[Ffmpeg-cvslog] r5781 - in trunk: libavcodec/avcodec.h libavcodec/utils.c libavutil/Makefile libavutil/avutil.h libavutil/log.c libavutil/log.h

lucabe subversion
Tue Jul 18 13:00:56 CEST 2006


Author: lucabe
Date: Tue Jul 18 13:00:55 2006
New Revision: 5781

Added:
   trunk/libavutil/log.c
      - copied, changed from r5780, /trunk/libavcodec/utils.c
   trunk/libavutil/log.h
Modified:
   trunk/libavcodec/avcodec.h
   trunk/libavcodec/utils.c
   trunk/libavutil/Makefile
   trunk/libavutil/avutil.h

Log:
Move av_log() & friends to libavutil


Modified: trunk/libavcodec/avcodec.h
==============================================================================
--- trunk/libavcodec/avcodec.h	(original)
+++ trunk/libavcodec/avcodec.h	Tue Jul 18 13:00:55 2006
@@ -661,19 +661,6 @@
 #define DEFAULT_FRAME_RATE_BASE 1001000
 
 /**
- * Used by av_log
- */
-typedef struct AVCLASS AVClass;
-struct AVCLASS {
-    const char* class_name;
-    const char* (*item_name)(void*); /* actually passing a pointer to an AVCodecContext
-                                        or AVFormatContext, which begin with an AVClass.
-                                        Needed because av_log is in libavcodec and has no visibility
-                                        of AVIn/OutputFormat */
-    struct AVOption *option;
-};
-
-/**
  * main external api structure.
  */
 typedef struct AVCodecContext {
@@ -2632,26 +2619,6 @@
 int img_pad(AVPicture *dst, const AVPicture *src, int height, int width, int pix_fmt,
             int padtop, int padbottom, int padleft, int padright, int *color);
 
-/* av_log API */
-
-#include <stdarg.h>
-
-#define AV_LOG_QUIET -1
-#define AV_LOG_ERROR 0
-#define AV_LOG_INFO 1
-#define AV_LOG_DEBUG 2
-
-#ifdef __GNUC__
-extern void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
-#else
-extern void av_log(void*, int level, const char *fmt, ...);
-#endif
-
-extern void av_vlog(void*, int level, const char *fmt, va_list);
-extern int av_log_get_level(void);
-extern void av_log_set_level(int);
-extern void av_log_set_callback(void (*)(void*, int, const char*, va_list));
-
 /* endian macros */
 #if !defined(BE_16) || !defined(BE_32) || !defined(LE_16) || !defined(LE_32)
 #define BE_16(x)  ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])

Modified: trunk/libavcodec/utils.c
==============================================================================
--- trunk/libavcodec/utils.c	(original)
+++ trunk/libavcodec/utils.c	Tue Jul 18 13:00:55 2006
@@ -1,7 +1,6 @@
 /*
  * utils for libavcodec
  * Copyright (c) 2001 Fabrice Bellard.
- * Copyright (c) 2003 Michel Bardiaux for the av_log API
  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni at gmx.at>
  *
  * This library is free software; you can redistribute it and/or
@@ -1339,57 +1338,6 @@
     }
 }
 
-/* av_log API */
-
-static int av_log_level = AV_LOG_INFO;
-
-static void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
-{
-    static int print_prefix=1;
-    AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
-    if(level>av_log_level)
-        return;
-#undef fprintf
-    if(print_prefix && avc) {
-            fprintf(stderr, "[%s @ %p]", avc->item_name(ptr), avc);
-    }
-#define fprintf please_use_av_log
-
-    print_prefix= strstr(fmt, "\n") != NULL;
-
-    vfprintf(stderr, fmt, vl);
-}
-
-static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback;
-
-void av_log(void* avcl, int level, const char *fmt, ...)
-{
-    va_list vl;
-    va_start(vl, fmt);
-    av_vlog(avcl, level, fmt, vl);
-    va_end(vl);
-}
-
-void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
-{
-    av_log_callback(avcl, level, fmt, vl);
-}
-
-int av_log_get_level(void)
-{
-    return av_log_level;
-}
-
-void av_log_set_level(int level)
-{
-    av_log_level = level;
-}
-
-void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
-{
-    av_log_callback = callback;
-}
-
 #if !defined(HAVE_THREADS)
 int avcodec_thread_init(AVCodecContext *s, int thread_count){
     return -1;

