dnxhd 120 interlaced support
[libav.git] / libavcodec / utils.c
CommitLineData
de6d9b64
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1/*
2 * utils for libavcodec
ff4ec49e 3 * Copyright (c) 2001 Fabrice Bellard.
8f2ab833 4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
de6d9b64 5 *
b78e7197
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6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
ff4ec49e
FB
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
b78e7197 11 * version 2.1 of the License, or (at your option) any later version.
de6d9b64 12 *
b78e7197 13 * FFmpeg is distributed in the hope that it will be useful,
de6d9b64 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
de6d9b64 17 *
ff4ec49e 18 * You should have received a copy of the GNU Lesser General Public
b78e7197 19 * License along with FFmpeg; if not, write to the Free Software
5509bffa 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
de6d9b64 21 */
115329f1 22
983e3246
MN
23/**
24 * @file utils.c
25 * utils.
26 */
115329f1 27
de6d9b64 28#include "avcodec.h"
3123dd79 29#include "dsputil.h"
1c2a8c7f 30#include "mpegvideo.h"
4c263142 31#include "integer.h"
6fd46414 32#include "opt.h"
43a80cce 33#include "crc.h"
9b879566 34#include <stdarg.h>
4c263142 35#include <limits.h>
860a40c8 36#include <float.h>
6ffa87d3 37#if !defined(HAVE_MKSTEMP)
1005f542
CH
38#include <fcntl.h>
39#endif
de6d9b64 40
44608ac7
RG
41const uint8_t ff_reverse[256]={
420x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
430x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
440x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
450x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
460x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
470x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
480x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
490x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
500x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
510x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
520x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
530x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
540x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
550x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
560x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
570x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
58};
59
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60static int volatile entangled_thread_counter=0;
61
5c91a675 62void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
8e1e6f31 63{
115329f1 64 if(min_size < *size)
8e1e6f31 65 return ptr;
115329f1 66
0ecca7a4 67 *size= FFMAX(17*min_size/16 + 32, min_size);
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68
69 return av_realloc(ptr, *size);
70}
71
855ea723 72static unsigned int last_static = 0;
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73static unsigned int allocated_static = 0;
74static void** array_static = NULL;
8d1f2ba5 75
8d1f2ba5 76void *av_mallocz_static(unsigned int size)
855ea723 77{
855ea723 78 void *ptr = av_mallocz(size);
855ea723 79
115329f1 80 if(ptr){
4e39ab4c 81 array_static =av_fast_realloc(array_static, &allocated_static, sizeof(void*)*(last_static+1));
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82 if(!array_static)
83 return NULL;
8d1f2ba5 84 array_static[last_static++] = ptr;
855ea723 85 }
8d1f2ba5 86
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87 return ptr;
88}
8d1f2ba5 89
5dad0282 90void *ff_realloc_static(void *ptr, unsigned int size)
073c2593
BP
91{
92 int i;
93 if(!ptr)
94 return av_mallocz_static(size);
95 /* Look for the old ptr */
96 for(i = 0; i < last_static; i++) {
97 if(array_static[i] == ptr) {
98 array_static[i] = av_realloc(array_static[i], size);
99 return array_static[i];
100 }
101 }
102 return NULL;
103
104}
105
4cfbf61b 106void av_free_static(void)
855ea723 107{
8d1f2ba5
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108 while(last_static){
109 av_freep(&array_static[--last_static]);
855ea723 110 }
8d1f2ba5 111 av_freep(&array_static);
855ea723
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112}
113
81c5f887 114/**
32fbf33e
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115 * Call av_free_static automatically before it's too late
116 */
117
ceaf1909 118static void do_free(void) __attribute__ ((destructor));
32fbf33e 119
ceaf1909 120static void do_free(void)
32fbf33e
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121{
122 av_free_static();
123}
124
4d7a0a05 125
de6d9b64 126/* encoder management */
8b69867f 127AVCodec *first_avcodec = NULL;
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128
129void register_avcodec(AVCodec *format)
130{
131 AVCodec **p;
132 p = &first_avcodec;
133 while (*p != NULL) p = &(*p)->next;
134 *p = format;
135 format->next = NULL;
136}
137
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138void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
139 s->coded_width = width;
140 s->coded_height= height;
141 s->width = -((-width )>>s->lowres);
142 s->height= -((-height)>>s->lowres);
143}
144
d90cf87b 145typedef struct InternalBuffer{
1e491e29 146 int last_pic_num;
d90cf87b 147 uint8_t *base[4];
1e491e29 148 uint8_t *data[4];
237e4938 149 int linesize[4];
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150}InternalBuffer;
151
152#define INTERNAL_BUFFER_SIZE 32
1e491e29 153
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154#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
155
156void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
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157 int w_align= 1;
158 int h_align= 1;
159
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160 switch(s->pix_fmt){
161 case PIX_FMT_YUV420P:
71e445fc 162 case PIX_FMT_YUYV422:
ebb177dd 163 case PIX_FMT_UYVY422:
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164 case PIX_FMT_YUV422P:
165 case PIX_FMT_YUV444P:
166 case PIX_FMT_GRAY8:
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167 case PIX_FMT_GRAY16BE:
168 case PIX_FMT_GRAY16LE:
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169 case PIX_FMT_YUVJ420P:
170 case PIX_FMT_YUVJ422P:
171 case PIX_FMT_YUVJ444P:
172 w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
173 h_align= 16;
174 break;
175 case PIX_FMT_YUV411P:
71e445fc 176 case PIX_FMT_UYYVYY411:
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177 w_align=32;
178 h_align=8;
179 break;
180 case PIX_FMT_YUV410P:
181 if(s->codec_id == CODEC_ID_SVQ1){
182 w_align=64;
183 h_align=64;
184 }
d99fbbf4
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185 case PIX_FMT_RGB555:
186 if(s->codec_id == CODEC_ID_RPZA){
187 w_align=4;
188 h_align=4;
189 }
190 case PIX_FMT_PAL8:
191 if(s->codec_id == CODEC_ID_SMC){
192 w_align=4;
193 h_align=4;
194 }
f0bbfc4a 195 break;
c31b8121
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196 case PIX_FMT_BGR24:
197 if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){
198 w_align=4;
199 h_align=4;
200 }
201 break;
f0bbfc4a
MN
202 default:
203 w_align= 1;
204 h_align= 1;
205 break;
206 }
207
208 *width = ALIGN(*width , w_align);
209 *height= ALIGN(*height, h_align);
210}
211
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212int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){
213 if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/4)
214 return 0;
115329f1 215
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216 av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h);
217 return -1;
218}
219
492cd3a9 220int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
1e491e29 221 int i;
f0bbfc4a
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222 int w= s->width;
223 int h= s->height;
d90cf87b 224 InternalBuffer *buf;
237e4938 225 int *picture_number;
0ecca7a4 226
65d999d6
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227 if(pic->data[0]!=NULL) {
228 av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
229 return -1;
230 }
231 if(s->internal_buffer_count >= INTERNAL_BUFFER_SIZE) {
232 av_log(s, AV_LOG_ERROR, "internal_buffer_count overflow (missing release_buffer?)\n");
233 return -1;
234 }
1e491e29 235
0ecca7a4
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236 if(avcodec_check_dimensions(s,w,h))
237 return -1;
238
d90cf87b
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239 if(s->internal_buffer==NULL){
240 s->internal_buffer= av_mallocz(INTERNAL_BUFFER_SIZE*sizeof(InternalBuffer));
241 }
242#if 0
243 s->internal_buffer= av_fast_realloc(
115329f1
DB
244 s->internal_buffer,
245 &s->internal_buffer_size,
d90cf87b
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246 sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/
247 );
248#endif
115329f1 249
d90cf87b 250 buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
237e4938
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251 picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE-1]).last_pic_num; //FIXME ugly hack
252 (*picture_number)++;
115329f1 253
d90cf87b 254 if(buf->base[0]){
237e4938
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255 pic->age= *picture_number - buf->last_pic_num;
256 buf->last_pic_num= *picture_number;
1e491e29 257 }else{
f0bbfc4a 258 int h_chroma_shift, v_chroma_shift;
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259 int pixel_size, size[3];
260 AVPicture picture;
261
1e491e29 262 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
f0bbfc4a
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263
264 avcodec_align_dimensions(s, &w, &h);
115329f1 265
1e491e29
MN
266 if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
267 w+= EDGE_WIDTH*2;
268 h+= EDGE_WIDTH*2;
269 }
5b67307a
LM
270 avcodec_align_dimensions(s, &w, &h);
271
c7622f9a
MN
272 avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
273 pixel_size= picture.linesize[0]*8 / w;
274//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d\n", (int)picture.data[1], w, h, s->pix_fmt);
275 assert(pixel_size>=1);
755bfeab 276 //FIXME next ensures that linesize= 2^x uvlinesize, that is needed because some MC code assumes it
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277 if(pixel_size == 3*8)
278 w= ALIGN(w, STRIDE_ALIGN<<h_chroma_shift);
279 else
280 w= ALIGN(pixel_size*w, STRIDE_ALIGN<<(h_chroma_shift+3)) / pixel_size;
281 size[1] = avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
282 size[0] = picture.linesize[0] * h;
283 size[1] -= size[0];
284 if(picture.data[2])
285 size[1]= size[2]= size[1]/2;
286 else
287 size[2]= 0;
288
d90cf87b 289 buf->last_pic_num= -256*256*256*64;
c7622f9a
MN
290 memset(buf->base, 0, sizeof(buf->base));
291 memset(buf->data, 0, sizeof(buf->data));
1e491e29 292
c7622f9a 293 for(i=0; i<3 && size[i]; i++){
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MN
294 const int h_shift= i==0 ? 0 : h_chroma_shift;
295 const int v_shift= i==0 ? 0 : v_chroma_shift;
1e491e29 296
c7622f9a 297 buf->linesize[i]= picture.linesize[i];
1e491e29 298
c7622f9a 299 buf->base[i]= av_malloc(size[i]+16); //FIXME 16
d90cf87b 300 if(buf->base[i]==NULL) return -1;
c7622f9a
MN
301 memset(buf->base[i], 128, size[i]);
302
303 // no edge if EDEG EMU or not planar YUV, we check for PAL8 redundantly to protect against a exploitable bug regression ...
