fix AC3 5.1 being decoded as mono
[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 *
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6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
ff4ec49e
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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
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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>
2f30a81d 37#ifdef __MINGW32__
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
8e1e6f31
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62/**
63 * realloc which does nothing if the block is large enough
64 */
5c91a675 65void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
8e1e6f31 66{
115329f1 67 if(min_size < *size)
8e1e6f31 68 return ptr;
115329f1 69
0ecca7a4 70 *size= FFMAX(17*min_size/16 + 32, min_size);
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71
72 return av_realloc(ptr, *size);
73}
74
855ea723 75static unsigned int last_static = 0;
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76static unsigned int allocated_static = 0;
77static void** array_static = NULL;
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78
79/**
80 * allocation of static arrays - do not use for normal allocation.
81 */
82void *av_mallocz_static(unsigned int size)
855ea723 83{
855ea723 84 void *ptr = av_mallocz(size);
855ea723 85
115329f1 86 if(ptr){
4e39ab4c 87 array_static =av_fast_realloc(array_static, &allocated_static, sizeof(void*)*(last_static+1));
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88 if(!array_static)
89 return NULL;
8d1f2ba5 90 array_static[last_static++] = ptr;
855ea723 91 }
8d1f2ba5 92
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93 return ptr;
94}
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95
96/**
073c2593
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97 * same as above, but does realloc
98 */
99
100void *av_realloc_static(void *ptr, unsigned int size)
101{
102 int i;
103 if(!ptr)
104 return av_mallocz_static(size);
105 /* Look for the old ptr */
106 for(i = 0; i < last_static; i++) {
107 if(array_static[i] == ptr) {
108 array_static[i] = av_realloc(array_static[i], size);
109 return array_static[i];
110 }
111 }
112 return NULL;
113
114}
115
116/**
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117 * free all static arrays and reset pointers to 0.
118 */
4cfbf61b 119void av_free_static(void)
855ea723 120{
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121 while(last_static){
122 av_freep(&array_static[--last_static]);
855ea723 123 }
8d1f2ba5 124 av_freep(&array_static);
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125}
126
81c5f887 127/**
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128 * Call av_free_static automatically before it's too late
129 */
130
ceaf1909 131static void do_free(void) __attribute__ ((destructor));
32fbf33e 132
ceaf1909 133static void do_free(void)
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134{
135 av_free_static();
136}
137
4d7a0a05 138
de6d9b64 139/* encoder management */
8b69867f 140AVCodec *first_avcodec = NULL;
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141
142void register_avcodec(AVCodec *format)
143{
144 AVCodec **p;
145 p = &first_avcodec;
146 while (*p != NULL) p = &(*p)->next;
147 *p = format;
148 format->next = NULL;
149}
150
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151void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
152 s->coded_width = width;
153 s->coded_height= height;
154 s->width = -((-width )>>s->lowres);
155 s->height= -((-height)>>s->lowres);
156}
157
d90cf87b 158typedef struct InternalBuffer{
1e491e29 159 int last_pic_num;
d90cf87b 160 uint8_t *base[4];
1e491e29 161 uint8_t *data[4];
237e4938 162 int linesize[4];
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163}InternalBuffer;
164
165#define INTERNAL_BUFFER_SIZE 32
1e491e29 166
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167#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
168
169void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
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170 int w_align= 1;
171 int h_align= 1;
172
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173 switch(s->pix_fmt){
174 case PIX_FMT_YUV420P:
175 case PIX_FMT_YUV422:
ebb177dd 176 case PIX_FMT_UYVY422:
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177 case PIX_FMT_YUV422P:
178 case PIX_FMT_YUV444P:
179 case PIX_FMT_GRAY8:
180 case PIX_FMT_YUVJ420P:
181 case PIX_FMT_YUVJ422P:
182 case PIX_FMT_YUVJ444P:
183 w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
184 h_align= 16;
185 break;
186 case PIX_FMT_YUV411P:
f02be79d 187 case PIX_FMT_UYVY411:
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188 w_align=32;
189 h_align=8;
190 break;
191 case PIX_FMT_YUV410P:
192 if(s->codec_id == CODEC_ID_SVQ1){
193 w_align=64;
194 h_align=64;
195 }
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196 case PIX_FMT_RGB555:
197 if(s->codec_id == CODEC_ID_RPZA){
198 w_align=4;
199 h_align=4;
200 }
201 case PIX_FMT_PAL8:
202 if(s->codec_id == CODEC_ID_SMC){
203 w_align=4;
204 h_align=4;
205 }
f0bbfc4a 206 break;
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207 case PIX_FMT_BGR24:
208 if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){
209 w_align=4;
210 h_align=4;
211 }
212 break;
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213 default:
214 w_align= 1;
215 h_align= 1;
216 break;
217 }
218
219 *width = ALIGN(*width , w_align);
220 *height= ALIGN(*height, h_align);
221}
222
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223int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){
224 if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/4)
225 return 0;
115329f1 226
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227 av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h);
228 return -1;
229}
230
492cd3a9 231int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
1e491e29 232 int i;
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233 int w= s->width;
234 int h= s->height;
d90cf87b 235 InternalBuffer *buf;
237e4938 236 int *picture_number;
0ecca7a4 237
4e00e76b 238 assert(pic->data[0]==NULL);
d90cf87b 239 assert(INTERNAL_BUFFER_SIZE > s->internal_buffer_count);
1e491e29 240
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241 if(avcodec_check_dimensions(s,w,h))
242 return -1;
243
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244 if(s->internal_buffer==NULL){
245 s->internal_buffer= av_mallocz(INTERNAL_BUFFER_SIZE*sizeof(InternalBuffer));
246 }
247#if 0
248 s->internal_buffer= av_fast_realloc(
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DB
249 s->internal_buffer,
250 &s->internal_buffer_size,
d90cf87b
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251 sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/
252 );
253#endif
115329f1 254
d90cf87b 255 buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
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256 picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE-1]).last_pic_num; //FIXME ugly hack
257 (*picture_number)++;
115329f1 258
d90cf87b 259 if(buf->base[0]){
237e4938
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260 pic->age= *picture_number - buf->last_pic_num;
261 buf->last_pic_num= *picture_number;
1e491e29 262 }else{
f0bbfc4a 263 int h_chroma_shift, v_chroma_shift;
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264 int pixel_size, size[3];
265 AVPicture picture;
266
1e491e29 267 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
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268
269 avcodec_align_dimensions(s, &w, &h);
115329f1 270
1e491e29
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271 if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
272 w+= EDGE_WIDTH*2;
273 h+= EDGE_WIDTH*2;
274 }
c7622f9a
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275 avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
276 pixel_size= picture.linesize[0]*8 / w;
277//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d\n", (int)picture.data[1], w, h, s->pix_fmt);
278 assert(pixel_size>=1);
279 //FIXME next ensures that linesize= 2^x uvlinesize, thats needed because some MC code assumes it
280 if(pixel_size == 3*8)
281 w= ALIGN(w, STRIDE_ALIGN<<h_chroma_shift);
282 else
283 w= ALIGN(pixel_size*w, STRIDE_ALIGN<<(h_chroma_shift+3)) / pixel_size;
284 size[1] = avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
285 size[0] = picture.linesize[0] * h;
286 size[1] -= size[0];
287 if(picture.data[2])
288 size[1]= size[2]= size[1]/2;
289 else
290 size[2]= 0;
291
d90cf87b 292 buf->last_pic_num= -256*256*256*64;
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MN
293 memset(buf->base, 0, sizeof(buf->base));
294 memset(buf->data, 0, sizeof(buf->data));
1e491e29 295
c7622f9a 296 for(i=0; i<3 && size[i]; i++){
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297 const int h_shift= i==0 ? 0 : h_chroma_shift;
298 const int v_shift= i==0 ? 0 : v_chroma_shift;
1e491e29 299
c7622f9a 300 buf->linesize[i]= picture.linesize[i];
1e491e29 301
c7622f9a 302 buf->base[i]= av_malloc(size[i]+16); //FIXME 16
d90cf87b 303 if(buf->base[i]==NULL) return -1;
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MN
304 memset(buf->base[i], 128, size[i]);
305
306 // no edge if EDEG EMU or not planar YUV, we check for PAL8 redundantly to protect against a exploitable bug regression ...