Modified: trunk/libavutil/Makefile
==============================================================================
--- trunk/libavutil/Makefile	(original)
+++ trunk/libavutil/Makefile	Tue Jul 18 13:00:55 2006
@@ -14,6 +14,7 @@
       md5.o \
       lls.o \
       adler32.o \
+      log.o
 
 HEADERS = avutil.h common.h mathematics.h integer.h rational.h \
           intfloat_readwrite.h md5.h adler32.h

Modified: trunk/libavutil/avutil.h
==============================================================================
--- trunk/libavutil/avutil.h	(original)
+++ trunk/libavutil/avutil.h	Tue Jul 18 13:00:55 2006
@@ -26,6 +26,7 @@
 #include "rational.h"
 #include "integer.h"
 #include "intfloat_readwrite.h"
+#include "log.h"
 
 /**
  * Pixel format. Notes:

Copied: trunk/libavutil/log.c (from r5780, /trunk/libavcodec/utils.c)
==============================================================================
--- /trunk/libavcodec/utils.c	(original)
+++ trunk/libavutil/log.c	Tue Jul 18 13:00:55 2006
@@ -1,8 +1,6 @@
 /*
- * utils for libavcodec
- * Copyright (c) 2001 Fabrice Bellard.
- * Copyright (c) 2003 Michel Bardiaux for the av_log API
- * Copyright (c) 2002-2004 Michael Niedermayer <michaelni at gmx.at>
+ * log functions
+ * Copyright (c) 2003 Michel Bardiaux
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -20,1326 +18,11 @@
  */
 