115329f1 304 if((s->flags&CODEC_FLAG_EMU_EDGE) || (s->pix_fmt == PIX_FMT_PAL8) || !size[2])
d90cf87b 305 buf->data[i] = buf->base[i];
1e491e29 306 else
3237f731 307 buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), STRIDE_ALIGN);
1e491e29
MN
308 }
309 pic->age= 256*256*256*64;
310 }
237e4938 311 pic->type= FF_BUFFER_TYPE_INTERNAL;
1e491e29 312
d90cf87b
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313 for(i=0; i<4; i++){
314 pic->base[i]= buf->base[i];
315 pic->data[i]= buf->data[i];
237e4938 316 pic->linesize[i]= buf->linesize[i];
d90cf87b
MN
317 }
318 s->internal_buffer_count++;
319
1e491e29
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320 return 0;
321}
322
492cd3a9 323void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
1e491e29 324 int i;
6829ac8d 325 InternalBuffer *buf, *last;
d90cf87b 326
4e00e76b 327 assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
59c673d5 328 assert(s->internal_buffer_count);
d90cf87b 329
b1609412 330 buf = NULL; /* avoids warning */
d90cf87b
MN
331 for(i=0; i<s->internal_buffer_count; i++){ //just 3-5 checks so is not worth to optimize
332 buf= &((InternalBuffer*)s->internal_buffer)[i];
333 if(buf->data[0] == pic->data[0])
334 break;
335 }
336 assert(i < s->internal_buffer_count);
337 s->internal_buffer_count--;
338 last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
339
6829ac8d 340 FFSWAP(InternalBuffer, *buf, *last);
d90cf87b
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341
342 for(i=0; i<3; i++){
1e491e29 343 pic->data[i]=NULL;
d90cf87b
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344// pic->base[i]=NULL;
345 }
1e491e29
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346//printf("R%X\n", pic->opaque);
347}
348
e1c2a5a0
RT
349int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
350 AVFrame temp_pic;
351 int i;
352
353 /* If no picture return a new buffer */
354 if(pic->data[0] == NULL) {
355 /* We will copy from buffer, so must be readable */
356 pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
357 return s->get_buffer(s, pic);
358 }
359
360 /* If internal buffer type return the same buffer */
361 if(pic->type == FF_BUFFER_TYPE_INTERNAL)
362 return 0;
363
364 /*
365 * Not internal type and reget_buffer not overridden, emulate cr buffer
366 */
367 temp_pic = *pic;
368 for(i = 0; i < 4; i++)
369 pic->data[i] = pic->base[i] = NULL;
370 pic->opaque = NULL;
371 /* Allocate new frame */
372 if (s->get_buffer(s, pic))
373 return -1;
374 /* Copy image data from old buffer to new buffer */
636d6a4a 375 av_picture_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
e1c2a5a0
RT
376 s->height);
377 s->release_buffer(s, &temp_pic); // Release old frame
378 return 0;
379}
380
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381int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){
382 int i;
383
384 for(i=0; i<count; i++){
385 int r= func(c, arg[i]);
386 if(ret) ret[i]= r;
387 }
388 return 0;
389}
390
494c56d3 391enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt){
a33c7159
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392 return fmt[0];
393}
394
43465395
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395static const char* context_to_name(void* ptr) {
396 AVCodecContext *avc= ptr;
397
398 if(avc && avc->codec && avc->codec->name)
115329f1 399 return avc->codec->name;
43465395
MN
400 else
401 return "NULL";
402}
403
66acccf0 404#define OFFSET(x) offsetof(AVCodecContext,x)
755bfeab 405#define DEFAULT 0 //should be NAN but it does not work as it is not a constant in glibc as required by ANSI/ISO C
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406//these names are too long to be readable
407#define V AV_OPT_FLAG_VIDEO_PARAM
408#define A AV_OPT_FLAG_AUDIO_PARAM
409#define S AV_OPT_FLAG_SUBTITLE_PARAM
115329f1 410#define E AV_OPT_FLAG_ENCODING_PARAM
8bbf6db9 411#define D AV_OPT_FLAG_DECODING_PARAM
860a40c8 412
0b97eea3 413#define AV_CODEC_DEFAULT_BITRATE 200*1000
8c3dd5dc 414
62a05b5b 415static const AVOption options[]={
6289025d
MN
416{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE, INT_MIN, INT_MAX, V|E},
417{"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, 64*1000, INT_MIN, INT_MAX, A|E},
a45bc592 418{"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE*20, 1, INT_MAX, V|E},
637b5326 419{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|A|E|D, "flags"},
fac862c6
MN
420{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_4MV, INT_MIN, INT_MAX, V|E, "flags"},
421{"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_OBMC, INT_MIN, INT_MAX, V|E, "flags"},
422{"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QPEL, INT_MIN, INT_MAX, V|E, "flags"},
423{"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOOP_FILTER, INT_MIN, INT_MAX, V|E, "flags"},
424{"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QSCALE, INT_MIN, INT_MAX, 0, "flags"},
425{"gmc", "use gmc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GMC, INT_MIN, INT_MAX, V|E, "flags"},
426{"mv0", "always try a mb with mv=<0,0>", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_MV0, INT_MIN, INT_MAX, V|E, "flags"},
427{"part", "use data partitioning", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PART, INT_MIN, INT_MAX, V|E, "flags"},
428{"input_preserved", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INPUT_PRESERVED, INT_MIN, INT_MAX, 0, "flags"},
429{"pass1", "use internal 2pass ratecontrol in first pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS1, INT_MIN, INT_MAX, 0, "flags"},
430{"pass2", "use internal 2pass ratecontrol in second pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS2, INT_MIN, INT_MAX, 0, "flags"},
431{"extern_huff", "use external huffman table (for mjpeg)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EXTERN_HUFF, INT_MIN, INT_MAX, 0, "flags"},
432{"gray", "only decode/encode grayscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GRAY, INT_MIN, INT_MAX, V|E|D, "flags"},
433{"emu_edge", "don't draw edges", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EMU_EDGE, INT_MIN, INT_MAX, 0, "flags"},
434{"psnr", "error[?] variables will be set during encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PSNR, INT_MIN, INT_MAX, V|E, "flags"},
435{"truncated", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRUNCATED, INT_MIN, INT_MAX, 0, "flags"},
436{"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_NORMALIZE_AQP, INT_MIN, INT_MAX, V|E, "flags"},
437{"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_DCT, INT_MIN, INT_MAX, V|E, "flags"},
9cc6be9d 438{"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOW_DELAY, INT_MIN, INT_MAX, V|D|E, "flags"},
fac862c6
MN
439{"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_ALT_SCAN, INT_MIN, INT_MAX, V|E, "flags"},
440{"trell", "use trellis quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRELLIS_QUANT, INT_MIN, INT_MAX, V|E, "flags"},
441{"global_header", "place global headers in extradata instead of every keyframe", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GLOBAL_HEADER, INT_MIN, INT_MAX, 0, "flags"},
442{"bitexact", "use only bitexact stuff (except (i)dct)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_BITEXACT, INT_MIN, INT_MAX, A|V|S|D|E, "flags"},
443{"aic", "h263 advanced intra coding / mpeg4 ac prediction", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_AC_PRED, INT_MIN, INT_MAX, V|E, "flags"},
444{"umv", "use unlimited motion vectors", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_UMV, INT_MIN, INT_MAX, V|E, "flags"},
445{"cbp", "use rate distortion optimization for cbp", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CBP_RD, INT_MIN, INT_MAX, V|E, "flags"},
8f196b14 446{"qprd", "use rate distortion optimization for qp selection", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QP_RD, INT_MIN, INT_MAX, V|E, "flags"},
fac862c6
MN
447{"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_AIV, INT_MIN, INT_MAX, V|E, "flags"},
448{"slice", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_SLICE_STRUCT, INT_MIN, INT_MAX, V|E, "flags"},
449{"ilme", "interlaced motion estimation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_ME, INT_MIN, INT_MAX, V|E, "flags"},
450{"scan_offset", "will reserve space for svcd scan offset user data", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_SVCD_SCAN_OFFSET, INT_MIN, INT_MAX, V|E, "flags"},
8f196b14 451{"cgop", "closed gop", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CLOSED_GOP, INT_MIN, INT_MAX, V|E, "flags"},
fac862c6
MN
452{"fast", "allow non spec compliant speedup tricks", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FAST, INT_MIN, INT_MAX, V|E, "flags2"},
453{"sgop", "strictly enforce gop size", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_STRICT_GOP, INT_MIN, INT_MAX, V|E, "flags2"},
454{"noout", "skip bitstream encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NO_OUTPUT, INT_MIN, INT_MAX, V|E, "flags2"},
455{"local_header", "place global headers at every keyframe instead of in extradata", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_LOCAL_HEADER, INT_MIN, INT_MAX, V|E, "flags2"},
860a40c8 456{"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f 457{"me_method", "set motion estimation method", OFFSET(me_method), FF_OPT_TYPE_INT, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method"},