115329f1 307 if((s->flags&CODEC_FLAG_EMU_EDGE) || (s->pix_fmt == PIX_FMT_PAL8) || !size[2])
d90cf87b 308 buf->data[i] = buf->base[i];
1e491e29 309 else
3237f731 310 buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), STRIDE_ALIGN);
1e491e29
MN
311 }
312 pic->age= 256*256*256*64;
313 }
237e4938 314 pic->type= FF_BUFFER_TYPE_INTERNAL;
1e491e29 315
d90cf87b
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316 for(i=0; i<4; i++){
317 pic->base[i]= buf->base[i];
318 pic->data[i]= buf->data[i];
237e4938 319 pic->linesize[i]= buf->linesize[i];
d90cf87b
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320 }
321 s->internal_buffer_count++;
322
1e491e29
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323 return 0;
324}
325
492cd3a9 326void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
1e491e29 327 int i;
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328 InternalBuffer *buf, *last, temp;
329
4e00e76b 330 assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
59c673d5 331 assert(s->internal_buffer_count);
d90cf87b 332
b1609412 333 buf = NULL; /* avoids warning */
d90cf87b
MN
334 for(i=0; i<s->internal_buffer_count; i++){ //just 3-5 checks so is not worth to optimize
335 buf= &((InternalBuffer*)s->internal_buffer)[i];
336 if(buf->data[0] == pic->data[0])
337 break;
338 }
339 assert(i < s->internal_buffer_count);
340 s->internal_buffer_count--;
341 last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
342
343 temp= *buf;
344 *buf= *last;
345 *last= temp;
346
347 for(i=0; i<3; i++){
1e491e29 348 pic->data[i]=NULL;
d90cf87b
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349// pic->base[i]=NULL;
350 }
1e491e29
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351//printf("R%X\n", pic->opaque);
352}
353
e1c2a5a0
RT
354int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
355 AVFrame temp_pic;
356 int i;
357
358 /* If no picture return a new buffer */
359 if(pic->data[0] == NULL) {
360 /* We will copy from buffer, so must be readable */
361 pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
362 return s->get_buffer(s, pic);
363 }
364
365 /* If internal buffer type return the same buffer */
366 if(pic->type == FF_BUFFER_TYPE_INTERNAL)
367 return 0;
368
369 /*
370 * Not internal type and reget_buffer not overridden, emulate cr buffer
371 */
372 temp_pic = *pic;
373 for(i = 0; i < 4; i++)
374 pic->data[i] = pic->base[i] = NULL;
375 pic->opaque = NULL;
376 /* Allocate new frame */
377 if (s->get_buffer(s, pic))
378 return -1;
379 /* Copy image data from old buffer to new buffer */
380 img_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
381 s->height);
382 s->release_buffer(s, &temp_pic); // Release old frame
383 return 0;
384}
385
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386int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){
387 int i;
388
389 for(i=0; i<count; i++){
390 int r= func(c, arg[i]);
391 if(ret) ret[i]= r;
392 }
393 return 0;
394}
395
494c56d3 396enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt){
a33c7159
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397 return fmt[0];
398}
399
43465395
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400static const char* context_to_name(void* ptr) {
401 AVCodecContext *avc= ptr;
402
403 if(avc && avc->codec && avc->codec->name)
115329f1 404 return avc->codec->name;
43465395
MN
405 else
406 return "NULL";
407}
408
66acccf0 409#define OFFSET(x) offsetof(AVCodecContext,x)
860a40c8 410#define DEFAULT 0 //should be NAN but it doesnt work as its not a constant in glibc as required by ANSI/ISO C
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411//these names are too long to be readable
412#define V AV_OPT_FLAG_VIDEO_PARAM
413#define A AV_OPT_FLAG_AUDIO_PARAM
414#define S AV_OPT_FLAG_SUBTITLE_PARAM
115329f1 415#define E AV_OPT_FLAG_ENCODING_PARAM
8bbf6db9 416#define D AV_OPT_FLAG_DECODING_PARAM
860a40c8 417
0b97eea3 418#define AV_CODEC_DEFAULT_BITRATE 200*1000
8c3dd5dc 419
62a05b5b 420static const AVOption options[]={
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421{"b", "set video bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE, INT_MIN, INT_MAX, V|A|E},
422{"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE*20, INT_MIN, INT_MAX, V|E},
637b5326 423{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|A|E|D, "flags"},
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424{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_4MV, INT_MIN, INT_MAX, V|E, "flags"},
425{"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_OBMC, INT_MIN, INT_MAX, V|E, "flags"},
426{"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QPEL, INT_MIN, INT_MAX, V|E, "flags"},
427{"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOOP_FILTER, INT_MIN, INT_MAX, V|E, "flags"},
428{"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QSCALE, INT_MIN, INT_MAX, 0, "flags"},
429{"gmc", "use gmc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GMC, INT_MIN, INT_MAX, V|E, "flags"},
430{"mv0", "always try a mb with mv=<0,0>", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_MV0, INT_MIN, INT_MAX, V|E, "flags"},
431{"part", "use data partitioning", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PART, INT_MIN, INT_MAX, V|E, "flags"},
432{"input_preserved", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INPUT_PRESERVED, INT_MIN, INT_MAX, 0, "flags"},
433{"pass1", "use internal 2pass ratecontrol in first pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS1, INT_MIN, INT_MAX, 0, "flags"},
434{"pass2", "use internal 2pass ratecontrol in second pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS2, INT_MIN, INT_MAX, 0, "flags"},
435{"extern_huff", "use external huffman table (for mjpeg)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EXTERN_HUFF, INT_MIN, INT_MAX, 0, "flags"},
436{"gray", "only decode/encode grayscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GRAY, INT_MIN, INT_MAX, V|E|D, "flags"},
437{"emu_edge", "don't draw edges", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EMU_EDGE, INT_MIN, INT_MAX, 0, "flags"},
438{"psnr", "error[?] variables will be set during encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PSNR, INT_MIN, INT_MAX, V|E, "flags"},
439{"truncated", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRUNCATED, INT_MIN, INT_MAX, 0, "flags"},
440{"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_NORMALIZE_AQP, INT_MIN, INT_MAX, V|E, "flags"},
441{"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_DCT, INT_MIN, INT_MAX, V|E, "flags"},
442{"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOW_DELAY, INT_MIN, INT_MAX, V|D, "flags"},
443{"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_ALT_SCAN, INT_MIN, INT_MAX, V|E, "flags"},
444{"trell", "use trellis quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRELLIS_QUANT, INT_MIN, INT_MAX, V|E, "flags"},
445{"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"},
446{"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"},
447{"aic", "h263 advanced intra coding / mpeg4 ac prediction", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_AC_PRED, INT_MIN, INT_MAX, V|E, "flags"},
448{"umv", "use unlimited motion vectors", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_UMV, INT_MIN, INT_MAX, V|E, "flags"},
449{"cbp", "use rate distortion optimization for cbp", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CBP_RD, INT_MIN, INT_MAX, V|E, "flags"},
8f196b14 450{"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
451{"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_AIV, INT_MIN, INT_MAX, V|E, "flags"},
452{"slice", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_SLICE_STRUCT, INT_MIN, INT_MAX, V|E, "flags"},
453{"ilme", "interlaced motion estimation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_ME, INT_MIN, INT_MAX, V|E, "flags"},
454{"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 455{"cgop", "closed gop", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CLOSED_GOP, INT_MIN, INT_MAX, V|E, "flags"},
fac862c6
MN
456{"fast", "allow non spec compliant speedup tricks", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FAST, INT_MIN, INT_MAX, V|E, "flags2"},
457{"sgop", "strictly enforce gop size", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_STRICT_GOP, INT_MIN, INT_MAX, V|E, "flags2"},
458{"noout", "skip bitstream encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NO_OUTPUT, INT_MIN, INT_MAX, V|E, "flags2"},
459{"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 460{"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f 461{"me_method", "set motion estimation method", OFFSET(me_method), FF_OPT_TYPE_INT, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method"},
860a40c8
MN
462{"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
