContext *s, int frame_size)
267 RateControlContext *rcc= &s->rc_context;302{
268 const double fps= 1/av_q2d(s->avctx->time_base);303 RateControlContext *rcc = &s->rc_context;
269 const int buffer_size= s->avctx->rc_buffer_size;304 const double fps = 1 / av_q2d(s->avctx->time_base);
270 const double min_rate= s->avctx->rc_min_rate/fps;305 const int buffer_size = s->avctx->rc_buffer_size;
271 const double max_rate= s->avctx->rc_max_rate/fps;306 const double min_rate = s->avctx->rc_min_rate / fps;
307 const double max_rate = s->avctx->rc_max_rate / fps;
272 308
273 av_dlog(s, "%d %f %d %f %f\n",309 av_dlog(s, "%d %f %d %f %f\n",
274 buffer_size, rcc->buffer_index, frame_size, min_rate, max_rate);310 buffer_size, rcc->buffer_index, frame_size, min_rate, max_rate);
275 if(buffer_size){311
312 if (buffer_size) {
276 int left;313 int left;
277 314
278 rcc->buffer_index-= frame_size;315 rcc->buffer_index -= frame_size;
279 if(rcc->buffer_index < 0){316 if (rcc->buffer_index < 0) {
280 av_log(s->avctx, AV_LOG_ERROR, "rc buffer underflow\n");317 av_log(s->avctx, AV_LOG_ERROR, "rc buffer underflow\n");
281 rcc->buffer_index= 0;318 rcc->buffer_index = 0;
282 }319 }
283 320
284 left= buffer_size - rcc->buffer_index - 1;321 left = buffer_size - rcc->buffer_index - 1;
285 rcc->buffer_index += av_clip(left, min_rate, max_rate);322 rcc->buffer_index += av_clip(left, min_rate, max_rate);
286 323
287 if(rcc->buffer_index > buffer_size){324 if (rcc->buffer_index > buffer_size) {
288 int stuffing= ceil((rcc->buffer_index - buffer_size)/8);325 int stuffing = ceil((rcc->buffer_index - buffer_size) / 8);
289 326
290 if(stuffing < 4 && s->codec_id == AV_CODEC_ID_MPEG4)327 if (stuffing < 4 && s->codec_id == AV_CODEC_ID_MPEG4)
291 stuffing=4;328 stuffing = 4;
292 rcc->buffer_index -= 8*stuffing;329 rcc->buffer_index -= 8 * stuffing;
293 330
294 if(s->avctx->debug & FF_DEBUG_RC)331 if (s->avctx->debug & FF_DEBUG_RC)
295 av_log(s->avctx, AV_LOG_DEBUG, "stuffing %d bytes\n", stuffing);332 av_log(s->avctx, AV_LOG_DEBUG, "stuffing %d bytes\n", stuffing);
296 333
297 return stuffing;334 return stuffing;
@@ -303,34 +340,38 @@ int ff_vbv_update(MpegEncContext *s, int frame_size){ · 5 unmodified lines
303/**340/**
304 * Modify the bitrate curve from pass1 for one frame.341 * Modify the bitrate curve from pass1 for one frame.
305 */342 */
306static double get_qscale(MpegEncContext *s, RateControlEntry *rce, double rate_factor, int frame_num){343static double get_qscale(MpegEncContext *s, RateControlEntry *rce,
307 RateControlContext *rcc= &s->rc_context;344 double rate_factor, int frame_num)
308 AVCodecContext *a= s->avctx;345{
346 RateControlContext *rcc = &s->rc_context;
347 AVCodecContext *a = s->avctx;
348 const int pict_type = rce->new_pict_type;
349 const double mb_num = s->mb_num;
309 double q, bits;350 double q, bits;
310 const int pict_type= rce->new_pict_type;
311 const double mb_num= s->mb_num;
312 int i;351 int i;
313 352
314 double const_values[]={353 double const_values[] = {
315 M_PI,354 M_PI,
316 M_E,355 M_E,
317 rce->i_tex_bits*rce->qscale,356 rce->i_tex_bits * rce->qscale,
318 rce->p_tex_bits*rce->qscale,357 rce->p_tex_bits * rce->qscale,
319 (rce->i_tex_bits + rce->p_tex_bits)*(double)rce->qscale,358 (rce->i_tex_bits + rce->p_tex_bits) * (double)rce->qscale,
320 rce->mv_bits/mb_num,359 rce->mv_bits / mb_num,
321 rce->pict_type == AV_PICTURE_TYPE_B ? (rce->f_code + rce->b_code)*0.5 : rce->f_code,360 rce->pict_type == AV_PICTURE_TYPE_B ? (rce->f_code + rce->b_code) * 0.5 : rce->f_code,
322 rce->i_count/mb_num,361 rce->i_count / mb_num,
323 rce->mc_mb_var_sum/mb_num,362 rce->mc_mb_var_sum / mb_num,
324 rce->mb_var_sum/mb_num,363 rce->mb_var_sum / mb_num,
325 rce->pict_type == AV_PICTURE_TYPE_I,364 rce->pict_type == AV_PICTURE_TYPE_I,
326 rce->pict_type == AV_PICTURE_TYPE_P,365 rce->pict_type == AV_PICTURE_TYPE_P,
327 rce->pict_type == AV_PICTURE_TYPE_B,366 rce->pict_type == AV_PICTURE_TYPE_B,
328 rcc->qscale_sum[pict_type] / (double)rcc->frame_count[pict_type],367 rcc->qscale_sum[pict_type] / (double)rcc->frame_count[pict_type],
329 a->qcompress,368 a->qcompress,
330/* rcc->last_qscale_for[AV_PICTURE_TYPE_I],369#if 0
370 rcc->last_qscale_for[AV_PICTURE_TYPE_I],
331 rcc->last_qscale_for[AV_PICTURE_TYPE_P],371 rcc->last_qscale_for[AV_PICTURE_TYPE_P],
332 rcc->last_qscale_for[AV_PICTURE_TYPE_B],372 rcc->last_qscale_for[AV_PICTURE_TYPE_B],
333 rcc->next_non_b_qscale,*/373 rcc->next_non_b_qscale,
374#endif
334 rcc->i_cplx_sum[AV_PICTURE_TYPE_I] / (double)rcc->frame_count[AV_PICTURE_TYPE_I],375 rcc->i_cplx_sum[AV_PICTURE_TYPE_I] / (double)rcc->frame_count[AV_PICTURE_TYPE_I],
335 rcc->i_cplx_sum[AV_PICTURE_TYPE_P] / (double)rcc->frame_count[AV_PICTURE_TYPE_P],376 rcc->i_cplx_sum[AV_PICTURE_TYPE_P] / (double)rcc->frame_count[AV_PICTURE_TYPE_P],
336 rcc->p_cplx_sum[AV_PICTURE_TYPE_P] / (double)rcc->frame_count[AV_PICTURE_TYPE_P],377 rcc->p_cplx_sum[AV_PICTURE_TYPE_P] / (double)rcc->frame_count[AV_PICTURE_TYPE_P],
@@ -345,61 +386,71 @@ static double get_qscale(MpegEncContext *s, RateControlEntry *rce, double rate_f · 8 unmodified lines
345 return -1;386 return -1;
346 }387 }
347 388
348 rcc->pass1_rc_eq_output_sum+= bits;389 rcc->pass1_rc_eq_output_sum += bits;
349 bits*=rate_factor;390 bits *= rate_factor;
350 if(bits<0.0) bits=0.0;391 if (bits < 0.0)
351 bits+= 1.0; //avoid 1/0 issues392 bits = 0.0;
393 bits += 1.0; // avoid 1/0 issues
352 394
353 /* user override */395 /* user override */
354 for(i=0; i<s->avctx->rc_override_count; i++){396 for (i = 0; i < s->avctx->rc_override_count; i++) {
355 RcOverride *rco= s->avctx->rc_override;397 RcOverride *rco = s->avctx->rc_override;
356 if(rco[i].start_frame > frame_num) continue;398 if (rco[i].start_frame > frame_num)
357 if(rco[i].end_frame < frame_num) continue;399 continue;
358 400 if (rco[i].end_frame < frame_num)
359 if(rco[i].qscale)401 continue;
360 bits= qp2bits(rce, rco[i].qscale); //FIXME move at end to really force it?402
403 if (rco[i].qscale)
404 bits = qp2bits(rce, rco[i].qscale); // FIXME move at end to really force it?