 /**
- * @file utils.c
- * utils.
+ * @file log.c
+ * log.
  */
 
-#include "avcodec.h"
-#include "dsputil.h"
-#include "mpegvideo.h"
-#include "integer.h"
-#include "opt.h"
-#include "crc.h"
-#include <stdarg.h>
-#include <limits.h>
-#include <float.h>
-#ifdef __MINGW32__
-#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 avcodec_default_free_buffers(AVCodecContext *s);
-
-void *av_mallocz(unsigned int size)
-{
-    void *ptr;
-
-    ptr = av_malloc(size);
-    if (!ptr)
-        return NULL;
-    memset(ptr, 0, size);
-    return ptr;
-}
-
-char *av_strdup(const char *s)
-{
-    char *ptr;
-    int len;
-    len = strlen(s) + 1;
-    ptr = av_malloc(len);
-    if (!ptr)
-        return NULL;
-    memcpy(ptr, s, len);
-    return ptr;
-}
-
-/**
- * realloc which does nothing if the block is large enough
- */
-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);
-
-    return av_realloc(ptr, *size);
-}
-
-
-static unsigned int last_static = 0;
-static unsigned int allocated_static = 0;
-static void** array_static = NULL;
-
-/**
- * allocation of static arrays - do not use for normal allocation.
- */
-void *av_mallocz_static(unsigned int size)
-{
-    void *ptr = av_mallocz(size);
-
-    if(ptr){
-        array_static =av_fast_realloc(array_static, &allocated_static, sizeof(void*)*(last_static+1));
-        if(!array_static)
-            return NULL;
-        array_static[last_static++] = ptr;
-    }
-
-    return ptr;
-}
-
-/**
- * same as above, but does realloc
- */
-
-void *av_realloc_static(void *ptr, unsigned int size)
-{
-    int i;
-    if(!ptr)
-      return av_mallocz_static(size);
-    /* Look for the old ptr */
-    for(i = 0; i < last_static; i++) {
-        if(array_static[i] == ptr) {
-            array_static[i] = av_realloc(array_static[i], size);
-            return array_static[i];
-        }
-    }
-    return NULL;
-
-}
-
-/**
- * free all static arrays and reset pointers to 0.
- */
-void av_free_static(void)
-{
-    while(last_static){
-        av_freep(&array_static[--last_static]);
-    }
-    av_freep(&array_static);
-}
-
-/**
- * Call av_free_static automatically before it's too late
- */
-
-static void do_free(void) __attribute__ ((destructor));
-
-static void do_free(void)
-{
-    av_free_static();
-}
-
-/**
- * Frees memory and sets the pointer to NULL.
- * @param arg pointer to the pointer which should be freed
- */
-void av_freep(void *arg)
-{
-    void **ptr= (void**)arg;
-    av_free(*ptr);
-    *ptr = NULL;
-}
-
-/* encoder management */
-AVCodec *first_avcodec = NULL;
-
-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];
-}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_YUV422:
-    case PIX_FMT_UYVY422:
-    case PIX_FMT_YUV422P:
-    case PIX_FMT_YUV444P:
-    case PIX_FMT_GRAY8:
-    case PIX_FMT_YUVJ420P:
-    case PIX_FMT_YUVJ422P:
-    case PIX_FMT_YUVJ444P:
-        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_UYVY411:
-        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;
-
-    assert(pic->data[0]==NULL);
-    assert(INTERNAL_BUFFER_SIZE > s->internal_buffer_count);
-
-    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]){
-        pic->age= *picture_number - buf->last_pic_num;
-        buf->last_pic_num= *picture_number;
-    }else{
-        int h_chroma_shift, v_chroma_shift;
-        int pixel_size, size[3];
-        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;
-        }
-        avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
-        pixel_size= picture.linesize[0]*8 / w;
-//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d\n", (int)picture.data[1], w, h, s->pix_fmt);
-        assert(pixel_size>=1);
-            //FIXME next ensures that linesize= 2^x uvlinesize, thats needed because some MC code assumes it
-        if(pixel_size == 3*8)
-            w= ALIGN(w, STRIDE_ALIGN<<h_chroma_shift);
-        else
-            w= ALIGN(pixel_size*w, STRIDE_ALIGN<<(h_chroma_shift+3)) / pixel_size;
-        size[1] = avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
-        size[0] = picture.linesize[0] * h;
-        size[1] -= size[0];
-        if(picture.data[2])
-            size[1]= size[2]= size[1]/2;
-        else
-            size[2]= 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<3 && 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);
-        }
-        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, temp;
-
-    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];
-
-    temp= *buf;
-    *buf= *last;
-    *last= temp;
-
-    for(i=0; i<3; i++){
-        pic->data[i]=NULL;
-//        pic->base[i]=NULL;
-    }
-//printf("R%X\n", 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 */
-    img_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) (int)&((AVCodecContext*)0)->x
-#define DEFAULT 0 //should be NAN but it doesnt work as its 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
-
-static const AVOption options[]={
-{"bit_rate", NULL, OFFSET(bit_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
-{"bit_rate_tolerance", NULL, OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_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, "flags"},
-{"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_ALT_SCAN, INT_MIN, INT_MAX, V|E, "flags"},
-{"trell", "use trellis quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRELLIS_QUANT, INT_MIN, INT_MAX, V|E, "flags"},
-{"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"},
-{"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", NULL, OFFSET(me_method), FF_OPT_TYPE_INT, DEFAULT, 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},
-{"gop_size", NULL, OFFSET(gop_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"rate_emu", NULL, OFFSET(rate_emu), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"sample_rate", NULL, OFFSET(sample_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"channels", NULL, 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},
-{"qcompress", NULL, OFFSET(qcompress), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"qblur", NULL, OFFSET(qblur), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"qmin", NULL, OFFSET(qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"qmax", NULL, OFFSET(qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"max_qdiff", NULL, OFFSET(max_qdiff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"max_b_frames", NULL, OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"b_quant_factor", NULL, OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"rc_strategy", NULL, OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"b_strategy", NULL, 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},
-{"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"rtp_payload_size", NULL, OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"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},
-{"bugs", NULL, OFFSET(workaround_bugs), FF_OPT_TYPE_INT, DEFAULT, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_OLD_MSMPEG4, INT_MIN, INT_MAX, V|D, "bug"},
-{"xvid_ilace", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_XVID_ILACE, INT_MIN, INT_MAX, V|D, "bug"},
-{"ump4", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_UMP4, INT_MIN, INT_MAX, V|D, "bug"},
-{"no_padding", NULL, 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", NULL, 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", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DIRECT_BLOCKSIZE, INT_MIN, INT_MAX, V|D, "bug"},
-{"edge", NULL, 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", NULL, 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", NULL, OFFSET(strict_std_compliance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "strict"},
-{"very", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_VERY_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
-{"strict", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|E, "strict"},
-{"experimental", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|E, "strict"},
