utils.c
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上传日期:2022-06-04
资源大小:8887k
文件大小:71k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * utils for libavcodec
- * Copyright (c) 2001 Fabrice Bellard.
- * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- /**
- * @file utils.c
- * utils.
- */
- #include "integer.h"
- #include "crc.h"
- #include "avcodec.h"
- #include "dsputil.h"
- #include "opt.h"
- #include "imgconvert.h"
- #include "define.h"
- #include <stdarg.h>
- #include <limits.h>
- #include <float.h>
- #include <stdio.h>
- #include <assert.h>
- #if !defined(HAVE_MKSTEMP)
- #include <fcntl.h>
- #endif
- const uint8_t ff_reverse[256]={
- 0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
- 0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
- 0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
- 0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
- 0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
- 0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
- 0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
- 0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
- 0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
- 0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
- 0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
- 0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
- 0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
- 0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
- 0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
- 0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
- };
- static int volatile entangled_thread_counter=0;
- void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
- {
- if(min_size < *size)
- return ptr;
- *size= FFMAX(17*min_size/16 + 32, min_size);
- ptr= av_realloc(ptr, *size);
- if(!ptr) //we could set this to the unmodified min_size but this is safer if the user lost the ptr and uses NULL now
- *size= 0;
- return ptr;
- }
- /* encoder management */
- AVCodec *first_avcodec = NULL;
- AVCodec *av_codec_next(AVCodec *c){
- if(c) return c->next;
- else return first_avcodec;
- }
- void register_avcodec(AVCodec *format)
- {
- AVCodec **p;
- p = &first_avcodec;
- while (*p != NULL) p = &(*p)->next;
- *p = format;
- format->next = NULL;
- }
- void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
- s->coded_width = width;
- s->coded_height= height;
- s->width = -((-width )>>s->lowres);
- s->height= -((-height)>>s->lowres);
- }
- typedef struct InternalBuffer{
- int last_pic_num;
- uint8_t *base[4];
- uint8_t *data[4];
- int linesize[4];
- int width, height;
- enum PixelFormat pix_fmt;
- }InternalBuffer;
- #define INTERNAL_BUFFER_SIZE 32
- #define ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
- void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
- int w_align= 1;
- int h_align= 1;
- switch(s->pix_fmt){
- case PIX_FMT_YUV420P:
- case PIX_FMT_YUYV422:
- case PIX_FMT_UYVY422:
- case PIX_FMT_YUV422P:
- case PIX_FMT_YUV444P:
- case PIX_FMT_GRAY8:
- case PIX_FMT_GRAY16BE:
- case PIX_FMT_GRAY16LE:
- case PIX_FMT_YUVJ420P:
- case PIX_FMT_YUVJ422P:
- case PIX_FMT_YUVJ444P:
- case PIX_FMT_YUVA420P:
- w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
- h_align= 16;
- break;
- case PIX_FMT_YUV411P:
- case PIX_FMT_UYYVYY411:
- w_align=32;
- h_align=8;
- break;
- case PIX_FMT_YUV410P:
- if(s->codec_id == CODEC_ID_SVQ1){
- w_align=64;
- h_align=64;
- }
- case PIX_FMT_RGB555:
- if(s->codec_id == CODEC_ID_RPZA){
- w_align=4;
- h_align=4;
- }
- case PIX_FMT_PAL8:
- if(s->codec_id == CODEC_ID_SMC){
- w_align=4;
- h_align=4;
- }
- break;
- case PIX_FMT_BGR24:
- if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){
- w_align=4;
- h_align=4;
- }
- break;
- default:
- w_align= 1;
- h_align= 1;
- break;
- }
- *width = ALIGN(*width , w_align);
- *height= ALIGN(*height, h_align);
- }
- int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){
- if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/4)
- return 0;
- av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)n", w, h);
- return -1;
- }
- int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
- int i;
- int w= s->width;
- int h= s->height;
- InternalBuffer *buf;
- int *picture_number;
- if(pic->data[0]!=NULL) {
- av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffern");
- return -1;
- }
- if(s->internal_buffer_count >= INTERNAL_BUFFER_SIZE) {
- av_log(s, AV_LOG_ERROR, "internal_buffer_count overflow (missing release_buffer?)n");
- return -1;
- }
- if(avcodec_check_dimensions(s,w,h))
- return -1;
- if(s->internal_buffer==NULL){
- s->internal_buffer= av_mallocz(INTERNAL_BUFFER_SIZE*sizeof(InternalBuffer));
- }
- #if 0
- s->internal_buffer= av_fast_realloc(
- s->internal_buffer,
- &s->internal_buffer_size,
- sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/
- );
- #endif
- buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
- picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE-1]).last_pic_num; //FIXME ugly hack
- (*picture_number)++;
- if(buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)){
- for(i=0; i<4; i++){
- av_freep(&buf->base[i]);
- buf->data[i]= NULL;
- }
- }
- if(buf->base[0]){
- pic->age= *picture_number - buf->last_pic_num;
- buf->last_pic_num= *picture_number;
- }else{
- int h_chroma_shift, v_chroma_shift;
- int size[4] = {0};
- int tmpsize;
- AVPicture picture;
- avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
- avcodec_align_dimensions(s, &w, &h);
- if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
- w+= EDGE_WIDTH*2;
- h+= EDGE_WIDTH*2;
- }
- avcodec_align_dimensions(s, &w, &h);
- ff_fill_linesize(&picture, s->pix_fmt, w);
- for (i=0; i<4; i++)
- picture.linesize[i] = ALIGN(picture.linesize[i], STRIDE_ALIGN);
- tmpsize = ff_fill_pointer(&picture, NULL, s->pix_fmt, h);
- for (i=0; i<3 && picture.data[i+1]; i++)
- size[i] = picture.data[i+1] - picture.data[i];
- size[i] = tmpsize - (picture.data[i] - picture.data[0]);
- buf->last_pic_num= -256*256*256*64;
- memset(buf->base, 0, sizeof(buf->base));
- memset(buf->data, 0, sizeof(buf->data));
- for(i=0; i<4 && size[i]; i++){
- const int h_shift= i==0 ? 0 : h_chroma_shift;
- const int v_shift= i==0 ? 0 : v_chroma_shift;
- buf->linesize[i]= picture.linesize[i];
- buf->base[i]= av_malloc(size[i]+16); //FIXME 16
- if(buf->base[i]==NULL) return -1;
- memset(buf->base[i], 128, size[i]);
- // no edge if EDEG EMU or not planar YUV, we check for PAL8 redundantly to protect against a exploitable bug regression ...
