Use PRId64 in seek test
[libav.git] / libavcodec / utils.c
CommitLineData
de6d9b64
FB
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
DB
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
ff4ec49e
FB
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
ddebfb15
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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
MN
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)
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BP
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
21adafec
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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];
0701006e
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150 int width, height;
151 enum PixelFormat pix_fmt;
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152}InternalBuffer;
153
154#define INTERNAL_BUFFER_SIZE 32
1e491e29 155
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156#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
157
158void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
115329f1
DB
159 int w_align= 1;
160 int h_align= 1;
161
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162 switch(s->pix_fmt){
163 case PIX_FMT_YUV420P:
71e445fc 164 case PIX_FMT_YUYV422:
ebb177dd 165 case PIX_FMT_UYVY422:
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166 case PIX_FMT_YUV422P:
167 case PIX_FMT_YUV444P:
168 case PIX_FMT_GRAY8:
34380af0
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169 case PIX_FMT_GRAY16BE:
170 case PIX_FMT_GRAY16LE:
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171 case PIX_FMT_YUVJ420P:
172 case PIX_FMT_YUVJ422P:
173 case PIX_FMT_YUVJ444P:
174 w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
175 h_align= 16;
176 break;
177 case PIX_FMT_YUV411P:
71e445fc 178 case PIX_FMT_UYYVYY411:
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179 w_align=32;
180 h_align=8;
181 break;
182 case PIX_FMT_YUV410P:
183 if(s->codec_id == CODEC_ID_SVQ1){
184 w_align=64;
185 h_align=64;
186 }
d99fbbf4
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187 case PIX_FMT_RGB555:
188 if(s->codec_id == CODEC_ID_RPZA){
189 w_align=4;
190 h_align=4;
191 }
192 case PIX_FMT_PAL8:
193 if(s->codec_id == CODEC_ID_SMC){
194 w_align=4;
195 h_align=4;
196 }
f0bbfc4a 197 break;
c31b8121
RT
198 case PIX_FMT_BGR24:
199 if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){
200 w_align=4;
201 h_align=4;
202 }
203 break;
f0bbfc4a
MN
204 default:
205 w_align= 1;
206 h_align= 1;
207 break;
208 }
209
210 *width = ALIGN(*width , w_align);
211 *height= ALIGN(*height, h_align);
212}
213
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214int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){
215 if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/4)
216 return 0;
115329f1 217
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MN
218 av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h);
219 return -1;
220}
221
492cd3a9 222int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
1e491e29 223 int i;
f0bbfc4a
MN
224 int w= s->width;
225 int h= s->height;
d90cf87b 226 InternalBuffer *buf;
237e4938 227 int *picture_number;
0ecca7a4 228
65d999d6
MB
229 if(pic->data[0]!=NULL) {
230 av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
231 return -1;
232 }
233 if(s->internal_buffer_count >= INTERNAL_BUFFER_SIZE) {
234 av_log(s, AV_LOG_ERROR, "internal_buffer_count overflow (missing release_buffer?)\n");
235 return -1;
236 }
1e491e29 237
0ecca7a4
MN
238 if(avcodec_check_dimensions(s,w,h))
239 return -1;
240
d90cf87b
MN
241 if(s->internal_buffer==NULL){
242 s->internal_buffer= av_mallocz(INTERNAL_BUFFER_SIZE*sizeof(InternalBuffer));
243 }
244#if 0
245 s->internal_buffer= av_fast_realloc(
115329f1
DB
246 s->internal_buffer,
247 &s->internal_buffer_size,
d90cf87b
MN
248 sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/
249 );
250#endif
115329f1 251
d90cf87b 252 buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
237e4938
MN
253 picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE-1]).last_pic_num; //FIXME ugly hack
254 (*picture_number)++;
115329f1 255
0701006e
MN
256 if(buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)){
257 for(i=0; i<4; i++){
258 av_freep(&buf->base[i]);
259 buf->data[i]= NULL;
260 }
261 }
262
d90cf87b 263 if(buf->base[0]){
237e4938
MN
264 pic->age= *picture_number - buf->last_pic_num;
265 buf->last_pic_num= *picture_number;
1e491e29 266 }else{
f0bbfc4a 267 int h_chroma_shift, v_chroma_shift;
c7622f9a
MN
268 int pixel_size, size[3];
269 AVPicture picture;
270
1e491e29 271 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
f0bbfc4a
MN
272
273 avcodec_align_dimensions(s, &w, &h);
115329f1 274
1e491e29
MN
275 if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
276 w+= EDGE_WIDTH*2;
277 h+= EDGE_WIDTH*2;
278 }
5b67307a
LM
279 avcodec_align_dimensions(s, &w, &h);
280
c7622f9a
MN
281 avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
282 pixel_size= picture.linesize[0]*8 / w;
283//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d\n", (int)picture.data[1], w, h, s->pix_fmt);
284 assert(pixel_size>=1);
755bfeab 285 //FIXME next ensures that linesize= 2^x uvlinesize, that is needed because some MC code assumes it
c7622f9a
MN
286 if(pixel_size == 3*8)
287 w= ALIGN(w, STRIDE_ALIGN<<h_chroma_shift);
288 else
289 w= ALIGN(pixel_size*w, STRIDE_ALIGN<<(h_chroma_shift+3)) / pixel_size;
290 size[1] = avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
291 size[0] = picture.linesize[0] * h;
292 size[1] -= size[0];
293 if(picture.data[2])
294 size[1]= size[2]= size[1]/2;
295 else
296 size[2]= 0;
297
d90cf87b 298 buf->last_pic_num= -256*256*256*64;
c7622f9a
MN
299 memset(buf->base, 0, sizeof(buf->base));
300 memset(buf->data, 0, sizeof(buf->data));
1e491e29 301
c7622f9a 302 for(i=0; i<3 && size[i]; i++){
2c19981a
MN
303 const int h_shift= i==0 ? 0 : h_chroma_shift;
304 const int v_shift= i==0 ? 0 : v_chroma_shift;
1e491e29 305
c7622f9a 306 buf->linesize[i]= picture.linesize[i];
1e491e29 307
c7622f9a 308 buf->base[i]= av_malloc(size[i]+16); //FIXME 16
d90cf87b 309 if(buf->base[i]==NULL) return -1;
c7622f9a
MN
310 memset(buf->base[i], 128, size[i]);
311
312 // no edge if EDEG EMU or not planar YUV, we check for PAL8 redundantly to protect against a exploitable bug regression ...