-{"b_quant_offset", NULL, OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"er", NULL, OFFSET(error_resilience), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, 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", NULL, 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},
-{"rc_qsquish", NULL, OFFSET(rc_qsquish), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"rc_qmod_amp", NULL, OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"rc_qmod_freq", NULL, 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", NULL, OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
-{"rc_max_rate", NULL, OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"rc_min_rate", NULL, OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"rc_buffer_size", NULL, OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"rc_buf_aggressivity", NULL, OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"i_quant_factor", NULL, OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"i_quant_offset", NULL, OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"rc_initial_cplx", NULL, OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"dct", NULL, OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
-{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
-{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_FASTINT, INT_MIN, INT_MAX, V|E, "dct"},
-{"int", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_FAAN, INT_MIN, INT_MAX, V|E, "dct"},
-{"lumi_mask", "lumimasking", OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
-{"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
-{"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
-{"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
-{"dark_mask", "darkness masking", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
-{"unused", NULL, OFFSET(unused), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"idct", NULL, 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"},
-{"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"},
-{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"ec", NULL, OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
-{"guess_mvs", NULL, 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
-{"deblock", NULL, 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", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PICT_INFO, INT_MIN, INT_MAX, V|D, "debug"},
-{"rc", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
-{"qp", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_QP, INT_MIN, INT_MAX, V|D, "debug"},
-{"mv", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_ER, INT_MIN, INT_MAX, V|D, "debug"},
-{"mmco", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_QP, INT_MIN, INT_MAX, V|D, "debug"},
-{"vis_mb_type", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
-{"vismv", "visualize motion vectors", OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|D, "debug_mv"},
-{"pf", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_P_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
-{"bf", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
-{"bb", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_BACK, INT_MIN, INT_MAX, V|D, "debug_mv"},
-{"mb_qmin", NULL, OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"mb_qmax", NULL, 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, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"dia_size", NULL, OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"last_pred", NULL, OFFSET(last_predictor_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"preme", NULL, 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", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"sse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"satd", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SATD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"dct", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"psnr", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_PSNR, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"bit", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_BIT, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"rd", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_RD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"zero", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_ZERO, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"vsad", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"vsse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_VSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"nsse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_NSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
-#ifdef CONFIG_SNOW_ENCODER
-{"w53", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_W53, INT_MIN, INT_MAX, V|E, "cmp_func"},
-{"w97", NULL, 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", NULL, 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, DEFAULT, 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", NULL, OFFSET(me_range), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"ibias", NULL, OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"pbias", NULL, OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, DEFAULT, 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"},
-{"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", NULL, OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "mbd"},
-{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_SIMPLE, INT_MIN, INT_MAX, V|E, "mbd"},
-{"bits", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_BITS, INT_MIN, INT_MAX, V|E, "mbd"},
-{"rd", NULL, 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", NULL, OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"lmin", "min lagrange factor", OFFSET(lmin), FF_OPT_TYPE_INT,  2*FF_QP2LAMBDA, 0, INT_MAX, V|E},
-{"lmax", "max lagrange factor", 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", NULL, 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, DEFAULT, INT_MIN, INT_MAX, V|A|E|D, "flags2"},
-{"error_rate", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"antialias", NULL, 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},
-{"thread_count", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, DEFAULT, 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", NULL, OFFSET(mb_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
-{"dc", NULL, OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, DEFAULT, 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", NULL, OFFSET(skip_top), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
-{"skip_bottom", NULL, 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"},
-{"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", NULL, OFFSET(lowres), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|D},
-{"frame_skip_threshold", NULL, OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"frame_skip_factor", NULL, OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"frame_skip_exp", NULL, 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", NULL, OFFSET(border_masking), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"mb_lmin", NULL, OFFSET(mb_lmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"mb_lmax", NULL, OFFSET(mb_lmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"me_penalty_compensation", NULL, OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"bidir_refine", NULL, OFFSET(bidir_refine), FF_OPT_TYPE_INT, DEFAULT, 0, 4, V|E},
-{"brd_scale", NULL, OFFSET(brd_scale), FF_OPT_TYPE_INT, DEFAULT, 0, 10, V|E},
-{"crf", NULL, OFFSET(crf), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"cqp", NULL, OFFSET(cqp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"keyint_min", NULL, OFFSET(keyint_min), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"refs", NULL, OFFSET(refs), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"chromaoffset", NULL, OFFSET(chromaoffset), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"bframebias", NULL, OFFSET(bframebias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"trellis", NULL, OFFSET(trellis), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