- if((s->flags&CODEC_FLAG_EMU_EDGE) || (s->pix_fmt == PIX_FMT_PAL8) || !size[2])
- buf->data[i] = buf->base[i];
- else
- buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), STRIDE_ALIGN);
- }
- buf->width = s->width;
- buf->height = s->height;
- buf->pix_fmt= s->pix_fmt;
- pic->age= 256*256*256*64;
- }
- pic->type= FF_BUFFER_TYPE_INTERNAL;
- for(i=0; i<4; i++){
- pic->base[i]= buf->base[i];
- pic->data[i]= buf->data[i];
- pic->linesize[i]= buf->linesize[i];
- }
- s->internal_buffer_count++;
- return 0;
- }
- void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
- int i;
- InternalBuffer *buf, *last;
- assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
- assert(s->internal_buffer_count);
- buf = NULL; /* avoids warning */
- for(i=0; i<s->internal_buffer_count; i++){ //just 3-5 checks so is not worth to optimize
- buf= &((InternalBuffer*)s->internal_buffer)[i];
- if(buf->data[0] == pic->data[0])
- break;
- }
- assert(i < s->internal_buffer_count);
- s->internal_buffer_count--;
- last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
- FFSWAP(InternalBuffer, *buf, *last);
- for(i=0; i<4; i++){
- pic->data[i]=NULL;
- // pic->base[i]=NULL;
- }
- //printf("R%Xn", pic->opaque);
- }
- int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
- AVFrame temp_pic;
- int i;
- /* If no picture return a new buffer */
- if(pic->data[0] == NULL) {
- /* We will copy from buffer, so must be readable */
- pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
- return s->get_buffer(s, pic);
- }
- /* If internal buffer type return the same buffer */
- if(pic->type == FF_BUFFER_TYPE_INTERNAL)
- return 0;
- /*
- * Not internal type and reget_buffer not overridden, emulate cr buffer
- */
- temp_pic = *pic;
- for(i = 0; i < 4; i++)
- pic->data[i] = pic->base[i] = NULL;
- pic->opaque = NULL;
- /* Allocate new frame */
- if (s->get_buffer(s, pic))
- return -1;
- /* Copy image data from old buffer to new buffer */
- av_picture_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
- s->height);
- s->release_buffer(s, &temp_pic); // Release old frame
- return 0;
- }
- int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){
- int i;
- for(i=0; i<count; i++){
- int r= func(c, arg[i]);
- if(ret) ret[i]= r;
- }
- return 0;
- }
- enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt){
- return fmt[0];
- }
- static const char* context_to_name(void* ptr) {
- AVCodecContext *avc= ptr;
- if(avc && avc->codec && avc->codec->name)
- return avc->codec->name;
- else
- return "NULL";
- }
- #define OFFSET(x) offsetof(AVCodecContext,x)
- #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
- //these names are too long to be readable
- #define V AV_OPT_FLAG_VIDEO_PARAM
- #define A AV_OPT_FLAG_AUDIO_PARAM
- #define S AV_OPT_FLAG_SUBTITLE_PARAM
- #define E AV_OPT_FLAG_ENCODING_PARAM
- #define D AV_OPT_FLAG_DECODING_PARAM
- #define AV_CODEC_DEFAULT_BITRATE 200*1000
- static const AVOption options[]={
- {"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, AV_CODEC_DEFAULT_BITRATE, INT_MIN, INT_MAX, V|E},
- {"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, 64*1000, INT_MIN, INT_MAX, A|E},
- {"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},
- {"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, 0, UINT_MAX, V|A|E|D, "flags"},
- {"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_4MV, INT_MIN, INT_MAX, V|E, "flags"},
- {"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_OBMC, INT_MIN, INT_MAX, V|E, "flags"},
- {"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QPEL, INT_MIN, INT_MAX, V|E, "flags"},
- {"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOOP_FILTER, INT_MIN, INT_MAX, V|E, "flags"},
- {"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QSCALE, INT_MIN, INT_MAX, 0, "flags"},
- {"gmc", "use gmc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GMC, INT_MIN, INT_MAX, V|E, "flags"},
- {"mv0", "always try a mb with mv=<0,0>", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_MV0, INT_MIN, INT_MAX, V|E, "flags"},
- {"part", "use data partitioning", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PART, INT_MIN, INT_MAX, V|E, "flags"},
- {"input_preserved", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INPUT_PRESERVED, INT_MIN, INT_MAX, 0, "flags"},
- {"pass1", "use internal 2pass ratecontrol in first pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS1, INT_MIN, INT_MAX, 0, "flags"},
- {"pass2", "use internal 2pass ratecontrol in second pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS2, INT_MIN, INT_MAX, 0, "flags"},
- {"extern_huff", "use external huffman table (for mjpeg)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EXTERN_HUFF, INT_MIN, INT_MAX, 0, "flags"},
- {"gray", "only decode/encode grayscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GRAY, INT_MIN, INT_MAX, V|E|D, "flags"},
- {"emu_edge", "don't draw edges", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EMU_EDGE, INT_MIN, INT_MAX, 0, "flags"},
- {"psnr", "error[?] variables will be set during encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PSNR, INT_MIN, INT_MAX, V|E, "flags"},
- {"truncated", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRUNCATED, INT_MIN, INT_MAX, 0, "flags"},
- {"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_NORMALIZE_AQP, INT_MIN, INT_MAX, V|E, "flags"},
- {"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_DCT, INT_MIN, INT_MAX, V|E, "flags"},
- {"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOW_DELAY, INT_MIN, INT_MAX, V|D|E, "flags"},
- {"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_ALT_SCAN, INT_MIN, INT_MAX, V|E, "flags"},
- #if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
- {"trell", "use trellis quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRELLIS_QUANT, INT_MIN, INT_MAX, V|E, "flags"},
- #endif
- {"global_header", "place global headers in extradata instead of every keyframe", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GLOBAL_HEADER, INT_MIN, INT_MAX, V|A|E, "flags"},
- {"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"},
- {"aic", "h263 advanced intra coding / mpeg4 ac prediction", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_AC_PRED, INT_MIN, INT_MAX, V|E, "flags"},
- {"umv", "use unlimited motion vectors", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_UMV, INT_MIN, INT_MAX, V|E, "flags"},
- {"cbp", "use rate distortion optimization for cbp", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CBP_RD, INT_MIN, INT_MAX, V|E, "flags"},
- {"qprd", "use rate distortion optimization for qp selection", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QP_RD, INT_MIN, INT_MAX, V|E, "flags"},
- {"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_AIV, INT_MIN, INT_MAX, V|E, "flags"},
- {"slice", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_SLICE_STRUCT, INT_MIN, INT_MAX, V|E, "flags"},
- {"ilme", "interlaced motion estimation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_ME, INT_MIN, INT_MAX, V|E, "flags"},
- {"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"},
- {"cgop", "closed gop", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CLOSED_GOP, INT_MIN, INT_MAX, V|E, "flags"},
- {"fast", "allow non spec compliant speedup tricks", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FAST, INT_MIN, INT_MAX, V|E, "flags2"},
- {"sgop", "strictly enforce gop size", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_STRICT_GOP, INT_MIN, INT_MAX, V|E, "flags2"},
- {"noout", "skip bitstream encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NO_OUTPUT, INT_MIN, INT_MAX, V|E, "flags2"},
- {"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"},
- {"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"me_method", "set motion estimation method", OFFSET(me_method), FF_OPT_TYPE_INT, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method"},
- #if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
- {"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"},
- #endif
- {"zero", "zero motion estimation (fastest)", 0, FF_OPT_TYPE_CONST, ME_ZERO, INT_MIN, INT_MAX, V|E, "me_method" },
- {"full", "full motion estimation (slowest)", 0, FF_OPT_TYPE_CONST, ME_FULL, INT_MIN, INT_MAX, V|E, "me_method" },
- {"epzs", "EPZS motion estimation (default)", 0, FF_OPT_TYPE_CONST, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method" },
- {"esa", "esa motion estimation (alias for full)", 0, FF_OPT_TYPE_CONST, ME_FULL, INT_MIN, INT_MAX, V|E, "me_method" },