115329f1 313 if((s->flags&CODEC_FLAG_EMU_EDGE) || (s->pix_fmt == PIX_FMT_PAL8) || !size[2])
d90cf87b 314 buf->data[i] = buf->base[i];
1e491e29 315 else
3237f731 316 buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), STRIDE_ALIGN);
1e491e29 317 }
0701006e
MN
318 buf->width = s->width;
319 buf->height = s->height;
320 buf->pix_fmt= s->pix_fmt;
1e491e29
MN
321 pic->age= 256*256*256*64;
322 }
237e4938 323 pic->type= FF_BUFFER_TYPE_INTERNAL;
1e491e29 324
d90cf87b
MN
325 for(i=0; i<4; i++){
326 pic->base[i]= buf->base[i];
327 pic->data[i]= buf->data[i];
237e4938 328 pic->linesize[i]= buf->linesize[i];
d90cf87b
MN
329 }
330 s->internal_buffer_count++;
331
1e491e29
MN
332 return 0;
333}
334
492cd3a9 335void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
1e491e29 336 int i;
6829ac8d 337 InternalBuffer *buf, *last;
d90cf87b 338
4e00e76b 339 assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
59c673d5 340 assert(s->internal_buffer_count);
d90cf87b 341
b1609412 342 buf = NULL; /* avoids warning */
d90cf87b
MN
343 for(i=0; i<s->internal_buffer_count; i++){ //just 3-5 checks so is not worth to optimize
344 buf= &((InternalBuffer*)s->internal_buffer)[i];
345 if(buf->data[0] == pic->data[0])
346 break;
347 }
348 assert(i < s->internal_buffer_count);
349 s->internal_buffer_count--;
350 last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
351
6829ac8d 352 FFSWAP(InternalBuffer, *buf, *last);
d90cf87b
MN
353
354 for(i=0; i<3; i++){
1e491e29 355 pic->data[i]=NULL;
d90cf87b
MN
356// pic->base[i]=NULL;
357 }
1e491e29
MN
358//printf("R%X\n", pic->opaque);
359}
360
e1c2a5a0
RT
361int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
362 AVFrame temp_pic;
363 int i;
364
365 /* If no picture return a new buffer */
366 if(pic->data[0] == NULL) {
367 /* We will copy from buffer, so must be readable */
368 pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
369 return s->get_buffer(s, pic);
370 }
371
372 /* If internal buffer type return the same buffer */
373 if(pic->type == FF_BUFFER_TYPE_INTERNAL)
374 return 0;
375
376 /*
377 * Not internal type and reget_buffer not overridden, emulate cr buffer
378 */
379 temp_pic = *pic;
380 for(i = 0; i < 4; i++)
381 pic->data[i] = pic->base[i] = NULL;
382 pic->opaque = NULL;
383 /* Allocate new frame */
384 if (s->get_buffer(s, pic))
385 return -1;
386 /* Copy image data from old buffer to new buffer */
636d6a4a 387 av_picture_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
e1c2a5a0
RT
388 s->height);
389 s->release_buffer(s, &temp_pic); // Release old frame
390 return 0;
391}
392
9c3d33d6
MN
393int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){
394 int i;
395
396 for(i=0; i<count; i++){
397 int r= func(c, arg[i]);
398 if(ret) ret[i]= r;
399 }
400 return 0;
401}
402
494c56d3 403enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt){
a33c7159
MN
404 return fmt[0];
405}
406
43465395
MN
407static const char* context_to_name(void* ptr) {
408 AVCodecContext *avc= ptr;
409
410 if(avc && avc->codec && avc->codec->name)
115329f1 411 return avc->codec->name;
43465395
MN
412 else
413 return "NULL";
414}
415
66acccf0 416#define OFFSET(x) offsetof(AVCodecContext,x)
755bfeab 417#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
8bbf6db9
MN
418//these names are too long to be readable
419#define V AV_OPT_FLAG_VIDEO_PARAM
420#define A AV_OPT_FLAG_AUDIO_PARAM
421#define S AV_OPT_FLAG_SUBTITLE_PARAM
115329f1 422#define E AV_OPT_FLAG_ENCODING_PARAM
8bbf6db9 423#define D AV_OPT_FLAG_DECODING_PARAM
860a40c8 424
0b97eea3 425#define AV_CODEC_DEFAULT_BITRATE 200*1000
8c3dd5dc 426
62a05b5b 427static const AVOption options[]={
6289025d
MN
428{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE, INT_MIN, INT_MAX, V|E},
429{"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, 64*1000, INT_MIN, INT_MAX, A|E},
a45bc592 430{"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 431{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|A|E|D, "flags"},
fac862c6
MN
432{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_4MV, INT_MIN, INT_MAX, V|E, "flags"},
433{"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_OBMC, INT_MIN, INT_MAX, V|E, "flags"},
434{"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QPEL, INT_MIN, INT_MAX, V|E, "flags"},
435{"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOOP_FILTER, INT_MIN, INT_MAX, V|E, "flags"},
436{"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QSCALE, INT_MIN, INT_MAX, 0, "flags"},
437{"gmc", "use gmc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GMC, INT_MIN, INT_MAX, V|E, "flags"},
438{"mv0", "always try a mb with mv=<0,0>", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_MV0, INT_MIN, INT_MAX, V|E, "flags"},
439{"part", "use data partitioning", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PART, INT_MIN, INT_MAX, V|E, "flags"},
440{"input_preserved", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INPUT_PRESERVED, INT_MIN, INT_MAX, 0, "flags"},
441{"pass1", "use internal 2pass ratecontrol in first pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS1, INT_MIN, INT_MAX, 0, "flags"},
442{"pass2", "use internal 2pass ratecontrol in second pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS2, INT_MIN, INT_MAX, 0, "flags"},
443{"extern_huff", "use external huffman table (for mjpeg)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EXTERN_HUFF, INT_MIN, INT_MAX, 0, "flags"},
444{"gray", "only decode/encode grayscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GRAY, INT_MIN, INT_MAX, V|E|D, "flags"},
445{"emu_edge", "don't draw edges", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EMU_EDGE, INT_MIN, INT_MAX, 0, "flags"},
446{"psnr", "error[?] variables will be set during encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PSNR, INT_MIN, INT_MAX, V|E, "flags"},
447{"truncated", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRUNCATED, INT_MIN, INT_MAX, 0, "flags"},
448{"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_NORMALIZE_AQP, INT_MIN, INT_MAX, V|E, "flags"},
449{"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_DCT, INT_MIN, INT_MAX, V|E, "flags"},
9cc6be9d 450{"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOW_DELAY, INT_MIN, INT_MAX, V|D|E, "flags"},
fac862c6
MN
451{"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_ALT_SCAN, INT_MIN, INT_MAX, V|E, "flags"},
452{"trell", "use trellis quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRELLIS_QUANT, INT_MIN, INT_MAX, V|E, "flags"},
453{"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"},
454{"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"},
455{"aic", "h263 advanced intra coding / mpeg4 ac prediction", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_AC_PRED, INT_MIN, INT_MAX, V|E, "flags"},
456{"umv", "use unlimited motion vectors", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_UMV, INT_MIN, INT_MAX, V|E, "flags"},
457{"cbp", "use rate distortion optimization for cbp", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CBP_RD, INT_MIN, INT_MAX, V|E, "flags"},
8f196b14 458{"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
459{"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_AIV, INT_MIN, INT_MAX, V|E, "flags"},
460{"slice", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_SLICE_STRUCT, INT_MIN, INT_MAX, V|E, "flags"},
461{"ilme", "interlaced motion estimation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_ME, INT_MIN, INT_MAX, V|E, "flags"},
462{"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 463{"cgop", "closed gop", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CLOSED_GOP, INT_MIN, INT_MAX, V|E, "flags"},
fac862c6
MN
464{"fast", "allow non spec compliant speedup tricks", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FAST, INT_MIN, INT_MAX, V|E, "flags2"},
465{"sgop", "strictly enforce gop size", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_STRICT_GOP, INT_MIN, INT_MAX, V|E, "flags2"},
466{"noout", "skip bitstream encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NO_OUTPUT, INT_MIN, INT_MAX, V|E, "flags2"},
467{"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 468{"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f 469{"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
470#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
471{"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"},
472#endif
473{"zero", "zero motion estimation (fastest)", 0, FF_OPT_TYPE_CONST, ME_ZERO, INT_MIN, INT_MAX, V|E, "me_method" },
474{"full", "full motion estimation (slowest)", 0, FF_OPT_TYPE_CONST, ME_FULL, INT_MIN, INT_MAX, V|E, "me_method" },
475{"epzs", "EPZS motion estimation (default)", 0, FF_OPT_TYPE_CONST, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method" },
476{"log", "log motion estimation", 0, FF_OPT_TYPE_CONST, ME_LOG, INT_MIN, INT_MAX, V|E, "me_method" },
477{"phods", "phods motion estimation", 0, FF_OPT_TYPE_CONST, ME_PHODS, INT_MIN, INT_MAX, V|E, "me_method" },