c0de00da
SS
458#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
459{"me", "set motion estimation method (deprecated, use me_method instead)", OFFSET(me_method), FF_OPT_TYPE_INT, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method"},
460#endif
461{"zero", "zero motion estimation (fastest)", 0, FF_OPT_TYPE_CONST, ME_ZERO, INT_MIN, INT_MAX, V|E, "me_method" },
462{"full", "full motion estimation (slowest)", 0, FF_OPT_TYPE_CONST, ME_FULL, INT_MIN, INT_MAX, V|E, "me_method" },
463{"epzs", "EPZS motion estimation (default)", 0, FF_OPT_TYPE_CONST, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method" },
464{"log", "log motion estimation", 0, FF_OPT_TYPE_CONST, ME_LOG, INT_MIN, INT_MAX, V|E, "me_method" },
465{"phods", "phods motion estimation", 0, FF_OPT_TYPE_CONST, ME_PHODS, INT_MIN, INT_MAX, V|E, "me_method" },
466{"x1", "X1 motion estimation", 0, FF_OPT_TYPE_CONST, ME_X1, INT_MIN, INT_MAX, V|E, "me_method" },
467{"hex", "hex motion estimation", 0, FF_OPT_TYPE_CONST, ME_HEX, INT_MIN, INT_MAX, V|E, "me_method" },
468{"umh", "umh motion estimation", 0, FF_OPT_TYPE_CONST, ME_UMH, INT_MIN, INT_MAX, V|E, "me_method" },
469{"iter", "iter motion estimation", 0, FF_OPT_TYPE_CONST, ME_ITER, INT_MIN, INT_MAX, V|E, "me_method" },
860a40c8
MN
470{"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
471{"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 472{"g", "set the group of picture size", OFFSET(gop_size), FF_OPT_TYPE_INT, 12, INT_MIN, INT_MAX, V|E},
119aae1d 473{"rate_emu", "frame rate emulation", OFFSET(rate_emu), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 474{"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
462209fe 475{"ac", "set number of audio channels", OFFSET(channels), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
14f0c8e2 476{"cutoff", "set cutoff bandwidth", OFFSET(cutoff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
c6375bf2 477{"frame_size", NULL, OFFSET(frame_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
860a40c8
MN
478{"frame_number", NULL, OFFSET(frame_number), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
479{"real_pict_num", NULL, OFFSET(real_pict_num), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
480{"delay", NULL, OFFSET(delay), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
4bef236b
DB
481{"qcomp", "video quantizer scale compression (VBR)", OFFSET(qcompress), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, FLT_MAX, V|E},
482{"qblur", "video quantizer scale blur (VBR)", OFFSET(qblur), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, FLT_MAX, V|E},
483{"qmin", "min video quantizer scale (VBR)", OFFSET(qmin), FF_OPT_TYPE_INT, 2, 1, 51, V|E},
484{"qmax", "max video quantizer scale (VBR)", OFFSET(qmax), FF_OPT_TYPE_INT, 31, 1, 51, V|E},
485{"qdiff", "max difference between the quantizer scale (VBR)", OFFSET(max_qdiff), FF_OPT_TYPE_INT, 3, INT_MIN, INT_MAX, V|E},
315b0f97 486{"bf", "use 'frames' B frames", OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, 0, FF_MAX_B_FRAMES, V|E},
7df00a4e 487{"b_qfactor", "qp factor between p and b frames", OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, 1.25, FLT_MIN, FLT_MAX, V|E},
97041923
VP
488{"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
489{"b_strategy", "strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
8bbf6db9 490{"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
ccec0f4f 491#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
860a40c8 492{"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
ccec0f4f 493#endif
ea0fe83b 494{"ps", "rtp payload size in bits", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8
MN
495{"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
496{"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
497{"i_tex_bits", NULL, OFFSET(i_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
498{"p_tex_bits", NULL, OFFSET(p_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
499{"i_count", NULL, OFFSET(i_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
500{"p_count", NULL, OFFSET(p_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
501{"skip_count", NULL, OFFSET(skip_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
502{"misc_bits", NULL, OFFSET(misc_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
503{"frame_bits", NULL, OFFSET(frame_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
504{"codec_tag", NULL, OFFSET(codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 505{"bug", "workaround not auto detected encoder bugs", OFFSET(workaround_bugs), FF_OPT_TYPE_FLAGS, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
fac862c6 506{"autodetect", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
97041923
VP
507{"old_msmpeg4", "some old lavc generated msmpeg4v3 files (no autodetection)", 0, FF_OPT_TYPE_CONST, FF_BUG_OLD_MSMPEG4, INT_MIN, INT_MAX, V|D, "bug"},
508{"xvid_ilace", "Xvid interlacing bug (autodetected if fourcc==XVIX)", 0, FF_OPT_TYPE_CONST, FF_BUG_XVID_ILACE, INT_MIN, INT_MAX, V|D, "bug"},
509{"ump4", "(autodetected if fourcc==UMP4)", 0, FF_OPT_TYPE_CONST, FF_BUG_UMP4, INT_MIN, INT_MAX, V|D, "bug"},
510{"no_padding", "padding bug (autodetected)", 0, FF_OPT_TYPE_CONST, FF_BUG_NO_PADDING, INT_MIN, INT_MAX, V|D, "bug"},
fac862c6 511{"amv", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AMV, INT_MIN, INT_MAX, V|D, "bug"},
97041923 512{"ac_vlc", "illegal vlc bug (autodetected per fourcc)", 0, FF_OPT_TYPE_CONST, FF_BUG_AC_VLC, INT_MIN, INT_MAX, V|D, "bug"},
fac862c6 513{"qpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
97041923 514{"std_qpel", "old standard qpel (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, FF_BUG_STD_QPEL, INT_MIN, INT_MAX, V|D, "bug"},
fac862c6 515{"qpel_chroma2", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA2, INT_MIN, INT_MAX, V|D, "bug"},
97041923
VP
516{"direct_blocksize", "direct-qpel-blocksize bug (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, FF_BUG_DIRECT_BLOCKSIZE, INT_MIN, INT_MAX, V|D, "bug"},
517{"edge", "edge padding bug (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, FF_BUG_EDGE, INT_MIN, INT_MAX, V|D, "bug"},
fac862c6
MN
518{"hpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_HPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
519{"dc_clip", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DC_CLIP, INT_MIN, INT_MAX, V|D, "bug"},
119aae1d 520{"ms", "workaround various bugs in microsofts broken decoders", 0, FF_OPT_TYPE_CONST, FF_BUG_MS, INT_MIN, INT_MAX, V|D, "bug"},
fac862c6
MN
521{"lelim", "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)", OFFSET(luma_elim_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
522{"celim", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)", OFFSET(chroma_elim_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
4785c016 523{"strict", "how strictly to follow the standards", OFFSET(strict_std_compliance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|V|D, "strict"},
119aae1d
PI
524{"very", "strictly conform to a older more strict version of the spec or reference software", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_VERY_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
525{"strict", "strictly conform to all the things in the spec no matter what consequences", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
fac862c6 526{"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|E, "strict"},
119aae1d 527{"inofficial", "allow inofficial extensions", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|E, "strict"},
fe037229 528{"experimental", "allow non standardized experimental things", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|E, "strict"},
7df00a4e 529{"b_qoffset", "qp offset between p and b frames", OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, 1.25, FLT_MIN, FLT_MAX, V|E},
4785c016 530{"er", "set error resilience strategy", OFFSET(error_resilience), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, A|V|D, "er"},
fac862c6
MN
531{"careful", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
532{"compliant", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_COMPLIANT, INT_MIN, INT_MAX, V|D, "er"},
533{"aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
534{"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_VERY_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
860a40c8
MN
535{"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
536{"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
537{"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
97041923 538{"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8
MN
539{"stats_out", NULL, OFFSET(stats_out), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
540{"stats_in", NULL, OFFSET(stats_in), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
4bef236b 541{"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", OFFSET(rc_qsquish), FF_OPT_TYPE_FLOAT, DEFAULT, 0, 99, V|E},
97041923
VP
542{"rc_qmod_amp", "experimental quantizer modulation", OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