361 else405 else
362 bits*= rco[i].quality_factor;406 bits *= rco[i].quality_factor;
363 }407 }
364 408
365 q= bits2qp(rce, bits);409 q = bits2qp(rce, bits);
366 410
367 /* I/B difference */411 /* I/B difference */
368 if (pict_type==AV_PICTURE_TYPE_I && s->avctx->i_quant_factor<0.0)412 if (pict_type == AV_PICTURE_TYPE_I && s->avctx->i_quant_factor < 0.0)
369 q= -q*s->avctx->i_quant_factor + s->avctx->i_quant_offset;413 q = -q * s->avctx->i_quant_factor + s->avctx->i_quant_offset;
370 else if(pict_type==AV_PICTURE_TYPE_B && s->avctx->b_quant_factor<0.0)414 else if (pict_type == AV_PICTURE_TYPE_B && s->avctx->b_quant_factor < 0.0)
371 q= -q*s->avctx->b_quant_factor + s->avctx->b_quant_offset;415 q = -q * s->avctx->b_quant_factor + s->avctx->b_quant_offset;
372 if(q<1) q=1;416 if (q < 1)
417 q = 1;
373 418
374 return q;419 return q;
375}420}
376 421
377static double get_diff_limited_q(MpegEncContext *s, RateControlEntry *rce, double q){422static double get_diff_limited_q(MpegEncContext *s, RateControlEntry *rce, double q)
378 RateControlContext *rcc= &s->rc_context;423{
379 AVCodecContext *a= s->avctx;424 RateControlContext *rcc = &s->rc_context;
380 const int pict_type= rce->new_pict_type;425 AVCodecContext *a = s->avctx;
381 const double last_p_q = rcc->last_qscale_for[AV_PICTURE_TYPE_P];426 const int pict_type = rce->new_pict_type;
382 const double last_non_b_q= rcc->last_qscale_for[rcc->last_non_b_pict_type];427 const double last_p_q = rcc->last_qscale_for[AV_PICTURE_TYPE_P];
383 428 const double last_non_b_q = rcc->last_qscale_for[rcc->last_non_b_pict_type];
384 if (pict_type==AV_PICTURE_TYPE_I && (a->i_quant_factor>0.0 || rcc->last_non_b_pict_type==AV_PICTURE_TYPE_P))429
385 q= last_p_q *FFABS(a->i_quant_factor) + a->i_quant_offset;430 if (pict_type == AV_PICTURE_TYPE_I &&
386 else if(pict_type==AV_PICTURE_TYPE_B && a->b_quant_factor>0.0)431 (a->i_quant_factor > 0.0 || rcc->last_non_b_pict_type == AV_PICTURE_TYPE_P))
387 q= last_non_b_q* a->b_quant_factor + a->b_quant_offset;432 q = last_p_q * FFABS(a->i_quant_factor) + a->i_quant_offset;
388 if(q<1) q=1;433 else if (pict_type == AV_PICTURE_TYPE_B &&
434 a->b_quant_factor > 0.0)
435 q = last_non_b_q * a->b_quant_factor + a->b_quant_offset;
436 if (q < 1)
437 q = 1;
389 438
390 /* last qscale / qdiff stuff */439 /* last qscale / qdiff stuff */
391 if(rcc->last_non_b_pict_type==pict_type || pict_type!=AV_PICTURE_TYPE_I){440 if (rcc->last_non_b_pict_type == pict_type || pict_type != AV_PICTURE_TYPE_I) {
392 double last_q= rcc->last_qscale_for[pict_type];441 double last_q = rcc->last_qscale_for[pict_type];
393 const int maxdiff= FF_QP2LAMBDA * a->max_qdiff;442 const int maxdiff = FF_QP2LAMBDA * a->max_qdiff;
394 443
395 if (q > last_q + maxdiff) q= last_q + maxdiff;444 if (q > last_q + maxdiff)
396 else if(q < last_q - maxdiff) q= last_q - maxdiff;445 q = last_q + maxdiff;
446 else if (q < last_q - maxdiff)
447 q = last_q - maxdiff;
397 }448 }
398 449
399 rcc->last_qscale_for[pict_type]= q; //Note we cannot do that after blurring450 rcc->last_qscale_for[pict_type] = q; // Note we cannot do that after blurring
400 451
401 if(pict_type!=AV_PICTURE_TYPE_B)452 if (pict_type != AV_PICTURE_TYPE_B)
402 rcc->last_non_b_pict_type= pict_type;453 rcc->last_non_b_pict_type = pict_type;
403 454
404 return q;455 return q;
405}456}
@@ -407,239 +458,269 @@ static double get_diff_limited_q(MpegEncContext *s, RateControlEntry *rce, doubl · 1 unmodified line
407/**458/**
408 * Get the qmin & qmax for pict_type.459 * Get the qmin & qmax for pict_type.