478{"x1", "X1 motion estimation", 0, FF_OPT_TYPE_CONST, ME_X1, INT_MIN, INT_MAX, V|E, "me_method" },
479{"hex", "hex motion estimation", 0, FF_OPT_TYPE_CONST, ME_HEX, INT_MIN, INT_MAX, V|E, "me_method" },
480{"umh", "umh motion estimation", 0, FF_OPT_TYPE_CONST, ME_UMH, INT_MIN, INT_MAX, V|E, "me_method" },
481{"iter", "iter motion estimation", 0, FF_OPT_TYPE_CONST, ME_ITER, INT_MIN, INT_MAX, V|E, "me_method" },
860a40c8
MN
482{"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
483{"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 484{"g", "set the group of picture size", OFFSET(gop_size), FF_OPT_TYPE_INT, 12, INT_MIN, INT_MAX, V|E},
119aae1d 485{"rate_emu", "frame rate emulation", OFFSET(rate_emu), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 486{"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
462209fe 487{"ac", "set number of audio channels", OFFSET(channels), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
14f0c8e2 488{"cutoff", "set cutoff bandwidth", OFFSET(cutoff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
c6375bf2 489{"frame_size", NULL, OFFSET(frame_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
860a40c8
MN
490{"frame_number", NULL, OFFSET(frame_number), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
491{"real_pict_num", NULL, OFFSET(real_pict_num), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
492{"delay", NULL, OFFSET(delay), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
4bef236b
DB
493{"qcomp", "video quantizer scale compression (VBR)", OFFSET(qcompress), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, FLT_MAX, V|E},
494{"qblur", "video quantizer scale blur (VBR)", OFFSET(qblur), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, FLT_MAX, V|E},
495{"qmin", "min video quantizer scale (VBR)", OFFSET(qmin), FF_OPT_TYPE_INT, 2, 1, 51, V|E},
496{"qmax", "max video quantizer scale (VBR)", OFFSET(qmax), FF_OPT_TYPE_INT, 31, 1, 51, V|E},
497{"qdiff", "max difference between the quantizer scale (VBR)", OFFSET(max_qdiff), FF_OPT_TYPE_INT, 3, INT_MIN, INT_MAX, V|E},
315b0f97 498{"bf", "use 'frames' B frames", OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, 0, FF_MAX_B_FRAMES, V|E},
7df00a4e 499{"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
500{"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
501{"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 502{"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
ccec0f4f 503#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
860a40c8 504{"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
ccec0f4f 505#endif
ea0fe83b 506{"ps", "rtp payload size in bits", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8
MN
507{"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
508{"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
509{"i_tex_bits", NULL, OFFSET(i_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
510{"p_tex_bits", NULL, OFFSET(p_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
511{"i_count", NULL, OFFSET(i_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
512{"p_count", NULL, OFFSET(p_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
513{"skip_count", NULL, OFFSET(skip_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
514{"misc_bits", NULL, OFFSET(misc_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
515{"frame_bits", NULL, OFFSET(frame_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
516{"codec_tag", NULL, OFFSET(codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 517{"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 518{"autodetect", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
97041923
VP
519{"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"},
520{"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"},
521{"ump4", "(autodetected if fourcc==UMP4)", 0, FF_OPT_TYPE_CONST, FF_BUG_UMP4, INT_MIN, INT_MAX, V|D, "bug"},
522{"no_padding", "padding bug (autodetected)", 0, FF_OPT_TYPE_CONST, FF_BUG_NO_PADDING, INT_MIN, INT_MAX, V|D, "bug"},
fac862c6 523{"amv", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AMV, INT_MIN, INT_MAX, V|D, "bug"},
97041923 524{"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 525{"qpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
97041923 526{"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 527{"qpel_chroma2", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA2, INT_MIN, INT_MAX, V|D, "bug"},
97041923
VP
528{"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"},
529{"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
530{"hpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_HPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
531{"dc_clip", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DC_CLIP, INT_MIN, INT_MAX, V|D, "bug"},
119aae1d 532{"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
533{"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},
534{"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 535{"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
536{"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"},
537{"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 538{"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|E, "strict"},
119aae1d 539{"inofficial", "allow inofficial extensions", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|E, "strict"},
fe037229 540{"experimental", "allow non standardized experimental things", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|E, "strict"},
7df00a4e 541{"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 542{"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
543{"careful", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
544{"compliant", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_COMPLIANT, INT_MIN, INT_MAX, V|D, "er"},
545{"aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
546{"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_VERY_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
860a40c8
MN
547{"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
548{"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
549{"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
97041923 550{"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
551{"stats_out", NULL, OFFSET(stats_out), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
552{"stats_in", NULL, OFFSET(stats_in), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
4bef236b 553{"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
554{"rc_qmod_amp", "experimental quantizer modulation", OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
555{"rc_qmod_freq", "experimental quantizer modulation", OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8 556{"rc_override_count", NULL, OFFSET(rc_override_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f 557{"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
7df00a4e
PI
558{"maxrate", "set max video bitrate tolerance (in bits/s)", OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
559{"minrate", "set min video bitrate tolerance (in bits/s)", OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
560{"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
97041923 561{"rc_buf_aggressivity", "currently useless", OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, 1.0, FLT_MIN, FLT_MAX, V|E},
fda7eb90 562{"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
563{"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},
564{"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
565{"dct", "DCT algorithm", OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
566{"auto", "autoselect a good one (default)", 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
567{"fastint", "fast integer", 0, FF_OPT_TYPE_CONST, FF_DCT_FASTINT, INT_MIN, INT_MAX, V|E, "dct"},
568{"int", "accurate integer", 0, FF_OPT_TYPE_CONST, FF_DCT_INT, INT_MIN, INT_MAX, V|E, "dct"},
fac862c6
MN
569{"mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MMX, INT_MIN, INT_MAX, V|E, "dct"},
570{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MLIB, INT_MIN, INT_MAX, V|E, "dct"},
571{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_ALTIVEC, INT_MIN, INT_MAX, V|E, "dct"},
4a1bb619 572{"faan", "floating point AAN DCT", 0, FF_OPT_TYPE_CONST, FF_DCT_FAAN, INT_MIN, INT_MAX, V|E, "dct"},
97041923 573{"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
574{"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
575{"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
576{"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
97041923 577{"dark_mask", "compresses dark areas stronger than medium ones", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
860a40c8 578{"unused", NULL, OFFSET(unused), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
895bf499 579{"idct", "select IDCT implementation", OFFSET(idct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E|D, "idct"},
fac862c6
MN
580{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_AUTO, INT_MIN, INT_MAX, V|E|D, "idct"},