- {"tesa", "tesa motion estimation", 0, FF_OPT_TYPE_CONST, ME_TESA, INT_MIN, INT_MAX, V|E, "me_method" },
- {"dia", "dia motion estimation (alias for epzs)", 0, FF_OPT_TYPE_CONST, ME_EPZS, INT_MIN, INT_MAX, V|E, "me_method" },
- {"log", "log motion estimation", 0, FF_OPT_TYPE_CONST, ME_LOG, INT_MIN, INT_MAX, V|E, "me_method" },
- {"phods", "phods motion estimation", 0, FF_OPT_TYPE_CONST, ME_PHODS, INT_MIN, INT_MAX, V|E, "me_method" },
- {"x1", "X1 motion estimation", 0, FF_OPT_TYPE_CONST, ME_X1, INT_MIN, INT_MAX, V|E, "me_method" },
- {"hex", "hex motion estimation", 0, FF_OPT_TYPE_CONST, ME_HEX, INT_MIN, INT_MAX, V|E, "me_method" },
- {"umh", "umh motion estimation", 0, FF_OPT_TYPE_CONST, ME_UMH, INT_MIN, INT_MAX, V|E, "me_method" },
- {"iter", "iter motion estimation", 0, FF_OPT_TYPE_CONST, ME_ITER, INT_MIN, INT_MAX, V|E, "me_method" },
- {"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, DEFAULT, INT_MIN, INT_MAX},
- {"g", "set the group of picture size", OFFSET(gop_size), FF_OPT_TYPE_INT, 12, INT_MIN, INT_MAX, V|E},
- {"rate_emu", "frame rate emulation", OFFSET(rate_emu), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"ac", "set number of audio channels", OFFSET(channels), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"cutoff", "set cutoff bandwidth", OFFSET(cutoff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
- {"frame_size", NULL, OFFSET(frame_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
- {"frame_number", NULL, OFFSET(frame_number), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"real_pict_num", NULL, OFFSET(real_pict_num), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"delay", NULL, OFFSET(delay), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"qcomp", "video quantizer scale compression (VBR)", OFFSET(qcompress), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, FLT_MAX, V|E},
- {"qblur", "video quantizer scale blur (VBR)", OFFSET(qblur), FF_OPT_TYPE_FLOAT, 0.5, FLT_MIN, FLT_MAX, V|E},
- {"qmin", "min video quantizer scale (VBR)", OFFSET(qmin), FF_OPT_TYPE_INT, 2, 1, 51, V|E},
- {"qmax", "max video quantizer scale (VBR)", OFFSET(qmax), FF_OPT_TYPE_INT, 31, 1, 51, V|E},
- {"qdiff", "max difference between the quantizer scale (VBR)", OFFSET(max_qdiff), FF_OPT_TYPE_INT, 3, INT_MIN, INT_MAX, V|E},
- {"bf", "use 'frames' B frames", OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, 0, FF_MAX_B_FRAMES, V|E},
- {"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},
- {"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"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},
- {"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
- #if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
- {"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- #endif
- {"ps", "rtp payload size in bits", OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"i_tex_bits", NULL, OFFSET(i_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"p_tex_bits", NULL, OFFSET(p_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"i_count", NULL, OFFSET(i_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"p_count", NULL, OFFSET(p_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"skip_count", NULL, OFFSET(skip_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"misc_bits", NULL, OFFSET(misc_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"frame_bits", NULL, OFFSET(frame_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"codec_tag", NULL, OFFSET(codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"bug", "workaround not auto detected encoder bugs", OFFSET(workaround_bugs), FF_OPT_TYPE_FLAGS, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
- {"autodetect", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
- {"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"},
- {"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"},
- {"ump4", "(autodetected if fourcc==UMP4)", 0, FF_OPT_TYPE_CONST, FF_BUG_UMP4, INT_MIN, INT_MAX, V|D, "bug"},
- {"no_padding", "padding bug (autodetected)", 0, FF_OPT_TYPE_CONST, FF_BUG_NO_PADDING, INT_MIN, INT_MAX, V|D, "bug"},
- {"amv", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AMV, INT_MIN, INT_MAX, V|D, "bug"},
- {"ac_vlc", "illegal vlc bug (autodetected per fourcc)", 0, FF_OPT_TYPE_CONST, FF_BUG_AC_VLC, INT_MIN, INT_MAX, V|D, "bug"},
- {"qpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
- {"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"},
- {"qpel_chroma2", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA2, INT_MIN, INT_MAX, V|D, "bug"},
- {"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"},
- {"edge", "edge padding bug (autodetected per fourcc/version)", 0, FF_OPT_TYPE_CONST, FF_BUG_EDGE, INT_MIN, INT_MAX, V|D, "bug"},
- {"hpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_HPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
- {"dc_clip", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DC_CLIP, INT_MIN, INT_MAX, V|D, "bug"},
- {"ms", "workaround various bugs in microsofts broken decoders", 0, FF_OPT_TYPE_CONST, FF_BUG_MS, INT_MIN, INT_MAX, V|D, "bug"},
- {"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},
- {"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},
- {"strict", "how strictly to follow the standards", OFFSET(strict_std_compliance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|V|D, "strict"},
- {"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"},
- {"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"},
- {"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|E, "strict"},
- {"inofficial", "allow inofficial extensions", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|E, "strict"},
- {"experimental", "allow non standardized experimental things", 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|E, "strict"},
- {"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},
- {"er", "set error resilience strategy", OFFSET(error_resilience), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, A|V|D, "er"},
- {"careful", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
- {"compliant", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_COMPLIANT, INT_MIN, INT_MAX, V|D, "er"},
- {"aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
- {"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_VERY_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
- {"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"stats_out", NULL, OFFSET(stats_out), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
- {"stats_in", NULL, OFFSET(stats_in), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
- {"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},
- {"rc_qmod_amp", "experimental quantizer modulation", OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
- {"rc_qmod_freq", "experimental quantizer modulation", OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"rc_override_count", NULL, OFFSET(rc_override_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"rc_eq", "set rate control equation", OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
- {"maxrate", "set max video bitrate tolerance (in bits/s)", OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"minrate", "set min video bitrate tolerance (in bits/s)", OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"bufsize", "set ratecontrol buffer size (in bits)", OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|V|E},
- {"rc_buf_aggressivity", "currently useless", OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, 1.0, FLT_MIN, FLT_MAX, V|E},
- {"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},
- {"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},
- {"rc_init_cplx", "initial complexity for 1-pass encoding", OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
- {"dct", "DCT algorithm", OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
- {"auto", "autoselect a good one (default)", 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
- {"fastint", "fast integer", 0, FF_OPT_TYPE_CONST, FF_DCT_FASTINT, INT_MIN, INT_MAX, V|E, "dct"},
- {"int", "accurate integer", 0, FF_OPT_TYPE_CONST, FF_DCT_INT, INT_MIN, INT_MAX, V|E, "dct"},
- {"mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MMX, INT_MIN, INT_MAX, V|E, "dct"},
- {"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MLIB, INT_MIN, INT_MAX, V|E, "dct"},
- {"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_ALTIVEC, INT_MIN, INT_MAX, V|E, "dct"},