409 */460 */
410static void get_qminmax(int *qmin_ret, int *qmax_ret, MpegEncContext *s, int pict_type){461static void get_qminmax(int *qmin_ret, int *qmax_ret, MpegEncContext *s, int pict_type)
411 int qmin= s->avctx->lmin;462{
412 int qmax= s->avctx->lmax;463 int qmin = s->avctx->lmin;
464 int qmax = s->avctx->lmax;
413 465
414 assert(qmin <= qmax);466 assert(qmin <= qmax);
415 467
416 if(pict_type==AV_PICTURE_TYPE_B){468 switch (pict_type) {
417 qmin= (int)(qmin*FFABS(s->avctx->b_quant_factor)+s->avctx->b_quant_offset + 0.5);469 case AV_PICTURE_TYPE_B:
418 qmax= (int)(qmax*FFABS(s->avctx->b_quant_factor)+s->avctx->b_quant_offset + 0.5);470 qmin = (int)(qmin * FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset + 0.5);
419 }else if(pict_type==AV_PICTURE_TYPE_I){471 qmax = (int)(qmax * FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset + 0.5);
420 qmin= (int)(qmin*FFABS(s->avctx->i_quant_factor)+s->avctx->i_quant_offset + 0.5);472 break;
421 qmax= (int)(qmax*FFABS(s->avctx->i_quant_factor)+s->avctx->i_quant_offset + 0.5);473 case AV_PICTURE_TYPE_I:
474 qmin = (int)(qmin * FFABS(s->avctx->i_quant_factor) + s->avctx->i_quant_offset + 0.5);
475 qmax = (int)(qmax * FFABS(s->avctx->i_quant_factor) + s->avctx->i_quant_offset + 0.5);
476 break;
422 }477 }
423 478
424 qmin= av_clip(qmin, 1, FF_LAMBDA_MAX);479 qmin = av_clip(qmin, 1, FF_LAMBDA_MAX);
425 qmax= av_clip(qmax, 1, FF_LAMBDA_MAX);480 qmax = av_clip(qmax, 1, FF_LAMBDA_MAX);
426 481
427 if(qmax<qmin) qmax= qmin;482 if (qmax < qmin)
483 qmax = qmin;
428 484
429 *qmin_ret= qmin;485 *qmin_ret = qmin;
430 *qmax_ret= qmax;486 *qmax_ret = qmax;
431}487}
432 488
433static double modify_qscale(MpegEncContext *s, RateControlEntry *rce, double q, int frame_num){489static double modify_qscale(MpegEncContext *s, RateControlEntry *rce,
434 RateControlContext *rcc= &s->rc_context;490 double q, int frame_num)
491{
492 RateControlContext *rcc = &s->rc_context;
493 const double buffer_size = s->avctx->rc_buffer_size;
494 const double fps = 1 / av_q2d(s->avctx->time_base);
495 const double min_rate = s->avctx->rc_min_rate / fps;
496 const double max_rate = s->avctx->rc_max_rate / fps;
497 const int pict_type = rce->new_pict_type;
435 int qmin, qmax;498 int qmin, qmax;
436 const int pict_type= rce->new_pict_type;
437 const double buffer_size= s->avctx->rc_buffer_size;
438 const double fps= 1/av_q2d(s->avctx->time_base);
439 const double min_rate= s->avctx->rc_min_rate / fps;
440 const double max_rate= s->avctx->rc_max_rate / fps;
441 499
442 get_qminmax(&qmin, &qmax, s, pict_type);500 get_qminmax(&qmin, &qmax, s, pict_type);
443 501
444 /* modulation */502 /* modulation */
445 if(s->avctx->rc_qmod_freq && frame_num%s->avctx->rc_qmod_freq==0 && pict_type==AV_PICTURE_TYPE_P)503 if (s->avctx->rc_qmod_freq &&
446 q*= s->avctx->rc_qmod_amp;504 frame_num % s->avctx->rc_qmod_freq == 0 &&
505 pict_type == AV_PICTURE_TYPE_P)
506 q *= s->avctx->rc_qmod_amp;
447 507
448 /* buffer overflow/underflow protection */508 /* buffer overflow/underflow protection */
449 if(buffer_size){509 if (buffer_size) {
450 double expected_size= rcc->buffer_index;510 double expected_size = rcc->buffer_index;
451 double q_limit;511 double q_limit;
452 512
453 if(min_rate){513 if (min_rate) {
454 double d= 2*(buffer_size - expected_size)/buffer_size;514 double d = 2 * (buffer_size - expected_size) / buffer_size;
455 if(d>1.0) d=1.0;515 if (d > 1.0)
456 else if(d<0.0001) d=0.0001;516 d = 1.0;
457 q*= pow(d, 1.0/s->avctx->rc_buffer_aggressivity);517 else if (d < 0.0001)
458 518 d = 0.0001;
459 q_limit= bits2qp(rce, FFMAX((min_rate - buffer_size + rcc->buffer_index) * s->avctx->rc_min_vbv_overflow_use, 1));519 q *= pow(d, 1.0 / s->avctx->rc_buffer_aggressivity);
460 if(q > q_limit){520
461 if(s->avctx->debug&FF_DEBUG_RC){521 q_limit = bits2qp(rce,
462 av_log(s->avctx, AV_LOG_DEBUG, "limiting QP %f -> %f\n", q, q_limit);522 FFMAX((min_rate - buffer_size + rcc->buffer_index) *
463 }523 s->avctx->rc_min_vbv_overflow_use, 1));
464 q= q_limit;524
525 if (q > q_limit) {
526 if (s->avctx->debug & FF_DEBUG_RC)
527 av_log(s->avctx, AV_LOG_DEBUG,
528 "limiting QP %f -> %f\n", q, q_limit);
529 q = q_limit;
465 }530 }
466 }531 }
467 532
468 if(max_rate){533 if (max_rate) {
469 double d= 2*expected_size/buffer_size;534 double d = 2 * expected_size / buffer_size;
470 if(d>1.0) d=1.0;535 if (d > 1.0)
471 else if(d<0.0001) d=0.0001;536 d = 1.0;
472 q/= pow(d, 1.0/s->avctx->rc_buffer_aggressivity);537 else if (d < 0.0001)
473 538 d = 0.0001;
474 q_limit= bits2qp(rce, FFMAX(rcc->buffer_index * s->avctx->rc_max_available_vbv_use, 1));539 q /= pow(d, 1.0 / s->avctx->rc_buffer_aggressivity);
475 if(q < q_limit){540
476 if(s->avctx->debug&FF_DEBUG_RC){541 q_limit = bits2qp(rce,
477 av_log(s->avctx, AV_LOG_DEBUG, "limiting QP %f -> %f\n", q, q_limit);542 FFMAX(rcc->buffer_index *
478 }543 s->avctx->rc_max_available_vbv_use,
479 q= q_limit;544 1));
545 if (q < q_limit) {
546 if (s->avctx->debug & FF_DEBUG_RC)
547 av_log(s->avctx, AV_LOG_DEBUG,
548 "limiting QP %f -> %f\n", q, q_limit);
549 q = q_limit;
480 }550 }
481 }551 }
482 }552 }
483 av_dlog(s, "q:%f max:%f min:%f size:%f index:%f agr:%f\n",553 av_dlog(s, "q:%f max:%f min:%f size:%f index:%f agr:%f\n",
484 q, max_rate, min_rate, buffer_size, rcc->buffer_index,554 q, max_rate, min_rate, buffer_size, rcc->buffer_index,
485 s->avctx->rc_buffer_aggressivity);555 s->avctx->rc_buffer_aggressivity);
486 if(s->avctx->rc_qsquish==0.0 || qmin==qmax){556 if (s->avctx->rc_qsquish == 0.0 || qmin == qmax) {
487 if (q<qmin) q=qmin;557 if (q < qmin)
488 else if(q>qmax) q=qmax;558 q = qmin;
489 }else{559 else if (q > qmax)