581{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_INT, INT_MIN, INT_MAX, V|E|D, "idct"},
582{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLE, INT_MIN, INT_MAX, V|E|D, "idct"},
583{"simplemmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
584{"libmpeg2mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_LIBMPEG2MMX, INT_MIN, INT_MAX, V|E|D, "idct"},
585{"ps2", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_PS2, INT_MIN, INT_MAX, V|E|D, "idct"},
586{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_MLIB, INT_MIN, INT_MAX, V|E|D, "idct"},
587{"arm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ARM, INT_MIN, INT_MAX, V|E|D, "idct"},
588{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ALTIVEC, INT_MIN, INT_MAX, V|E|D, "idct"},
589{"sh4", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SH4, INT_MIN, INT_MAX, V|E|D, "idct"},
590{"simplearm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARM, INT_MIN, INT_MAX, V|E|D, "idct"},
a0403006 591{"simplearmv5te", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARMV5TE, INT_MIN, INT_MAX, V|E|D, "idct"},
fac862c6
MN
592{"h264", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_H264, INT_MIN, INT_MAX, V|E|D, "idct"},
593{"vp3", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_VP3, INT_MIN, INT_MAX, V|E|D, "idct"},
594{"ipp", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_IPP, INT_MIN, INT_MAX, V|E|D, "idct"},
595{"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_XVIDMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
860a40c8 596{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
97041923
VP
597{"ec", "set error concealment strategy", OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
598{"guess_mvs", "iterative motion vector (MV) search (slow)", 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
599{"deblock", "use strong deblock filter for damaged MBs", 0, FF_OPT_TYPE_CONST, FF_EC_DEBLOCK, INT_MIN, INT_MAX, V|D, "ec"},
860a40c8 600{"bits_per_sample", NULL, OFFSET(bits_per_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
8f196b14 601{"pred", "prediction method", OFFSET(prediction_method), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "pred"},
fac862c6
MN
602{"left", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_LEFT, INT_MIN, INT_MAX, V|E, "pred"},
603{"plane", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_PLANE, INT_MIN, INT_MAX, V|E, "pred"},
604{"median", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_MEDIAN, INT_MIN, INT_MAX, V|E, "pred"},
119aae1d 605{"aspect", "sample aspect ratio", OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, DEFAULT, 0, 10, V|E},
637b5326 606{"debug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, DEFAULT, 0, INT_MAX, V|A|S|E|D, "debug"},
97041923
VP
607{"pict", "picture info", 0, FF_OPT_TYPE_CONST, FF_DEBUG_PICT_INFO, INT_MIN, INT_MAX, V|D, "debug"},
608{"rc", "rate control", 0, FF_OPT_TYPE_CONST, FF_DEBUG_RC, INT_MIN, INT_MAX, V|E, "debug"},
fac862c6 609{"bitstream", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BITSTREAM, INT_MIN, INT_MAX, V|D, "debug"},
97041923
VP
610{"mb_type", "macroblock (MB) type", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
611{"qp", "per-block quantization parameter (QP)", 0, FF_OPT_TYPE_CONST, FF_DEBUG_QP, INT_MIN, INT_MAX, V|D, "debug"},
612{"mv", "motion vector", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MV, INT_MIN, INT_MAX, V|D, "debug"},
fac862c6
MN
613{"dct_coeff", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_DCT_COEFF, INT_MIN, INT_MAX, V|D, "debug"},
614{"skip", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_SKIP, INT_MIN, INT_MAX, V|D, "debug"},
615{"startcode", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_STARTCODE, INT_MIN, INT_MAX, V|D, "debug"},
616{"pts", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PTS, INT_MIN, INT_MAX, V|D, "debug"},
97041923
VP
617{"er", "error resilience", 0, FF_OPT_TYPE_CONST, FF_DEBUG_ER, INT_MIN, INT_MAX, V|D, "debug"},
618{"mmco", "memory management control operations (H.264)", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MMCO, INT_MIN, INT_MAX, V|D, "debug"},
fac862c6 619{"bugs", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BUGS, INT_MIN, INT_MAX, V|D, "debug"},
97041923
VP
620{"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"},
621{"vis_mb_type", "visualize block types", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
622{"vismv", "visualize motion vectors (MVs)", OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|D, "debug_mv"},
623{"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"},
624{"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"},
625{"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
626{"mb_qmin", "obsolete, use qmin", OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
627{"mb_qmax", "obsolete, use qmax", OFFSET(mb_qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
fac862c6
MN
628{"cmp", "full pel me compare function", OFFSET(me_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
629{"subcmp", "sub pel me compare function", OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
ec9127c4 630{"mbcmp", "macroblock compare function", OFFSET(mb_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
8c3dd5dc 631{"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
632{"dia_size", "diamond type & size for motion estimation", OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
633{"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 634{"preme", "pre motion estimation", OFFSET(pre_me), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
ec9127c4 635{"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
636{"sad", "sum of absolute differences, fast (default)", 0, FF_OPT_TYPE_CONST, FF_CMP_SAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
637{"sse", "sum of squared errors", 0, FF_OPT_TYPE_CONST, FF_CMP_SSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
638{"satd", "sum of absolute Hadamard transformed differences", 0, FF_OPT_TYPE_CONST, FF_CMP_SATD, INT_MIN, INT_MAX, V|E, "cmp_func"},
639{"dct", "sum of absolute DCT transformed differences", 0, FF_OPT_TYPE_CONST, FF_CMP_DCT, INT_MIN, INT_MAX, V|E, "cmp_func"},
640{"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"},
641{"bit", "number of bits needed for the block", 0, FF_OPT_TYPE_CONST, FF_CMP_BIT, INT_MIN, INT_MAX, V|E, "cmp_func"},
642{"rd", "rate distortion optimal, slow", 0, FF_OPT_TYPE_CONST, FF_CMP_RD, INT_MIN, INT_MAX, V|E, "cmp_func"},
643{"zero", "0", 0, FF_OPT_TYPE_CONST, FF_CMP_ZERO, INT_MIN, INT_MAX, V|E, "cmp_func"},
644{"vsad", "sum of absolute vertical differences", 0, FF_OPT_TYPE_CONST, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
645{"vsse","sum of squared vertical differences", 0, FF_OPT_TYPE_CONST, FF_CMP_VSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
646{"nsse", "noise preserving sum of squared differences", 0, FF_OPT_TYPE_CONST, FF_CMP_NSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
3a6fc8fa 647#ifdef CONFIG_SNOW_ENCODER
97041923
VP
648{"w53", "5/3 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, FF_CMP_W53, INT_MIN, INT_MAX, V|E, "cmp_func"},
649{"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 650#endif
fac862c6
MN
651{"dctmax", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
652{"chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_CHROMA, INT_MIN, INT_MAX, V|E, "cmp_func"},
97041923 653{"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 654{"subq", "sub pel motion estimation quality", OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
860a40c8 655{"dtg_active_format", NULL, OFFSET(dtg_active_format), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f
PI
656{"me_range", "limit motion vectors range (1023 for DivX player)", OFFSET(me_range), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
657{"ibias", "intra quant bias", OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
658{"pbias", "inter quant bias", OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
860a40c8
MN
659{"color_table_id", NULL, OFFSET(color_table_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
660{"internal_buffer_count", NULL, OFFSET(internal_buffer_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
661{"global_quality", NULL, OFFSET(global_quality), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
ec9127c4 662{"coder", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "coder"},
8f196b14
MN
663{"vlc", "variable length coder / huffman coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_VLC, INT_MIN, INT_MAX, V|E, "coder"},
664{"ac", "arithmetic coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_AC, INT_MIN, INT_MAX, V|E, "coder"},
f87459e4 665{"raw", "raw (no encoding)", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_RAW, INT_MIN, INT_MAX, V|E, "coder"},
5d79e24a 666{"rle", "run-length coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_RLE, INT_MIN, INT_MAX, V|E, "coder"},