- {"faan", "floating point AAN DCT", 0, FF_OPT_TYPE_CONST, FF_DCT_FAAN, INT_MIN, INT_MAX, V|E, "dct"},
- {"lumi_mask", "compresses bright areas stronger than medium ones", OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
- {"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
- {"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
- {"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
- {"dark_mask", "compresses dark areas stronger than medium ones", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, -FLT_MAX, FLT_MAX, V|E},
- {"unused", NULL, OFFSET(unused), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"idct", "select IDCT implementation", OFFSET(idct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E|D, "idct"},
- {"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_AUTO, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"int", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_INT, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLE, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"simplemmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"libmpeg2mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_LIBMPEG2MMX, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"ps2", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_PS2, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_MLIB, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"arm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ARM, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ALTIVEC, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"sh4", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SH4, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"simplearm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARM, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"simplearmv5te", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARMV5TE, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"h264", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_H264, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"vp3", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_VP3, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"ipp", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_IPP, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_XVIDMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
- {"faani", "floating point AAN IDCT", 0, FF_OPT_TYPE_CONST, FF_IDCT_FAAN, INT_MIN, INT_MAX, V|D|E, "idct"},
- {"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"ec", "set error concealment strategy", OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
- {"guess_mvs", "iterative motion vector (MV) search (slow)", 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
- {"deblock", "use strong deblock filter for damaged MBs", 0, FF_OPT_TYPE_CONST, FF_EC_DEBLOCK, INT_MIN, INT_MAX, V|D, "ec"},
- {"bits_per_sample", NULL, OFFSET(bits_per_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"pred", "prediction method", OFFSET(prediction_method), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "pred"},
- {"left", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_LEFT, INT_MIN, INT_MAX, V|E, "pred"},
- {"plane", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_PLANE, INT_MIN, INT_MAX, V|E, "pred"},
- {"median", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_MEDIAN, INT_MIN, INT_MAX, V|E, "pred"},
- {"aspect", "sample aspect ratio", OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, DEFAULT, 0, 10, V|E},
- {"debug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, DEFAULT, 0, INT_MAX, V|A|S|E|D, "debug"},
- {"pict", "picture info", 0, FF_OPT_TYPE_CONST, FF_DEBUG_PICT_INFO, INT_MIN, INT_MAX, V|D, "debug"},
- {"rc", "rate control", 0, FF_OPT_TYPE_CONST, FF_DEBUG_RC, INT_MIN, INT_MAX, V|E, "debug"},
- {"bitstream", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BITSTREAM, INT_MIN, INT_MAX, V|D, "debug"},
- {"mb_type", "macroblock (MB) type", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
- {"qp", "per-block quantization parameter (QP)", 0, FF_OPT_TYPE_CONST, FF_DEBUG_QP, INT_MIN, INT_MAX, V|D, "debug"},
- {"mv", "motion vector", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MV, INT_MIN, INT_MAX, V|D, "debug"},
- {"dct_coeff", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_DCT_COEFF, INT_MIN, INT_MAX, V|D, "debug"},
- {"skip", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_SKIP, INT_MIN, INT_MAX, V|D, "debug"},
- {"startcode", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_STARTCODE, INT_MIN, INT_MAX, V|D, "debug"},
- {"pts", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PTS, INT_MIN, INT_MAX, V|D, "debug"},
- {"er", "error resilience", 0, FF_OPT_TYPE_CONST, FF_DEBUG_ER, INT_MIN, INT_MAX, V|D, "debug"},
- {"mmco", "memory management control operations (H.264)", 0, FF_OPT_TYPE_CONST, FF_DEBUG_MMCO, INT_MIN, INT_MAX, V|D, "debug"},
- {"bugs", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BUGS, INT_MIN, INT_MAX, V|D, "debug"},
- {"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"},
- {"vis_mb_type", "visualize block types", 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
- {"vismv", "visualize motion vectors (MVs)", OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|D, "debug_mv"},
- {"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"},
- {"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"},
- {"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"},
- {"mb_qmin", "obsolete, use qmin", OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"mb_qmax", "obsolete, use qmax", OFFSET(mb_qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"cmp", "full pel me compare function", OFFSET(me_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"subcmp", "sub pel me compare function", OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"mbcmp", "macroblock compare function", OFFSET(mb_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"ildctcmp", "interlaced dct compare function", OFFSET(ildct_cmp), FF_OPT_TYPE_INT, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"dia_size", "diamond type & size for motion estimation", OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"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},
- {"preme", "pre motion estimation", OFFSET(pre_me), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"precmp", "pre motion estimation compare function", OFFSET(me_pre_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"sad", "sum of absolute differences, fast (default)", 0, FF_OPT_TYPE_CONST, FF_CMP_SAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"sse", "sum of squared errors", 0, FF_OPT_TYPE_CONST, FF_CMP_SSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"satd", "sum of absolute Hadamard transformed differences", 0, FF_OPT_TYPE_CONST, FF_CMP_SATD, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"dct", "sum of absolute DCT transformed differences", 0, FF_OPT_TYPE_CONST, FF_CMP_DCT, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"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"},
- {"bit", "number of bits needed for the block", 0, FF_OPT_TYPE_CONST, FF_CMP_BIT, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"rd", "rate distortion optimal, slow", 0, FF_OPT_TYPE_CONST, FF_CMP_RD, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"zero", "0", 0, FF_OPT_TYPE_CONST, FF_CMP_ZERO, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"vsad", "sum of absolute vertical differences", 0, FF_OPT_TYPE_CONST, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"vsse","sum of squared vertical differences", 0, FF_OPT_TYPE_CONST, FF_CMP_VSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"nsse", "noise preserving sum of squared differences", 0, FF_OPT_TYPE_CONST, FF_CMP_NSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
- #ifdef CONFIG_SNOW_ENCODER
- {"w53", "5/3 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, FF_CMP_W53, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"w97", "9/7 wavelet, only used in snow", 0, FF_OPT_TYPE_CONST, FF_CMP_W97, INT_MIN, INT_MAX, V|E, "cmp_func"},
- #endif
- {"dctmax", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_CHROMA, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"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},
- {"subq", "sub pel motion estimation quality", OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