543{"rc_qmod_freq", "experimental quantizer modulation", OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8 544{"rc_override_count", NULL, OFFSET(rc_override_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f 545{"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
7df00a4e
PI
546{"maxrate", "set max video bitrate tolerance (in bits/s)", OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
547{"minrate", "set min video bitrate tolerance (in bits/s)", OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
548{"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
97041923 549{"rc_buf_aggressivity", "currently useless", OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, 1.0, FLT_MIN, FLT_MAX, V|E},
fda7eb90 550{"i_qfactor", "qp factor between p and i frames", OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, -0.8, -FLT_MAX, FLT_MAX, V|E},
076ce017
PI
551{"i_qoffset", "qp offset between p and i frames", OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, 0.0, -FLT_MAX, FLT_MAX, V|E},
552{"rc_init_cplx", "initial complexity for 1-pass encoding", OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
97041923
VP
553{"dct", "DCT algorithm", OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
554{"auto", "autoselect a good one (default)", 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
555{"fastint", "fast integer", 0, FF_OPT_TYPE_CONST, FF_DCT_FASTINT, INT_MIN, INT_MAX, V|E, "dct"},
556{"int", "accurate integer", 0, FF_OPT_TYPE_CONST, FF_DCT_INT, INT_MIN, INT_MAX, V|E, "dct"},
fac862c6
MN
557{"mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MMX, INT_MIN, INT_MAX, V|E, "dct"},
558{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MLIB, INT_MIN, INT_MAX, V|E, "dct"},
559{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_ALTIVEC, INT_MIN, INT_MAX, V|E, "dct"},
4a1bb619 560{"faan", "floating point AAN DCT", 0, FF_OPT_TYPE_CONST, FF_DCT_FAAN, INT_MIN, INT_MAX, V|E, "dct"},
97041923 561{"lumi_mask", "compresses bright areas stronger than medium ones", OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
076ce017
PI
562{"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
563{"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
564{"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
97041923 565{"dark_mask", "compresses dark areas stronger than medium ones", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
860a40c8 566{"unused", NULL, OFFSET(unused), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
895bf499 567{"idct", "select IDCT implementation", OFFSET(idct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E|D, "idct"},
fac862c6
MN
568{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_AUTO, INT_MIN, INT_MAX, V|E|D, "idct"},
569{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_INT, INT_MIN, INT_MAX, V|E|D, "idct"},
570{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLE, INT_MIN, INT_MAX, V|E|D, "idct"},
571{"simplemmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
572{"libmpeg2mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_LIBMPEG2MMX, INT_MIN, INT_MAX, V|E|D, "idct"},
573{"ps2", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_PS2, INT_MIN, INT_MAX, V|E|D, "idct"},
574{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_MLIB, INT_MIN, INT_MAX, V|E|D, "idct"},
575{"arm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ARM, INT_MIN, INT_MAX, V|E|D, "idct"},
576{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ALTIVEC, INT_MIN, INT_MAX, V|E|D, "idct"},
577{"sh4", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SH4, INT_MIN, INT_MAX, V|E|D, "idct"},
578{"simplearm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARM, INT_MIN, INT_MAX, V|E|D, "idct"},
a0403006 579{"simplearmv5te", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARMV5TE, INT_MIN, INT_MAX, V|E|D, "idct"},
fac862c6
MN
580{"h264", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_H264, INT_MIN, INT_MAX, V|E|D, "idct"},
581{"vp3", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_VP3, INT_MIN, INT_MAX, V|E|D, "idct"},
582{"ipp", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_IPP, INT_MIN, INT_MAX, V|E|D, "idct"},
583{"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_XVIDMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
860a40c8 584{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
97041923
VP
585{"ec", "set error concealment strategy", OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
586{"guess_mvs", "iterative motion vector (MV) search (slow)", 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
587{"deblock", "use strong deblock filter for damaged MBs", 0, FF_OPT_TYPE_CONST, FF_EC_DEBLOCK, INT_MIN, INT_MAX, V|D, "ec"},
860a40c8 588{"bits_per_sample", NULL, OFFSET(bits_per_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
8f196b14 589{"pred", "prediction method", OFFSET(prediction_method), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "pred"},
fac862c6
MN
590{"left", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_LEFT, INT_MIN, INT_MAX, V|E, "pred"},
591{"plane", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_PLANE, INT_MIN, INT_MAX, V|E, "pred"},
592{"median", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_MEDIAN, INT_MIN, INT_MAX, V|E, "pred"},
119aae1d 593{"aspect", "sample aspect ratio", OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, DEFAULT, 0, 10, V|E},
637b5326 594{"debug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, DEFAULT, 0, INT_MAX, V|A|S|E|D, "debug"},
97041923
VP
595{"pict", "picture info", 0, FF_OPT_TYPE_CONST, FF_DEBUG_PICT_INFO, INT_MIN, INT_MAX, V|D, "debug"},
596{"rc", "rate control", 0, FF_OPT_TYPE_CONST, FF_DEBUG_RC, INT_MIN, INT_MAX, V|E, "debug"},
fac862c6 597{"bitstream", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BITSTREAM, INT_MIN, INT_MAX, V|D, "debug"},
97041923
VP
598{"mb_type", "macroblock (MB) type", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
599{"qp", "per-block quantization parameter (QP)", 0, FF_OPT_TYPE_CONST, FF_DEBUG_QP, INT_MIN, INT_MAX, V|D, "debug"},
600{"mv", "motion vector", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MV, INT_MIN, INT_MAX, V|D, "debug"},
fac862c6
MN
601{"dct_coeff", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_DCT_COEFF, INT_MIN, INT_MAX, V|D, "debug"},
602{"skip", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_SKIP, INT_MIN, INT_MAX, V|D, "debug"},
603{"startcode", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_STARTCODE, INT_MIN, INT_MAX, V|D, "debug"},
604{"pts", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PTS, INT_MIN, INT_MAX, V|D, "debug"},
97041923
VP
605{"er", "error resilience", 0, FF_OPT_TYPE_CONST, FF_DEBUG_ER, INT_MIN, INT_MAX, V|D, "debug"},
606{"mmco", "memory management control operations (H.264)", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MMCO, INT_MIN, INT_MAX, V|D, "debug"},
fac862c6 607{"bugs", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BUGS, INT_MIN, INT_MAX, V|D, "debug"},
97041923
VP
608{"vis_qp", "visualize quantization parameter (QP), lower QP are tinted greener", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_QP, INT_MIN, INT_MAX, V|D, "debug"},
609{"vis_mb_type", "visualize block types", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
610{"vismv", "visualize motion vectors (MVs)", OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|D, "debug_mv"},
611{"pf", "forward predicted MVs of P-frames", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_P_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
612{"bf", "forward predicted MVs of B-frames", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
613{"bb", "backward predicted MVs of B-frames", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_BACK, INT_MIN, INT_MAX, V|D, "debug_mv"},
f70d367b
DB
614{"mb_qmin", "obsolete, use qmin", OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
615{"mb_qmax", "obsolete, use qmax", OFFSET(mb_qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
fac862c6
MN
616{"cmp", "full pel me compare function", OFFSET(me_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
617{"subcmp", "sub pel me compare function", OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
ec9127c4 618{"mbcmp", "macroblock compare function", OFFSET(mb_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
8c3dd5dc 619{"ildctcmp", "interlaced dct compare function", OFFSET(ildct_cmp), FF_OPT_TYPE_INT, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
97041923
VP
620{"dia_size", "diamond type & size for motion estimation", OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
621{"last_pred", "amount of motion predictors from the previous frame", OFFSET(last_predictor_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
5cc9b87f 622{"preme", "pre motion estimation", OFFSET(pre_me), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
ec9127c4 623{"precmp", "pre motion estimation compare function", OFFSET(me_pre_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
97041923
VP
624{"sad", "sum of absolute differences, fast (default)", 0, FF_OPT_TYPE_CONST, FF_CMP_SAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
625{"sse", "sum of squared errors", 0, FF_OPT_TYPE_CONST, FF_CMP_SSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