-{"directpred", NULL, OFFSET(directpred), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"bpyramid", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BPYRAMID, INT_MIN, INT_MAX, V|E, "flags2"},
-{"wpred", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_WPRED, INT_MIN, INT_MAX, V|E, "flags2"},
-{"mixed_refs", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_MIXED_REFS, INT_MIN, INT_MAX, V|E, "flags2"},
-{"8x8dct", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_8X8DCT, INT_MIN, INT_MAX, V|E, "flags2"},
-{"fastpskip", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|E, "flags2"},
-{"aud", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_AUD, INT_MIN, INT_MAX, V|E, "flags2"},
-{"brdo", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BRDO, INT_MIN, INT_MAX, V|E, "flags2"},
-{"complexityblur", NULL, OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
-{"deblockalpha", NULL, OFFSET(deblockalpha), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"deblockbeta", NULL, OFFSET(deblockbeta), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
-{"partitions", NULL, 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", NULL, 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", NULL, 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", NULL, OFFSET(use_lpc), FF_OPT_TYPE_INT, -1, INT_MIN, INT_MAX, A|E},
-{"lpc_coeff_precision", NULL, 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", NULL, 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},
-{NULL},
-};
-
-#undef A
-#undef V
-
-static AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options };
-
-void avcodec_get_context_defaults(AVCodecContext *s){
-    memset(s, 0, sizeof(AVCodecContext));
-
-    s->av_class= &av_codec_context_class;
-    s->bit_rate= 800*1000;
-    s->bit_rate_tolerance= s->bit_rate*10;
-    s->qmin= 2;
-    s->qmax= 31;
-    s->mb_lmin= FF_QP2LAMBDA * 2;
-    s->mb_lmax= FF_QP2LAMBDA * 31;
-    s->rc_eq= "tex^qComp";
-    s->cqp = -1;
-    s->refs = 1;
-    s->directpred = 2;
-    s->qcompress= 0.5;
-    s->complexityblur = 20.0;
-    s->keyint_min = 25;
-    s->flags2 = CODEC_FLAG2_FASTPSKIP;
-    s->max_qdiff= 3;
-    s->b_quant_factor=1.25;
-    s->b_quant_offset=1.25;
-    s->i_quant_factor=-0.8;
-    s->i_quant_offset=0.0;
-    s->error_concealment= 3;
-    s->error_resilience= 1;
-    s->workaround_bugs= FF_BUG_AUTODETECT;
-    s->time_base= (AVRational){0,1};
-    s->gop_size= 50;
-    s->me_method= ME_EPZS;
-    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->thread_count=1;
-    s->me_subpel_quality=8;
-    s->lmin= FF_QP2LAMBDA * s->qmin;
-    s->lmax= FF_QP2LAMBDA * s->qmax;
-    s->sample_aspect_ratio= (AVRational){0,1};
-    s->ildct_cmp= FF_CMP_VSAD;
-    s->profile= FF_PROFILE_UNKNOWN;
-    s->level= FF_LEVEL_UNKNOWN;
-    s->me_penalty_compensation= 256;
-    s->pix_fmt= PIX_FMT_NONE;
-    s->frame_skip_cmp= FF_CMP_DCTMAX;
-    s->nsse_weight= 8;
-    s->sample_fmt= SAMPLE_FMT_S16; // FIXME: set to NONE
-    s->mv0_threshold= 256;
-    s->b_sensitivity= 40;
-    s->compression_level = FF_COMPRESSION_DEFAULT;
-    s->use_lpc = -1;
-    s->min_prediction_order = -1;
-    s->max_prediction_order = -1;
-    s->prediction_order_method = -1;
-    s->min_partition_order = -1;
-    s->max_partition_order = -1;
-
-    s->intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
-    s->inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
-    s->palctrl = NULL;
-    s->reget_buffer= avcodec_default_reget_buffer;
-}
-
-/**
- * allocates a AVCodecContext and set it to defaults.
- * this can be deallocated by simply calling free()
- */
-AVCodecContext *avcodec_alloc_context(void){
-    AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
-
-    if(avctx==NULL) return NULL;
-
-    avcodec_get_context_defaults(avctx);
-
-    return avctx;
-}
-
-void avcodec_get_frame_defaults(AVFrame *pic){
-    memset(pic, 0, sizeof(AVFrame));
-
-    pic->pts= AV_NOPTS_VALUE;
-    pic->key_frame= 1;
-}
-
-/**
- * allocates a AVPFrame and set it to defaults.
- * this can be deallocated by simply calling free()
- */
-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)
-        goto end;
-
-    if (codec->priv_data_size > 0) {
-        avctx->priv_data = av_mallocz(codec->priv_data_size);
-        if (!avctx->priv_data)
-            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);
-        goto end;
-    }
-
-    avctx->codec = codec;
-    avctx->codec_id = codec->id;
-    avctx->frame_number = 0;
-    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 then minimum size\n");
-        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 then minimum size\n");
-        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;
-}
-
-/**
- * decode a frame.
- * @param buf bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE larger then the actual read bytes
- * because some optimized bitstream readers read 32 or 64 bit at once and could read over the end
- * @param buf_size the size of the buffer in bytes
- * @param got_picture_ptr zero if no frame could be decompressed, Otherwise, it is non zero
- * @return -1 if error, otherwise return the number of
- * bytes used.
- */
-int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
-                         int *got_picture_ptr,
-                         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;
-}
-
-/* decode an audio frame. return -1 if error, otherwise return the
-   *number of bytes used. If no frame could be decompressed,
-   *frame_size_ptr is zero. Otherwise, it is the decompressed frame
-   *size in BYTES. */
-int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
-                         int *frame_size_ptr,
-                         uint8_t *buf, int buf_size)
-{
-    int ret;
-
-    *frame_size_ptr= 0;
-    if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
-        ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
-                                buf, buf_size);
-        avctx->frame_number++;
-    }else
-        ret= 0;
-    return ret;
-}
-
-/* decode a subtitle message. return -1 if error, otherwise return the
-   *number of bytes used. If no subtitle could be decompressed,
-   *got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. */
-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,
-                               (uint8_t *)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 (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;
-
-    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] != '\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(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_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;
-    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;
-}
-
-static void init_crcs(void){
-    av_crc04C11DB7= av_mallocz_static(sizeof(AVCRC) * 257);
-    av_crc8005    = av_mallocz_static(sizeof(AVCRC) * 257);
-    av_crc07      = av_mallocz_static(sizeof(AVCRC) * 257);
-    av_crc_init(av_crc04C11DB7, 0, 32, 0x04c11db7, sizeof(AVCRC)*257);
-    av_crc_init(av_crc8005    , 0, 16, 0x8005    , sizeof(AVCRC)*257);
-    av_crc_init(av_crc07      , 0,  8, 0x07      , sizeof(AVCRC)*257);
-}
-
-/* must be called before any other functions */
-void avcodec_init(void)
-{
-    static int inited = 0;
-
-    if (inited != 0)
-        return;
-    inited = 1;
-
-    dsputil_static_init();
-    init_crcs();
-}
-
-/**
- * Flush buffers, should be called when seeking or when swicthing to a different stream.
- */
-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 I_TYPE: return 'I';
-    case P_TYPE: return 'P';
-    case B_TYPE: return 'B';
-    case S_TYPE: return 'S';
-    case SI_TYPE:return 'i';
-    case SP_TYPE:return 'p';
-    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_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;
-    }
-}
-
-/* av_log API */
+#include "avutil.h"
 
