ffmpeg / libavcodec / utils.c @ f2508b17
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/*
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* utils for libavcodec
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* Copyright (c) 2001 Fabrice Bellard.
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* Copyright (c) 2003 Michel Bardiaux for the av_log API
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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|
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/**
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* @file utils.c
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* utils.
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*/
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#include "avcodec.h" |
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#include "dsputil.h" |
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#include "mpegvideo.h" |
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#include "integer.h" |
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#include "opt.h" |
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#include "crc.h" |
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#include <stdarg.h> |
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#include <limits.h> |
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#include <float.h> |
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#ifdef CONFIG_WIN32
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#include <fcntl.h> |
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#endif
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|
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const uint8_t ff_reverse[256]={ |
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0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0, |
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0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8, |
| 43 |
0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4, |
| 44 |
0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC, |
| 45 |
0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2, |
| 46 |
0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA, |
| 47 |
0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6, |
| 48 |
0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE, |
| 49 |
0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1, |
| 50 |
0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9, |
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0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5, |
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0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD, |
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0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3, |
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0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB, |
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0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7, |
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0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF, |
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}; |
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|
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static int volatile entangled_thread_counter=0; |
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|
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void avcodec_default_free_buffers(AVCodecContext *s);
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void *av_mallocz(unsigned int size) |
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{
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void *ptr;
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ptr = av_malloc(size); |
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if (!ptr)
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return NULL; |
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memset(ptr, 0, size);
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return ptr;
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} |
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|
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char *av_strdup(const char *s) |
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{
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char *ptr;
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int len;
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len = strlen(s) + 1;
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ptr = av_malloc(len); |
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if (!ptr)
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return NULL; |
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memcpy(ptr, s, len); |
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return ptr;
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} |
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|
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/**
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* realloc which does nothing if the block is large enough
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*/
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void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size) |
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{
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if(min_size < *size)
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return ptr;
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*size= FFMAX(17*min_size/16 + 32, min_size); |
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return av_realloc(ptr, *size);
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} |
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static unsigned int last_static = 0; |
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static unsigned int allocated_static = 0; |
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static void** array_static = NULL; |
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/**
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* allocation of static arrays - do not use for normal allocation.
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*/
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void *av_mallocz_static(unsigned int size) |
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{
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void *ptr = av_mallocz(size);
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if(ptr){
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array_static =av_fast_realloc(array_static, &allocated_static, sizeof(void*)*(last_static+1)); |
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if(!array_static)
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return NULL; |
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array_static[last_static++] = ptr; |
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} |
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return ptr;
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} |
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/**
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* same as above, but does realloc
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*/
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void *av_realloc_static(void *ptr, unsigned int size) |
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{
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int i;
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if(!ptr)
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return av_mallocz_static(size);
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/* Look for the old ptr */
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for(i = 0; i < last_static; i++) { |
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if(array_static[i] == ptr) {
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array_static[i] = av_realloc(array_static[i], size); |
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return array_static[i];
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} |
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} |
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return NULL; |
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} |
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/**
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* free all static arrays and reset pointers to 0.
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*/
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void av_free_static(void) |
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{
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while(last_static){
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av_freep(&array_static[--last_static]); |
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} |
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av_freep(&array_static); |
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} |
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/**
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* Call av_free_static automatically before it's too late
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*/
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static void do_free(void) __attribute__ ((destructor)); |
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static void do_free(void) |
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{
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av_free_static(); |
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} |
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/**
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* Frees memory and sets the pointer to NULL.
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* @param arg pointer to the pointer which should be freed
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*/
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void av_freep(void *arg) |
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{
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void **ptr= (void**)arg; |
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av_free(*ptr); |
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*ptr = NULL;
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} |
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/* encoder management */
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AVCodec *first_avcodec = NULL;
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void register_avcodec(AVCodec *format)
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{
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AVCodec **p; |
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p = &first_avcodec; |
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while (*p != NULL) p = &(*p)->next; |
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*p = format; |
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format->next = NULL;
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} |
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void avcodec_set_dimensions(AVCodecContext *s, int width, int height){ |
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s->coded_width = width; |