626{"satd", "sum of absolute Hadamard transformed differences", 0, FF_OPT_TYPE_CONST, FF_CMP_SATD, INT_MIN, INT_MAX, V|E, "cmp_func"},
627{"dct", "sum of absolute DCT transformed differences", 0, FF_OPT_TYPE_CONST, FF_CMP_DCT, INT_MIN, INT_MAX, V|E, "cmp_func"},
628{"psnr", "sum of squared quantization errors (avoid, low quality)", 0, FF_OPT_TYPE_CONST, FF_CMP_PSNR, INT_MIN, INT_MAX, V|E, "cmp_func"},
629{"bit", "number of bits needed for the block", 0, FF_OPT_TYPE_CONST, FF_CMP_BIT, INT_MIN, INT_MAX, V|E, "cmp_func"},
630{"rd", "rate distortion optimal, slow", 0, FF_OPT_TYPE_CONST, FF_CMP_RD, INT_MIN, INT_MAX, V|E, "cmp_func"},
631{"zero", "0", 0, FF_OPT_TYPE_CONST, FF_CMP_ZERO, INT_MIN, INT_MAX, V|E, "cmp_func"},
632{"vsad", "sum of absolute vertical differences", 0, FF_OPT_TYPE_CONST, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
633{"vsse","sum of squared vertical differences", 0, FF_OPT_TYPE_CONST, FF_CMP_VSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
634{"nsse", "noise preserving sum of squared differences", 0, FF_OPT_TYPE_CONST, FF_CMP_NSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
3a6fc8fa 635#ifdef CONFIG_SNOW_ENCODER
97041923
VP
636{"w53", "5/3 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, FF_CMP_W53, INT_MIN, INT_MAX, V|E, "cmp_func"},
637{"w97", "9/7 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, FF_CMP_W97, INT_MIN, INT_MAX, V|E, "cmp_func"},
3a6fc8fa 638#endif
fac862c6
MN
639{"dctmax", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
640{"chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_CHROMA, INT_MIN, INT_MAX, V|E, "cmp_func"},
97041923 641{"pre_dia_size", "diamond type & size for motion estimation pre-pass", OFFSET(pre_dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8c3dd5dc 642{"subq", "sub pel motion estimation quality", OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
860a40c8 643{"dtg_active_format", NULL, OFFSET(dtg_active_format), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f
PI
644{"me_range", "limit motion vectors range (1023 for DivX player)", OFFSET(me_range), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
645{"ibias", "intra quant bias", OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
646{"pbias", "inter quant bias", OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
860a40c8
MN
647{"color_table_id", NULL, OFFSET(color_table_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
648{"internal_buffer_count", NULL, OFFSET(internal_buffer_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
649{"global_quality", NULL, OFFSET(global_quality), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
ec9127c4 650{"coder", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "coder"},
8f196b14
MN
651{"vlc", "variable length coder / huffman coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_VLC, INT_MIN, INT_MAX, V|E, "coder"},
652{"ac", "arithmetic coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_AC, INT_MIN, INT_MAX, V|E, "coder"},
f87459e4 653{"raw", "raw (no encoding)", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_RAW, INT_MIN, INT_MAX, V|E, "coder"},
5d79e24a 654{"rle", "run-length coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_RLE, INT_MIN, INT_MAX, V|E, "coder"},
f87459e4 655{"deflate", "deflate-based coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_DEFLATE, INT_MIN, INT_MAX, V|E, "coder"},
8f196b14 656{"context", "context model", OFFSET(context_model), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8
MN
657{"slice_flags", NULL, OFFSET(slice_flags), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
658{"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
97041923
VP
659{"mbd", "macroblock decision algorithm (high quality mode)", OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "mbd"},
660{"simple", "use mbcmp (default)", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_SIMPLE, INT_MIN, INT_MAX, V|E, "mbd"},
661{"bits", "use fewest bits", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_BITS, INT_MIN, INT_MAX, V|E, "mbd"},
662{"rd", "use best rate distortion", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_RD, INT_MIN, INT_MAX, V|E, "mbd"},
860a40c8 663{"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f
PI
664{"sc_threshold", "scene change threshold", OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
665{"lmin", "min lagrange factor (VBR)", OFFSET(lmin), FF_OPT_TYPE_INT, 2*FF_QP2LAMBDA, 0, INT_MAX, V|E},
666{"lmax", "max lagrange factor (VBR)", OFFSET(lmax), FF_OPT_TYPE_INT, 31*FF_QP2LAMBDA, 0, INT_MAX, V|E},
8f196b14 667{"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
119aae1d 668{"rc_init_occupancy", "number of bits which should be loaded into the rc buffer before decoding starts", OFFSET(rc_initial_buffer_occupancy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8bbf6db9 669{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8c3dd5dc 670{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|A|E|D, "flags2"},
22565f5d 671{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
119aae1d 672{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "aa"},
fac862c6
MN
673{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_AUTO, INT_MIN, INT_MAX, V|D, "aa"},
674{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FASTINT, INT_MIN, INT_MAX, V|D, "aa"},
675{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_INT, INT_MIN, INT_MAX, V|D, "aa"},
676{"float", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FLOAT, INT_MIN, INT_MAX, V|D, "aa"},
8f196b14 677{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
7df00a4e 678{"threads", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E|D},
637b5326 679{"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
bf080813 680{"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
327409d7 681{"dc", "intra_dc_precision", OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
8f196b14 682{"nssew", "nsse weight", OFFSET(nsse_weight), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
119aae1d
PI
683{"skip_top", "number of macroblock rows at the top which are skipped", OFFSET(skip_top), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
684{"skip_bottom", "number of macroblock rows at the bottom which are skipped", OFFSET(skip_bottom), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
ec9127c4 685{"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
fac862c6 686{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
4f2c36ac
NG
687{"aac_main", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_MAIN, INT_MIN, INT_MAX, A|E, "profile"},
688{"aac_low", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LOW, INT_MIN, INT_MAX, A|E, "profile"},
689{"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_SSR, INT_MIN, INT_MAX, A|E, "profile"},
690{"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LTP, INT_MIN, INT_MAX, A|E, "profile"},
ec9127c4 691{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
fac862c6 692{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
97041923 693{"lowres", "decode at 1= 1/2, 2=1/4, 3=1/8 resolutions", OFFSET(lowres), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|D},
7df00a4e
PI
694{"skip_threshold", "frame skip threshold", OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
695{"skip_factor", "frame skip factor", OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
696{"skip_exp", "frame skip exponent", OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
d4de20d1 697{"skipcmp", "frame skip compare function", OFFSET(frame_skip_cmp), FF_OPT_TYPE_INT, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
97041923 698{"border_mask", "increases the quantizer for macroblocks close to borders", OFFSET(border_masking), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
1984f5cd
CH
699{"mblmin", "min macroblock lagrange factor (VBR)", OFFSET(mb_lmin), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 2, 1, FF_LAMBDA_MAX, V|E},
700{"mblmax", "max macroblock lagrange factor (VBR)", OFFSET(mb_lmax), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 31, 1, FF_LAMBDA_MAX, V|E},
cccb4c96 701{"mepc", "motion estimation bitrate penalty compensation (1.0 = 256)", OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, 256, INT_MIN, INT_MAX, V|E},
97041923
VP
702{"bidir_refine", "refine the two motion vectors used in bidirectional macroblocks", OFFSET(bidir_refine), FF_OPT_TYPE_INT, DEFAULT, 0, 4, V|E},
703{"brd_scale", "downscales frames for dynamic B-frame decision", OFFSET(brd_scale), FF_OPT_TYPE_INT, DEFAULT, 0, 10, V|E},
704{"crf", "enables constant quality mode, and selects the quality (x264)", OFFSET(crf), FF_OPT_TYPE_FLOAT, DEFAULT, 0, 51, V|E},
119aae1d 705{"cqp", "constant quantization parameter rate control method", OFFSET(cqp), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, V|E},
97041923
VP
706{"keyint_min", "minimum interval between IDR-frames (x264)", OFFSET(keyint_min), FF_OPT_TYPE_INT, 25, INT_MIN, INT_MAX, V|E},
707{"refs", "reference frames to consider for motion compensation (Snow)", OFFSET(refs), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E},
119aae1d
PI
708{"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
709{"bframebias", "influences how often B-frames are used", OFFSET(bframebias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