f87459e4 667{"deflate", "deflate-based coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_DEFLATE, INT_MIN, INT_MAX, V|E, "coder"},
8f196b14 668{"context", "context model", OFFSET(context_model), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8
MN
669{"slice_flags", NULL, OFFSET(slice_flags), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
670{"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
97041923
VP
671{"mbd", "macroblock decision algorithm (high quality mode)", OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "mbd"},
672{"simple", "use mbcmp (default)", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_SIMPLE, INT_MIN, INT_MAX, V|E, "mbd"},
673{"bits", "use fewest bits", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_BITS, INT_MIN, INT_MAX, V|E, "mbd"},
674{"rd", "use best rate distortion", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_RD, INT_MIN, INT_MAX, V|E, "mbd"},
860a40c8 675{"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f
PI
676{"sc_threshold", "scene change threshold", OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
677{"lmin", "min lagrange factor (VBR)", OFFSET(lmin), FF_OPT_TYPE_INT, 2*FF_QP2LAMBDA, 0, INT_MAX, V|E},
678{"lmax", "max lagrange factor (VBR)", OFFSET(lmax), FF_OPT_TYPE_INT, 31*FF_QP2LAMBDA, 0, INT_MAX, V|E},
8f196b14 679{"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
119aae1d 680{"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 681{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8c3dd5dc 682{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|A|E|D, "flags2"},
22565f5d 683{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
119aae1d 684{"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "aa"},
fac862c6
MN
685{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_AUTO, INT_MIN, INT_MAX, V|D, "aa"},
686{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FASTINT, INT_MIN, INT_MAX, V|D, "aa"},
687{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_INT, INT_MIN, INT_MAX, V|D, "aa"},
688{"float", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FLOAT, INT_MIN, INT_MAX, V|D, "aa"},
8f196b14 689{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
7df00a4e 690{"threads", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E|D},
637b5326 691{"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
bf080813 692{"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
327409d7 693{"dc", "intra_dc_precision", OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
8f196b14 694{"nssew", "nsse weight", OFFSET(nsse_weight), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
119aae1d
PI
695{"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},
696{"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 697{"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
fac862c6 698{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
4f2c36ac
NG
699{"aac_main", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_MAIN, INT_MIN, INT_MAX, A|E, "profile"},
700{"aac_low", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LOW, INT_MIN, INT_MAX, A|E, "profile"},
701{"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_SSR, INT_MIN, INT_MAX, A|E, "profile"},
702{"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LTP, INT_MIN, INT_MAX, A|E, "profile"},
ec9127c4 703{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
fac862c6 704{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
97041923 705{"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
706{"skip_threshold", "frame skip threshold", OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
707{"skip_factor", "frame skip factor", OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
708{"skip_exp", "frame skip exponent", OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
d4de20d1 709{"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 710{"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
711{"mblmin", "min macroblock lagrange factor (VBR)", OFFSET(mb_lmin), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 2, 1, FF_LAMBDA_MAX, V|E},
712{"mblmax", "max macroblock lagrange factor (VBR)", OFFSET(mb_lmax), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 31, 1, FF_LAMBDA_MAX, V|E},
cccb4c96 713{"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
714{"bidir_refine", "refine the two motion vectors used in bidirectional macroblocks", OFFSET(bidir_refine), FF_OPT_TYPE_INT, DEFAULT, 0, 4, V|E},
715{"brd_scale", "downscales frames for dynamic B-frame decision", OFFSET(brd_scale), FF_OPT_TYPE_INT, DEFAULT, 0, 10, V|E},
716{"crf", "enables constant quality mode, and selects the quality (x264)", OFFSET(crf), FF_OPT_TYPE_FLOAT, DEFAULT, 0, 51, V|E},
119aae1d 717{"cqp", "constant quantization parameter rate control method", OFFSET(cqp), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, V|E},
97041923
VP
718{"keyint_min", "minimum interval between IDR-frames (x264)", OFFSET(keyint_min), FF_OPT_TYPE_INT, 25, INT_MIN, INT_MAX, V|E},
719{"refs", "reference frames to consider for motion compensation (Snow)", OFFSET(refs), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E},
119aae1d
PI
720{"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
721{"bframebias", "influences how often B-frames are used", OFFSET(bframebias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
97041923 722{"trellis", "rate-distortion optimal quantization", OFFSET(trellis), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
119aae1d 723{"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 724{"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 725{"wpred", "weighted biprediction for b-frames (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_WPRED, INT_MIN, INT_MAX, V|E, "flags2"},
d3075ed5 726{"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 727{"dct8x8", "high profile 8x8 transform (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_8X8DCT, INT_MIN, INT_MAX, V|E, "flags2"},
119aae1d
PI
728{"fastpskip", "fast pskip (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|E, "flags2"},
729{"aud", "access unit delimiters (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_AUD, INT_MIN, INT_MAX, V|E, "flags2"},
730{"brdo", "b-frame rate-distortion optimization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BRDO, INT_MIN, INT_MAX, V|E, "flags2"},
fe037229 731{"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
732{"complexityblur", "reduce fluctuations in qp (before curve compression)", OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, 20.0, FLT_MIN, FLT_MAX, V|E},
733{"deblockalpha", "in-loop deblocking filter alphac0 parameter", OFFSET(deblockalpha), FF_OPT_TYPE_INT, DEFAULT, -6, 6, V|E},
734{"deblockbeta", "in-loop deblocking filter beta parameter", OFFSET(deblockbeta), FF_OPT_TYPE_INT, DEFAULT, -6, 6, V|E},
735{"partitions", "macroblock subpartition sizes to consider", OFFSET(partitions), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|E, "partitions"},
58f7833e
RS
736{"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I4X4, INT_MIN, INT_MAX, V|E, "partitions"},
737{"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I8X8, INT_MIN, INT_MAX, V|E, "partitions"},
738{"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P4X4, INT_MIN, INT_MAX, V|E, "partitions"},
739{"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P8X8, INT_MIN, INT_MAX, V|E, "partitions"},
740{"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_B8X8, INT_MIN, INT_MAX, V|E, "partitions"},
119aae1d 741{"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 742{"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, 256, 0, INT_MAX, V|E},
307eb248 743{"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_INTRA_VLC, INT_MIN, INT_MAX, V|E, "flags2"},
119aae1d 744{"b_sensitivity", "adjusts sensitivity of b_frame_strategy 1", OFFSET(b_sensitivity), FF_OPT_TYPE_INT, 40, 1, INT_MAX, V|E},
a403fc03 745{"compression_level", NULL, OFFSET(compression_level), FF_OPT_TYPE_INT, FF_COMPRESSION_DEFAULT, INT_MIN, INT_MAX, V|A|E},
119aae1d
PI
746{"use_lpc", "sets whether to use LPC mode (FLAC)", OFFSET(use_lpc), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
747{"lpc_coeff_precision", "LPC coefficient precision (FLAC)", OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|E},
a403fc03
JR
748{"min_prediction_order", NULL, OFFSET(min_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
749{"max_prediction_order", NULL, OFFSET(max_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
119aae1d 750{"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
751{"min_partition_order", NULL, OFFSET(min_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
752{"max_partition_order", NULL, OFFSET(max_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
119aae1d 753{"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 754{"drop_frame_timecode", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_DROP_FRAME_TIMECODE, INT_MIN, INT_MAX, V|E, "flags2"},