490 double min2= log(qmin);560 q = qmax;
491 double max2= log(qmax);561 } else {
492 562 double min2 = log(qmin);
493 q= log(q);563 double max2 = log(qmax);
494 q= (q - min2)/(max2-min2) - 0.5;564
495 q*= -4.0;565 q = log(q);
496 q= 1.0/(1.0 + exp(q));566 q = (q - min2) / (max2 - min2) - 0.5;
497 q= q*(max2-min2) + min2;567 q *= -4.0;
498 568 q = 1.0 / (1.0 + exp(q));
499 q= exp(q);569 q = q * (max2 - min2) + min2;
570
571 q = exp(q);
500 }572 }
501 573
502 return q;574 return q;
503}575}
504 576
505//----------------------------------577// ----------------------------------
506// 1 Pass Code578// 1 Pass Code
507 579
508static double predict_size(Predictor *p, double q, double var)580static double predict_size(Predictor *p, double q, double var)
509{581{
510 return p->coeff*var / (q*p->count);582 return p->coeff * var / (q * p->count);
511}583}
512 584
513static void update_predictor(Predictor *p, double q, double var, double size)585static void update_predictor(Predictor *p, double q, double var, double size)
514{586{
515 double new_coeff= size*q / (var + 1);587 double new_coeff = size * q / (var + 1);
516 if(var<10) return;588 if (var < 10)
589 return;
517 590
518 p->count*= p->decay;591 p->count *= p->decay;
519 p->coeff*= p->decay;592 p->coeff *= p->decay;
520 p->count++;593 p->count++;
521 p->coeff+= new_coeff;594 p->coeff += new_coeff;
522}595}
523 596
524static void adaptive_quantization(MpegEncContext *s, double q){597static void adaptive_quantization(MpegEncContext *s, double q)
598{
525 int i;599 int i;
526 const float lumi_masking= s->avctx->lumi_masking / (128.0*128.0);600 const float lumi_masking = s->avctx->lumi_masking / (128.0 * 128.0);
527 const float dark_masking= s->avctx->dark_masking / (128.0*128.0);601 const float dark_masking = s->avctx->dark_masking / (128.0 * 128.0);
528 const float temp_cplx_masking= s->avctx->temporal_cplx_masking;602 const float temp_cplx_masking = s->avctx->temporal_cplx_masking;
529 const float spatial_cplx_masking = s->avctx->spatial_cplx_masking;603 const float spatial_cplx_masking = s->avctx->spatial_cplx_masking;
530 const float p_masking = s->avctx->p_masking;604 const float p_masking = s->avctx->p_masking;
531 const float border_masking = s->avctx->border_masking;605 const float border_masking = s->avctx->border_masking;
532 float bits_sum= 0.0;606 float bits_sum = 0.0;
533 float cplx_sum= 0.0;607 float cplx_sum = 0.0;
534 float *cplx_tab = s->cplx_tab;608 float *cplx_tab = s->cplx_tab;
535 float *bits_tab = s->bits_tab;609 float *bits_tab = s->bits_tab;
536 const int qmin= s->avctx->mb_lmin;610 const int qmin = s->avctx->mb_lmin;
537 const int qmax= s->avctx->mb_lmax;611 const int qmax = s->avctx->mb_lmax;
538 Picture * const pic= &s->current_picture;612 Picture *const pic = &s->current_picture;
539 const int mb_width = s->mb_width;613 const int mb_width = s->mb_width;
540 const int mb_height = s->mb_height;614 const int mb_height = s->mb_height;
541 615
542 for(i=0; i<s->mb_num; i++){616 for (i = 0; i < s->mb_num; i++) {
543 const int mb_xy= s->mb_index2xy[i];617 const int mb_xy = s->mb_index2xy[i];
544 float temp_cplx= sqrt(pic->mc_mb_var[mb_xy]); //FIXME merge in pow()618 float temp_cplx = sqrt(pic->mc_mb_var[mb_xy]); // FIXME merge in pow()
545 float spat_cplx= sqrt(pic->mb_var[mb_xy]);619 float spat_cplx = sqrt(pic->mb_var[mb_xy]);
546 const int lumi= pic->mb_mean[mb_xy];620 const int lumi = pic->mb_mean[mb_xy];
547 float bits, cplx, factor;621 float bits, cplx, factor;
548 int mb_x = mb_xy % s->mb_stride;622 int mb_x = mb_xy % s->mb_stride;
549 int mb_y = mb_xy / s->mb_stride;623 int mb_y = mb_xy / s->mb_stride;
550 int mb_distance;624 int mb_distance;
551 float mb_factor = 0.0;625 float mb_factor = 0.0;
552 if(spat_cplx < 4) spat_cplx= 4; //FIXME finetune626 if (spat_cplx < 4)
553 if(temp_cplx < 4) temp_cplx= 4; //FIXME finetune627 spat_cplx = 4; // FIXME finetune
554 628 if (temp_cplx < 4)
555 if((s->mb_type[mb_xy]&CANDIDATE_MB_TYPE_INTRA)){//FIXME hq mode629 temp_cplx = 4; // FIXME finetune
556 cplx= spat_cplx;630
557 factor= 1.0 + p_masking;631 if ((s->mb_type[mb_xy] & CANDIDATE_MB_TYPE_INTRA)) { // FIXME hq mode
558 }else{632 cplx = spat_cplx;
559 cplx= temp_cplx;633 factor = 1.0 + p_masking;
560 factor= pow(temp_cplx, - temp_cplx_masking);634 } else {
635 cplx = temp_cplx;
636 factor = pow(temp_cplx, -temp_cplx_masking);
561 }637 }
562 factor*=pow(spat_cplx, - spatial_cplx_masking);638 factor *= pow(spat_cplx, -spatial_cplx_masking);
563 639
564 if(lumi>127)640 if (lumi > 127)
565 factor*= (1.0 - (lumi-128)*(lumi-128)*lumi_masking);641 factor *= (1.0 - (lumi - 128) * (lumi - 128) * lumi_masking);
566 else642 else
567 factor*= (1.0 - (lumi-128)*(lumi-128)*dark_masking);643 factor *= (1.0 - (lumi - 128) * (lumi - 128) * dark_masking);
568 644
569 if(mb_x < mb_width/5){645 if (mb_x < mb_width / 5) {
570 mb_distance = mb_width/5 - mb_x;646 mb_distance = mb_width / 5 - mb_x;
571 mb_factor = (float)mb_distance / (float)(mb_width/5);647 mb_factor = (float)mb_distance / (float)(mb_width / 5);
572 }else if(mb_x > 4*mb_width/5){648 } else if (mb_x > 4 * mb_width / 5) {
573 mb_distance = mb_x - 4*mb_width/5;649 mb_distance = mb_x - 4 * mb_width / 5;
574 mb_factor = (float)mb_distance / (float)(mb_width/5);650 mb_factor = (float)mb_distance / (float)(mb_width / 5);
575 }651 }
576 if(mb_y < mb_height/5){652 if (mb_y < mb_height / 5) {
577 mb_distance = mb_height/5 - mb_y;653 mb_distance = mb_height / 5 - mb_y;
578 mb_factor = FFMAX(mb_factor, (float)mb_distance / (float)(mb_height/5));654 mb_factor = FFMAX(mb_factor,
579 }else if(mb_y > 4*mb_height/5){655 (float)mb_distance / (float)(mb_height / 5));