463{"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 464{"g", "set the group of picture size", OFFSET(gop_size), FF_OPT_TYPE_INT, 12, INT_MIN, INT_MAX, V|E},
860a40c8 465{"rate_emu", NULL, OFFSET(rate_emu), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 466{"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
462209fe 467{"ac", "set number of audio channels", OFFSET(channels), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
14f0c8e2 468{"cutoff", "set cutoff bandwidth", OFFSET(cutoff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
c6375bf2 469{"frame_size", NULL, OFFSET(frame_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
860a40c8
MN
470{"frame_number", NULL, OFFSET(frame_number), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
471{"real_pict_num", NULL, OFFSET(real_pict_num), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
472{"delay", NULL, OFFSET(delay), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
4bef236b
DB
473{"qcomp", "video quantizer scale compression (VBR)", OFFSET(qcompress), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, FLT_MAX, V|E},
474{"qblur", "video quantizer scale blur (VBR)", OFFSET(qblur), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, FLT_MAX, V|E},
475{"qmin", "min video quantizer scale (VBR)", OFFSET(qmin), FF_OPT_TYPE_INT, 2, 1, 51, V|E},
476{"qmax", "max video quantizer scale (VBR)", OFFSET(qmax), FF_OPT_TYPE_INT, 31, 1, 51, V|E},
477{"qdiff", "max difference between the quantizer scale (VBR)", OFFSET(max_qdiff), FF_OPT_TYPE_INT, 3, INT_MIN, INT_MAX, V|E},
315b0f97 478{"bf", "use 'frames' B frames", OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, 0, FF_MAX_B_FRAMES, V|E},
7df00a4e 479{"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},
8bbf6db9 480{"rc_strategy", NULL, OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
c9ab8df8 481{"b_strategy", NULL, OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
8bbf6db9 482{"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
860a40c8
MN
483{"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
484{"rtp_payload_size", NULL, OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
485{"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
486{"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
487{"i_tex_bits", NULL, OFFSET(i_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
488{"p_tex_bits", NULL, OFFSET(p_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
489{"i_count", NULL, OFFSET(i_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
490{"p_count", NULL, OFFSET(p_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
491{"skip_count", NULL, OFFSET(skip_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
492{"misc_bits", NULL, OFFSET(misc_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
493{"frame_bits", NULL, OFFSET(frame_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
494{"codec_tag", NULL, OFFSET(codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
7df00a4e 495{"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
MN
496{"autodetect", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
497{"old_msmpeg4", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_OLD_MSMPEG4, INT_MIN, INT_MAX, V|D, "bug"},
498{"xvid_ilace", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_XVID_ILACE, INT_MIN, INT_MAX, V|D, "bug"},
499{"ump4", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_UMP4, INT_MIN, INT_MAX, V|D, "bug"},
500{"no_padding", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_NO_PADDING, INT_MIN, INT_MAX, V|D, "bug"},
501{"amv", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AMV, INT_MIN, INT_MAX, V|D, "bug"},
502{"ac_vlc", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AC_VLC, INT_MIN, INT_MAX, V|D, "bug"},
503{"qpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
504{"std_qpel", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_STD_QPEL, INT_MIN, INT_MAX, V|D, "bug"},
505{"qpel_chroma2", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA2, INT_MIN, INT_MAX, V|D, "bug"},
506{"direct_blocksize", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DIRECT_BLOCKSIZE, INT_MIN, INT_MAX, V|D, "bug"},
507{"edge", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_EDGE, INT_MIN, INT_MAX, V|D, "bug"},
508{"hpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_HPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
509{"dc_clip", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DC_CLIP, INT_MIN, INT_MAX, V|D, "bug"},
510{"ms", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_MS, INT_MIN, INT_MAX, V|D, "bug"},
511{"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},
512{"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},
5cc9b87f 513{"strict", "how strictly to follow the standards", OFFSET(strict_std_compliance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "strict"},
fac862c6
MN
514{"very", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_VERY_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
515{"strict", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
516{"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|E, "strict"},
517{"inofficial", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|E, "strict"},
518{"experimental", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|E, "strict"},
7df00a4e 519{"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},
8f196b14 520{"er", NULL, OFFSET(error_resilience), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
fac862c6
MN
521{"careful", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
522{"compliant", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_COMPLIANT, INT_MIN, INT_MAX, V|D, "er"},
523{"aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
524{"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_VERY_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
860a40c8
MN
525{"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
526{"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
527{"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
8bbf6db9 528{"mpeg_quant", NULL, OFFSET(mpeg_quant), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8
MN
529{"stats_out", NULL, OFFSET(stats_out), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
530{"stats_in", NULL, OFFSET(stats_in), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
4bef236b 531{"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},
076ce017 532{"rc_qmod_amp", NULL, OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
8bbf6db9 533{"rc_qmod_freq", NULL, OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8 534{"rc_override_count", NULL, OFFSET(rc_override_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f 535{"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
7df00a4e
PI
536{"maxrate", "set max video bitrate tolerance (in bits/s)", OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
537{"minrate", "set min video bitrate tolerance (in bits/s)", OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
538{"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
0b97eea3 539{"rc_buf_aggressivity", NULL, OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, 1.0, FLT_MIN, FLT_MAX, V|E},
fda7eb90 540{"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
541{"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},
542{"rc_init_cplx", "initial complexity for 1-pass encoding", OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
637b5326 543{"dct", NULL, OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
fac862c6
MN
544{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
545{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_FASTINT, INT_MIN, INT_MAX, V|E, "dct"},
546{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_INT, INT_MIN, INT_MAX, V|E, "dct"},
547{"mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MMX, INT_MIN, INT_MAX, V|E, "dct"},
548{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MLIB, INT_MIN, INT_MAX, V|E, "dct"},
549{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_ALTIVEC, INT_MIN, INT_MAX, V|E, "dct"},
550{"faan", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_FAAN, INT_MIN, INT_MAX, V|E, "dct"},
076ce017
PI
551{"lumi_mask", "lumimasking", OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
552{"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
553{"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
554{"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
555{"dark_mask", "darkness masking", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
860a40c8 556{"unused", NULL, OFFSET(unused), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
637b5326 557{"idct", NULL, OFFSET(idct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E|D, "idct"},
fac862c6
MN
558{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_AUTO, INT_MIN, INT_MAX, V|E|D, "idct"},