5a6b9443 755{"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
756{NULL},
757};
758
8bbf6db9
MN
759#undef A
760#undef V
5e89b50b
PI
761#undef S
762#undef E
763#undef D
764#undef DEFAULT
8bbf6db9 765
860a40c8 766static AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
43465395 767
29301573
MN
768void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType codec_type){
769 int flags=0;
9740beff
MN
770 memset(s, 0, sizeof(AVCodecContext));
771
43465395 772 s->av_class= &av_codec_context_class;
73a8ceaa 773
0509d453 774 s->codec_type = codec_type;
29301573
MN
775 if(codec_type == CODEC_TYPE_AUDIO)
776 flags= AV_OPT_FLAG_AUDIO_PARAM;
777 else if(codec_type == CODEC_TYPE_VIDEO)
778 flags= AV_OPT_FLAG_VIDEO_PARAM;
779 else if(codec_type == CODEC_TYPE_SUBTITLE)
780 flags= AV_OPT_FLAG_SUBTITLE_PARAM;
781 av_opt_set_defaults2(s, flags, flags);
73a8ceaa 782
a949d72e 783 s->rc_eq= "tex^qComp";
c0df9d75 784 s->time_base= (AVRational){0,1};
1e491e29
MN
785 s->get_buffer= avcodec_default_get_buffer;
786 s->release_buffer= avcodec_default_release_buffer;
a33c7159 787 s->get_format= avcodec_default_get_format;
9c3d33d6 788 s->execute= avcodec_default_execute;
5ff85f1d 789 s->sample_aspect_ratio= (AVRational){0,1};
644a9262 790 s->pix_fmt= PIX_FMT_NONE;
1319a77b 791 s->sample_fmt= SAMPLE_FMT_S16; // FIXME: set to NONE
8c3dd5dc 792
2a2bbcb0 793 s->palctrl = NULL;
e1c2a5a0 794 s->reget_buffer= avcodec_default_reget_buffer;
a949d72e
MN
795}
796
29301573 797AVCodecContext *avcodec_alloc_context2(enum CodecType codec_type){
9740beff 798 AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
115329f1 799
a949d72e 800 if(avctx==NULL) return NULL;
115329f1 801
29301573 802 avcodec_get_context_defaults2(avctx, codec_type);
115329f1 803
a949d72e
MN
804 return avctx;
805}
806
29301573
MN
807void avcodec_get_context_defaults(AVCodecContext *s){
808 avcodec_get_context_defaults2(s, CODEC_TYPE_UNKNOWN);
809}
810
811AVCodecContext *avcodec_alloc_context(void){
812 return avcodec_alloc_context2(CODEC_TYPE_UNKNOWN);
813}
814
9740beff
MN
815void avcodec_get_frame_defaults(AVFrame *pic){
816 memset(pic, 0, sizeof(AVFrame));
817
818 pic->pts= AV_NOPTS_VALUE;
c342499d 819 pic->key_frame= 1;
9740beff
MN
820}
821
492cd3a9 822AVFrame *avcodec_alloc_frame(void){
9740beff 823 AVFrame *pic= av_malloc(sizeof(AVFrame));
115329f1 824
9740beff 825 if(pic==NULL) return NULL;
115329f1 826
9740beff 827 avcodec_get_frame_defaults(pic);
115329f1 828
1e491e29
MN
829 return pic;
830}
831
de6d9b64
FB
832int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
833{
ddebfb15 834 int ret= -1;
115329f1 835
ddebfb15
MN
836 entangled_thread_counter++;
837 if(entangled_thread_counter != 1){
838 av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
839 goto end;
840 }
de6d9b64 841
09770af8 842 if(avctx->codec)
ddebfb15 843 goto end;
09770af8 844
0edf8a7a
PG
845 if (codec->priv_data_size > 0) {
846 avctx->priv_data = av_mallocz(codec->priv_data_size);
90f06cea
PI
847 if (!avctx->priv_data) {
848 ret = AVERROR(ENOMEM);
ddebfb15 849 goto end;
90f06cea 850 }
0edf8a7a
PG
851 } else {
852 avctx->priv_data = NULL;
853 }
21adafec
MN
854
855 if(avctx->coded_width && avctx->coded_height)
856 avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
857 else if(avctx->width && avctx->height)
858 avcodec_set_dimensions(avctx, avctx->width, avctx->height);
859
0ecca7a4
MN
860 if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
861 av_freep(&avctx->priv_data);
7868349a 862 ret = AVERROR(EINVAL);
ddebfb15 863 goto end;
0ecca7a4
MN
864 }
865
b5c85991
MN
866 avctx->codec = codec;
867 avctx->codec_id = codec->id;
868 avctx->frame_number = 0;
6e546aaa 869 if(avctx->codec->init){
2de4f9eb
MN
870 ret = avctx->codec->init(avctx);
871 if (ret < 0) {
872 av_freep(&avctx->priv_data);
873 avctx->codec= NULL;
874 goto end;
875 }
6e546aaa 876 }
ddebfb15
MN
877 ret=0;
878end:
879 entangled_thread_counter--;
880 return ret;
de6d9b64
FB
881}
882
115329f1 883int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
de6d9b64
FB
884 const short *samples)
885{
0ecca7a4 886 if(buf_size < FF_MIN_BUFFER_SIZE && 0){
5286d11f 887 av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
0ecca7a4
MN
888 return -1;
889 }
6f824977
MN
890 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
891 int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)samples);
892 avctx->frame_number++;
893 return ret;
894 }else
895 return 0;
de6d9b64
FB
896}
897
115329f1 898int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
492cd3a9 899 const AVFrame *pict)
de6d9b64 900{
0ecca7a4 901 if(buf_size < FF_MIN_BUFFER_SIZE){
5286d11f 902 av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
0ecca7a4
MN
903 return -1;
904 }
905 if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
906 return -1;
6f824977
MN
907 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
908 int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict);
909 avctx->frame_number++;
bb628dae 910 emms_c(); //needed to avoid an emms_c() call before every return;
115329f1 911
6f824977
MN
912 return ret;
913 }else
914 return 0;
de6d9b64
FB
915}
916
115329f1 917int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
240c1657
FB
918 const AVSubtitle *sub)
919{
920 int ret;
921 ret = avctx->codec->encode(avctx, buf, buf_size, (void *)sub);
922 avctx->frame_number++;
923 return ret;
924}
925
115329f1 926int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
de6d9b64 927 int *got_picture_ptr,
0c1a9eda 928 uint8_t *buf, int buf_size)
de6d9b64
FB
929{
930 int ret;
115329f1 931
53db1cae 932 *got_picture_ptr= 0;
0ecca7a4
MN
933 if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
934 return -1;
934982c4 935 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
115329f1 936 ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
934982c4 937 buf, buf_size);
6bb925f4 938
bb628dae 939 emms_c(); //needed to avoid an emms_c() call before every return;
115329f1
DB
940
941 if (*got_picture_ptr)
934982c4
MN
942 avctx->frame_number++;
943 }else
944 ret= 0;
945
de6d9b64
FB
946 return ret;
947}
948
ac66834c 949int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
de6d9b64 950 int *frame_size_ptr,
0c1a9eda 951 uint8_t *buf, int buf_size)
de6d9b64
FB
952{
953 int ret;
954
fec9ccb7 955 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
9c856d62
MN
956 //FIXME remove the check below _after_ ensuring that all audio check that the available space is enough
957 if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){
958 av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE\n");
959 return -1;
960 }
961 if(*frame_size_ptr < FF_MIN_BUFFER_SIZE ||
962 *frame_size_ptr < avctx->channels * avctx->frame_size * sizeof(int16_t) ||
963 *frame_size_ptr < buf_size){
964 av_log(avctx, AV_LOG_ERROR, "buffer %d too small\n", *frame_size_ptr);
965 return -1;
966 }
967
115329f1 968 ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
fec9ccb7
MN
969 buf, buf_size);
970 avctx->frame_number++;
ac66834c 971 }else{
fec9ccb7 972 ret= 0;
ac66834c
MN
973 *frame_size_ptr=0;
974 }
de6d9b64
FB
975 return ret;
976}
977
ac66834c
MN
978#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
979int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
980 int *frame_size_ptr,
981 uint8_t *buf, int buf_size){
982 *frame_size_ptr= AVCODEC_MAX_AUDIO_FRAME_SIZE;
983 return avcodec_decode_audio2(avctx, samples, frame_size_ptr, buf, buf_size);
984}
985#endif
986
240c1657
FB
987int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
988 int *got_sub_ptr,
989 const uint8_t *buf, int buf_size)
990{
991 int ret;
992
993 *got_sub_ptr = 0;
115329f1 994 ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
240c1657
FB
995 (uint8_t *)buf, buf_size);
996 if (*got_sub_ptr)
997 avctx->frame_number++;
998 return ret;
999}
1000
de6d9b64
FB
1001int avcodec_close(AVCodecContext *avctx)
1002{
ddebfb15
MN
1003 entangled_thread_counter++;
1004 if(entangled_thread_counter != 1){
1005 av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
1006 entangled_thread_counter--;
1007 return -1;
1008 }
1009
ab2cfc59
JG
1010 if (ENABLE_THREADS && avctx->thread_opaque)
1011 avcodec_thread_free(avctx);
de6d9b64
FB
1012 if (avctx->codec->close)
1013 avctx->codec->close(avctx);
eea8c08f 1014 avcodec_default_free_buffers(avctx);
3123dd79 1015 av_freep(&avctx->priv_data);
de6d9b64 1016 avctx->codec = NULL;
ddebfb15 1017 entangled_thread_counter--;
de6d9b64
FB
1018 return 0;
1019}
1020
1021AVCodec *avcodec_find_encoder(enum CodecID id)
1022{
1023 AVCodec *p;
1024 p = first_avcodec;
1025 while (p) {
1026 if (p->encode != NULL && p->id == id)
1027 return p;
1028 p = p->next;
1029 }
1030 return NULL;
1031}
1032
98f3b098
A
1033AVCodec *avcodec_find_encoder_by_name(const char *name)
1034{
1035 AVCodec *p;
1036 p = first_avcodec;
1037 while (p) {
1038 if (p->encode != NULL && strcmp(name,p->name) == 0)
1039 return p;
1040 p = p->next;
1041 }
1042 return NULL;
1043}
1044
de6d9b64
FB
1045AVCodec *avcodec_find_decoder(enum CodecID id)