97041923 710{"trellis", "rate-distortion optimal quantization", OFFSET(trellis), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
119aae1d 711{"directpred", "direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal)", OFFSET(directpred), FF_OPT_TYPE_INT, 2, INT_MIN, INT_MAX, V|E},
97041923 712{"bpyramid", "allows B-frames to be used as references for predicting", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BPYRAMID, INT_MIN, INT_MAX, V|E, "flags2"},
119aae1d 713{"wpred", "weighted biprediction for b-frames (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_WPRED, INT_MIN, INT_MAX, V|E, "flags2"},
d3075ed5 714{"mixed_refs", "one reference per partition, as opposed to one reference per macroblock", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_MIXED_REFS, INT_MIN, INT_MAX, V|E, "flags2"},
e2f3d947 715{"dct8x8", "high profile 8x8 transform (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_8X8DCT, INT_MIN, INT_MAX, V|E, "flags2"},
119aae1d
PI
716{"fastpskip", "fast pskip (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|E, "flags2"},
717{"aud", "access unit delimiters (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_AUD, INT_MIN, INT_MAX, V|E, "flags2"},
718{"brdo", "b-frame rate-distortion optimization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BRDO, INT_MIN, INT_MAX, V|E, "flags2"},
fe037229 719{"skiprd", "RD optimal MB level residual skipping", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_SKIP_RD, INT_MIN, INT_MAX, V|E, "flags2"},
119aae1d
PI
720{"complexityblur", "reduce fluctuations in qp (before curve compression)", OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, 20.0, FLT_MIN, FLT_MAX, V|E},
721{"deblockalpha", "in-loop deblocking filter alphac0 parameter", OFFSET(deblockalpha), FF_OPT_TYPE_INT, DEFAULT, -6, 6, V|E},
722{"deblockbeta", "in-loop deblocking filter beta parameter", OFFSET(deblockbeta), FF_OPT_TYPE_INT, DEFAULT, -6, 6, V|E},
723{"partitions", "macroblock subpartition sizes to consider", OFFSET(partitions), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|E, "partitions"},
58f7833e
RS
724{"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I4X4, INT_MIN, INT_MAX, V|E, "partitions"},
725{"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I8X8, INT_MIN, INT_MAX, V|E, "partitions"},
726{"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P4X4, INT_MIN, INT_MAX, V|E, "partitions"},
727{"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P8X8, INT_MIN, INT_MAX, V|E, "partitions"},
728{"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_B8X8, INT_MIN, INT_MAX, V|E, "partitions"},
119aae1d 729{"sc_factor", "multiplied by qscale for each frame and added to scene_change_score", OFFSET(scenechange_factor), FF_OPT_TYPE_INT, 6, 0, INT_MAX, V|E},
1dd509b1 730{"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, 256, 0, INT_MAX, V|E},
307eb248 731{"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_INTRA_VLC, INT_MIN, INT_MAX, V|E, "flags2"},
119aae1d 732{"b_sensitivity", "adjusts sensitivity of b_frame_strategy 1", OFFSET(b_sensitivity), FF_OPT_TYPE_INT, 40, 1, INT_MAX, V|E},
a403fc03 733{"compression_level", NULL, OFFSET(compression_level), FF_OPT_TYPE_INT, FF_COMPRESSION_DEFAULT, INT_MIN, INT_MAX, V|A|E},
119aae1d
PI
734{"use_lpc", "sets whether to use LPC mode (FLAC)", OFFSET(use_lpc), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
735{"lpc_coeff_precision", "LPC coefficient precision (FLAC)", OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|E},
a403fc03
JR
736{"min_prediction_order", NULL, OFFSET(min_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
737{"max_prediction_order", NULL, OFFSET(max_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
119aae1d 738{"prediction_order_method", "search method for selecting prediction order", OFFSET(prediction_order_method), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
a403fc03
JR
739{"min_partition_order", NULL, OFFSET(min_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
740{"max_partition_order", NULL, OFFSET(max_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
119aae1d 741{"timecode_frame_start", "GOP timecode frame start number, in non drop frame format", OFFSET(timecode_frame_start), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|E},
80d617f5 742{"drop_frame_timecode", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_DROP_FRAME_TIMECODE, INT_MIN, INT_MAX, V|E, "flags2"},
5a6b9443 743{"non_linear_q", "use non linear quantizer", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NON_LINEAR_QUANT, INT_MIN, INT_MAX, V|E, "flags2"},
860a40c8
MN
744{NULL},
745};
746
8bbf6db9
MN
747#undef A
748#undef V
5e89b50b
PI
749#undef S
750#undef E
751#undef D
752#undef DEFAULT
8bbf6db9 753
860a40c8 754static AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
43465395 755
29301573
MN
756void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType codec_type){
757 int flags=0;
9740beff
MN
758 memset(s, 0, sizeof(AVCodecContext));
759
43465395 760 s->av_class= &av_codec_context_class;
73a8ceaa 761
0509d453 762 s->codec_type = codec_type;
29301573
MN
763 if(codec_type == CODEC_TYPE_AUDIO)
764 flags= AV_OPT_FLAG_AUDIO_PARAM;
765 else if(codec_type == CODEC_TYPE_VIDEO)
766 flags= AV_OPT_FLAG_VIDEO_PARAM;
767 else if(codec_type == CODEC_TYPE_SUBTITLE)
768 flags= AV_OPT_FLAG_SUBTITLE_PARAM;
769 av_opt_set_defaults2(s, flags, flags);
73a8ceaa 770
a949d72e 771 s->rc_eq= "tex^qComp";
c0df9d75 772 s->time_base= (AVRational){0,1};
1e491e29
MN
773 s->get_buffer= avcodec_default_get_buffer;
774 s->release_buffer= avcodec_default_release_buffer;
a33c7159 775 s->get_format= avcodec_default_get_format;
9c3d33d6 776 s->execute= avcodec_default_execute;
5ff85f1d 777 s->sample_aspect_ratio= (AVRational){0,1};
644a9262 778 s->pix_fmt= PIX_FMT_NONE;
1319a77b 779 s->sample_fmt= SAMPLE_FMT_S16; // FIXME: set to NONE
8c3dd5dc 780
2a2bbcb0 781 s->palctrl = NULL;
e1c2a5a0 782 s->reget_buffer= avcodec_default_reget_buffer;
a949d72e
MN
783}
784
29301573 785AVCodecContext *avcodec_alloc_context2(enum CodecType codec_type){
9740beff 786 AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
115329f1 787
a949d72e 788 if(avctx==NULL) return NULL;
115329f1 789
29301573 790 avcodec_get_context_defaults2(avctx, codec_type);
115329f1 791
a949d72e
MN
792 return avctx;
793}
794
29301573
MN
795void avcodec_get_context_defaults(AVCodecContext *s){
796 avcodec_get_context_defaults2(s, CODEC_TYPE_UNKNOWN);
797}
798
799AVCodecContext *avcodec_alloc_context(void){
800 return avcodec_alloc_context2(CODEC_TYPE_UNKNOWN);
801}
802
9740beff
MN
803void avcodec_get_frame_defaults(AVFrame *pic){
804 memset(pic, 0, sizeof(AVFrame));
805
806 pic->pts= AV_NOPTS_VALUE;
c342499d 807 pic->key_frame= 1;
9740beff
MN
808}
809
492cd3a9 810AVFrame *avcodec_alloc_frame(void){
9740beff 811 AVFrame *pic= av_malloc(sizeof(AVFrame));
115329f1 812
9740beff 813 if(pic==NULL) return NULL;
115329f1 814
9740beff 815 avcodec_get_frame_defaults(pic);
115329f1 816
1e491e29
MN
817 return pic;
818}
819
de6d9b64
FB
820int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
821{
ddebfb15 822 int ret= -1;
115329f1 823
ddebfb15
MN
824 entangled_thread_counter++;
825 if(entangled_thread_counter != 1){
826 av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
827 goto end;
828 }
de6d9b64 829
09770af8 830 if(avctx->codec)
ddebfb15 831 goto end;
09770af8 832
0edf8a7a
PG
833 if (codec->priv_data_size > 0) {
834 avctx->priv_data = av_mallocz(codec->priv_data_size);
90f06cea
PI
835 if (!avctx->priv_data) {
836 ret = AVERROR(ENOMEM);
ddebfb15 837 goto end;
90f06cea 838 }
0edf8a7a
PG
839 } else {
840 avctx->priv_data = NULL;
841 }
21adafec
MN
842
843 if(avctx->coded_width && avctx->coded_height)
844 avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
845 else if(avctx->width && avctx->height)
846 avcodec_set_dimensions(avctx, avctx->width, avctx->height);
847
0ecca7a4
MN
848 if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
849 av_freep(&avctx->priv_data);
7868349a 850 ret = AVERROR(EINVAL);
ddebfb15 851 goto end;
0ecca7a4
MN
852 }
853
b5c85991
MN
854 avctx->codec = codec;
855 avctx->codec_id = codec->id;
856 avctx->frame_number = 0;
6e546aaa 857 if(avctx->codec->init){
2de4f9eb
MN
858 ret = avctx->codec->init(avctx);
859 if (ret < 0) {
860 av_freep(&avctx->priv_data);
861 avctx->codec= NULL;
862 goto end;
863 }
6e546aaa 864 }
ddebfb15
MN
865 ret=0;
866end:
867 entangled_thread_counter--;
868 return ret;
de6d9b64
FB
869}
870
115329f1 871int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
de6d9b64
FB
872 const short *samples)
873{
0ecca7a4 874 if(buf_size < FF_MIN_BUFFER_SIZE && 0){
5286d11f 875 av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
0ecca7a4
MN
876 return -1;
877 }
6f824977
MN
878 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
879 int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)samples);
880 avctx->frame_number++;
881 return ret;
882 }else
883 return 0;
de6d9b64
FB
884}
885
115329f1 886int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
492cd3a9 887 const AVFrame *pict)
de6d9b64 888{
0ecca7a4 889 if(buf_size < FF_MIN_BUFFER_SIZE){
5286d11f 890 av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