559{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_INT, INT_MIN, INT_MAX, V|E|D, "idct"},
560{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLE, INT_MIN, INT_MAX, V|E|D, "idct"},
561{"simplemmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
562{"libmpeg2mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_LIBMPEG2MMX, INT_MIN, INT_MAX, V|E|D, "idct"},
563{"ps2", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_PS2, INT_MIN, INT_MAX, V|E|D, "idct"},
564{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_MLIB, INT_MIN, INT_MAX, V|E|D, "idct"},
565{"arm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ARM, INT_MIN, INT_MAX, V|E|D, "idct"},
566{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ALTIVEC, INT_MIN, INT_MAX, V|E|D, "idct"},
567{"sh4", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SH4, INT_MIN, INT_MAX, V|E|D, "idct"},
568{"simplearm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARM, INT_MIN, INT_MAX, V|E|D, "idct"},
a0403006 569{"simplearmv5te", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARMV5TE, INT_MIN, INT_MAX, V|E|D, "idct"},
fac862c6
MN
570{"h264", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_H264, INT_MIN, INT_MAX, V|E|D, "idct"},
571{"vp3", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_VP3, INT_MIN, INT_MAX, V|E|D, "idct"},
572{"ipp", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_IPP, INT_MIN, INT_MAX, V|E|D, "idct"},
573{"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_XVIDMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
860a40c8 574{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
8f196b14 575{"ec", NULL, OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
fac862c6
MN
576{"guess_mvs", NULL, 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
577{"deblock", NULL, 0, FF_OPT_TYPE_CONST, FF_EC_DEBLOCK, INT_MIN, INT_MAX, V|D, "ec"},
860a40c8 578{"bits_per_sample", NULL, OFFSET(bits_per_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
8f196b14 579{"pred", "prediction method", OFFSET(prediction_method), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "pred"},
fac862c6
MN
580{"left", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_LEFT, INT_MIN, INT_MAX, V|E, "pred"},
581{"plane", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_PLANE, INT_MIN, INT_MAX, V|E, "pred"},
582{"median", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_MEDIAN, INT_MIN, INT_MAX, V|E, "pred"},
637b5326
MN
583{"aspect", NULL, OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, DEFAULT, 0, 10, V|E},
584{"debug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, DEFAULT, 0, INT_MAX, V|A|S|E|D, "debug"},
fac862c6
MN
585{"pict", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PICT_INFO, INT_MIN, INT_MAX, V|D, "debug"},
586{"rc", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_RC, INT_MIN, INT_MAX, V|E, "debug"},
587{"bitstream", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BITSTREAM, INT_MIN, INT_MAX, V|D, "debug"},
588{"mb_type", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
589{"qp", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_QP, INT_MIN, INT_MAX, V|D, "debug"},
590{"mv", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_MV, INT_MIN, INT_MAX, V|D, "debug"},
591{"dct_coeff", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_DCT_COEFF, INT_MIN, INT_MAX, V|D, "debug"},
592{"skip", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_SKIP, INT_MIN, INT_MAX, V|D, "debug"},
593{"startcode", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_STARTCODE, INT_MIN, INT_MAX, V|D, "debug"},
594{"pts", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PTS, INT_MIN, INT_MAX, V|D, "debug"},
595{"er", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_ER, INT_MIN, INT_MAX, V|D, "debug"},
596{"mmco", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_MMCO, INT_MIN, INT_MAX, V|D, "debug"},
597{"bugs", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BUGS, INT_MIN, INT_MAX, V|D, "debug"},
598{"vis_qp", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_QP, INT_MIN, INT_MAX, V|D, "debug"},
599{"vis_mb_type", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
637b5326 600{"vismv", "visualize motion vectors", OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|D, "debug_mv"},
fac862c6
MN
601{"pf", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_P_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
602{"bf", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
603{"bb", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_BACK, INT_MIN, INT_MAX, V|D, "debug_mv"},
8bbf6db9
MN
604{"mb_qmin", NULL, OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
605{"mb_qmax", NULL, OFFSET(mb_qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
fac862c6
MN
606{"cmp", "full pel me compare function", OFFSET(me_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
607{"subcmp", "sub pel me compare function", OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
ec9127c4 608{"mbcmp", "macroblock compare function", OFFSET(mb_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
8c3dd5dc 609{"ildctcmp", "interlaced dct compare function", OFFSET(ildct_cmp), FF_OPT_TYPE_INT, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
ec9127c4 610{"dia_size", NULL, OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8bbf6db9 611{"last_pred", NULL, OFFSET(last_predictor_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
5cc9b87f 612{"preme", "pre motion estimation", OFFSET(pre_me), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
ec9127c4 613{"precmp", "pre motion estimation compare function", OFFSET(me_pre_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
fac862c6
MN
614{"sad", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
615{"sse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
616{"satd", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SATD, INT_MIN, INT_MAX, V|E, "cmp_func"},
617{"dct", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCT, INT_MIN, INT_MAX, V|E, "cmp_func"},
618{"psnr", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_PSNR, INT_MIN, INT_MAX, V|E, "cmp_func"},
619{"bit", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_BIT, INT_MIN, INT_MAX, V|E, "cmp_func"},
620{"rd", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_RD, INT_MIN, INT_MAX, V|E, "cmp_func"},
621{"zero", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_ZERO, INT_MIN, INT_MAX, V|E, "cmp_func"},
622{"vsad", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
623{"vsse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_VSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
624{"nsse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_NSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
3a6fc8fa 625#ifdef CONFIG_SNOW_ENCODER
fac862c6
MN
626{"w53", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_W53, INT_MIN, INT_MAX, V|E, "cmp_func"},
627{"w97", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_W97, INT_MIN, INT_MAX, V|E, "cmp_func"},
3a6fc8fa 628#endif
fac862c6
MN
629{"dctmax", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
630{"chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_CHROMA, INT_MIN, INT_MAX, V|E, "cmp_func"},
8bbf6db9 631{"pre_dia_size", NULL, OFFSET(pre_dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8c3dd5dc 632{"subq", "sub pel motion estimation quality", OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
860a40c8 633{"dtg_active_format", NULL, OFFSET(dtg_active_format), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f
PI
634{"me_range", "limit motion vectors range (1023 for DivX player)", OFFSET(me_range), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
635{"ibias", "intra quant bias", OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
636{"pbias", "inter quant bias", OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
860a40c8
MN
637{"color_table_id", NULL, OFFSET(color_table_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
638{"internal_buffer_count", NULL, OFFSET(internal_buffer_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
639{"global_quality", NULL, OFFSET(global_quality), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
ec9127c4 640{"coder", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "coder"},
8f196b14
MN
641{"vlc", "variable length coder / huffman coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_VLC, INT_MIN, INT_MAX, V|E, "coder"},
642{"ac", "arithmetic coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_AC, INT_MIN, INT_MAX, V|E, "coder"},
643{"context", "context model", OFFSET(context_model), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
860a40c8
MN
644{"slice_flags", NULL, OFFSET(slice_flags), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
645{"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