1046{
1047 AVCodec *p;
1048 p = first_avcodec;
1049 while (p) {
1050 if (p->decode != NULL && p->id == id)
1051 return p;
1052 p = p->next;
1053 }
1054 return NULL;
1055}
1056
1057AVCodec *avcodec_find_decoder_by_name(const char *name)
1058{
1059 AVCodec *p;
1060 p = first_avcodec;
1061 while (p) {
1062 if (p->decode != NULL && strcmp(name,p->name) == 0)
1063 return p;
1064 p = p->next;
1065 }
1066 return NULL;
1067}
1068
de6d9b64
FB
1069void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
1070{
1071 const char *codec_name;
1072 AVCodec *p;
1073 char buf1[32];
623563c0 1074 char channels_str[100];
a96b68b7 1075 int bitrate;
de6d9b64
FB
1076
1077 if (encode)
1078 p = avcodec_find_encoder(enc->codec_id);
1079 else
1080 p = avcodec_find_decoder(enc->codec_id);
1081
1082 if (p) {
1083 codec_name = p->name;
98ce5991
FB
1084 if (!encode && enc->codec_id == CODEC_ID_MP3) {
1085 if (enc->sub_id == 2)
1086 codec_name = "mp2";
1087 else if (enc->sub_id == 1)
1088 codec_name = "mp1";
1089 }
985180a1
FB
1090 } else if (enc->codec_id == CODEC_ID_MPEG2TS) {
1091 /* fake mpeg2 transport stream codec (currently not
1092 registered) */
1093 codec_name = "mpeg2ts";
de6d9b64
FB
1094 } else if (enc->codec_name[0] != '\0') {
1095 codec_name = enc->codec_name;
1096 } else {
1097 /* output avi tags */
115329f1 1098 if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF)
b983a5c6 1099 && isprint((enc->codec_tag>>16)&0xFF) && isprint((enc->codec_tag>>24)&0xFF)){
115329f1 1100 snprintf(buf1, sizeof(buf1), "%c%c%c%c / 0x%04X",
de6d9b64
FB
1101 enc->codec_tag & 0xff,
1102 (enc->codec_tag >> 8) & 0xff,
1103 (enc->codec_tag >> 16) & 0xff,
b983a5c6
MN
1104 (enc->codec_tag >> 24) & 0xff,
1105 enc->codec_tag);
de6d9b64
FB
1106 } else {
1107 snprintf(buf1, sizeof(buf1), "0x%04x", enc->codec_tag);
1108 }
1109 codec_name = buf1;
1110 }
1111
1112 switch(enc->codec_type) {
1113 case CODEC_TYPE_VIDEO:
1114 snprintf(buf, buf_size,
1115 "Video: %s%s",
7d1c3fc1 1116 codec_name, enc->mb_decision ? " (hq)" : "");
82c0c4ba 1117 if (enc->pix_fmt != PIX_FMT_NONE) {
cf087595
FB
1118 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1119 ", %s",
9bbffbb1 1120 avcodec_get_pix_fmt_name(enc->pix_fmt));
cf087595 1121 }
de6d9b64
FB
1122 if (enc->width) {
1123 snprintf(buf + strlen(buf), buf_size - strlen(buf),
21189011
MN
1124 ", %dx%d",
1125 enc->width, enc->height);
ab1c6dc9 1126 if(av_log_level >= AV_LOG_DEBUG){
21189011
MN
1127 int g= ff_gcd(enc->time_base.num, enc->time_base.den);
1128 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1129 ", %d/%d",
1130 enc->time_base.num/g, enc->time_base.den/g);
1131 }
de6d9b64 1132 }
4bfad535
FB
1133 if (encode) {
1134 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1135 ", q=%d-%d", enc->qmin, enc->qmax);
1136 }
a96b68b7 1137 bitrate = enc->bit_rate;
de6d9b64
FB
1138 break;
1139 case CODEC_TYPE_AUDIO:
1140 snprintf(buf, buf_size,
1141 "Audio: %s",
1142 codec_name);
e0d2714a
J
1143 switch (enc->channels) {
1144 case 1:
623563c0 1145 strcpy(channels_str, "mono");
e0d2714a
J
1146 break;
1147 case 2:
623563c0 1148 strcpy(channels_str, "stereo");
e0d2714a
J
1149 break;
1150 case 6:
623563c0 1151 strcpy(channels_str, "5:1");
e0d2714a
J
1152 break;
1153 default:
2fc8ea24 1154 snprintf(channels_str, sizeof(channels_str), "%d channels", enc->channels);
e0d2714a
J
1155 break;
1156 }
de6d9b64
FB
1157 if (enc->sample_rate) {
1158 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1159 ", %d Hz, %s",
1160 enc->sample_rate,
e0d2714a 1161 channels_str);
de6d9b64 1162 }
115329f1 1163
a96b68b7
FB
1164 /* for PCM codecs, compute bitrate directly */
1165 switch(enc->codec_id) {
b461b3bc
RD
1166 case CODEC_ID_PCM_S32LE:
1167 case CODEC_ID_PCM_S32BE:
1168 case CODEC_ID_PCM_U32LE:
1169 case CODEC_ID_PCM_U32BE:
1170 bitrate = enc->sample_rate * enc->channels * 32;
1171 break;
1172 case CODEC_ID_PCM_S24LE:
1173 case CODEC_ID_PCM_S24BE:
1174 case CODEC_ID_PCM_U24LE:
1175 case CODEC_ID_PCM_U24BE:
1176 case CODEC_ID_PCM_S24DAUD:
1177 bitrate = enc->sample_rate * enc->channels * 24;
1178 break;
a96b68b7
FB
1179 case CODEC_ID_PCM_S16LE:
1180 case CODEC_ID_PCM_S16BE:
1181 case CODEC_ID_PCM_U16LE:
1182 case CODEC_ID_PCM_U16BE:
a190b7e9 1183 bitrate = enc->sample_rate * enc->channels * 16;
a96b68b7
FB
1184 break;
1185 case CODEC_ID_PCM_S8:
1186 case CODEC_ID_PCM_U8:
1187 case CODEC_ID_PCM_ALAW:
1188 case CODEC_ID_PCM_MULAW:
a190b7e9 1189 bitrate = enc->sample_rate * enc->channels * 8;
a96b68b7
FB
1190 break;
1191 default:
1192 bitrate = enc->bit_rate;
1193 break;
1194 }
de6d9b64 1195 break;
985180a1
FB
1196 case CODEC_TYPE_DATA:
1197 snprintf(buf, buf_size, "Data: %s", codec_name);
240c1657
FB
1198 bitrate = enc->bit_rate;
1199 break;
1200 case CODEC_TYPE_SUBTITLE:
1201 snprintf(buf, buf_size, "Subtitle: %s", codec_name);
985180a1
FB
1202 bitrate = enc->bit_rate;
1203 break;
de6d9b64 1204 default:
9fe5a7b8
MN
1205 snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
1206 return;
de6d9b64 1207 }
4bfad535
FB
1208 if (encode) {
1209 if (enc->flags & CODEC_FLAG_PASS1)
1210 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1211 ", pass 1");
1212 if (enc->flags & CODEC_FLAG_PASS2)
1213 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1214 ", pass 2");
1215 }
a96b68b7 1216 if (bitrate != 0) {
115329f1 1217 snprintf(buf + strlen(buf), buf_size - strlen(buf),
a96b68b7 1218 ", %d kb/s", bitrate / 1000);
de6d9b64
FB
1219 }
1220}
1221
156e5023
NK
1222unsigned avcodec_version( void )
1223{
1224 return LIBAVCODEC_VERSION_INT;
1225}
cf087595 1226
8bceb6af
NK
1227unsigned avcodec_build( void )
1228{
1229 return LIBAVCODEC_BUILD;
1230}
1231
43a80cce 1232static void init_crcs(void){
08cb1950 1233#if LIBAVUTIL_VERSION_INT < (50<<16)
43a80cce 1234 av_crc04C11DB7= av_mallocz_static(sizeof(AVCRC) * 257);
e027d0a8 1235 av_crc8005 = av_mallocz_static(sizeof(AVCRC) * 257);
b865838e 1236 av_crc07 = av_mallocz_static(sizeof(AVCRC) * 257);
08cb1950 1237#endif
43a80cce 1238 av_crc_init(av_crc04C11DB7, 0, 32, 0x04c11db7, sizeof(AVCRC)*257);
e027d0a8 1239 av_crc_init(av_crc8005 , 0, 16, 0x8005 , sizeof(AVCRC)*257);
b865838e 1240 av_crc_init(av_crc07 , 0, 8, 0x07 , sizeof(AVCRC)*257);
43a80cce
MN
1241}
1242
de6d9b64
FB
1243void avcodec_init(void)
1244{
0344cd0a
AB
1245 static int inited = 0;
1246
1247 if (inited != 0)
bb270c08 1248 return;
0344cd0a
AB
1249 inited = 1;
1250
486497e0 1251 dsputil_static_init();
43a80cce 1252 init_crcs();
de6d9b64
FB
1253}
1254
1c2a8c7f
MN
1255void avcodec_flush_buffers(AVCodecContext *avctx)
1256{
7a06ff14
MN
1257 if(avctx->codec->flush)
1258 avctx->codec->flush(avctx);
1c2a8c7f
MN
1259}
1260
b100eab8 1261void avcodec_default_free_buffers(AVCodecContext *s){
d90cf87b
MN
1262 int i, j;
1263
1264 if(s->internal_buffer==NULL) return;
115329f1 1265
d90cf87b
MN
1266 for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
1267 InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];
1268 for(j=0; j<4; j++){
1269 av_freep(&buf->base[j]);
1270 buf->data[j]= NULL;
1271 }
1272 }
1273 av_freep(&s->internal_buffer);
115329f1 1274
d90cf87b
MN
1275 s->internal_buffer_count=0;
1276}
1277
d8085ea7
MN
1278char av_get_pict_type_char(int pict_type){
1279 switch(pict_type){
115329f1
DB
1280 case I_TYPE: return 'I';
1281 case P_TYPE: return 'P';
1282 case B_TYPE: return 'B';
1283 case S_TYPE: return 'S';
1284 case SI_TYPE:return 'i';
1285 case SP_TYPE:return 'p';
d8085ea7
MN
1286 default: return '?';
1287 }
1288}
1289
ac3e1834
BC
1290int av_get_bits_per_sample(enum CodecID codec_id){
1291 switch(codec_id){
5da71469 1292 case CODEC_ID_ADPCM_SBPRO_2:
f1b163e0 1293 return 2;
5da71469 1294 case CODEC_ID_ADPCM_SBPRO_3:
f1b163e0 1295 return 3;
5da71469 1296 case CODEC_ID_ADPCM_SBPRO_4:
f1b163e0
AJ
1297 case CODEC_ID_ADPCM_CT:
1298 return 4;
ac3e1834
BC
1299 case CODEC_ID_PCM_ALAW:
1300 case CODEC_ID_PCM_MULAW:
1301 case CODEC_ID_PCM_S8:
1302 case CODEC_ID_PCM_U8:
1303 return 8;
1304 case CODEC_ID_PCM_S16BE:
1305 case CODEC_ID_PCM_S16LE:
1306 case CODEC_ID_PCM_U16BE:
1307 case CODEC_ID_PCM_U16LE:
1308 return 16;
1309 case CODEC_ID_PCM_S24DAUD:
1310 case CODEC_ID_PCM_S24BE:
1311 case CODEC_ID_PCM_S24LE:
1312 case CODEC_ID_PCM_U24BE:
1313 case CODEC_ID_PCM_U24LE:
1314 return 24;
1315 case CODEC_ID_PCM_S32BE:
1316 case CODEC_ID_PCM_S32LE:
1317 case CODEC_ID_PCM_U32BE:
1318 case CODEC_ID_PCM_U32LE:
1319 return 32;
1320 default:
1321 return 0;
1322 }
1323}
1324
2450cff2 1325#if !defined(HAVE_THREADS)
ca8ad847
MN
1326int avcodec_thread_init(AVCodecContext *s, int thread_count){
1327 return -1;
1328}
1329#endif
ad2b531d
MR
1330
1331unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
1332{
1333 unsigned int n = 0;
1334
1335 while(v >= 0xff) {
1336 *s++ = 0xff;
1337 v -= 0xff;
1338 n++;
1339 }
1340 *s = v;
1341 n++;
1342 return n;
1343}
1005f542
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1344
1345/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
1346 * Also, tries to create file in /tmp first, if possible.