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s->coded_height= height; |
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s->width = -((-width )>>s->lowres); |
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s->height= -((-height)>>s->lowres); |
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} |
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typedef struct InternalBuffer{ |
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int last_pic_num;
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uint8_t *base[4];
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uint8_t *data[4];
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int linesize[4]; |
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}InternalBuffer; |
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#define INTERNAL_BUFFER_SIZE 32 |
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#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1)) |
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void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){ |
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int w_align= 1; |
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int h_align= 1; |
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switch(s->pix_fmt){
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case PIX_FMT_YUV420P:
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case PIX_FMT_YUV422:
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case PIX_FMT_UYVY422:
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case PIX_FMT_YUV422P:
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case PIX_FMT_YUV444P:
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case PIX_FMT_GRAY8:
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case PIX_FMT_YUVJ420P:
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case PIX_FMT_YUVJ422P:
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case PIX_FMT_YUVJ444P:
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w_align= 16; //FIXME check for non mpeg style codecs and use less alignment |
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h_align= 16;
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break;
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case PIX_FMT_YUV411P:
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case PIX_FMT_UYVY411:
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w_align=32;
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h_align=8;
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break;
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case PIX_FMT_YUV410P:
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if(s->codec_id == CODEC_ID_SVQ1){
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w_align=64;
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h_align=64;
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} |
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case PIX_FMT_RGB555:
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if(s->codec_id == CODEC_ID_RPZA){
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w_align=4;
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h_align=4;
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} |
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case PIX_FMT_PAL8:
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if(s->codec_id == CODEC_ID_SMC){
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w_align=4;
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h_align=4;
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} |
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break;
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case PIX_FMT_BGR24:
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if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){
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w_align=4;
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h_align=4;
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} |
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break;
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default:
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w_align= 1;
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h_align= 1;
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break;
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} |
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*width = ALIGN(*width , w_align); |
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*height= ALIGN(*height, h_align); |
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} |
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int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){ |
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if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/4) |
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return 0; |
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av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h);
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return -1; |
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} |
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int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
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int i;
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int w= s->width;
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int h= s->height;
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InternalBuffer *buf; |
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int *picture_number;
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assert(pic->data[0]==NULL); |
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assert(INTERNAL_BUFFER_SIZE > s->internal_buffer_count); |
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if(avcodec_check_dimensions(s,w,h))
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return -1; |
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|
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if(s->internal_buffer==NULL){ |
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s->internal_buffer= av_mallocz(INTERNAL_BUFFER_SIZE*sizeof(InternalBuffer));
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} |
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#if 0
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s->internal_buffer= av_fast_realloc(
|
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s->internal_buffer,
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&s->internal_buffer_size,
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sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/
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);
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#endif
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buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count]; |
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picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE-1]).last_pic_num; //FIXME ugly hack |
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(*picture_number)++; |
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|
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if(buf->base[0]){ |
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pic->age= *picture_number - buf->last_pic_num; |
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buf->last_pic_num= *picture_number; |
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}else{
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int h_chroma_shift, v_chroma_shift;
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int pixel_size, size[3]; |
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AVPicture picture; |
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|
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avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift); |
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|
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avcodec_align_dimensions(s, &w, &h); |
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|
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if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
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w+= EDGE_WIDTH*2;
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h+= EDGE_WIDTH*2;
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} |
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avpicture_fill(&picture, NULL, s->pix_fmt, w, h);
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pixel_size= picture.linesize[0]*8 / w; |
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//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d\n", (int)picture.data[1], w, h, s->pix_fmt);
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assert(pixel_size>=1);
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//FIXME next ensures that linesize= 2^x uvlinesize, thats needed because some MC code assumes it
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if(pixel_size == 3*8) |
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w= ALIGN(w, STRIDE_ALIGN<<h_chroma_shift); |
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else
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w= ALIGN(pixel_size*w, STRIDE_ALIGN<<(h_chroma_shift+3)) / pixel_size;
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size[1] = avpicture_fill(&picture, NULL, s->pix_fmt, w, h); |
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size[0] = picture.linesize[0] * h; |
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size[1] -= size[0]; |
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if(picture.data[2]) |
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size[1]= size[2]= size[1]/2; |
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else
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size[2]= 0; |
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|
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buf->last_pic_num= -256*256*256*64; |
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memset(buf->base, 0, sizeof(buf->base)); |
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memset(buf->data, 0, sizeof(buf->data)); |
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|
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for(i=0; i<3 && size[i]; i++){ |
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const int h_shift= i==0 ? 0 : h_chroma_shift; |
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const int v_shift= i==0 ? 0 : v_chroma_shift; |
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|
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buf->linesize[i]= picture.linesize[i]; |
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|
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buf->base[i]= av_malloc(size[i]+16); //FIXME 16 |
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if(buf->base[i]==NULL) return -1; |
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memset(buf->base[i], 128, size[i]);
|
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|
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// no edge if EDEG EMU or not planar YUV, we check for PAL8 redundantly to protect against a exploitable bug regression ...