- {"dtg_active_format", NULL, OFFSET(dtg_active_format), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"me_range", "limit motion vectors range (1023 for DivX player)", OFFSET(me_range), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"ibias", "intra quant bias", OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
- {"pbias", "inter quant bias", OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, FF_DEFAULT_QUANT_BIAS, INT_MIN, INT_MAX, V|E},
- {"color_table_id", NULL, OFFSET(color_table_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"internal_buffer_count", NULL, OFFSET(internal_buffer_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"global_quality", NULL, OFFSET(global_quality), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"coder", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "coder"},
- {"vlc", "variable length coder / huffman coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_VLC, INT_MIN, INT_MAX, V|E, "coder"},
- {"ac", "arithmetic coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_AC, INT_MIN, INT_MAX, V|E, "coder"},
- {"raw", "raw (no encoding)", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_RAW, INT_MIN, INT_MAX, V|E, "coder"},
- {"rle", "run-length coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_RLE, INT_MIN, INT_MAX, V|E, "coder"},
- {"deflate", "deflate-based coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_DEFLATE, INT_MIN, INT_MAX, V|E, "coder"},
- {"context", "context model", OFFSET(context_model), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"slice_flags", NULL, OFFSET(slice_flags), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"mbd", "macroblock decision algorithm (high quality mode)", OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "mbd"},
- {"simple", "use mbcmp (default)", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_SIMPLE, INT_MIN, INT_MAX, V|E, "mbd"},
- {"bits", "use fewest bits", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_BITS, INT_MIN, INT_MAX, V|E, "mbd"},
- {"rd", "use best rate distortion", 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_RD, INT_MIN, INT_MAX, V|E, "mbd"},
- {"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"sc_threshold", "scene change threshold", OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"lmin", "min lagrange factor (VBR)", OFFSET(lmin), FF_OPT_TYPE_INT, 2*FF_QP2LAMBDA, 0, INT_MAX, V|E},
- {"lmax", "max lagrange factor (VBR)", OFFSET(lmax), FF_OPT_TYPE_INT, 31*FF_QP2LAMBDA, 0, INT_MAX, V|E},
- {"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"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},
- {"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, CODEC_FLAG2_FASTPSKIP|CODEC_FLAG2_BIT_RESERVOIR, 0, UINT_MAX, V|A|E|D, "flags2"},
- {"error", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"antialias", "MP3 antialias algorithm", OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "aa"},
- {"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_AUTO, INT_MIN, INT_MAX, V|D, "aa"},
- {"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FASTINT, INT_MIN, INT_MAX, V|D, "aa"},
- {"int", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_INT, INT_MIN, INT_MAX, V|D, "aa"},
- {"float", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FLOAT, INT_MIN, INT_MAX, V|D, "aa"},
- {"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"threads", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E|D},
- {"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
- {"mb_threshold", "macroblock threshold", OFFSET(mb_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"dc", "intra_dc_precision", OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
- {"nssew", "nsse weight", OFFSET(nsse_weight), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
- {"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},
- {"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},
- {"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
- {"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
- {"aac_main", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_MAIN, INT_MIN, INT_MAX, A|E, "profile"},
- {"aac_low", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LOW, INT_MIN, INT_MAX, A|E, "profile"},
- {"aac_ssr", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_SSR, INT_MIN, INT_MAX, A|E, "profile"},
- {"aac_ltp", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_AAC_LTP, INT_MIN, INT_MAX, A|E, "profile"},
- {"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
- {"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
- {"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},
- {"skip_threshold", "frame skip threshold", OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"skip_factor", "frame skip factor", OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"skip_exp", "frame skip exponent", OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"skipcmp", "frame skip compare function", OFFSET(frame_skip_cmp), FF_OPT_TYPE_INT, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
- {"border_mask", "increases the quantizer for macroblocks close to borders", OFFSET(border_masking), FF_OPT_TYPE_FLOAT, DEFAULT, -FLT_MAX, FLT_MAX, V|E},
- {"mblmin", "min macroblock lagrange factor (VBR)", OFFSET(mb_lmin), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 2, 1, FF_LAMBDA_MAX, V|E},
- {"mblmax", "max macroblock lagrange factor (VBR)", OFFSET(mb_lmax), FF_OPT_TYPE_INT, FF_QP2LAMBDA * 31, 1, FF_LAMBDA_MAX, V|E},
- {"mepc", "motion estimation bitrate penalty compensation (1.0 = 256)", OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, 256, INT_MIN, INT_MAX, V|E},
- {"bidir_refine", "refine the two motion vectors used in bidirectional macroblocks", OFFSET(bidir_refine), FF_OPT_TYPE_INT, DEFAULT, 0, 4, V|E},
- {"brd_scale", "downscales frames for dynamic B-frame decision", OFFSET(brd_scale), FF_OPT_TYPE_INT, DEFAULT, 0, 10, V|E},
- {"crf", "enables constant quality mode, and selects the quality (x264)", OFFSET(crf), FF_OPT_TYPE_FLOAT, DEFAULT, 0, 51, V|E},
- {"cqp", "constant quantization parameter rate control method", OFFSET(cqp), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, V|E},
- {"keyint_min", "minimum interval between IDR-frames (x264)", OFFSET(keyint_min), FF_OPT_TYPE_INT, 25, INT_MIN, INT_MAX, V|E},
- {"refs", "reference frames to consider for motion compensation (Snow)", OFFSET(refs), FF_OPT_TYPE_INT, 1, INT_MIN, INT_MAX, V|E},
- {"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"bframebias", "influences how often B-frames are used", OFFSET(bframebias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
- {"trellis", "rate-distortion optimal quantization", OFFSET(trellis), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
- {"directpred", "direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal)", OFFSET(directpred), FF_OPT_TYPE_INT, 2, INT_MIN, INT_MAX, V|E},
- {"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"},
- {"wpred", "weighted biprediction for b-frames (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_WPRED, INT_MIN, INT_MAX, V|E, "flags2"},
- {"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"},
- {"dct8x8", "high profile 8x8 transform (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_8X8DCT, INT_MIN, INT_MAX, V|E, "flags2"},
- {"fastpskip", "fast pskip (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|E, "flags2"},
- {"aud", "access unit delimiters (H.264)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_AUD, INT_MIN, INT_MAX, V|E, "flags2"},
- {"brdo", "b-frame rate-distortion optimization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BRDO, INT_MIN, INT_MAX, V|E, "flags2"},
- {"skiprd", "RD optimal MB level residual skipping", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_SKIP_RD, INT_MIN, INT_MAX, V|E, "flags2"},
- {"complexityblur", "reduce fluctuations in qp (before curve compression)", OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, 20.0, FLT_MIN, FLT_MAX, V|E},
- {"deblockalpha", "in-loop deblocking filter alphac0 parameter", OFFSET(deblockalpha), FF_OPT_TYPE_INT, DEFAULT, -6, 6, V|E},
- {"deblockbeta", "in-loop deblocking filter beta parameter", OFFSET(deblockbeta), FF_OPT_TYPE_INT, DEFAULT, -6, 6, V|E},
- {"partitions", "macroblock subpartition sizes to consider", OFFSET(partitions), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|E, "partitions"},
- {"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I4X4, INT_MIN, INT_MAX, V|E, "partitions"},