580 mb_distance = mb_y - 4*mb_height/5;656 } else if (mb_y > 4 * mb_height / 5) {
581 mb_factor = FFMAX(mb_factor, (float)mb_distance / (float)(mb_height/5));657 mb_distance = mb_y - 4 * mb_height / 5;
658 mb_factor = FFMAX(mb_factor,
659 (float)mb_distance / (float)(mb_height / 5));
582 }660 }
583 661
584 factor*= 1.0 - border_masking*mb_factor;662 factor *= 1.0 - border_masking * mb_factor;
585 663
586 if(factor<0.00001) factor= 0.00001;664 if (factor < 0.00001)
665 factor = 0.00001;
587 666
588 bits= cplx*factor;667 bits = cplx * factor;
589 cplx_sum+= cplx;668 cplx_sum += cplx;
590 bits_sum+= bits;669 bits_sum += bits;
591 cplx_tab[i]= cplx;670 cplx_tab[i] = cplx;
592 bits_tab[i]= bits;671 bits_tab[i] = bits;
593 }672 }
594 673
595 /* handle qmin/qmax clipping */674 /* handle qmin/qmax clipping */
596 if(s->flags&CODEC_FLAG_NORMALIZE_AQP){675 if (s->flags & CODEC_FLAG_NORMALIZE_AQP) {
597 float factor= bits_sum/cplx_sum;676 float factor = bits_sum / cplx_sum;
598 for(i=0; i<s->mb_num; i++){677 for (i = 0; i < s->mb_num; i++) {
599 float newq= q*cplx_tab[i]/bits_tab[i];678 float newq = q * cplx_tab[i] / bits_tab[i];
600 newq*= factor;679 newq *= factor;
601 680
602 if (newq > qmax){681 if (newq > qmax) {
603 bits_sum -= bits_tab[i];682 bits_sum -= bits_tab[i];
604 cplx_sum -= cplx_tab[i]*q/qmax;683 cplx_sum -= cplx_tab[i] * q / qmax;
605 }684 } else if (newq < qmin) {
606 else if(newq < qmin){
607 bits_sum -= bits_tab[i];685 bits_sum -= bits_tab[i];
608 cplx_sum -= cplx_tab[i]*q/qmin;686 cplx_sum -= cplx_tab[i] * q / qmin;
609 }687 }
610 }688 }
611 if(bits_sum < 0.001) bits_sum= 0.001;689 if (bits_sum < 0.001)
612 if(cplx_sum < 0.001) cplx_sum= 0.001;690 bits_sum = 0.001;
691 if (cplx_sum < 0.001)
692 cplx_sum = 0.001;
613 }693 }
614 694
615 for(i=0; i<s->mb_num; i++){695 for (i = 0; i < s->mb_num; i++) {
616 const int mb_xy= s->mb_index2xy[i];696 const int mb_xy = s->mb_index2xy[i];
617 float newq= q*cplx_tab[i]/bits_tab[i];697 float newq = q * cplx_tab[i] / bits_tab[i];
618 int intq;698 int intq;
619 699
620 if(s->flags&CODEC_FLAG_NORMALIZE_AQP){700 if (s->flags & CODEC_FLAG_NORMALIZE_AQP) {
621 newq*= bits_sum/cplx_sum;701 newq *= bits_sum / cplx_sum;
622 }702 }
623 703
624 intq= (int)(newq + 0.5);704 intq = (int)(newq + 0.5);
625 705
626 if (intq > qmax) intq= qmax;706 if (intq > qmax)
627 else if(intq < qmin) intq= qmin;707 intq = qmax;
628 s->lambda_table[mb_xy]= intq;708 else if (intq < qmin)
709 intq = qmin;
710 s->lambda_table[mb_xy] = intq;
629 }711 }
630}712}
631 713
632void ff_get_2pass_fcode(MpegEncContext *s){714void ff_get_2pass_fcode(MpegEncContext *s)
633 RateControlContext *rcc= &s->rc_context;715{
634 int picture_number= s->picture_number;716 RateControlContext *rcc = &s->rc_context;
635 RateControlEntry *rce;717 RateControlEntry *rce = &rcc->entry[s->picture_number];
636 718
637 rce= &rcc->entry[picture_number];719 s->f_code = rce->f_code;
638 s->f_code= rce->f_code;720 s->b_code = rce->b_code;
639 s->b_code= rce->b_code;
640}721}
641 722
642//FIXME rd or at least approx for dquant723// FIXME rd or at least approx for dquant
643 724
644float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)725float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
645{726{
@@ -649,249 +730,272 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run) · 3 unmodified lines
649 double diff;730 double diff;
650 double short_term_q;731 double short_term_q;
651 double fps;732 double fps;
652 int picture_number= s->picture_number;733 int picture_number = s->picture_number;
653 int64_t wanted_bits;734 int64_t wanted_bits;
654 RateControlContext *rcc= &s->rc_context;735 RateControlContext *rcc = &s->rc_context;
655 AVCodecContext *a= s->avctx;736 AVCodecContext *a = s->avctx;
656 RateControlEntry local_rce, *rce;737 RateControlEntry local_rce, *rce;
657 double bits;738 double bits;
658 double rate_factor;739 double rate_factor;
659 int var;740 int var;
660 const int pict_type= s->pict_type;741 const int pict_type = s->pict_type;
661 Picture * const pic= &s->current_picture;742 Picture * const pic = &s->current_picture;
662 emms_c();743 emms_c();
663 744
664#if CONFIG_LIBXVID745#if CONFIG_LIBXVID
665 if((s->flags&CODEC_FLAG_PASS2) && s->avctx->rc_strategy == FF_RC_STRATEGY_XVID)746 if ((s->flags & CODEC_FLAG_PASS2) &&
747 s->avctx->rc_strategy == FF_RC_STRATEGY_XVID)
666 return ff_xvid_rate_estimate_qscale(s, dry_run);748 return ff_xvid_rate_estimate_qscale(s, dry_run);
667#endif749#endif
668 750
669 get_qminmax(&qmin, &qmax, s, pict_type);751 get_qminmax(&qmin, &qmax, s, pict_type);
670 752
671 fps= 1/av_q2d(s->avctx->time_base);753 fps = 1 / av_q2d(s->avctx->time_base);
672 /* update predictors */754 /* update predictors */
673 if(picture_number>2 && !dry_run){755 if (picture_number > 2 && !dry_run) {
674 const int last_var= s->last_pict_type == AV_PICTURE_TYPE_I ? rcc->last_mb_var_sum : rcc->last_mc_mb_var_sum;756 const int last_var = s->last_pict_type == AV_PICTURE_TYPE_I ? rcc->last_mb_var_sum
675 update_predictor(&rcc->pred[s->last_pict_type], rcc->last_qscale, sqrt(last_var), s->frame_bits);757 : rcc->last_mc_mb_var_sum;
758 update_predictor(&rcc->pred[s->last_pict_type],
759 rcc->last_qscale,
760 sqrt(last_var), s->frame_bits);
676 }761 }
677 762
678 if(s->flags&CODEC_FLAG_PASS2){763 if (s->flags & CODEC_FLAG_PASS2) {
679 assert(picture_number>=0);764 assert(picture_number >= 0);
680 assert(picture_number<rcc->num_entries);765 assert(picture_number < rcc->num_entries);
681 rce= &rcc->entry[picture_number];766 rce = &rcc->entry[picture_number];
682 wanted_bits= rce->expected_bits;767 wanted_bits = rce->expected_bits;