ec9127c4 646{"mbd", NULL, OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "mbd"},
fac862c6
MN
647{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_SIMPLE, INT_MIN, INT_MAX, V|E, "mbd"},
648{"bits", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_BITS, INT_MIN, INT_MAX, V|E, "mbd"},
649{"rd", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_RD, INT_MIN, INT_MAX, V|E, "mbd"},
860a40c8 650{"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
5cc9b87f
PI
651{"sc_threshold", "scene change threshold", OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
652{"lmin", "min lagrange factor (VBR)", OFFSET(lmin), FF_OPT_TYPE_INT, 2*FF_QP2LAMBDA, 0, INT_MAX, V|E},
653{"lmax", "max lagrange factor (VBR)", OFFSET(lmax), FF_OPT_TYPE_INT, 31*FF_QP2LAMBDA, 0, INT_MAX, V|E},
8f196b14 654{"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8bbf6db9
MN
655{"rc_init_occupancy", NULL, OFFSET(rc_initial_buffer_occupancy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
656{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8c3dd5dc 657{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|A|E|D, "flags2"},
22565f5d 658{"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
ec9127c4 659{"antialias", NULL, OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "aa"},
fac862c6
MN
660{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_AUTO, INT_MIN, INT_MAX, V|D, "aa"},
661{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FASTINT, INT_MIN, INT_MAX, V|D, "aa"},
662{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_INT, INT_MIN, INT_MAX, V|D, "aa"},
663{"float", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FLOAT, INT_MIN, INT_MAX, V|D, "aa"},
8f196b14 664{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
7df00a4e 665{"threads", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E|D},
637b5326 666{"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
bf080813 667{"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
327409d7 668{"dc", "intra_dc_precision", OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
8f196b14 669{"nssew", "nsse weight", OFFSET(nsse_weight), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
8bbf6db9
MN
670{"skip_top", NULL, OFFSET(skip_top), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
671{"skip_bottom", NULL, OFFSET(skip_bottom), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
ec9127c4 672{"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
fac862c6 673{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
ec9127c4 674{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
fac862c6 675{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
637b5326 676{"lowres", NULL, OFFSET(lowres), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|D},
7df00a4e
PI
677{"skip_threshold", "frame skip threshold", OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
678{"skip_factor", "frame skip factor", OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
679{"skip_exp", "frame skip exponent", OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
d4de20d1 680{"skipcmp", "frame skip compare function", OFFSET(frame_skip_cmp), FF_OPT_TYPE_INT, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
076ce017 681{"border_mask", NULL, OFFSET(border_masking), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
4bef236b
DB
682{"mblmin", "min macroblock quantizer scale (VBR)", OFFSET(mb_lmin), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 2, 1, FF_LAMBDA_MAX, V|E},
683{"mblmax", "max macroblock quantizer scale (VBR)", OFFSET(mb_lmax), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 31, 1, FF_LAMBDA_MAX, V|E},
cccb4c96 684{"mepc", "motion estimation bitrate penalty compensation (1.0 = 256)", OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, 256, INT_MIN, INT_MAX, V|E},
316a2ec8 685{"bidir_refine", NULL, OFFSET(bidir_refine), FF_OPT_TYPE_INT, DEFAULT, 0, 4, V|E},
e8501c93 686{"brd_scale", NULL, OFFSET(brd_scale), FF_OPT_TYPE_INT, DEFAULT, 0, 10, V|E},
58f7833e 687{"crf", NULL, OFFSET(crf), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
8c3dd5dc
PI
688{"cqp", NULL, OFFSET(cqp), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, V|E},
689{"keyint_min", NULL, OFFSET(keyint_min), FF_OPT_TYPE_INT, 25, INT_MIN, INT_MAX, V|E},
690{"refs", NULL, OFFSET(refs), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E},
58f7833e
RS
691{"chromaoffset", NULL, OFFSET(chromaoffset), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
692{"bframebias", NULL, OFFSET(bframebias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
696d6889 693{"trellis", NULL, OFFSET(trellis), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
8c3dd5dc 694{"directpred", NULL, OFFSET(directpred), FF_OPT_TYPE_INT, 2, INT_MIN, INT_MAX, V|E},
58f7833e
RS
695{"bpyramid", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BPYRAMID, INT_MIN, INT_MAX, V|E, "flags2"},
696{"wpred", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_WPRED, INT_MIN, INT_MAX, V|E, "flags2"},
697{"mixed_refs", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_MIXED_REFS, INT_MIN, INT_MAX, V|E, "flags2"},
698{"8x8dct", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_8X8DCT, INT_MIN, INT_MAX, V|E, "flags2"},
699{"fastpskip", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|E, "flags2"},
700{"aud", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_AUD, INT_MIN, INT_MAX, V|E, "flags2"},
701{"brdo", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BRDO, INT_MIN, INT_MAX, V|E, "flags2"},
8c3dd5dc 702{"complexityblur", NULL, OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, 20.0, FLT_MIN, FLT_MAX, V|E},
58f7833e
RS
703{"deblockalpha", NULL, OFFSET(deblockalpha), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
704{"deblockbeta", NULL, OFFSET(deblockbeta), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
705{"partitions", NULL, OFFSET(partitions), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|E, "partitions"},
706{"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I4X4, INT_MIN, INT_MAX, V|E, "partitions"},
707{"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I8X8, INT_MIN, INT_MAX, V|E, "partitions"},
708{"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P4X4, INT_MIN, INT_MAX, V|E, "partitions"},
709{"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P8X8, INT_MIN, INT_MAX, V|E, "partitions"},
710{"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_B8X8, INT_MIN, INT_MAX, V|E, "partitions"},
39a64e30 711{"sc_factor", NULL, OFFSET(scenechange_factor), FF_OPT_TYPE_INT, 6, 0, INT_MAX, V|E},
1dd509b1 712{"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, 256, 0, INT_MAX, V|E},
307eb248 713{"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_INTRA_VLC, INT_MIN, INT_MAX, V|E, "flags2"},
f9243d34 714{"b_sensitivity", NULL, OFFSET(b_sensitivity), FF_OPT_TYPE_INT, 40, 1, INT_MAX, V|E},
a403fc03
JR
715{"compression_level", NULL, OFFSET(compression_level), FF_OPT_TYPE_INT, FF_COMPRESSION_DEFAULT, INT_MIN, INT_MAX, V|A|E},
716{"use_lpc", NULL, OFFSET(use_lpc), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
717{"lpc_coeff_precision", NULL, OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|E},
718{"min_prediction_order", NULL, OFFSET(min_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
719{"max_prediction_order", NULL, OFFSET(max_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
720{"prediction_order_method", NULL, OFFSET(prediction_order_method), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
721{"min_partition_order", NULL, OFFSET(min_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
722{"max_partition_order", NULL, OFFSET(max_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
860a40c8
MN
723{NULL},
724};
725
8bbf6db9
MN
726#undef A
727#undef V
5e89b50b
PI
728#undef S
729#undef E
730#undef D
731#undef DEFAULT
8bbf6db9 732
860a40c8 733static AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
43465395 734
a949d72e 735void avcodec_get_context_defaults(AVCodecContext *s){
9740beff
MN
736 memset(s, 0, sizeof(AVCodecContext));
737
43465395 738 s->av_class= &av_codec_context_class;
73a8ceaa
PI
739
740 av_opt_set_defaults(s);
741
a949d72e 742 s->rc_eq= "tex^qComp";
c0df9d75 743 s->time_base= (AVRational){0,1};
1e491e29
MN
744 s->get_buffer= avcodec_default_get_buffer;
745 s->release_buffer= avcodec_default_release_buffer;
a33c7159 746 s->get_format= avcodec_default_get_format;
9c3d33d6 747 s->execute= avcodec_default_execute;
5ff85f1d 748 s->sample_aspect_ratio= (AVRational){0,1};
644a9262 749 s->pix_fmt= PIX_FMT_NONE;
1319a77b 750 s->sample_fmt= SAMPLE_FMT_S16; // FIXME: set to NONE
8c3dd5dc 751
2a2bbcb0 752 s->palctrl = NULL;
e1c2a5a0 753 s->reget_buffer= avcodec_default_reget_buffer;
a949d72e
MN
754}
755
756/**
757 * allocates a AVCodecContext and set it to defaults.