|
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if((s->flags&CODEC_FLAG_EMU_EDGE) || (s->pix_fmt == PIX_FMT_PAL8) || !size[2]) |
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buf->data[i] = buf->base[i]; |
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else
|
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buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), STRIDE_ALIGN); |
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} |
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pic->age= 256*256*256*64; |
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} |
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pic->type= FF_BUFFER_TYPE_INTERNAL; |
| 350 |
|
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for(i=0; i<4; i++){ |
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pic->base[i]= buf->base[i]; |
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pic->data[i]= buf->data[i]; |
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pic->linesize[i]= buf->linesize[i]; |
| 355 |
} |
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s->internal_buffer_count++; |
| 357 |
|
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return 0; |
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} |
| 360 |
|
| 361 |
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
|
| 362 |
int i;
|
| 363 |
InternalBuffer *buf, *last, temp; |
| 364 |
|
| 365 |
assert(pic->type==FF_BUFFER_TYPE_INTERNAL); |
| 366 |
assert(s->internal_buffer_count); |
| 367 |
|
| 368 |
buf = NULL; /* avoids warning */ |
| 369 |
for(i=0; i<s->internal_buffer_count; i++){ //just 3-5 checks so is not worth to optimize |
| 370 |
buf= &((InternalBuffer*)s->internal_buffer)[i]; |
| 371 |
if(buf->data[0] == pic->data[0]) |
| 372 |
break;
|
| 373 |
} |
| 374 |
assert(i < s->internal_buffer_count); |
| 375 |
s->internal_buffer_count--; |
| 376 |
last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count]; |
| 377 |
|
| 378 |
temp= *buf; |
| 379 |
*buf= *last; |
| 380 |
*last= temp; |
| 381 |
|
| 382 |
for(i=0; i<3; i++){ |
| 383 |
pic->data[i]=NULL;
|
| 384 |
// pic->base[i]=NULL;
|
| 385 |
} |
| 386 |
//printf("R%X\n", pic->opaque);
|
| 387 |
} |
| 388 |
|
| 389 |
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
|
| 390 |
AVFrame temp_pic; |
| 391 |
int i;
|
| 392 |
|
| 393 |
/* If no picture return a new buffer */
|
| 394 |
if(pic->data[0] == NULL) { |
| 395 |
/* We will copy from buffer, so must be readable */
|
| 396 |
pic->buffer_hints |= FF_BUFFER_HINTS_READABLE; |
| 397 |
return s->get_buffer(s, pic);
|
| 398 |
} |
| 399 |
|
| 400 |
/* If internal buffer type return the same buffer */
|
| 401 |
if(pic->type == FF_BUFFER_TYPE_INTERNAL)
|
| 402 |
return 0; |
| 403 |
|
| 404 |
/*
|
| 405 |
* Not internal type and reget_buffer not overridden, emulate cr buffer
|
| 406 |
*/
|
| 407 |
temp_pic = *pic; |
| 408 |
for(i = 0; i < 4; i++) |
| 409 |
pic->data[i] = pic->base[i] = NULL;
|
| 410 |
pic->opaque = NULL;
|
| 411 |
/* Allocate new frame */
|
| 412 |
if (s->get_buffer(s, pic))
|
| 413 |
return -1; |
| 414 |
/* Copy image data from old buffer to new buffer */
|
| 415 |
img_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width, |
| 416 |
s->height); |
| 417 |
s->release_buffer(s, &temp_pic); // Release old frame
|
| 418 |
return 0; |
| 419 |
} |
| 420 |
|
| 421 |
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){ |
| 422 |
int i;
|
| 423 |
|
| 424 |
for(i=0; i<count; i++){ |
| 425 |
int r= func(c, arg[i]);
|
| 426 |
if(ret) ret[i]= r;
|
| 427 |
} |
| 428 |
return 0; |
| 429 |
} |
| 430 |
|
| 431 |
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt){ |
| 432 |
return fmt[0]; |
| 433 |
} |
| 434 |
|
| 435 |
static const char* context_to_name(void* ptr) { |
| 436 |
AVCodecContext *avc= ptr; |
| 437 |
|
| 438 |
if(avc && avc->codec && avc->codec->name)
|
| 439 |
return avc->codec->name;
|
| 440 |
else
|
| 441 |
return "NULL"; |
| 442 |
} |
| 443 |
|
| 444 |
#define OFFSET(x) (int)&((AVCodecContext*)0)->x |
| 445 |
#define DEFAULT 0 //should be NAN but it doesnt work as its not a constant in glibc as required by ANSI/ISO C |
| 446 |
//these names are too long to be readable
|
| 447 |
#define V AV_OPT_FLAG_VIDEO_PARAM
|
| 448 |
#define A AV_OPT_FLAG_AUDIO_PARAM
|
| 449 |
#define S AV_OPT_FLAG_SUBTITLE_PARAM
|
| 450 |
#define E AV_OPT_FLAG_ENCODING_PARAM
|
| 451 |
#define D AV_OPT_FLAG_DECODING_PARAM
|
| 452 |
|
| 453 |
static AVOption options[]={
|
| 454 |
{"bit_rate", NULL, OFFSET(bit_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
|
| 455 |
{"bit_rate_tolerance", NULL, OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 456 |
{"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|A|E|D, "flags"},
|
| 457 |
{"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_4MV, INT_MIN, INT_MAX, V|E, "flags"},
|
| 458 |
{"obmc", "use overlapped block motion compensation (h263+)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_OBMC, INT_MIN, INT_MAX, V|E, "flags"},
|
| 459 |
{"qpel", "use 1/4 pel motion compensation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QPEL, INT_MIN, INT_MAX, V|E, "flags"},
|
| 460 |
{"loop", "use loop filter", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOOP_FILTER, INT_MIN, INT_MAX, V|E, "flags"},
|
| 461 |
{"qscale", "use fixed qscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QSCALE, INT_MIN, INT_MAX, 0, "flags"},
|
| 462 |
{"gmc", "use gmc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GMC, INT_MIN, INT_MAX, V|E, "flags"},
|
| 463 |
{"mv0", "always try a mb with mv=<0,0>", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_MV0, INT_MIN, INT_MAX, V|E, "flags"},
|
| 464 |