 static int av_log_level = AV_LOG_INFO;
 
@@ -1389,59 +72,3 @@
 {
     av_log_callback = callback;
 }
-
-#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;
-#ifdef __MINGW32__
-    *filename = tempnam(".", prefix);
-#else
-    size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
-    *filename = av_malloc(len);
-#endif
-    /* -----common section-----*/
-    if (*filename == NULL) {
-        av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
-        return -1;
-    }
-#ifdef __MINGW32__
-    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 %s\n", *filename);
-        return -1;
-    }
-    return fd; /* success */
-}

Added: trunk/libavutil/log.h
==============================================================================
--- (empty file)
+++ trunk/libavutil/log.h	Tue Jul 18 13:00:55 2006
@@ -0,0 +1,37 @@
+#ifndef LOG_H
+#define LOG_H
+
+#include <stdarg.h>
+
+/**
+ * Used by av_log
+ */
+typedef struct AVCLASS AVClass;
+struct AVCLASS {
+    const char* class_name;
+    const char* (*item_name)(void*); /* actually passing a pointer to an AVCodecContext
+                                        or AVFormatContext, which begin with an AVClass.
+                                        Needed because av_log is in libavcodec and has no visibility
+                                        of AVIn/OutputFormat */
+    struct AVOption *option;
+};
+
+/* av_log API */
+
+#define AV_LOG_QUIET -1
+#define AV_LOG_ERROR 0
+#define AV_LOG_INFO 1
+#define AV_LOG_DEBUG 2
+
+#ifdef __GNUC__
+extern void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
+#else
+extern void av_log(void*, int level, const char *fmt, ...);
+#endif
+
+extern void av_vlog(void*, int level, const char *fmt, va_list);
+extern int av_log_get_level(void);
+extern void av_log_set_level(int);
+extern void av_log_set_callback(void (*)(void*, int, const char*, va_list));
+
+#endif /* LOG_H */




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