115329f1 758 * this can be deallocated by simply calling free()
a949d72e 759 */
7ffbb60e 760AVCodecContext *avcodec_alloc_context(void){
9740beff 761 AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
115329f1 762
a949d72e 763 if(avctx==NULL) return NULL;
115329f1 764
a949d72e 765 avcodec_get_context_defaults(avctx);
115329f1 766
a949d72e
MN
767 return avctx;
768}
769
9740beff
MN
770void avcodec_get_frame_defaults(AVFrame *pic){
771 memset(pic, 0, sizeof(AVFrame));
772
773 pic->pts= AV_NOPTS_VALUE;
c342499d 774 pic->key_frame= 1;
9740beff
MN
775}
776
1e491e29 777/**
492cd3a9 778 * allocates a AVPFrame and set it to defaults.
115329f1 779 * this can be deallocated by simply calling free()
1e491e29 780 */
492cd3a9 781AVFrame *avcodec_alloc_frame(void){
9740beff 782 AVFrame *pic= av_malloc(sizeof(AVFrame));
115329f1 783
9740beff 784 if(pic==NULL) return NULL;
115329f1 785
9740beff 786 avcodec_get_frame_defaults(pic);
115329f1 787
1e491e29
MN
788 return pic;
789}
790
de6d9b64
FB
791int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
792{
ddebfb15 793 int ret= -1;
115329f1 794
ddebfb15
MN
795 entangled_thread_counter++;
796 if(entangled_thread_counter != 1){
797 av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
798 goto end;
799 }
de6d9b64 800
09770af8 801 if(avctx->codec)
ddebfb15 802 goto end;
09770af8 803
0edf8a7a
PG
804 if (codec->priv_data_size > 0) {
805 avctx->priv_data = av_mallocz(codec->priv_data_size);
115329f1 806 if (!avctx->priv_data)
ddebfb15 807 goto end;
0edf8a7a
PG
808 } else {
809 avctx->priv_data = NULL;
810 }
21adafec
MN
811
812 if(avctx->coded_width && avctx->coded_height)
813 avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
814 else if(avctx->width && avctx->height)
815 avcodec_set_dimensions(avctx, avctx->width, avctx->height);
816
0ecca7a4
MN
817 if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
818 av_freep(&avctx->priv_data);
ddebfb15 819 goto end;
0ecca7a4
MN
820 }
821
b5c85991
MN
822 avctx->codec = codec;
823 avctx->codec_id = codec->id;
824 avctx->frame_number = 0;
de6d9b64
FB
825 ret = avctx->codec->init(avctx);
826 if (ret < 0) {
3123dd79 827 av_freep(&avctx->priv_data);
b5c85991 828 avctx->codec= NULL;
ddebfb15 829 goto end;
de6d9b64 830 }
ddebfb15
MN
831 ret=0;
832end:
833 entangled_thread_counter--;
834 return ret;
de6d9b64
FB
835}
836
115329f1 837int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
de6d9b64
FB
838 const short *samples)
839{
0ecca7a4
MN
840 if(buf_size < FF_MIN_BUFFER_SIZE && 0){
841 av_log(avctx, AV_LOG_ERROR, "buffer smaller then minimum size\n");
842 return -1;
843 }
6f824977
MN
844 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
845 int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)samples);
846 avctx->frame_number++;
847 return ret;
848 }else
849 return 0;
de6d9b64
FB
850}
851
115329f1 852int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
492cd3a9 853 const AVFrame *pict)
de6d9b64 854{
0ecca7a4
MN
855 if(buf_size < FF_MIN_BUFFER_SIZE){
856 av_log(avctx, AV_LOG_ERROR, "buffer smaller then minimum size\n");
857 return -1;
858 }
859 if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
860 return -1;
6f824977
MN
861 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
862 int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict);
863 avctx->frame_number++;
bb628dae 864 emms_c(); //needed to avoid an emms_c() call before every return;
115329f1 865
6f824977
MN
866 return ret;
867 }else
868 return 0;
de6d9b64
FB
869}
870
115329f1 871int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
240c1657
FB
872 const AVSubtitle *sub)
873{
874 int ret;
875 ret = avctx->codec->encode(avctx, buf, buf_size, (void *)sub);
876 avctx->frame_number++;
877 return ret;
878}
879
115329f1
DB
880/**
881 * decode a frame.
f138f883
MN
882 * @param buf bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE larger then the actual read bytes
883 * because some optimized bitstream readers read 32 or 64 bit at once and could read over the end
884 * @param buf_size the size of the buffer in bytes
885 * @param got_picture_ptr zero if no frame could be decompressed, Otherwise, it is non zero
886 * @return -1 if error, otherwise return the number of
115329f1 887 * bytes used.