{"part", "use data partitioning", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PART, INT_MIN, INT_MAX, V|E, "flags"},
|
| 465 |
{"input_preserved", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INPUT_PRESERVED, INT_MIN, INT_MAX, 0, "flags"},
|
| 466 |
{"pass1", "use internal 2pass ratecontrol in first pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS1, INT_MIN, INT_MAX, 0, "flags"},
|
| 467 |
{"pass2", "use internal 2pass ratecontrol in second pass mode", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PASS2, INT_MIN, INT_MAX, 0, "flags"},
|
| 468 |
{"extern_huff", "use external huffman table (for mjpeg)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EXTERN_HUFF, INT_MIN, INT_MAX, 0, "flags"},
|
| 469 |
{"gray", "only decode/encode grayscale", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_GRAY, INT_MIN, INT_MAX, V|E|D, "flags"},
|
| 470 |
{"emu_edge", "don't draw edges", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_EMU_EDGE, INT_MIN, INT_MAX, 0, "flags"},
|
| 471 |
{"psnr", "error[?] variables will be set during encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_PSNR, INT_MIN, INT_MAX, V|E, "flags"},
|
| 472 |
{"truncated", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRUNCATED, INT_MIN, INT_MAX, 0, "flags"},
|
| 473 |
{"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_NORMALIZE_AQP, INT_MIN, INT_MAX, V|E, "flags"},
|
| 474 |
{"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_DCT, INT_MIN, INT_MAX, V|E, "flags"},
|
| 475 |
{"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_LOW_DELAY, INT_MIN, INT_MAX, V|D, "flags"},
|
| 476 |
{"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_ALT_SCAN, INT_MIN, INT_MAX, V|E, "flags"},
|
| 477 |
{"trell", "use trellis quantization", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_TRELLIS_QUANT, INT_MIN, INT_MAX, V|E, "flags"},
|
| 478 |
{"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"},
|
| 479 |
{"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"},
|
| 480 |
{"aic", "h263 advanced intra coding / mpeg4 ac prediction", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_AC_PRED, INT_MIN, INT_MAX, V|E, "flags"},
|
| 481 |
{"umv", "use unlimited motion vectors", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_UMV, INT_MIN, INT_MAX, V|E, "flags"},
|
| 482 |
{"cbp", "use rate distortion optimization for cbp", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CBP_RD, INT_MIN, INT_MAX, V|E, "flags"},
|
| 483 |
{"qprd", "use rate distortion optimization for qp selection", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_QP_RD, INT_MIN, INT_MAX, V|E, "flags"},
|
| 484 |
{"aiv", "h263 alternative inter vlc", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_AIV, INT_MIN, INT_MAX, V|E, "flags"},
|
| 485 |
{"slice", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG_H263P_SLICE_STRUCT, INT_MIN, INT_MAX, V|E, "flags"},
|
| 486 |
{"ilme", "interlaced motion estimation", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_INTERLACED_ME, INT_MIN, INT_MAX, V|E, "flags"},
|
| 487 |
{"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"},
|
| 488 |
{"cgop", "closed gop", 0, FF_OPT_TYPE_CONST, CODEC_FLAG_CLOSED_GOP, INT_MIN, INT_MAX, V|E, "flags"},
|
| 489 |
{"fast", "allow non spec compliant speedup tricks", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FAST, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 490 |
{"sgop", "strictly enforce gop size", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_STRICT_GOP, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 491 |
{"noout", "skip bitstream encoding", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_NO_OUTPUT, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 492 |
{"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"},
|
| 493 |
{"sub_id", NULL, OFFSET(sub_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 494 |
{"me_method", NULL, OFFSET(me_method), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "me_method"},
|
| 495 |
{"extradata_size", NULL, OFFSET(extradata_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 496 |
{"time_base", NULL, OFFSET(time_base), FF_OPT_TYPE_RATIONAL, DEFAULT, INT_MIN, INT_MAX},
|
| 497 |
{"gop_size", NULL, OFFSET(gop_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 498 |
{"rate_emu", NULL, OFFSET(rate_emu), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 499 |
{"sample_rate", NULL, OFFSET(sample_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 500 |
{"channels", NULL, OFFSET(channels), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 501 |
{"cutoff", "set cutoff bandwidth", OFFSET(cutoff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, A|E},
|
| 502 |
{"frame_size", NULL, OFFSET(frame_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 503 |
{"frame_number", NULL, OFFSET(frame_number), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 504 |
{"real_pict_num", NULL, OFFSET(real_pict_num), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 505 |
{"delay", NULL, OFFSET(delay), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 506 |
{"qcompress", NULL, OFFSET(qcompress), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 507 |
{"qblur", NULL, OFFSET(qblur), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 508 |
{"qmin", NULL, OFFSET(qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 509 |
{"qmax", NULL, OFFSET(qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 510 |
{"max_qdiff", NULL, OFFSET(max_qdiff), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 511 |
{"max_b_frames", NULL, OFFSET(max_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 512 |
{"b_quant_factor", NULL, OFFSET(b_quant_factor), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 513 |