683 }else{768 } else {
684 Picture *dts_pic;769 Picture *dts_pic;
685 rce= &local_rce;770 rce = &local_rce;
686 771
687 //FIXME add a dts field to AVFrame and ensure its set and use it here instead of reordering772 /* FIXME add a dts field to AVFrame and ensure it is set and use it
688 //but the reordering is simpler for now until h.264 b pyramid must be handeld773 * here instead of reordering but the reordering is simpler for now
689 if(s->pict_type == AV_PICTURE_TYPE_B || s->low_delay)774 * until H.264 B-pyramid must be handled. */
690 dts_pic= s->current_picture_ptr;775 if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay)
776 dts_pic = s->current_picture_ptr;
691 else777 else
692 dts_pic= s->last_picture_ptr;778 dts_pic = s->last_picture_ptr;
693 779
694 if (!dts_pic || dts_pic->f.pts == AV_NOPTS_VALUE)780 if (!dts_pic || dts_pic->f.pts == AV_NOPTS_VALUE)
695 wanted_bits= (uint64_t)(s->bit_rate*(double)picture_number/fps);781 wanted_bits = (uint64_t)(s->bit_rate * (double)picture_number / fps);
696 else782 else
697 wanted_bits = (uint64_t)(s->bit_rate*(double)dts_pic->f.pts / fps);783 wanted_bits = (uint64_t)(s->bit_rate * (double)dts_pic->f.pts / fps);
698 }784 }
699 785
700 diff= s->total_bits - wanted_bits;786 diff = s->total_bits - wanted_bits;
701 br_compensation= (a->bit_rate_tolerance - diff)/a->bit_rate_tolerance;787 br_compensation = (a->bit_rate_tolerance - diff) / a->bit_rate_tolerance;
702 if(br_compensation<=0.0) br_compensation=0.001;788 if (br_compensation <= 0.0)
789 br_compensation = 0.001;
703 790
704 var= pict_type == AV_PICTURE_TYPE_I ? pic->mb_var_sum : pic->mc_mb_var_sum;791 var = pict_type == AV_PICTURE_TYPE_I ? pic->mb_var_sum : pic->mc_mb_var_sum;
705 792
706 short_term_q = 0; /* avoid warning */793 short_term_q = 0; /* avoid warning */
707 if(s->flags&CODEC_FLAG_PASS2){794 if (s->flags & CODEC_FLAG_PASS2) {
708 if(pict_type!=AV_PICTURE_TYPE_I)795 if (pict_type != AV_PICTURE_TYPE_I)
709 assert(pict_type == rce->new_pict_type);796 assert(pict_type == rce->new_pict_type);
710 797
711 q= rce->new_qscale / br_compensation;798 q = rce->new_qscale / br_compensation;
712 av_dlog(s, "%f %f %f last:%d var:%d type:%d//\n", q, rce->new_qscale,799 av_dlog(s, "%f %f %f last:%d var:%d type:%d//\n", q, rce->new_qscale,
713 br_compensation, s->frame_bits, var, pict_type);800 br_compensation, s->frame_bits, var, pict_type);
714 }else{801 } else {
715 rce->pict_type=802 rce->pict_type =
716 rce->new_pict_type= pict_type;803 rce->new_pict_type = pict_type;
717 rce->mc_mb_var_sum= pic->mc_mb_var_sum;804 rce->mc_mb_var_sum = pic->mc_mb_var_sum;
718 rce->mb_var_sum = pic-> mb_var_sum;805 rce->mb_var_sum = pic->mb_var_sum;
719 rce->qscale = FF_QP2LAMBDA * 2;806 rce->qscale = FF_QP2LAMBDA * 2;
720 rce->f_code = s->f_code;807 rce->f_code = s->f_code;
721 rce->b_code = s->b_code;808 rce->b_code = s->b_code;
722 rce->misc_bits= 1;809 rce->misc_bits = 1;
723 810
724 bits= predict_size(&rcc->pred[pict_type], rce->qscale, sqrt(var));811 bits = predict_size(&rcc->pred[pict_type], rce->qscale, sqrt(var));
725 if(pict_type== AV_PICTURE_TYPE_I){812 if (pict_type == AV_PICTURE_TYPE_I) {
726 rce->i_count = s->mb_num;813 rce->i_count = s->mb_num;
727 rce->i_tex_bits= bits;814 rce->i_tex_bits = bits;
728 rce->p_tex_bits= 0;815 rce->p_tex_bits = 0;
729 rce->mv_bits= 0;816 rce->mv_bits = 0;
730 }else{817 } else {
731 rce->i_count = 0; //FIXME we do know this approx818 rce->i_count = 0; // FIXME we do know this approx
732 rce->i_tex_bits= 0;819 rce->i_tex_bits = 0;
733 rce->p_tex_bits= bits*0.9;820 rce->p_tex_bits = bits * 0.9;
734 821 rce->mv_bits = bits * 0.1;
735 rce->mv_bits= bits*0.1;
736 }822 }
737 rcc->i_cplx_sum [pict_type] += rce->i_tex_bits*rce->qscale;823 rcc->i_cplx_sum[pict_type] += rce->i_tex_bits * rce->qscale;
738 rcc->p_cplx_sum [pict_type] += rce->p_tex_bits*rce->qscale;824 rcc->p_cplx_sum[pict_type] += rce->p_tex_bits * rce->qscale;
739 rcc->mv_bits_sum[pict_type] += rce->mv_bits;825 rcc->mv_bits_sum[pict_type] += rce->mv_bits;
740 rcc->frame_count[pict_type] ++;826 rcc->frame_count[pict_type]++;
741 827
742 bits= rce->i_tex_bits + rce->p_tex_bits;828 bits = rce->i_tex_bits + rce->p_tex_bits;
743 rate_factor= rcc->pass1_wanted_bits/rcc->pass1_rc_eq_output_sum * br_compensation;829 rate_factor = rcc->pass1_wanted_bits /
830 rcc->pass1_rc_eq_output_sum * br_compensation;
744 831
745 q= get_qscale(s, rce, rate_factor, picture_number);832 q = get_qscale(s, rce, rate_factor, picture_number);
746 if (q < 0)833 if (q < 0)
747 return -1;834 return -1;
748 835
749 assert(q>0.0);836 assert(q > 0.0);
750 q= get_diff_limited_q(s, rce, q);837 q = get_diff_limited_q(s, rce, q);
751 assert(q>0.0);838 assert(q > 0.0);
752 839
753 if(pict_type==AV_PICTURE_TYPE_P || s->intra_only){ //FIXME type dependent blur like in 2-pass840 // FIXME type dependent blur like in 2-pass
754 rcc->short_term_qsum*=a->qblur;841 if (pict_type == AV_PICTURE_TYPE_P || s->intra_only) {
755 rcc->short_term_qcount*=a->qblur;842 rcc->short_term_qsum *= a->qblur;
843 rcc->short_term_qcount *= a->qblur;
756 844
757 rcc->short_term_qsum+= q;845 rcc->short_term_qsum += q;
758 rcc->short_term_qcount++;846 rcc->short_term_qcount++;
759 q= short_term_q= rcc->short_term_qsum/rcc->short_term_qcount;847 q = short_term_q = rcc->short_term_qsum / rcc->short_term_qcount;
760 }848 }
761 assert(q>0.0);849 assert(q > 0.0);
762 850
763 q= modify_qscale(s, rce, q, picture_number);851 q = modify_qscale(s, rce, q, picture_number);
764 852
765 rcc->pass1_wanted_bits+= s->bit_rate/fps;853 rcc->pass1_wanted_bits += s->bit_rate / fps;
766 854
767 assert(q>0.0);855 assert(q > 0.0);