- {"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I8X8, INT_MIN, INT_MAX, V|E, "partitions"},
- {"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P4X4, INT_MIN, INT_MAX, V|E, "partitions"},
- {"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P8X8, INT_MIN, INT_MAX, V|E, "partitions"},
- {"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_B8X8, INT_MIN, INT_MAX, V|E, "partitions"},
- {"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},
- {"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, 256, 0, INT_MAX, V|E},
- {"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_INTRA_VLC, INT_MIN, INT_MAX, V|E, "flags2"},
- {"b_sensitivity", "adjusts sensitivity of b_frame_strategy 1", OFFSET(b_sensitivity), FF_OPT_TYPE_INT, 40, 1, INT_MAX, V|E},
- {"compression_level", NULL, OFFSET(compression_level), FF_OPT_TYPE_INT, FF_COMPRESSION_DEFAULT, INT_MIN, INT_MAX, V|A|E},
- {"use_lpc", "sets whether to use LPC mode (FLAC)", OFFSET(use_lpc), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
- {"lpc_coeff_precision", "LPC coefficient precision (FLAC)", OFFSET(lpc_coeff_precision), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|E},
- {"min_prediction_order", NULL, OFFSET(min_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
- {"max_prediction_order", NULL, OFFSET(max_prediction_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
- {"prediction_order_method", "search method for selecting prediction order", OFFSET(prediction_order_method), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
- {"min_partition_order", NULL, OFFSET(min_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
- {"max_partition_order", NULL, OFFSET(max_partition_order), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
- {"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},
- {"drop_frame_timecode", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_DROP_FRAME_TIMECODE, INT_MIN, INT_MAX, V|E, "flags2"},
- {"non_linear_q", "use non linear quantizer", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NON_LINEAR_QUANT, INT_MIN, INT_MAX, V|E, "flags2"},
- {"request_channels", "set desired number of audio channels", OFFSET(request_channels), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, A|D},
- {"drc_scale", "percentage of dynamic range compression to apply", OFFSET(drc_scale), FF_OPT_TYPE_FLOAT, 1.0, 0.0, 1.0, A|D},
- {"reservoir", "use bit reservoir", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BIT_RESERVOIR, INT_MIN, INT_MAX, A|E, "flags2"},
- {NULL},
- };
- #undef A
- #undef V
- #undef S
- #undef E
- #undef D
- #undef DEFAULT
- static const AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
- void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType codec_type){
- int flags=0;
- AVRational av01 ={0,1};
- memset(s, 0, sizeof(AVCodecContext));
- s->av_class= &av_codec_context_class;
- s->codec_type = codec_type;
- if(codec_type == CODEC_TYPE_AUDIO)
- flags= AV_OPT_FLAG_AUDIO_PARAM;
- else if(codec_type == CODEC_TYPE_VIDEO)
- flags= AV_OPT_FLAG_VIDEO_PARAM;
- else if(codec_type == CODEC_TYPE_SUBTITLE)
- flags= AV_OPT_FLAG_SUBTITLE_PARAM;
- av_opt_set_defaults2(s, flags, flags);
- s->rc_eq= "tex^qComp";
- s->time_base= av01;
- s->get_buffer= avcodec_default_get_buffer;
- s->release_buffer= avcodec_default_release_buffer;
- s->get_format= avcodec_default_get_format;
- s->execute= avcodec_default_execute;
- s->sample_aspect_ratio= av01;
- s->pix_fmt= PIX_FMT_NONE;
- s->sample_fmt= SAMPLE_FMT_S16; // FIXME: set to NONE
- s->palctrl = NULL;
- s->reget_buffer= avcodec_default_reget_buffer;
- }
- AVCodecContext *avcodec_alloc_context2(enum CodecType codec_type){
- AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
- if(avctx==NULL) return NULL;
- avcodec_get_context_defaults2(avctx, codec_type);
- return avctx;
- }
- void avcodec_get_context_defaults(AVCodecContext *s){
- avcodec_get_context_defaults2(s, CODEC_TYPE_UNKNOWN);
- }
- AVCodecContext *avcodec_alloc_context(void){
- return avcodec_alloc_context2(CODEC_TYPE_UNKNOWN);
- }
- void avcodec_get_frame_defaults(AVFrame *pic){
- memset(pic, 0, sizeof(AVFrame));
- pic->pts= AV_NOPTS_VALUE;
- pic->key_frame= 1;
- }
- int64_t ff_gcd(int64_t a, int64_t b){
- if(b) return ff_gcd(b, a%b);
- else return a;
- }
- AVFrame *avcodec_alloc_frame(void){
- AVFrame *pic= av_malloc(sizeof(AVFrame));
- if(pic==NULL) return NULL;
- avcodec_get_frame_defaults(pic);
- return pic;
- }
- int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
- {
- int ret= -1;
- entangled_thread_counter++;
- if(entangled_thread_counter != 1){
- av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()n");
- goto end;
- }
- if(avctx->codec || !codec)
- goto end;
- if (codec->priv_data_size > 0) {
- avctx->priv_data = av_mallocz(codec->priv_data_size);
- if (!avctx->priv_data) {
- ret = AVERROR(ENOMEM);
- goto end;
- }
- } else {
- avctx->priv_data = NULL;
- }
- if(avctx->coded_width && avctx->coded_height)
- avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
- else if(avctx->width && avctx->height)
- avcodec_set_dimensions(avctx, avctx->width, avctx->height);
- if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
- av_freep(&avctx->priv_data);
- ret = AVERROR(EINVAL);
- goto end;
- }
- avctx->codec = codec;
- avctx->codec_id = codec->id;
- avctx->frame_number = 0;
- avctx->thread_count =1;
- if(avctx->codec->init){
- ret = avctx->codec->init(avctx);
- if (ret < 0) {
- av_freep(&avctx->priv_data);
- avctx->codec= NULL;
- goto end;
- }
- }
- ret=0;
- end:
- entangled_thread_counter--;
- return ret;
- }
- int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const short *samples)
- {
- if(buf_size < FF_MIN_BUFFER_SIZE && 0){
- av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum sizen");
- return -1;
- }
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
- int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)samples);
- avctx->frame_number++;
- return ret;
- }else
- return 0;
- }
- int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const AVFrame *pict)
- {
- if(buf_size < FF_MIN_BUFFER_SIZE){
- av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum sizen");
- return -1;
- }
- if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
- return -1;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
- int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict);
- avctx->frame_number++;
- emms_c(); //needed to avoid an emms_c() call before every return;
- return ret;
- }else
- return 0;
- }
- int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const AVSubtitle *sub)
- {
- int ret;
- ret = avctx->codec->encode(avctx, buf, buf_size, (void *)sub);
- avctx->frame_number++;
- return ret;
- }
- int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
- int *got_picture_ptr,
- const uint8_t *buf, int buf_size)
- {
- int ret;
- *got_picture_ptr= 0;
- if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
- return -1;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
- ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
- buf, buf_size);
- emms_c(); //needed to avoid an emms_c() call before every return;
- if (*got_picture_ptr)
- avctx->frame_number++;
- }else
- ret= 0;
- return ret;
- }
- int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
- int *frame_size_ptr,
- const uint8_t *buf, int buf_size)
- {
- int ret;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
- //FIXME remove the check below _after_ ensuring that all audio check that the available space is enough
- if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){
- av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZEn");
- return -1;
- }
- if(*frame_size_ptr < FF_MIN_BUFFER_SIZE ||
- *frame_size_ptr < avctx->channels * avctx->frame_size * sizeof(int16_t)){
- av_log(avctx, AV_LOG_ERROR, "buffer %d too smalln", *frame_size_ptr);
- return -1;
- }
- ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
- buf, buf_size);
- avctx->frame_number++;
- }else{
- ret= 0;
- *frame_size_ptr=0;
- }
- return ret;
- }
- #if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
- int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
- int *frame_size_ptr,
- const uint8_t *buf, int buf_size){
- *frame_size_ptr= AVCODEC_MAX_AUDIO_FRAME_SIZE;
- return avcodec_decode_audio2(avctx, samples, frame_size_ptr, buf, buf_size);
- }
- #endif
- int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
- int *got_sub_ptr,
- const uint8_t *buf, int buf_size)
- {
- int ret;
- *got_sub_ptr = 0;
- ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
- buf, buf_size);
- if (*got_sub_ptr)
- avctx->frame_number++;
- return ret;
- }
- int avcodec_close(AVCodecContext *avctx)
- {
- entangled_thread_counter++;
- if(entangled_thread_counter != 1){
- av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()n");
- entangled_thread_counter--;
- return -1;
- }
- // if (ENABLE_THREADS && avctx->thread_opaque)
- // avcodec_thread_free(avctx);
- if (avctx->codec->close)
- avctx->codec->close(avctx);
- avcodec_default_free_buffers(avctx);
- av_freep(&avctx->priv_data);
- avctx->codec = NULL;
- entangled_thread_counter--;
- return 0;
- }
- AVCodec *avcodec_find_encoder(enum CodecID id)
- {
- AVCodec *p;
- p = first_avcodec;
- while (p) {
- if (p->encode != NULL && p->id == id)
- return p;
- p = p->next;
- }
- return NULL;
- }
- AVCodec *avcodec_find_encoder_by_name(const char *name)
- {
- AVCodec *p;
- p = first_avcodec;
- while (p) {
- if (p->encode != NULL && strcmp(name,p->name) == 0)
- return p;
- p = p->next;
- }
- return NULL;
- }
- AVCodec *avcodec_find_decoder(enum CodecID id)
- {
- AVCodec *p;
- p = first_avcodec;
- while (p) {
- if (p->decode != NULL && p->id == id)
- return p;
- p = p->next;
- }
- return NULL;
- }
- AVCodec *avcodec_find_decoder_by_name(const char *name)
- {
- AVCodec *p;
- p = first_avcodec;
- while (p) {
- if (p->decode != NULL && strcmp(name,p->name) == 0)
- return p;
- p = p->next;
- }
- return NULL;
- }
- void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
- {
- const char *codec_name;
- AVCodec *p;
- char buf1[32];
- char channels_str[100];
- int bitrate;
- AVRational display_aspect_ratio;
- if (encode)
- p = avcodec_find_encoder(enc->codec_id);
- else
- p = avcodec_find_decoder(enc->codec_id);
- if (p) {
- codec_name = p->name;
- if (!encode && enc->codec_id == CODEC_ID_MP3) {
- if (enc->sub_id == 2)
- codec_name = "mp2";
- else if (enc->sub_id == 1)
- codec_name = "mp1";
- }
- } else if (enc->codec_id == CODEC_ID_MPEG2TS) {
- /* fake mpeg2 transport stream codec (currently not
- registered) */
- codec_name = "mpeg2ts";
- } else if (enc->codec_name[0] != ' ') {
- codec_name = enc->codec_name;
- } else {
- /* output avi tags */
- if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF)
- && isprint((enc->codec_tag>>16)&0xFF) && isprint((enc->codec_tag>>24)&0xFF)){
- snprintf(buf1, sizeof(buf1), "%c%c%c%c / 0x%04X",
- enc->codec_tag & 0xff,
- (enc->codec_tag >> 8) & 0xff,
- (enc->codec_tag >> 16) & 0xff,
- (enc->codec_tag >> 24) & 0xff,
- enc->codec_tag);
- } else {
- snprintf(buf1, sizeof(buf1), "0x%04x", enc->codec_tag);
- }
- codec_name = buf1;
- }
- switch(enc->codec_type) {
- case CODEC_TYPE_VIDEO:
- snprintf(buf, buf_size,
- "Video: %s%s",
- codec_name, enc->mb_decision ? " (hq)" : "");
- if (enc->pix_fmt != PIX_FMT_NONE) {
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %s",
- avcodec_get_pix_fmt_name(enc->pix_fmt));
- }
- if (enc->width) {
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %dx%d",
- enc->width, enc->height);
- if (enc->sample_aspect_ratio.num) {
- av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
- enc->width*enc->sample_aspect_ratio.num,
- enc->height*enc->sample_aspect_ratio.den,
- 1024*1024);
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- " [PAR %d:%d DAR %d:%d]",
- enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
- display_aspect_ratio.num, display_aspect_ratio.den);
- }
- if(av_log_get_level() >= AV_LOG_DEBUG){
- int g= ff_gcd(enc->time_base.num, enc->time_base.den);
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %d/%d",
- enc->time_base.num/g, enc->time_base.den/g);
- }
- }
- if (encode) {
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", q=%d-%d", enc->qmin, enc->qmax);
- }
- bitrate = enc->bit_rate;
- break;
- case CODEC_TYPE_AUDIO:
- snprintf(buf, buf_size,
- "Audio: %s",
- codec_name);
- switch (enc->channels) {
- case 1:
- strcpy(channels_str, "mono");
- break;
- case 2:
- strcpy(channels_str, "stereo");
- break;
- case 6:
- strcpy(channels_str, "5:1");
- break;
- default:
- snprintf(channels_str, sizeof(channels_str), "%d channels", enc->channels);
- break;
- }
- if (enc->sample_rate) {
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %d Hz, %s",
- enc->sample_rate,
- channels_str);
- }
- /* for PCM codecs, compute bitrate directly */
- switch(enc->codec_id) {
- case CODEC_ID_PCM_S32LE:
- case CODEC_ID_PCM_S32BE:
- case CODEC_ID_PCM_U32LE:
- case CODEC_ID_PCM_U32BE:
- bitrate = enc->sample_rate * enc->channels * 32;
- break;
- case CODEC_ID_PCM_S24LE:
- case CODEC_ID_PCM_S24BE:
- case CODEC_ID_PCM_U24LE:
- case CODEC_ID_PCM_U24BE:
- case CODEC_ID_PCM_S24DAUD:
- bitrate = enc->sample_rate * enc->channels * 24;
- break;
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16BE:
- case CODEC_ID_PCM_S16LE_PLANAR:
- case CODEC_ID_PCM_U16LE:
- case CODEC_ID_PCM_U16BE:
- bitrate = enc->sample_rate * enc->channels * 16;
- break;
- case CODEC_ID_PCM_S8:
- case CODEC_ID_PCM_U8:
- case CODEC_ID_PCM_ALAW:
- case CODEC_ID_PCM_MULAW:
- bitrate = enc->sample_rate * enc->channels * 8;
- break;
- default:
- bitrate = enc->bit_rate;
- break;
- }
- break;
- case CODEC_TYPE_DATA:
- snprintf(buf, buf_size, "Data: %s", codec_name);
- bitrate = enc->bit_rate;
- break;
- case CODEC_TYPE_SUBTITLE:
- snprintf(buf, buf_size, "Subtitle: %s", codec_name);
- bitrate = enc->bit_rate;
- break;
- case CODEC_TYPE_ATTACHMENT:
- snprintf(buf, buf_size, "Attachment: %s", codec_name);
- bitrate = enc->bit_rate;
- break;
- default:
- snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
- return;
- }
- if (encode) {
- if (enc->flags & CODEC_FLAG_PASS1)
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", pass 1");
- if (enc->flags & CODEC_FLAG_PASS2)
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", pass 2");
- }
- if (bitrate != 0) {
- snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %d kb/s", bitrate / 1000);
- }
- }
- unsigned avcodec_version( void )
- {
- return LIBAVCODEC_VERSION_INT;
- }
- unsigned avcodec_build( void )
- {
- return LIBAVCODEC_BUILD;
- }
- void avcodec_init(void)
- {
- static int initialized = 0;
- if (initialized != 0)
- return;
- initialized = 1;
- dsputil_static_init();
- }
- void avcodec_flush_buffers(AVCodecContext *avctx)
- {
- if(avctx->codec->flush)
- avctx->codec->flush(avctx);
- }
- void avcodec_default_free_buffers(AVCodecContext *s){
- int i, j;
- if(s->internal_buffer==NULL) return;
- for(i=0; i<INTERNAL_BUFFER_SIZE; i++){
- InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];
- for(j=0; j<4; j++){
- av_freep(&buf->base[j]);
- buf->data[j]= NULL;
- }
- }
- av_freep(&s->internal_buffer);
- s->internal_buffer_count=0;
- }
- char av_get_pict_type_char(int pict_type){
- switch(pict_type){
- case FF_I_TYPE: return 'I';
- case FF_P_TYPE: return 'P';
- case FF_B_TYPE: return 'B';
- case FF_S_TYPE: return 'S';
- case FF_SI_TYPE:return 'i';
- case FF_SP_TYPE:return 'p';
- case FF_BI_TYPE:return 'b';
- default: return '?';
- }
- }
- int av_get_bits_per_sample(enum CodecID codec_id){
- switch(codec_id){
- case CODEC_ID_ADPCM_SBPRO_2:
- return 2;
- case CODEC_ID_ADPCM_SBPRO_3:
- return 3;
- case CODEC_ID_ADPCM_SBPRO_4:
- case CODEC_ID_ADPCM_CT:
- return 4;
- case CODEC_ID_PCM_ALAW:
- case CODEC_ID_PCM_MULAW:
- case CODEC_ID_PCM_S8:
- case CODEC_ID_PCM_U8:
- return 8;
- case CODEC_ID_PCM_S16BE:
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16LE_PLANAR:
- case CODEC_ID_PCM_U16BE:
- case CODEC_ID_PCM_U16LE:
- return 16;
- case CODEC_ID_PCM_S24DAUD:
- case CODEC_ID_PCM_S24BE:
- case CODEC_ID_PCM_S24LE:
- case CODEC_ID_PCM_U24BE:
- case CODEC_ID_PCM_U24LE:
- return 24;
- case CODEC_ID_PCM_S32BE:
- case CODEC_ID_PCM_S32LE:
- case CODEC_ID_PCM_U32BE:
- case CODEC_ID_PCM_U32LE:
- return 32;
- default:
- return 0;
- }
- }
- int av_get_bits_per_sample_format(enum SampleFormat sample_fmt) {
- switch (sample_fmt) {
- case SAMPLE_FMT_U8:
- return 8;
- case SAMPLE_FMT_S16:
- return 16;
- case SAMPLE_FMT_S24:
- return 24;
- case SAMPLE_FMT_S32:
- case SAMPLE_FMT_FLT:
- return 32;
- default:
- return 0;
- }
- }
- #if !defined(HAVE_THREADS)
- int avcodec_thread_init(AVCodecContext *s, int thread_count){
- return -1;
- }
- #endif
- unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
- {
- unsigned int n = 0;
- while(v >= 0xff) {
- *s++ = 0xff;
- v -= 0xff;
- n++;
- }
- *s = v;
- n++;
- return n;
- }
- /* Wrapper to work around the lack of mkstemp() on mingw/cygin.