1347 * *prefix can be a character constant; *filename will be allocated internally.
1348 * Returns file descriptor of opened file (or -1 on error)
1349 * and opened file name in **filename. */
1350int av_tempfile(char *prefix, char **filename) {
1351 int fd=-1;
6ffa87d3 1352#if !defined(HAVE_MKSTEMP)
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1353 *filename = tempnam(".", prefix);
1354#else
1355 size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
f2508b17 1356 *filename = av_malloc(len);
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1357#endif
1358 /* -----common section-----*/
1359 if (*filename == NULL) {
1360 av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
1361 return -1;
1362 }
6ffa87d3 1363#if !defined(HAVE_MKSTEMP)
76353b42 1364 fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
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1365#else
1366 snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
1367 fd = mkstemp(*filename);
1368 if (fd < 0) {
1369 snprintf(*filename, len, "./%sXXXXXX", prefix);
1370 fd = mkstemp(*filename);
1371 }
1372#endif
1373 /* -----common section-----*/
1374 if (fd < 0) {
1375 av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
1376 return -1;
1377 }
1378 return fd; /* success */
1379}
26ef3220
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1380
1381typedef struct {
c0ad72a7 1382 const char *abbr;
26ef3220 1383 int width, height;
c0ad72a7
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1384} VideoFrameSizeAbbr;
1385
1386typedef struct {
1387 const char *abbr;
1388 int rate_num, rate_den;
1389} VideoFrameRateAbbr;
1390
1391static VideoFrameSizeAbbr video_frame_size_abbrs[] = {
1392 { "ntsc", 720, 480 },
1393 { "pal", 720, 576 },
1394 { "qntsc", 352, 240 }, /* VCD compliant NTSC */
1395 { "qpal", 352, 288 }, /* VCD compliant PAL */
1396 { "sntsc", 640, 480 }, /* square pixel NTSC */
1397 { "spal", 768, 576 }, /* square pixel PAL */
1398 { "film", 352, 240 },
1399 { "ntsc-film", 352, 240 },
1400 { "sqcif", 128, 96 },
1401 { "qcif", 176, 144 },
1402 { "cif", 352, 288 },
1403 { "4cif", 704, 576 },
1404 { "qqvga", 160, 120 },
1405 { "qvga", 320, 240 },
1406 { "vga", 640, 480 },
1407 { "svga", 800, 600 },
1408 { "xga", 1024, 768 },
1409 { "uxga", 1600,1200 },
1410 { "qxga", 2048,1536 },
1411 { "sxga", 1280,1024 },
1412 { "qsxga", 2560,2048 },
1413 { "hsxga", 5120,4096 },
1414 { "wvga", 852, 480 },
1415 { "wxga", 1366, 768 },
1416 { "wsxga", 1600,1024 },
1417 { "wuxga", 1920,1200 },
1418 { "woxga", 2560,1600 },
1419 { "wqsxga", 3200,2048 },
1420 { "wquxga", 3840,2400 },
1421 { "whsxga", 6400,4096 },
1422 { "whuxga", 7680,4800 },
1423 { "cga", 320, 200 },
1424 { "ega", 640, 350 },
1425 { "hd480", 852, 480 },
1426 { "hd720", 1280, 720 },
1427 { "hd1080", 1920,1080 },
1428};
1429
1430static VideoFrameRateAbbr video_frame_rate_abbrs[]= {
1431 { "ntsc", 30000, 1001 },
1432 { "pal", 25, 1 },
1433 { "qntsc", 30000, 1001 }, /* VCD compliant NTSC */
1434 { "qpal", 25, 1 }, /* VCD compliant PAL */
1435 { "sntsc", 30000, 1001 }, /* square pixel NTSC */
1436 { "spal", 25, 1 }, /* square pixel PAL */
1437 { "film", 24, 1 },
1438 { "ntsc-film", 24000, 1001 },
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SS
1439};
1440
1441int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str)
1442{
1443 int i;
c0ad72a7 1444 int n = sizeof(video_frame_size_abbrs) / sizeof(VideoFrameSizeAbbr);
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1445 const char *p;
1446 int frame_width = 0, frame_height = 0;
1447
1448 for(i=0;i<n;i++) {
c0ad72a7
SS
1449 if (!strcmp(video_frame_size_abbrs[i].abbr, str)) {
1450 frame_width = video_frame_size_abbrs[i].width;
1451 frame_height = video_frame_size_abbrs[i].height;
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1452 break;
1453 }
1454 }
1455 if (i == n) {
1456 p = str;
1457 frame_width = strtol(p, (char **)&p, 10);
1458 if (*p)
1459 p++;
1460 frame_height = strtol(p, (char **)&p, 10);
1461 }
1462 if (frame_width <= 0 || frame_height <= 0)
1463 return -1;
1464 *width_ptr = frame_width;
1465 *height_ptr = frame_height;
1466 return 0;
1467}
1468
1469int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg)
1470{
1471 int i;
c0ad72a7 1472 int n = sizeof(video_frame_rate_abbrs) / sizeof(VideoFrameRateAbbr);
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1473 char* cp;
1474
1475 /* First, we check our abbreviation table */
c0ad72a7
SS
1476 for (i = 0; i < n; ++i)
1477 if (!strcmp(video_frame_rate_abbrs[i].abbr, arg)) {
1478 frame_rate->num = video_frame_rate_abbrs[i].rate_num;
1479 frame_rate->den = video_frame_rate_abbrs[i].rate_den;
26ef3220
SS
1480 return 0;
1481 }
1482
1483 /* Then, we try to parse it as fraction */
1484 cp = strchr(arg, '/');
1485 if (!cp)
1486 cp = strchr(arg, ':');
1487 if (cp) {
1488 char* cpp;
1489 frame_rate->num = strtol(arg, &cpp, 10);
1490 if (cpp != arg || cpp == cp)
1491 frame_rate->den = strtol(cp+1, &cpp, 10);
1492 else
1493 frame_rate->num = 0;
1494 }
1495 else {
1496 /* Finally we give up and parse it as double */
1497 AVRational time_base = av_d2q(strtod(arg, 0), DEFAULT_FRAME_RATE_BASE);
1498 frame_rate->den = time_base.den;
1499 frame_rate->num = time_base.num;
1500 }
1501 if (!frame_rate->num || !frame_rate->den)
1502 return -1;
1503 else
1504 return 0;
1505}