768 }856 }
769 857
770 if(s->avctx->debug&FF_DEBUG_RC){858 if (s->avctx->debug & FF_DEBUG_RC) {
771 av_log(s->avctx, AV_LOG_DEBUG, "%c qp:%d<%2.1f<%d %d want:%d total:%d comp:%f st_q:%2.2f size:%d var:%d/%d br:%d fps:%d\n",859 av_log(s->avctx, AV_LOG_DEBUG,
772 av_get_picture_type_char(pict_type), qmin, q, qmax, picture_number, (int)wanted_bits/1000, (int)s->total_bits/1000,860 "%c qp:%d<%2.1f<%d %d want:%d total:%d comp:%f st_q:%2.2f "
773 br_compensation, short_term_q, s->frame_bits, pic->mb_var_sum, pic->mc_mb_var_sum, s->bit_rate/1000, (int)fps861 "size:%d var:%d/%d br:%d fps:%d\n",
774 );862 av_get_picture_type_char(pict_type),
863 qmin, q, qmax, picture_number,
864 (int)wanted_bits / 1000, (int)s->total_bits / 1000,
865 br_compensation, short_term_q, s->frame_bits,
866 pic->mb_var_sum, pic->mc_mb_var_sum,
867 s->bit_rate / 1000, (int)fps);
775 }868 }
776 869
777 if (q<qmin) q=qmin;870 if (q < qmin)
778 else if(q>qmax) q=qmax;871 q = qmin;
872 else if (q > qmax)
873 q = qmax;
779 874
780 if(s->adaptive_quant)875 if (s->adaptive_quant)
781 adaptive_quantization(s, q);876 adaptive_quantization(s, q);
782 else877 else
783 q= (int)(q + 0.5);878 q = (int)(q + 0.5);
784 879
785 if(!dry_run){880 if (!dry_run) {
786 rcc->last_qscale= q;881 rcc->last_qscale = q;
787 rcc->last_mc_mb_var_sum= pic->mc_mb_var_sum;882 rcc->last_mc_mb_var_sum = pic->mc_mb_var_sum;
788 rcc->last_mb_var_sum= pic->mb_var_sum;883 rcc->last_mb_var_sum = pic->mb_var_sum;
789 }884 }
790 return q;885 return q;
791}886}
792 887
793//----------------------------------------------888// ----------------------------------------------
794// 2-Pass code889// 2-Pass code
795 890
796static int init_pass2(MpegEncContext *s)891static int init_pass2(MpegEncContext *s)
797{892{
798 RateControlContext *rcc= &s->rc_context;893 RateControlContext *rcc = &s->rc_context;
799 AVCodecContext *a= s->avctx;894 AVCodecContext *a = s->avctx;
800 int i, toobig;895 int i, toobig;
801 double fps= 1/av_q2d(s->avctx->time_base);896 double fps = 1 / av_q2d(s->avctx->time_base);
802 double complexity[5]={0,0,0,0,0}; // approximate bits at quant=1897 double complexity[5] = { 0 }; // approximate bits at quant=1
803 uint64_t const_bits[5]={0,0,0,0,0}; // quantizer independent bits898 uint64_t const_bits[5] = { 0 }; // quantizer independent bits
804 uint64_t all_const_bits;899 uint64_t all_const_bits;
805 uint64_t all_available_bits= (uint64_t)(s->bit_rate*(double)rcc->num_entries/fps);900 uint64_t all_available_bits = (uint64_t)(s->bit_rate *
806 double rate_factor=0;901 (double)rcc->num_entries / fps);
902 double rate_factor = 0;
807 double step;903 double step;
808 //int last_i_frame=-10000000;904 const int filter_size = (int)(a->qblur * 4) | 1;
809 const int filter_size= (int)(a->qblur*4) | 1;
810 double expected_bits;905 double expected_bits;
811 double *qscale, *blurred_qscale, qscale_sum;906 double *qscale, *blurred_qscale, qscale_sum;
812 907
813 /* find complexity & const_bits & decide the pict_types */908 /* find complexity & const_bits & decide the pict_types */
814 for(i=0; i<rcc->num_entries; i++){909 for (i = 0; i < rcc->num_entries; i++) {
815 RateControlEntry *rce= &rcc->entry[i];910 RateControlEntry *rce = &rcc->entry[i];
816 911
817 rce->new_pict_type= rce->pict_type;912 rce->new_pict_type = rce->pict_type;
818 rcc->i_cplx_sum [rce->pict_type] += rce->i_tex_bits*rce->qscale;913 rcc->i_cplx_sum[rce->pict_type] += rce->i_tex_bits * rce->qscale;
819 rcc->p_cplx_sum [rce->pict_type] += rce->p_tex_bits*rce->qscale;914 rcc->p_cplx_sum[rce->pict_type] += rce->p_tex_bits * rce->qscale;
820 rcc->mv_bits_sum[rce->pict_type] += rce->mv_bits;915 rcc->mv_bits_sum[rce->pict_type] += rce->mv_bits;
821 rcc->frame_count[rce->pict_type] ++;916 rcc->frame_count[rce->pict_type]++;
822 917
823 complexity[rce->new_pict_type]+= (rce->i_tex_bits+ rce->p_tex_bits)*(double)rce->qscale;918 complexity[rce->new_pict_type] += (rce->i_tex_bits + rce->p_tex_bits) *
824 const_bits[rce->new_pict_type]+= rce->mv_bits + rce->misc_bits;919 (double)rce->qscale;
920 const_bits[rce->new_pict_type] += rce->mv_bits + rce->misc_bits;
825 }921 }
826 all_const_bits= const_bits[AV_PICTURE_TYPE_I] + const_bits[AV_PICTURE_TYPE_P] + const_bits[AV_PICTURE_TYPE_B];
827 922
828 if(all_available_bits < all_const_bits){923 all_const_bits = const_bits[AV_PICTURE_TYPE_I] +
924 const_bits[AV_PICTURE_TYPE_P] +
925 const_bits[AV_PICTURE_TYPE_B];
926
927 if (all_available_bits < all_const_bits) {
829 av_log(s->avctx, AV_LOG_ERROR, "requested bitrate is too low\n");928 av_log(s->avctx, AV_LOG_ERROR, "requested bitrate is too low\n");
830 return -1;929 return -1;
831 }930 }
832 931
833 qscale= av_malloc(sizeof(double)*rcc->num_entries);932 qscale = av_malloc(sizeof(double) * rcc->num_entries);
834 blurred_qscale= av_malloc(sizeof(double)*rcc->num_entries);933 blurred_qscale = av_malloc(sizeof(double) * rcc->num_entries);
835 toobig = 0;934 toobig = 0;
836 935
837 for(step=256*256; step>0.0000001; step*=0.5){936 for (step = 256 * 256; step > 0.0000001; step *= 0.5) {
838 expected_bits=0;937 expected_bits = 0;
839 rate_factor+= step;938 rate_factor += step;
840 939
841 rcc->buffer_index= s->avctx->rc_buffer_size/2;940 rcc->buffer_index = s->avctx->rc_buffer_size / 2;
842 941
843 /* find qscale */942 /* find qscale */
844 for(i=0; i<rcc->num_entries; i++){943 for (i = 0; i < rcc->num_entries; i++) {
845 RateControlEntry *rce= &rcc->entry[i];944 RateControlEntry *rce = &rcc->entry[i];
846 qscale[i]= get_qscale(s, &rcc->entry[i], rate_factor, i);945
946 qscale[i] = get_qscale(s, &rcc->entry[i], rate_factor, i);