{"rc_strategy", NULL, OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 514 |
{"b_strategy", NULL, OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
|
| 515 |
{"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
|
| 516 |
{"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 517 |
{"rtp_payload_size", NULL, OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 518 |
{"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 519 |
{"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 520 |
{"i_tex_bits", NULL, OFFSET(i_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 521 |
{"p_tex_bits", NULL, OFFSET(p_tex_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 522 |
{"i_count", NULL, OFFSET(i_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 523 |
{"p_count", NULL, OFFSET(p_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 524 |
{"skip_count", NULL, OFFSET(skip_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 525 |
{"misc_bits", NULL, OFFSET(misc_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 526 |
{"frame_bits", NULL, OFFSET(frame_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 527 |
{"codec_tag", NULL, OFFSET(codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 528 |
{"bugs", NULL, OFFSET(workaround_bugs), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "bug"},
|
| 529 |
{"autodetect", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AUTODETECT, INT_MIN, INT_MAX, V|D, "bug"},
|
| 530 |
{"old_msmpeg4", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_OLD_MSMPEG4, INT_MIN, INT_MAX, V|D, "bug"},
|
| 531 |
{"xvid_ilace", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_XVID_ILACE, INT_MIN, INT_MAX, V|D, "bug"},
|
| 532 |
{"ump4", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_UMP4, INT_MIN, INT_MAX, V|D, "bug"},
|
| 533 |
{"no_padding", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_NO_PADDING, INT_MIN, INT_MAX, V|D, "bug"},
|
| 534 |
{"amv", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AMV, INT_MIN, INT_MAX, V|D, "bug"},
|
| 535 |
{"ac_vlc", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_AC_VLC, INT_MIN, INT_MAX, V|D, "bug"},
|
| 536 |
{"qpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
|
| 537 |
{"std_qpel", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_STD_QPEL, INT_MIN, INT_MAX, V|D, "bug"},
|
| 538 |
{"qpel_chroma2", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_QPEL_CHROMA2, INT_MIN, INT_MAX, V|D, "bug"},
|
| 539 |
{"direct_blocksize", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DIRECT_BLOCKSIZE, INT_MIN, INT_MAX, V|D, "bug"},
|
| 540 |
{"edge", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_EDGE, INT_MIN, INT_MAX, V|D, "bug"},
|
| 541 |
{"hpel_chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_HPEL_CHROMA, INT_MIN, INT_MAX, V|D, "bug"},
|
| 542 |
{"dc_clip", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_DC_CLIP, INT_MIN, INT_MAX, V|D, "bug"},
|
| 543 |
{"ms", NULL, 0, FF_OPT_TYPE_CONST, FF_BUG_MS, INT_MIN, INT_MAX, V|D, "bug"},
|
| 544 |
{"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},
|
| 545 |
{"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},
|
| 546 |
{"strict", NULL, OFFSET(strict_std_compliance), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "strict"},
|
| 547 |
{"very", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_VERY_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
|
| 548 |
{"strict", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_STRICT, INT_MIN, INT_MAX, V|E, "strict"},
|
| 549 |
{"normal", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_NORMAL, INT_MIN, INT_MAX, V|E, "strict"},
|
| 550 |
{"inofficial", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_INOFFICIAL, INT_MIN, INT_MAX, V|E, "strict"},
|
| 551 |
{"experimental", NULL, 0, FF_OPT_TYPE_CONST, FF_COMPLIANCE_EXPERIMENTAL, INT_MIN, INT_MAX, V|E, "strict"},
|
| 552 |
{"b_quant_offset", NULL, OFFSET(b_quant_offset), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 553 |
{"er", NULL, OFFSET(error_resilience), FF_OPT_TYPE_INT, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
|
| 554 |
{"careful", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_CAREFUL, INT_MIN, INT_MAX, V|D, "er"},
|
| 555 |
{"compliant", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_COMPLIANT, INT_MIN, INT_MAX, V|D, "er"},
|
| 556 |
{"aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
|
| 557 |
{"very_aggressive", NULL, 0, FF_OPT_TYPE_CONST, FF_ER_VERY_AGGRESSIVE, INT_MIN, INT_MAX, V|D, "er"},
|
| 558 |
{"has_b_frames", NULL, OFFSET(has_b_frames), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 559 |
{"block_align", NULL, OFFSET(block_align), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 560 |
{"parse_only", NULL, OFFSET(parse_only), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 561 |
{"mpeg_quant", NULL, OFFSET(mpeg_quant), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 562 |
{"stats_out", NULL, OFFSET(stats_out), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
|
| 563 |
{"stats_in", NULL, OFFSET(stats_in), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX},
|
| 564 |
{"rc_qsquish", NULL, OFFSET(rc_qsquish), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 565 |
{"rc_qmod_amp", NULL, OFFSET(rc_qmod_amp), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 566 |
{"rc_qmod_freq", NULL, OFFSET(rc_qmod_freq), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 567 |
{"rc_override_count", NULL, OFFSET(rc_override_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 568 |
{"rc_eq", NULL, OFFSET(rc_eq), FF_OPT_TYPE_STRING, DEFAULT, CHAR_MIN, CHAR_MAX, V|E},
|
| 569 |