f138f883 888 */
115329f1 889int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
de6d9b64 890 int *got_picture_ptr,
0c1a9eda 891 uint8_t *buf, int buf_size)
de6d9b64
FB
892{
893 int ret;
115329f1 894
53db1cae 895 *got_picture_ptr= 0;
0ecca7a4
MN
896 if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
897 return -1;
934982c4 898 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
115329f1 899 ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
934982c4 900 buf, buf_size);
6bb925f4 901
bb628dae 902 emms_c(); //needed to avoid an emms_c() call before every return;
115329f1
DB
903
904 if (*got_picture_ptr)
934982c4
MN
905 avctx->frame_number++;
906 }else
907 ret= 0;
908
de6d9b64
FB
909 return ret;
910}
911
912/* decode an audio frame. return -1 if error, otherwise return the
913 *number of bytes used. If no frame could be decompressed,
914 *frame_size_ptr is zero. Otherwise, it is the decompressed frame
915 *size in BYTES. */
115329f1 916int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
de6d9b64 917 int *frame_size_ptr,
0c1a9eda 918 uint8_t *buf, int buf_size)
de6d9b64
FB
919{
920 int ret;
921
53db1cae 922 *frame_size_ptr= 0;
fec9ccb7 923 if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
115329f1 924 ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
fec9ccb7
MN
925 buf, buf_size);
926 avctx->frame_number++;
927 }else
928 ret= 0;
de6d9b64
FB
929 return ret;
930}
931
240c1657
FB
932/* decode a subtitle message. return -1 if error, otherwise return the
933 *number of bytes used. If no subtitle could be decompressed,
934 *got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. */
935int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
936 int *got_sub_ptr,
937 const uint8_t *buf, int buf_size)
938{
939 int ret;
940
941 *got_sub_ptr = 0;
115329f1 942 ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
240c1657
FB
943 (uint8_t *)buf, buf_size);
944 if (*got_sub_ptr)
945 avctx->frame_number++;
946 return ret;
947}
948
de6d9b64
FB
949int avcodec_close(AVCodecContext *avctx)
950{
ddebfb15
MN
951 entangled_thread_counter++;
952 if(entangled_thread_counter != 1){
953 av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
954 entangled_thread_counter--;
955 return -1;
956 }
957
de6d9b64
FB
958 if (avctx->codec->close)
959 avctx->codec->close(avctx);
eea8c08f 960 avcodec_default_free_buffers(avctx);
3123dd79 961 av_freep(&avctx->priv_data);
de6d9b64 962 avctx->codec = NULL;
ddebfb15 963 entangled_thread_counter--;
de6d9b64
FB
964 return 0;
965}
966
967AVCodec *avcodec_find_encoder(enum CodecID id)
968{
969 AVCodec *p;
970 p = first_avcodec;
971 while (p) {
972 if (p->encode != NULL && p->id == id)
973 return p;
974 p = p->next;
975 }
976 return NULL;
977}
978
98f3b098
A
979AVCodec *avcodec_find_encoder_by_name(const char *name)
980{
981 AVCodec *p;
982 p = first_avcodec;
983 while (p) {
984 if (p->encode != NULL && strcmp(name,p->name) == 0)
985 return p;
986 p = p->next;
987 }
988 return NULL;
989}
990
de6d9b64
FB
991AVCodec *avcodec_find_decoder(enum CodecID id)
992{
993 AVCodec *p;
994 p = first_avcodec;
995 while (p) {
996 if (p->decode != NULL && p->id == id)
997 return p;
998 p = p->next;
999 }
1000 return NULL;
1001}
1002
1003AVCodec *avcodec_find_decoder_by_name(const char *name)
1004{
1005 AVCodec *p;
1006 p = first_avcodec;
1007 while (p) {
1008 if (p->decode != NULL && strcmp(name,p->name) == 0)
1009 return p;
1010 p = p->next;
1011 }
1012 return NULL;
1013}
1014
de6d9b64
FB
1015void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
1016{
1017 const char *codec_name;
1018 AVCodec *p;
1019 char buf1[32];
623563c0 1020 char channels_str[100];
a96b68b7 1021 int bitrate;
de6d9b64
FB
1022
1023 if (encode)
1024 p = avcodec_find_encoder(enc->codec_id);
1025 else
1026 p = avcodec_find_decoder(enc->codec_id);
1027
1028 if (p) {
1029 codec_name = p->name;
98ce5991
FB
1030 if (!encode && enc->codec_id == CODEC_ID_MP3) {
1031 if (enc->sub_id == 2)
1032 codec_name = "mp2";
1033 else if (enc->sub_id == 1)
1034 codec_name = "mp1";
1035 }
985180a1
FB
1036 } else if (enc->codec_id == CODEC_ID_MPEG2TS) {
1037 /* fake mpeg2 transport stream codec (currently not
1038 registered) */
1039 codec_name = "mpeg2ts";
de6d9b64
FB
1040 } else if (enc->codec_name[0] != '\0') {
1041 codec_name = enc->codec_name;
1042 } else {
1043 /* output avi tags */
115329f1 1044 if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF)
b983a5c6 1045 && isprint((enc->codec_tag>>16)&0xFF) && isprint((enc->codec_tag>>24)&0xFF)){
115329f1 1046 snprintf(buf1, sizeof(buf1), "%c%c%c%c / 0x%04X",
de6d9b64
FB
1047 enc->codec_tag & 0xff,
1048 (enc->codec_tag >> 8) & 0xff,
1049 (enc->codec_tag >> 16) & 0xff,
b983a5c6
MN
1050 (enc->codec_tag >> 24) & 0xff,
1051 enc->codec_tag);
de6d9b64
FB
1052 } else {
1053 snprintf(buf1, sizeof(buf1), "0x%04x", enc->codec_tag);
1054 }
1055 codec_name = buf1;
1056 }
1057
1058 switch(enc->codec_type) {
1059 case CODEC_TYPE_VIDEO:
1060 snprintf(buf, buf_size,
1061 "Video: %s%s",
7d1c3fc1 1062 codec_name, enc->mb_decision ? " (hq)" : "");
82c0c4ba 1063 if (enc->pix_fmt != PIX_FMT_NONE) {
cf087595
FB
1064 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1065 ", %s",
9bbffbb1 1066 avcodec_get_pix_fmt_name(enc->pix_fmt));
cf087595 1067 }
de6d9b64
FB
1068 if (enc->width) {
1069 snprintf(buf + strlen(buf), buf_size - strlen(buf),
21189011
MN
1070 ", %dx%d",
1071 enc->width, enc->height);
1072 if(av_log_get_level() >= AV_LOG_DEBUG){
1073 int g= ff_gcd(enc->time_base.num, enc->time_base.den);
1074 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1075 ", %d/%d",
1076 enc->time_base.num/g, enc->time_base.den/g);
1077 }
de6d9b64 1078 }
4bfad535
FB
1079 if (encode) {
1080 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1081 ", q=%d-%d", enc->qmin, enc->qmax);
1082 }
a96b68b7 1083 bitrate = enc->bit_rate;
de6d9b64
FB
1084 break;
1085 case CODEC_TYPE_AUDIO:
1086 snprintf(buf, buf_size,
1087 "Audio: %s",
1088 codec_name);
e0d2714a
J
1089 switch (enc->channels) {
1090 case 1:
623563c0 1091 strcpy(channels_str, "mono");
e0d2714a
J
1092 break;
1093 case 2:
623563c0 1094 strcpy(channels_str, "stereo");
e0d2714a
J
1095 break;
1096 case 6:
623563c0 1097 strcpy(channels_str, "5:1");
e0d2714a
J
1098 break;
1099 default:
2fc8ea24 1100 snprintf(channels_str, sizeof(channels_str), "%d channels", enc->channels);
e0d2714a
J
1101 break;
1102 }
de6d9b64
FB
1103 if (enc->sample_rate) {
1104 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1105 ", %d Hz, %s",
1106 enc->sample_rate,
e0d2714a 1107 channels_str);
de6d9b64 1108 }
115329f1 1109
a96b68b7
FB