847 rcc->last_qscale_for[rce->pict_type] = qscale[i];947 rcc->last_qscale_for[rce->pict_type] = qscale[i];
848 }948 }
849 assert(filter_size%2==1);949 assert(filter_size % 2 == 1);
850 950
851 /* fixed I/B QP relative to P mode */951 /* fixed I/B QP relative to P mode */
852 for(i=rcc->num_entries-1; i>=0; i--){952 for (i = rcc->num_entries - 1; i >= 0; i--) {
853 RateControlEntry *rce= &rcc->entry[i];953 RateControlEntry *rce = &rcc->entry[i];
854 954
855 qscale[i]= get_diff_limited_q(s, rce, qscale[i]);955 qscale[i] = get_diff_limited_q(s, rce, qscale[i]);
856 }956 }
857 957
858 /* smooth curve */958 /* smooth curve */
859 for(i=0; i<rcc->num_entries; i++){959 for (i = 0; i < rcc->num_entries; i++) {
860 RateControlEntry *rce= &rcc->entry[i];960 RateControlEntry *rce = &rcc->entry[i];
861 const int pict_type= rce->new_pict_type;961 const int pict_type = rce->new_pict_type;
862 int j;962 int j;
863 double q=0.0, sum=0.0;963 double q = 0.0, sum = 0.0;
864 964
865 for(j=0; j<filter_size; j++){965 for (j = 0; j < filter_size; j++) {
866 int index= i+j-filter_size/2;966 int index = i + j - filter_size / 2;
867 double d= index-i;967 double d = index - i;
868 double coeff= a->qblur==0 ? 1.0 : exp(-d*d/(a->qblur * a->qblur));968 double coeff = a->qblur == 0 ? 1.0 : exp(-d * d / (a->qblur * a->qblur));
869 969
870 if(index < 0 || index >= rcc->num_entries) continue;970 if (index < 0 || index >= rcc->num_entries)
871 if(pict_type != rcc->entry[index].new_pict_type) continue;971 continue;
872 q+= qscale[index] * coeff;972 if (pict_type != rcc->entry[index].new_pict_type)
873 sum+= coeff;973 continue;
974 q += qscale[index] * coeff;
975 sum += coeff;
874 }976 }
875 blurred_qscale[i]= q/sum;977 blurred_qscale[i] = q / sum;
876 }978 }
877 979
878 /* find expected bits */980 /* find expected bits */
879 for(i=0; i<rcc->num_entries; i++){981 for (i = 0; i < rcc->num_entries; i++) {
880 RateControlEntry *rce= &rcc->entry[i];982 RateControlEntry *rce = &rcc->entry[i];
881 double bits;983 double bits;
882 rce->new_qscale= modify_qscale(s, rce, blurred_qscale[i], i);
883 bits= qp2bits(rce, rce->new_qscale) + rce->mv_bits + rce->misc_bits;
884 bits += 8*ff_vbv_update(s, bits);
885 984
886 rce->expected_bits= expected_bits;985 rce->new_qscale = modify_qscale(s, rce, blurred_qscale[i], i);
887 expected_bits += bits;986
987 bits = qp2bits(rce, rce->new_qscale) + rce->mv_bits + rce->misc_bits;
988 bits += 8 * ff_vbv_update(s, bits);
989
990 rce->expected_bits = expected_bits;
991 expected_bits += bits;
888 }992 }
889 993
890 av_dlog(s->avctx,994 av_dlog(s->avctx,
891 "expected_bits: %f all_available_bits: %d rate_factor: %f\n",995 "expected_bits: %f all_available_bits: %d rate_factor: %f\n",
892 expected_bits, (int)all_available_bits, rate_factor);996 expected_bits, (int)all_available_bits, rate_factor);
893 if(expected_bits > all_available_bits) {997 if (expected_bits > all_available_bits) {
894 rate_factor-= step;998 rate_factor -= step;
895 ++toobig;999 ++toobig;
896 }1000 }
897 }1001 }
@@ -900,33 +1004,34 @@ static int init_pass2(MpegEncContext *s) · 2 unmodified lines
900 1004
901 /* check bitrate calculations and print info */1005 /* check bitrate calculations and print info */
902 qscale_sum = 0.0;1006 qscale_sum = 0.0;
903 for(i=0; i<rcc->num_entries; i++){1007 for (i = 0; i < rcc->num_entries; i++) {
904 av_dlog(s, "[lavc rc] entry[%d].new_qscale = %.3f qp = %.3f\n",1008 av_dlog(s, "[lavc rc] entry[%d].new_qscale = %.3f qp = %.3f\n",
905 i,1009 i,
906 rcc->entry[i].new_qscale,1010 rcc->entry[i].new_qscale,
907 rcc->entry[i].new_qscale / FF_QP2LAMBDA);1011 rcc->entry[i].new_qscale / FF_QP2LAMBDA);
908 qscale_sum += av_clip(rcc->entry[i].new_qscale / FF_QP2LAMBDA, s->avctx->qmin, s->avctx->qmax);1012 qscale_sum += av_clip(rcc->entry[i].new_qscale / FF_QP2LAMBDA,
1013 s->avctx->qmin, s->avctx->qmax);
909 }1014 }
910 assert(toobig <= 40);1015 assert(toobig <= 40);
911 av_log(s->avctx, AV_LOG_DEBUG,1016 av_log(s->avctx, AV_LOG_DEBUG,
912 "[lavc rc] requested bitrate: %d bps expected bitrate: %d bps\n",1017 "[lavc rc] requested bitrate: %d bps expected bitrate: %d bps\n",
913 s->bit_rate,1018 s->bit_rate,
914 (int)(expected_bits / ((double)all_available_bits/s->bit_rate)));1019 (int)(expected_bits / ((double)all_available_bits / s->bit_rate)));
915 av_log(s->avctx, AV_LOG_DEBUG,1020 av_log(s->avctx, AV_LOG_DEBUG,
916 "[lavc rc] estimated target average qp: %.3f\n",1021 "[lavc rc] estimated target average qp: %.3f\n",
917 (float)qscale_sum / rcc->num_entries);1022 (float)qscale_sum / rcc->num_entries);
918 if (toobig == 0) {1023 if (toobig == 0) {
919 av_log(s->avctx, AV_LOG_INFO,1024 av_log(s->avctx, AV_LOG_INFO,
920 "[lavc rc] Using all of requested bitrate is not "1025 "[lavc rc] Using all of requested bitrate is not "
921 "necessary for this video with these parameters.\n");1026 "necessary for this video with these parameters.\n");
922 } else if (toobig == 40) {1027 } else if (toobig == 40) {
923 av_log(s->avctx, AV_LOG_ERROR,1028 av_log(s->avctx, AV_LOG_ERROR,
924 "[lavc rc] Error: bitrate too low for this video "1029 "[lavc rc] Error: bitrate too low for this video "
925 "with these parameters.\n");1030 "with these parameters.\n");
926 return -1;1031 return -1;
927 } else if (fabs(expected_bits/all_available_bits - 1.0) > 0.01) {1032 } else if (fabs(expected_bits / all_available_bits - 1.0) > 0.01) {
928 av_log(s->avctx, AV_LOG_ERROR,1033 av_log(s->avctx, AV_LOG_ERROR,
929 "[lavc rc] Error: 2pass curve failed to converge\n");1034 "[lavc rc] Error: 2pass curve failed to converge\n");
930 return -1;1035 return -1;
931 }1036 }
932 1037

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