{"rc_max_rate", NULL, OFFSET(rc_max_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 570 |
{"rc_min_rate", NULL, OFFSET(rc_min_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 571 |
{"rc_buffer_size", NULL, OFFSET(rc_buffer_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 572 |
{"rc_buf_aggressivity", NULL, OFFSET(rc_buffer_aggressivity), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 573 |
{"i_quant_factor", NULL, OFFSET(i_quant_factor), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 574 |
{"i_quant_offset", NULL, OFFSET(i_quant_offset), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 575 |
{"rc_initial_cplx", NULL, OFFSET(rc_initial_cplx), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 576 |
{"dct", NULL, OFFSET(dct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E, "dct"},
|
| 577 |
{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_AUTO, INT_MIN, INT_MAX, V|E, "dct"},
|
| 578 |
{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_FASTINT, INT_MIN, INT_MAX, V|E, "dct"},
|
| 579 |
{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_INT, INT_MIN, INT_MAX, V|E, "dct"},
|
| 580 |
{"mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MMX, INT_MIN, INT_MAX, V|E, "dct"},
|
| 581 |
{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_MLIB, INT_MIN, INT_MAX, V|E, "dct"},
|
| 582 |
{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_ALTIVEC, INT_MIN, INT_MAX, V|E, "dct"},
|
| 583 |
{"faan", NULL, 0, FF_OPT_TYPE_CONST, FF_DCT_FAAN, INT_MIN, INT_MAX, V|E, "dct"},
|
| 584 |
{"lumi_mask", "lumimasking", OFFSET(lumi_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
|
| 585 |
{"tcplx_mask", "temporal complexity masking", OFFSET(temporal_cplx_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
|
| 586 |
{"scplx_mask", "spatial complexity masking", OFFSET(spatial_cplx_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
|
| 587 |
{"p_mask", "inter masking", OFFSET(p_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
|
| 588 |
{"dark_mask", "darkness masking", OFFSET(dark_masking), FF_OPT_TYPE_FLOAT, 0, FLT_MIN, FLT_MAX, V|E},
|
| 589 |
{"unused", NULL, OFFSET(unused), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 590 |
{"idct", NULL, OFFSET(idct_algo), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|E|D, "idct"},
|
| 591 |
{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_AUTO, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 592 |
{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_INT, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 593 |
{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLE, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 594 |
{"simplemmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 595 |
{"libmpeg2mmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_LIBMPEG2MMX, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 596 |
{"ps2", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_PS2, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 597 |
{"mlib", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_MLIB, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 598 |
{"arm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ARM, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 599 |
{"altivec", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_ALTIVEC, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 600 |
{"sh4", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SH4, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 601 |
{"simplearm", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_SIMPLEARM, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 602 |
{"h264", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_H264, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 603 |
{"vp3", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_VP3, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 604 |
{"ipp", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_IPP, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 605 |
{"xvidmmx", NULL, 0, FF_OPT_TYPE_CONST, FF_IDCT_XVIDMMX, INT_MIN, INT_MAX, V|E|D, "idct"},
|
| 606 |
{"slice_count", NULL, OFFSET(slice_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 607 |
{"ec", NULL, OFFSET(error_concealment), FF_OPT_TYPE_FLAGS, 3, INT_MIN, INT_MAX, V|D, "ec"},
|
| 608 |
{"guess_mvs", NULL, 0, FF_OPT_TYPE_CONST, FF_EC_GUESS_MVS, INT_MIN, INT_MAX, V|D, "ec"},
|
| 609 |
{"deblock", NULL, 0, FF_OPT_TYPE_CONST, FF_EC_DEBLOCK, INT_MIN, INT_MAX, V|D, "ec"},
|
| 610 |
{"bits_per_sample", NULL, OFFSET(bits_per_sample), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 611 |
{"pred", "prediction method", OFFSET(prediction_method), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "pred"},
|
| 612 |
{"left", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_LEFT, INT_MIN, INT_MAX, V|E, "pred"},
|
| 613 |
{"plane", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_PLANE, INT_MIN, INT_MAX, V|E, "pred"},
|
| 614 |
{"median", NULL, 0, FF_OPT_TYPE_CONST, FF_PRED_MEDIAN, INT_MIN, INT_MAX, V|E, "pred"},
|
| 615 |
{"aspect", NULL, OFFSET(sample_aspect_ratio), FF_OPT_TYPE_RATIONAL, DEFAULT, 0, 10, V|E},
|
| 616 |
{"debug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, DEFAULT, 0, INT_MAX, V|A|S|E|D, "debug"},
|
| 617 |
{"pict", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PICT_INFO, INT_MIN, INT_MAX, V|D, "debug"},
|
| 618 |
{"rc", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_RC, INT_MIN, INT_MAX, V|E, "debug"},
|
| 619 |
{"bitstream", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BITSTREAM, INT_MIN, INT_MAX, V|D, "debug"},
|
| 620 |
{"mb_type", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
|
| 621 |