- * Also, tries to create file in /tmp first, if possible.
- * *prefix can be a character constant; *filename will be allocated internally.
- * Returns file descriptor of opened file (or -1 on error)
- * and opened file name in **filename. */
- int av_tempfile(char *prefix, char **filename) {
- int fd=-1;
- #if !defined(HAVE_MKSTEMP)
- *filename = tempnam(".", prefix);
- #else
- size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX " */
- *filename = av_malloc(len);
- #endif
- /* -----common section-----*/
- if (*filename == NULL) {
- av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file namen");
- return -1;
- }
- #if !defined(HAVE_MKSTEMP)
- fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
- #else
- snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
- fd = mkstemp(*filename);
- if (fd < 0) {
- snprintf(*filename, len, "./%sXXXXXX", prefix);
- fd = mkstemp(*filename);
- }
- #endif
- /* -----common section-----*/
- if (fd < 0) {
- av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %sn", *filename);
- return -1;
- }
- return fd; /* success */
- }
- typedef struct {
- const char *abbr;
- int width, height;
- } VideoFrameSizeAbbr;
- typedef struct {
- const char *abbr;
- int rate_num, rate_den;
- } VideoFrameRateAbbr;
- static VideoFrameSizeAbbr video_frame_size_abbrs[] = {
- { "ntsc", 720, 480 },
- { "pal", 720, 576 },
- { "qntsc", 352, 240 }, /* VCD compliant NTSC */
- { "qpal", 352, 288 }, /* VCD compliant PAL */
- { "sntsc", 640, 480 }, /* square pixel NTSC */
- { "spal", 768, 576 }, /* square pixel PAL */
- { "film", 352, 240 },
- { "ntsc-film", 352, 240 },
- { "sqcif", 128, 96 },
- { "qcif", 176, 144 },
- { "cif", 352, 288 },
- { "4cif", 704, 576 },
- { "qqvga", 160, 120 },
- { "qvga", 320, 240 },
- { "vga", 640, 480 },
- { "svga", 800, 600 },
- { "xga", 1024, 768 },
- { "uxga", 1600,1200 },
- { "qxga", 2048,1536 },
- { "sxga", 1280,1024 },
- { "qsxga", 2560,2048 },
- { "hsxga", 5120,4096 },
- { "wvga", 852, 480 },
- { "wxga", 1366, 768 },
- { "wsxga", 1600,1024 },
- { "wuxga", 1920,1200 },
- { "woxga", 2560,1600 },
- { "wqsxga", 3200,2048 },
- { "wquxga", 3840,2400 },
- { "whsxga", 6400,4096 },
- { "whuxga", 7680,4800 },
- { "cga", 320, 200 },
- { "ega", 640, 350 },
- { "hd480", 852, 480 },
- { "hd720", 1280, 720 },
- { "hd1080", 1920,1080 },
- };
- static VideoFrameRateAbbr video_frame_rate_abbrs[]= {
- { "ntsc", 30000, 1001 },
- { "pal", 25, 1 },
- { "qntsc", 30000, 1001 }, /* VCD compliant NTSC */
- { "qpal", 25, 1 }, /* VCD compliant PAL */
- { "sntsc", 30000, 1001 }, /* square pixel NTSC */
- { "spal", 25, 1 }, /* square pixel PAL */
- { "film", 24, 1 },
- { "ntsc-film", 24000, 1001 },
- };
- int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str)
- {
- int i;
- int n = sizeof(video_frame_size_abbrs) / sizeof(VideoFrameSizeAbbr);
- const char *p;
- int frame_width = 0, frame_height = 0;
- for(i=0;i<n;i++) {
- if (!strcmp(video_frame_size_abbrs[i].abbr, str)) {
- frame_width = video_frame_size_abbrs[i].width;
- frame_height = video_frame_size_abbrs[i].height;
- break;
- }
- }
- if (i == n) {
- p = str;
- frame_width = strtol(p, (char **)&p, 10);
- if (*p)
- p++;
- frame_height = strtol(p, (char **)&p, 10);
- }
- if (frame_width <= 0 || frame_height <= 0)
- return -1;
- *width_ptr = frame_width;
- *height_ptr = frame_height;
- return 0;
- }
- int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg)
- {
- int i;
- int n = sizeof(video_frame_rate_abbrs) / sizeof(VideoFrameRateAbbr);
- char* cp;
- /* First, we check our abbreviation table */
- for (i = 0; i < n; ++i)
- if (!strcmp(video_frame_rate_abbrs[i].abbr, arg)) {
- frame_rate->num = video_frame_rate_abbrs[i].rate_num;
- frame_rate->den = video_frame_rate_abbrs[i].rate_den;
- return 0;
- }
- /* Then, we try to parse it as fraction */
- cp = strchr(arg, '/');
- if (!cp)
- cp = strchr(arg, ':');
- if (cp) {
- char* cpp;
- frame_rate->num = strtol(arg, &cpp, 10);
- if (cpp != arg || cpp == cp)
- frame_rate->den = strtol(cp+1, &cpp, 10);
- else
- frame_rate->num = 0;
- }
- else {
- /* Finally we give up and parse it as double */
- AVRational time_base = av_d2q(strtod(arg, 0), DEFAULT_FRAME_RATE_BASE);
- frame_rate->den = time_base.den;
- frame_rate->num = time_base.num;
- }
- if (!frame_rate->num || !frame_rate->den)
- return -1;
- else
- return 0;
- }