1110 /* for PCM codecs, compute bitrate directly */
1111 switch(enc->codec_id) {
b461b3bc
RD
1112 case CODEC_ID_PCM_S32LE:
1113 case CODEC_ID_PCM_S32BE:
1114 case CODEC_ID_PCM_U32LE:
1115 case CODEC_ID_PCM_U32BE:
1116 bitrate = enc->sample_rate * enc->channels * 32;
1117 break;
1118 case CODEC_ID_PCM_S24LE:
1119 case CODEC_ID_PCM_S24BE:
1120 case CODEC_ID_PCM_U24LE:
1121 case CODEC_ID_PCM_U24BE:
1122 case CODEC_ID_PCM_S24DAUD:
1123 bitrate = enc->sample_rate * enc->channels * 24;
1124 break;
a96b68b7
FB
1125 case CODEC_ID_PCM_S16LE:
1126 case CODEC_ID_PCM_S16BE:
1127 case CODEC_ID_PCM_U16LE:
1128 case CODEC_ID_PCM_U16BE:
a190b7e9 1129 bitrate = enc->sample_rate * enc->channels * 16;
a96b68b7
FB
1130 break;
1131 case CODEC_ID_PCM_S8:
1132 case CODEC_ID_PCM_U8:
1133 case CODEC_ID_PCM_ALAW:
1134 case CODEC_ID_PCM_MULAW:
a190b7e9 1135 bitrate = enc->sample_rate * enc->channels * 8;
a96b68b7
FB
1136 break;
1137 default:
1138 bitrate = enc->bit_rate;
1139 break;
1140 }
de6d9b64 1141 break;
985180a1
FB
1142 case CODEC_TYPE_DATA:
1143 snprintf(buf, buf_size, "Data: %s", codec_name);
240c1657
FB
1144 bitrate = enc->bit_rate;
1145 break;
1146 case CODEC_TYPE_SUBTITLE:
1147 snprintf(buf, buf_size, "Subtitle: %s", codec_name);
985180a1
FB
1148 bitrate = enc->bit_rate;
1149 break;
de6d9b64 1150 default:
9fe5a7b8
MN
1151 snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
1152 return;
de6d9b64 1153 }
4bfad535
FB
1154 if (encode) {
1155 if (enc->flags & CODEC_FLAG_PASS1)
1156 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1157 ", pass 1");
1158 if (enc->flags & CODEC_FLAG_PASS2)
1159 snprintf(buf + strlen(buf), buf_size - strlen(buf),
1160 ", pass 2");
1161 }
a96b68b7 1162 if (bitrate != 0) {
115329f1 1163 snprintf(buf + strlen(buf), buf_size - strlen(buf),
a96b68b7 1164 ", %d kb/s", bitrate / 1000);
de6d9b64
FB
1165 }
1166}
1167
156e5023
NK
1168unsigned avcodec_version( void )
1169{
1170 return LIBAVCODEC_VERSION_INT;
1171}
cf087595 1172
8bceb6af
NK
1173unsigned avcodec_build( void )
1174{
1175 return LIBAVCODEC_BUILD;
1176}
1177
43a80cce
MN
1178static void init_crcs(void){
1179 av_crc04C11DB7= av_mallocz_static(sizeof(AVCRC) * 257);
e027d0a8 1180 av_crc8005 = av_mallocz_static(sizeof(AVCRC) * 257);
b865838e 1181 av_crc07 = av_mallocz_static(sizeof(AVCRC) * 257);
43a80cce 1182 av_crc_init(av_crc04C11DB7, 0, 32, 0x04c11db7, sizeof(AVCRC)*257);
e027d0a8 1183 av_crc_init(av_crc8005 , 0, 16, 0x8005 , sizeof(AVCRC)*257);
b865838e 1184 av_crc_init(av_crc07 , 0, 8, 0x07 , sizeof(AVCRC)*257);
43a80cce
MN
1185}
1186
de6d9b64
FB
1187/* must be called before any other functions */
1188void avcodec_init(void)
1189{
0344cd0a
AB
1190 static int inited = 0;
1191
1192 if (inited != 0)
bb270c08 1193 return;
0344cd0a
AB
1194 inited = 1;
1195
59cf08ce 1196 dsputil_static_init();
43a80cce 1197 init_crcs();
de6d9b64
FB
1198}
1199
7a06ff14
MN
1200/**
1201 * Flush buffers, should be called when seeking or when swicthing to a different stream.
1202 */
1c2a8c7f
MN
1203void avcodec_flush_buffers(AVCodecContext *avctx)
1204{
7a06ff14
MN
1205 if(avctx->codec->flush)
1206 avctx->codec->flush(avctx);
1c2a8c7f
MN
1207}
1208
b100eab8 1209void avcodec_default_free_buffers(AVCodecContext *s){
d90cf87b
MN
1210 int i, j;
1211
1212 if(s->internal_buffer==NULL) return;
115329f1 1213
d90cf87b
MN
1214 for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
1215 InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];
1216 for(j=0; j<4; j++){
1217 av_freep(&buf->base[j]);
1218 buf->data[j]= NULL;
1219 }
1220 }
1221 av_freep(&s->internal_buffer);
115329f1 1222
d90cf87b
MN
1223 s->internal_buffer_count=0;
1224}
1225
d8085ea7
MN
1226char av_get_pict_type_char(int pict_type){
1227 switch(pict_type){
115329f1
DB
1228 case I_TYPE: return 'I';
1229 case P_TYPE: return 'P';
1230 case B_TYPE: return 'B';
1231 case S_TYPE: return 'S';
1232 case SI_TYPE:return 'i';
1233 case SP_TYPE:return 'p';
d8085ea7
MN
1234 default: return '?';
1235 }
1236}
1237
ac3e1834
BC
1238int av_get_bits_per_sample(enum CodecID codec_id){
1239 switch(codec_id){
5da71469 1240 case CODEC_ID_ADPCM_SBPRO_2:
f1b163e0 1241 return 2;
5da71469 1242 case CODEC_ID_ADPCM_SBPRO_3:
f1b163e0 1243 return 3;
5da71469 1244 case CODEC_ID_ADPCM_SBPRO_4:
f1b163e0
AJ
1245 case CODEC_ID_ADPCM_CT:
1246 return 4;
ac3e1834
BC
1247 case CODEC_ID_PCM_ALAW:
1248 case CODEC_ID_PCM_MULAW:
1249 case CODEC_ID_PCM_S8:
1250 case CODEC_ID_PCM_U8:
1251 return 8;
1252 case CODEC_ID_PCM_S16BE:
1253 case CODEC_ID_PCM_S16LE:
1254 case CODEC_ID_PCM_U16BE:
1255 case CODEC_ID_PCM_U16LE:
1256 return 16;
1257 case CODEC_ID_PCM_S24DAUD:
1258 case CODEC_ID_PCM_S24BE:
1259 case CODEC_ID_PCM_S24LE:
1260 case CODEC_ID_PCM_U24BE:
1261 case CODEC_ID_PCM_U24LE:
1262 return 24;
1263 case CODEC_ID_PCM_S32BE:
1264 case CODEC_ID_PCM_S32LE:
1265 case CODEC_ID_PCM_U32BE:
1266 case CODEC_ID_PCM_U32LE:
1267 return 32;
1268 default:
1269 return 0;
1270 }
1271}
1272
2450cff2 1273#if !defined(HAVE_THREADS)
ca8ad847
MN
1274int avcodec_thread_init(AVCodecContext *s, int thread_count){
1275 return -1;
1276}
1277#endif
ad2b531d
MR
1278
1279unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
1280{
1281 unsigned int n = 0;
1282
1283 while(v >= 0xff) {
1284 *s++ = 0xff;
1285 v -= 0xff;
1286 n++;
1287 }
1288 *s = v;
1289 n++;
1290 return n;
1291}
1005f542
CH
1292
1293/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
1294 * Also, tries to create file in /tmp first, if possible.
1295 * *prefix can be a character constant; *filename will be allocated internally.
1296 * Returns file descriptor of opened file (or -1 on error)
1297 * and opened file name in **filename. */
1298int av_tempfile(char *prefix, char **filename) {
1299 int fd=-1;
2f30a81d 1300#ifdef __MINGW32__
1005f542
CH
1301 *filename = tempnam(".", prefix);
1302#else
1303 size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
f2508b17 1304 *filename = av_malloc(len);
1005f542
CH
1305#endif
1306 /* -----common section-----*/
1307 if (*filename == NULL) {
1308 av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
1309 return -1;
1310 }
2f30a81d 1311#ifdef __MINGW32__
1005f542
CH
1312 fd = open(*filename, _O_RDWR | _O_BINARY | _O_CREAT, 0444);
1313#else
1314 snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
1315 fd = mkstemp(*filename);
1316 if (fd < 0) {
1317 snprintf(*filename, len, "./%sXXXXXX", prefix);
1318 fd = mkstemp(*filename);
1319 }
1320#endif
1321 /* -----common section-----*/
1322 if (fd < 0) {
1323 av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
1324 return -1;
1325 }
1326 return fd; /* success */
1327}