{"qp", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_QP, INT_MIN, INT_MAX, V|D, "debug"},
|
| 622 |
{"mv", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_MV, INT_MIN, INT_MAX, V|D, "debug"},
|
| 623 |
{"dct_coeff", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_DCT_COEFF, INT_MIN, INT_MAX, V|D, "debug"},
|
| 624 |
{"skip", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_SKIP, INT_MIN, INT_MAX, V|D, "debug"},
|
| 625 |
{"startcode", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_STARTCODE, INT_MIN, INT_MAX, V|D, "debug"},
|
| 626 |
{"pts", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_PTS, INT_MIN, INT_MAX, V|D, "debug"},
|
| 627 |
{"er", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_ER, INT_MIN, INT_MAX, V|D, "debug"},
|
| 628 |
{"mmco", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_MMCO, INT_MIN, INT_MAX, V|D, "debug"},
|
| 629 |
{"bugs", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_BUGS, INT_MIN, INT_MAX, V|D, "debug"},
|
| 630 |
{"vis_qp", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_QP, INT_MIN, INT_MAX, V|D, "debug"},
|
| 631 |
{"vis_mb_type", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MB_TYPE, INT_MIN, INT_MAX, V|D, "debug"},
|
| 632 |
{"vismv", "visualize motion vectors", OFFSET(debug_mv), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, V|D, "debug_mv"},
|
| 633 |
{"pf", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_P_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
|
| 634 |
{"bf", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_FOR, INT_MIN, INT_MAX, V|D, "debug_mv"},
|
| 635 |
{"bb", NULL, 0, FF_OPT_TYPE_CONST, FF_DEBUG_VIS_MV_B_BACK, INT_MIN, INT_MAX, V|D, "debug_mv"},
|
| 636 |
{"mb_qmin", NULL, OFFSET(mb_qmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 637 |
{"mb_qmax", NULL, OFFSET(mb_qmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 638 |
{"cmp", "full pel me compare function", OFFSET(me_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 639 |
{"subcmp", "sub pel me compare function", OFFSET(me_sub_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 640 |
{"mbcmp", "macroblock compare function", OFFSET(mb_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 641 |
{"ildctcmp", "interlaced dct compare function", OFFSET(ildct_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 642 |
{"dia_size", NULL, OFFSET(dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 643 |
{"last_pred", NULL, OFFSET(last_predictor_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 644 |
{"preme", NULL, OFFSET(pre_me), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 645 |
{"precmp", "pre motion estimation compare function", OFFSET(me_pre_cmp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 646 |
{"sad", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 647 |
{"sse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 648 |
{"satd", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_SATD, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 649 |
{"dct", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCT, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 650 |
{"psnr", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_PSNR, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 651 |
{"bit", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_BIT, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 652 |
{"rd", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_RD, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 653 |
{"zero", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_ZERO, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 654 |
{"vsad", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_VSAD, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 655 |
{"vsse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_VSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 656 |
{"nsse", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_NSSE, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 657 |
{"w53", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_W53, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 658 |
{"w97", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_W97, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 659 |
{"dctmax", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 660 |
{"chroma", NULL, 0, FF_OPT_TYPE_CONST, FF_CMP_CHROMA, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 661 |
{"pre_dia_size", NULL, OFFSET(pre_dia_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 662 |
{"subq", "sub pel motion estimation quality", OFFSET(me_subpel_quality), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 663 |
{"dtg_active_format", NULL, OFFSET(dtg_active_format), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 664 |
{"me_range", NULL, OFFSET(me_range), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 665 |
{"ibias", NULL, OFFSET(intra_quant_bias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 666 |
{"pbias", NULL, OFFSET(inter_quant_bias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 667 |
{"color_table_id", NULL, OFFSET(color_table_id), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 668 |
{"internal_buffer_count", NULL, OFFSET(internal_buffer_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 669 |
{"global_quality", NULL, OFFSET(global_quality), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 670 |
{"coder", NULL, OFFSET(coder_type), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "coder"},
|
| 671 |
{"vlc", "variable length coder / huffman coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_VLC, INT_MIN, INT_MAX, V|E, "coder"},
|
| 672 |