0ecca7a4
MN
891 return -1;
892 }
893 if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
894 return -1;
6f824977
MN
895 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
896 int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict);
897 avctx->frame_number++;
bb628dae 898 emms_c(); //needed to avoid an emms_c() call before every return;
115329f1 899
6f824977
MN
900 return ret;
901 }else
902 return 0;
de6d9b64
FB
903}
904
115329f1 905int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
240c1657
FB
906 const AVSubtitle *sub)
907{
908 int ret;
909 ret = avctx->codec->encode(avctx, buf, buf_size, (void *)sub);
910 avctx->frame_number++;
911 return ret;
912}
913
115329f1 914int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
de6d9b64 915 int *got_picture_ptr,
0c1a9eda 916 uint8_t *buf, int buf_size)
de6d9b64
FB
917{
918 int ret;
115329f1 919
53db1cae 920 *got_picture_ptr= 0;
0ecca7a4
MN
921 if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
922 return -1;
934982c4 923 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
115329f1 924 ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
934982c4 925 buf, buf_size);
6bb925f4 926
bb628dae 927 emms_c(); //needed to avoid an emms_c() call before every return;
115329f1
DB
928
929 if (*got_picture_ptr)
934982c4
MN
930 avctx->frame_number++;
931 }else
932 ret= 0;
933
de6d9b64
FB
934 return ret;
935}
936
ac66834c 937int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
de6d9b64 938 int *frame_size_ptr,
0c1a9eda 939 uint8_t *buf, int buf_size)
de6d9b64
FB
940{
941 int ret;
942
fec9ccb7 943 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
9c856d62
MN
944 //FIXME remove the check below _after_ ensuring that all audio check that the available space is enough
945 if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){
946 av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE\n");
947 return -1;
948 }
949 if(*frame_size_ptr < FF_MIN_BUFFER_SIZE ||
950 *frame_size_ptr < avctx->channels * avctx->frame_size * sizeof(int16_t) ||
951 *frame_size_ptr < buf_size){
952 av_log(avctx, AV_LOG_ERROR, "buffer %d too small\n", *frame_size_ptr);
953 return -1;
954 }
955
115329f1 956 ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
fec9ccb7
MN
957 buf, buf_size);
958 avctx->frame_number++;
ac66834c 959 }else{
fec9ccb7 960 ret= 0;
ac66834c
MN
961 *frame_size_ptr=0;
962 }
de6d9b64
FB
963 return ret;
964}
965
ac66834c
MN
966#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
967int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
968 int *frame_size_ptr,
969 uint8_t *buf, int buf_size){
970 *frame_size_ptr= AVCODEC_MAX_AUDIO_FRAME_SIZE;
971 return avcodec_decode_audio2(avctx, samples, frame_size_ptr, buf, buf_size);
972}
973#endif
974
240c1657
FB
975int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
976 int *got_sub_ptr,
977 const uint8_t *buf, int buf_size)
978{
979 int ret;
980
981 *got_sub_ptr = 0;
115329f1 982 ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
240c1657
FB
983 (uint8_t *)buf, buf_size);
984 if (*got_sub_ptr)
985 avctx->frame_number++;
986 return ret;
987}
988
de6d9b64
FB
989int avcodec_close(AVCodecContext *avctx)
990{
ddebfb15
MN
991 entangled_thread_counter++;
992 if(entangled_thread_counter != 1){
993 av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
994 entangled_thread_counter--;
995 return -1;
996 }
997
ab2cfc59
JG
998 if (ENABLE_THREADS && avctx->thread_opaque)
999 avcodec_thread_free(avctx);
de6d9b64
FB
1000 if (avctx->codec->close)
1001 avctx->codec->close(avctx);
eea8c08f 1002 avcodec_default_free_buffers(avctx);
3123dd79 1003 av_freep(&avctx->priv_data);
de6d9b64 1004 avctx->codec = NULL;
ddebfb15 1005 entangled_thread_counter--;
de6d9b64
FB
1006 return 0;
1007}
1008
1009AVCodec *avcodec_find_encoder(enum CodecID id)
1010{
1011 AVCodec *p;
1012 p = first_avcodec;
1013 while (p) {
1014 if (p->encode != NULL && p->id == id)
1015 return p;
1016 p = p->next;
1017 }
1018 return NULL;
1019}
1020
98f3b098
A
1021AVCodec *avcodec_find_encoder_by_name(const char *name)
1022{
1023 AVCodec *p;
1024 p = first_avcodec;
1025 while (p) {
1026 if (p->encode != NULL && strcmp(name,p->name) == 0)
1027 return p;
1028 p = p->next;
1029 }
1030 return NULL;
1031}
1032
de6d9b64
FB
1033AVCodec *avcodec_find_decoder(enum CodecID id)
1034{
1035 AVCodec *p;
1036 p = first_avcodec;
1037 while (p) {
1038 if (p->decode != NULL && p->id == id)
1039 return p;
1040 p = p->next;
1041 }
1042 return NULL;
1043}
1044
1045AVCodec *avcodec_find_decoder_by_name(const char *name)
1046{
1047 AVCodec *p;
1048 p = first_avcodec;
1049 while (p) {
1050 if (p->decode != NULL && strcmp(name,p->name) == 0)
1051 return p;
1052 p = p->next;
1053 }
1054 return NULL;
1055}
1056
de6d9b64
FB
1057void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
1058{
1059 const char *codec_name;
1060 AVCodec *p;
1061 char buf1[32];
623563c0 1062 char channels_str[100];
a96b68b7 1063 int bitrate;
de6d9b64
FB
1064
1065 if (encode)
1066 p = avcodec_find_encoder(enc->codec_id);
1067 else
1068 p = avcodec_find_decoder(enc->codec_id);
1069
1070 if (p) {
1071 codec_name = p->name;
98ce5991
FB
1072 if (!encode && enc->codec_id == CODEC_ID_MP3) {
1073 if (enc->sub_id == 2)
1074 codec_name = "mp2";
1075 else if (enc->sub_id == 1)
1076 codec_name = "mp1";
1077 }
985180a1
FB
1078 } else if (enc->codec_id == CODEC_ID_MPEG2TS) {
1079 /* fake mpeg2 transport stream codec (currently not
1080 registered) */
1081 codec_name = "mpeg2ts";
de6d9b64
FB
1082 } else if (enc->codec_name[0] != '\0') {
1083 codec_name = enc->codec_name;
1084 } else {
1085 /* output avi tags */
115329f1 1086 if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF)
b983a5c6 1087 && isprint((enc->codec_tag>>16)&0xFF) && isprint((enc->codec_tag>>24)&0xFF)){
115329f1 1088 snprintf(buf1, sizeof(buf1), "%c%c%c%c / 0x%04X",
de6d9b64
FB
1089 enc->codec_tag & 0xff,
1090 (enc->codec_tag >> 8) & 0xff,
1091 (enc->codec_tag >> 16) & 0xff,
b983a5c6
MN
1092 (enc->codec_tag >> 24) & 0xff,
1093 enc->codec_tag);
de6d9b64
FB
1094 } else {
1095 snprintf(buf1, sizeof(buf1), "0x%04x", enc->codec_tag);
1096 }
1097 codec_name = buf1;
1098 }
1099
1100 switch(enc->codec_type) {
1101 case CODEC_TYPE_VIDEO:
1102 snprintf(buf, buf_size,
1103 "Video: %s%s",
7d1c3fc1 1104 codec_name, enc->mb_decision ? " (hq)" : "");
82c0c4ba 1105 if (enc->pix_fmt != PIX_FMT_NONE) {
cf087595
FB
1106 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1107 ", %s",
9bbffbb1 1108 avcodec_get_pix_fmt_name(enc->pix_fmt));
cf087595 1109 }
de6d9b64
FB
1110 if (enc->width) {
1111 snprintf(buf + strlen(buf), buf_size - strlen(buf),
21189011
MN
1112 ", %dx%d",
1113 enc->width, enc->height);
ab1c6dc9 1114 if(av_log_level >= AV_LOG_DEBUG){
21189011
MN
1115 int g= ff_gcd(enc->time_base.num, enc->time_base.den);
1116 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1117 ", %d/%d",
1118 enc->time_base.num/g, enc->time_base.den/g);
1119 }
de6d9b64 1120 }
4bfad535
FB
1121 if (encode) {
1122 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1123 ", q=%d-%d", enc->qmin, enc->qmax);
1124 }
a96b68b7 1125 bitrate = enc->bit_rate;
de6d9b64
FB
1126 break;
1127 case CODEC_TYPE_AUDIO:
1128 snprintf(buf, buf_size,
1129 "Audio: %s",
1130 codec_name);
e0d2714a
J
1131 switch (enc->channels) {
1132 case 1:
623563c0 1133 strcpy(channels_str, "mono");
e0d2714a
J
1134 break;
1135 case 2:
623563c0 1136 strcpy(channels_str, "stereo");
e0d2714a
J
1137 break;
1138 case 6:
623563c0 1139 strcpy(channels_str, "5:1");
e0d2714a
J
1140 break;
1141 default:
2fc8ea24 1142 snprintf(channels_str, sizeof(channels_str), "%d channels", enc->channels);
e0d2714a
J
1143 break;
1144 }
de6d9b64
FB
1145 if (enc->sample_rate) {
1146 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1147 ", %d Hz, %s",
1148 enc->sample_rate,
e0d2714a 1149 channels_str);
de6d9b64 1150 }
115329f1 1151
a96b68b7
FB
1152 /* for PCM codecs, compute bitrate directly */
1153 switch(enc->codec_id) {
b461b3bc
RD
1154 case CODEC_ID_PCM_S32LE:
1155 case CODEC_ID_PCM_S32BE:
1156 case CODEC_ID_PCM_U32LE:
1157 case CODEC_ID_PCM_U32BE:
1158 bitrate = enc->sample_rate * enc->channels * 32;
1159 break;
1160 case CODEC_ID_PCM_S24LE:
1161 case CODEC_ID_PCM_S24BE:
1162 case CODEC_ID_PCM_U24LE:
1163 case CODEC_ID_PCM_U24BE:
1164 case CODEC_ID_PCM_S24DAUD:
1165 bitrate = enc->sample_rate * enc->channels * 24;
1166 break;
a96b68b7
FB
1167 case CODEC_ID_PCM_S16LE:
1168 case CODEC_ID_PCM_S16BE:
1169 case CODEC_ID_PCM_U16LE:
1170 case CODEC_ID_PCM_U16BE:
a190b7e9 1171 bitrate = enc->sample_rate * enc->channels * 16;
a96b68b7
FB
1172 break;
1173 case CODEC_ID_PCM_S8:
1174 case CODEC_ID_PCM_U8:
1175 case CODEC_ID_PCM_ALAW:
1176 case CODEC_ID_PCM_MULAW:
a190b7e9 1177 bitrate = enc->sample_rate * enc->channels * 8;
a96b68b7
FB
1178 break;
1179 default:
1180 bitrate = enc->bit_rate;
1181 break;
1182 }
de6d9b64 1183 break;
985180a1
FB
1184 case CODEC_TYPE_DATA:
1185 snprintf(buf, buf_size, "Data: %s", codec_name);
240c1657
FB
1186 bitrate = enc->bit_rate;
1187 break;
1188 case CODEC_TYPE_SUBTITLE:
1189 snprintf(buf, buf_size, "Subtitle: %s", codec_name);
985180a1
FB
1190 bitrate = enc->bit_rate;
1191 break;
de6d9b64 1192 default:
9fe5a7b8
MN
1193 snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
1194 return;
de6d9b64 1195 }
4bfad535
FB
1196 if (encode) {
1197 if (enc->flags & CODEC_FLAG_PASS1)
1198 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1199 ", pass 1");
1200 if (enc->flags & CODEC_FLAG_PASS2)
1201 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1202 ", pass 2");
1203 }
a96b68b7 1204 if (bitrate != 0) {
115329f1 1205 snprintf(buf + strlen(buf), buf_size - strlen(buf),
a96b68b7 1206 ", %d kb/s", bitrate / 1000);
de6d9b64
FB
1207 }
1208}
1209
156e5023
NK
1210unsigned avcodec_version( void )
1211{
1212 return LIBAVCODEC_VERSION_INT;
1213}
cf087595 1214
8bceb6af
NK
1215unsigned avcodec_build( void )
1216{
1217 return LIBAVCODEC_BUILD;
1218}
1219
43a80cce 1220static void init_crcs(void){
08cb1950 1221#if LIBAVUTIL_VERSION_INT < (50<<16)
43a80cce 1222 av_crc04C11DB7= av_mallocz_static(sizeof(AVCRC) * 257);
e027d0a8 1223 av_crc8005 = av_mallocz_static(sizeof(AVCRC) * 257);
b865838e 1224 av_crc07 = av_mallocz_static(sizeof(AVCRC) * 257);
08cb1950 1225#endif
43a80cce 1226 av_crc_init(av_crc04C11DB7, 0, 32, 0x04c11db7, sizeof(AVCRC)*257);
e027d0a8 1227 av_crc_init(av_crc8005 , 0, 16, 0x8005 , sizeof(AVCRC)*257);
b865838e 1228 av_crc_init(av_crc07 , 0, 8, 0x07 , sizeof(AVCRC)*257);
43a80cce
MN
1229}
1230
de6d9b64
FB
1231void avcodec_init(void)
1232{
0344cd0a
AB
1233 static int inited = 0;
1234
1235 if (inited != 0)
bb270c08 1236 return;
0344cd0a
AB
1237 inited = 1;
1238
486497e0 1239 dsputil_static_init();
43a80cce 1240 init_crcs();
de6d9b64
FB
1241}
1242
1c2a8c7f
MN
1243void avcodec_flush_buffers(AVCodecContext *avctx)
1244{
7a06ff14
MN
1245 if(avctx->codec->flush)
1246 avctx->codec->flush(avctx);
1c2a8c7f
MN
1247}
1248
b100eab8 1249void avcodec_default_free_buffers(AVCodecContext *s){
d90cf87b
MN
1250 int i, j;
1251
1252 if(s->internal_buffer==NULL) return;
115329f1 1253
d90cf87b
MN
1254 for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
1255 InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];
1256 for(j=0; j<4; j++){
1257 av_freep(&buf->base[j]);
1258 buf->data[j]= NULL;
1259 }
1260 }
1261 av_freep(&s->internal_buffer);
115329f1 1262
d90cf87b
MN
1263 s->internal_buffer_count=0;
1264}
1265
d8085ea7
MN
1266char av_get_pict_type_char(int pict_type){
1267 switch(pict_type){
115329f1
DB
1268 case I_TYPE: return 'I';
1269 case P_TYPE: return 'P';
1270 case B_TYPE: return 'B';
1271 case S_TYPE: return 'S';
1272 case SI_TYPE:return 'i';
1273 case SP_TYPE:return 'p';
d8085ea7
MN
1274 default: return '?';
1275 }
1276}
1277
ac3e1834
BC
1278int av_get_bits_per_sample(enum CodecID codec_id){
1279 switch(codec_id){
5da71469 1280 case CODEC_ID_ADPCM_SBPRO_2:
f1b163e0 1281 return 2;
5da71469 1282 case CODEC_ID_ADPCM_SBPRO_3:
f1b163e0 1283 return 3;
5da71469 1284 case CODEC_ID_ADPCM_SBPRO_4:
f1b163e0
AJ
1285 case CODEC_ID_ADPCM_CT:
1286 return 4;
ac3e1834
BC
1287 case CODEC_ID_PCM_ALAW:
1288 case CODEC_ID_PCM_MULAW:
1289 case CODEC_ID_PCM_S8:
1290 case CODEC_ID_PCM_U8:
1291 return 8;
1292 case CODEC_ID_PCM_S16BE:
1293 case CODEC_ID_PCM_S16LE:
1294 case CODEC_ID_PCM_U16BE:
1295 case CODEC_ID_PCM_U16LE:
1296 return 16;
1297 case CODEC_ID_PCM_S24DAUD:
1298 case CODEC_ID_PCM_S24BE:
1299 case CODEC_ID_PCM_S24LE:
1300 case CODEC_ID_PCM_U24BE:
1301 case CODEC_ID_PCM_U24LE:
1302 return 24;
1303 case CODEC_ID_PCM_S32BE:
1304 case CODEC_ID_PCM_S32LE:
1305 case CODEC_ID_PCM_U32BE:
1306 case CODEC_ID_PCM_U32LE:
1307 return 32;
1308 default:
1309 return 0;
1310 }
1311}
1312
2450cff2 1313#if !defined(HAVE_THREADS)
ca8ad847
MN
1314int avcodec_thread_init(AVCodecContext *s, int thread_count){
1315 return -1;
1316}
1317#endif
ad2b531d
MR
1318
1319unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
1320{
1321 unsigned int n = 0;
1322
1323 while(v >= 0xff) {
1324 *s++ = 0xff;
1325 v -= 0xff;
1326 n++;
1327 }
1328 *s = v;
1329 n++;
1330 return n;
1331}
1005f542
CH
1332
1333/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
1334 * Also, tries to create file in /tmp first, if possible.
1335 * *prefix can be a character constant; *filename will be allocated internally.
1336 * Returns file descriptor of opened file (or -1 on error)
1337 * and opened file name in **filename. */
1338int av_tempfile(char *prefix, char **filename) {
1339 int fd=-1;
6ffa87d3 1340#if !defined(HAVE_MKSTEMP)
1005f542
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1341 *filename = tempnam(".", prefix);
1342#else
1343 size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
f2508b17 1344 *filename = av_malloc(len);
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1345#endif
1346 /* -----common section-----*/
1347 if (*filename == NULL) {
1348 av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
1349 return -1;
1350 }
6ffa87d3 1351#if !defined(HAVE_MKSTEMP)
76353b42 1352 fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
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1353#else
1354 snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
1355 fd = mkstemp(*filename);
1356 if (fd < 0) {
1357 snprintf(*filename, len, "./%sXXXXXX", prefix);
1358 fd = mkstemp(*filename);
1359 }
1360#endif
1361 /* -----common section-----*/
1362 if (fd < 0) {
1363 av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
1364 return -1;
1365 }
1366 return fd; /* success */
1367}
26ef3220
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1368
1369typedef struct {
c0ad72a7 1370 const char *abbr;
26ef3220 1371 int width, height;
c0ad72a7
SS
1372} VideoFrameSizeAbbr;
1373
1374typedef struct {
1375 const char *abbr;
1376 int rate_num, rate_den;
1377} VideoFrameRateAbbr;
1378
1379static VideoFrameSizeAbbr video_frame_size_abbrs[] = {
1380 { "ntsc", 720, 480 },
1381 { "pal", 720, 576 },
1382 { "qntsc", 352, 240 }, /* VCD compliant NTSC */
1383 { "qpal", 352, 288 }, /* VCD compliant PAL */
1384 { "sntsc", 640, 480 }, /* square pixel NTSC */
1385 { "spal", 768, 576 }, /* square pixel PAL */
1386 { "film", 352, 240 },
1387 { "ntsc-film", 352, 240 },
1388 { "sqcif", 128, 96 },
1389 { "qcif", 176, 144 },
1390 { "cif", 352, 288 },
1391 { "4cif", 704, 576 },
1392 { "qqvga", 160, 120 },
1393 { "qvga", 320, 240 },
1394 { "vga", 640, 480 },
1395 { "svga", 800, 600 },
1396 { "xga", 1024, 768 },
1397 { "uxga", 1600,1200 },
1398 { "qxga", 2048,1536 },
1399 { "sxga", 1280,1024 },
1400 { "qsxga", 2560,2048 },
1401 { "hsxga", 5120,4096 },
1402 { "wvga", 852, 480 },
1403 { "wxga", 1366, 768 },
1404 { "wsxga", 1600,1024 },
1405 { "wuxga", 1920,1200 },
1406 { "woxga", 2560,1600 },
1407 { "wqsxga", 3200,2048 },
1408 { "wquxga", 3840,2400 },
1409 { "whsxga", 6400,4096 },
1410 { "whuxga", 7680,4800 },
1411 { "cga", 320, 200 },
1412 { "ega", 640, 350 },
1413 { "hd480", 852, 480 },
1414 { "hd720", 1280, 720 },
1415 { "hd1080", 1920,1080 },
1416};
1417
1418static VideoFrameRateAbbr video_frame_rate_abbrs[]= {
1419 { "ntsc", 30000, 1001 },
1420 { "pal", 25, 1 },
1421 { "qntsc", 30000, 1001 }, /* VCD compliant NTSC */
1422 { "qpal", 25, 1 }, /* VCD compliant PAL */
1423 { "sntsc", 30000, 1001 }, /* square pixel NTSC */
1424 { "spal", 25, 1 }, /* square pixel PAL */
1425 { "film", 24, 1 },
1426 { "ntsc-film", 24000, 1001 },
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1427};
1428
1429int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str)
1430{
1431 int i;
c0ad72a7 1432 int n = sizeof(video_frame_size_abbrs) / sizeof(VideoFrameSizeAbbr);
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SS
1433 const char *p;
1434 int frame_width = 0, frame_height = 0;
1435
1436 for(i=0;i<n;i++) {
c0ad72a7
SS
1437 if (!strcmp(video_frame_size_abbrs[i].abbr, str)) {
1438 frame_width = video_frame_size_abbrs[i].width;
1439 frame_height = video_frame_size_abbrs[i].height;
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1440 break;
1441 }
1442 }
1443 if (i == n) {
1444 p = str;
1445 frame_width = strtol(p, (char **)&p, 10);
1446 if (*p)
1447 p++;
1448 frame_height = strtol(p, (char **)&p, 10);
1449 }
1450 if (frame_width <= 0 || frame_height <= 0)
1451 return -1;
1452 *width_ptr = frame_width;
1453 *height_ptr = frame_height;
1454 return 0;
1455}
1456
1457int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg)
1458{
1459 int i;
c0ad72a7 1460 int n = sizeof(video_frame_rate_abbrs) / sizeof(VideoFrameRateAbbr);
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1461 char* cp;
1462
1463 /* First, we check our abbreviation table */
c0ad72a7
SS
1464 for (i = 0; i < n; ++i)
1465 if (!strcmp(video_frame_rate_abbrs[i].abbr, arg)) {
1466 frame_rate->num = video_frame_rate_abbrs[i].rate_num;
1467 frame_rate->den = video_frame_rate_abbrs[i].rate_den;
26ef3220
SS
1468 return 0;
1469 }
1470
1471 /* Then, we try to parse it as fraction */
1472 cp = strchr(arg, '/');
1473 if (!cp)
1474 cp = strchr(arg, ':');
1475 if (cp) {
1476 char* cpp;
1477 frame_rate->num = strtol(arg, &cpp, 10);
1478 if (cpp != arg || cpp == cp)
1479 frame_rate->den = strtol(cp+1, &cpp, 10);
1480 else
1481 frame_rate->num = 0;
1482 }
1483 else {
1484 /* Finally we give up and parse it as double */
1485 AVRational time_base = av_d2q(strtod(arg, 0), DEFAULT_FRAME_RATE_BASE);
1486 frame_rate->den = time_base.den;
1487 frame_rate->num = time_base.num;
1488 }
1489 if (!frame_rate->num || !frame_rate->den)
1490 return -1;
1491 else
1492 return 0;
1493}