{"ac", "arithmetic coder", 0, FF_OPT_TYPE_CONST, FF_CODER_TYPE_AC, INT_MIN, INT_MAX, V|E, "coder"},
|
| 673 |
{"context", "context model", OFFSET(context_model), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 674 |
{"slice_flags", NULL, OFFSET(slice_flags), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 675 |
{"xvmc_acceleration", NULL, OFFSET(xvmc_acceleration), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 676 |
{"mbd", NULL, OFFSET(mb_decision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E, "mbd"},
|
| 677 |
{"simple", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_SIMPLE, INT_MIN, INT_MAX, V|E, "mbd"},
|
| 678 |
{"bits", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_BITS, INT_MIN, INT_MAX, V|E, "mbd"},
|
| 679 |
{"rd", NULL, 0, FF_OPT_TYPE_CONST, FF_MB_DECISION_RD, INT_MIN, INT_MAX, V|E, "mbd"},
|
| 680 |
{"stream_codec_tag", NULL, OFFSET(stream_codec_tag), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 681 |
{"sc_threshold", NULL, OFFSET(scenechange_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 682 |
{"lmin", "min lagrange factor", OFFSET(lmin), FF_OPT_TYPE_INT, 2*FF_QP2LAMBDA, 0, INT_MAX, V|E},
|
| 683 |
{"lmax", "max lagrange factor", OFFSET(lmax), FF_OPT_TYPE_INT, 31*FF_QP2LAMBDA, 0, INT_MAX, V|E},
|
| 684 |
{"nr", "noise reduction", OFFSET(noise_reduction), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 685 |
{"rc_init_occupancy", NULL, OFFSET(rc_initial_buffer_occupancy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 686 |
{"inter_threshold", NULL, OFFSET(inter_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 687 |
{"flags2", NULL, OFFSET(flags2), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|A|E|D, "flags2"},
|
| 688 |
{"error_rate", NULL, OFFSET(error_rate), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 689 |
{"antialias", NULL, OFFSET(antialias_algo), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D, "aa"},
|
| 690 |
{"auto", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_AUTO, INT_MIN, INT_MAX, V|D, "aa"},
|
| 691 |
{"fastint", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FASTINT, INT_MIN, INT_MAX, V|D, "aa"},
|
| 692 |
{"int", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_INT, INT_MIN, INT_MAX, V|D, "aa"},
|
| 693 |
{"float", NULL, 0, FF_OPT_TYPE_CONST, FF_AA_FLOAT, INT_MIN, INT_MAX, V|D, "aa"},
|
| 694 |
{"qns", "quantizer noise shaping", OFFSET(quantizer_noise_shaping), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 695 |
{"thread_count", NULL, OFFSET(thread_count), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E|D},
|
| 696 |
{"me_threshold", "motion estimaton threshold", OFFSET(me_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 697 |
{"mb_threshold", NULL, OFFSET(mb_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
|
| 698 |
{"dc", NULL, OFFSET(intra_dc_precision), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 699 |
{"nssew", "nsse weight", OFFSET(nsse_weight), FF_OPT_TYPE_INT, 8, INT_MIN, INT_MAX, V|E},
|
| 700 |
{"skip_top", NULL, OFFSET(skip_top), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
|
| 701 |
{"skip_bottom", NULL, OFFSET(skip_bottom), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
|
| 702 |
{"profile", NULL, OFFSET(profile), FF_OPT_TYPE_INT, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
|
| 703 |
{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_PROFILE_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "profile"},
|
| 704 |
{"level", NULL, OFFSET(level), FF_OPT_TYPE_INT, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
|
| 705 |
{"unknown", NULL, 0, FF_OPT_TYPE_CONST, FF_LEVEL_UNKNOWN, INT_MIN, INT_MAX, V|A|E, "level"},
|
| 706 |
{"lowres", NULL, OFFSET(lowres), FF_OPT_TYPE_INT, 0, 0, INT_MAX, V|D},
|
| 707 |
{"frame_skip_threshold", NULL, OFFSET(frame_skip_threshold), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 708 |
{"frame_skip_factor", NULL, OFFSET(frame_skip_factor), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 709 |
{"frame_skip_exp", NULL, OFFSET(frame_skip_exp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 710 |
{"skipcmp", "frame skip compare function", OFFSET(frame_skip_cmp), FF_OPT_TYPE_INT, FF_CMP_DCTMAX, INT_MIN, INT_MAX, V|E, "cmp_func"},
|
| 711 |
{"border_mask", NULL, OFFSET(border_masking), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 712 |
{"mb_lmin", NULL, OFFSET(mb_lmin), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 713 |
{"mb_lmax", NULL, OFFSET(mb_lmax), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 714 |
{"me_penalty_compensation", NULL, OFFSET(me_penalty_compensation), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 715 |
{"bidir_refine", NULL, OFFSET(bidir_refine), FF_OPT_TYPE_INT, DEFAULT, 0, 4, V|E},
|
| 716 |
{"brd_scale", NULL, OFFSET(brd_scale), FF_OPT_TYPE_INT, DEFAULT, 0, 10, V|E},
|
| 717 |
{"crf", NULL, OFFSET(crf), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 718 |
{"cqp", NULL, OFFSET(cqp), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 719 |
{"keyint_min", NULL, OFFSET(keyint_min), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 720 |
{"refs", NULL, OFFSET(refs), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 721 |
{"chromaoffset", NULL, OFFSET(chromaoffset), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 722 |
{"bframebias", NULL, OFFSET(bframebias), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 723 |
{"trellis", NULL, OFFSET(trellis), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|A|E},
|
| 724 |
{"directpred", NULL, OFFSET(directpred), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 725 |
{"bpyramid", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BPYRAMID, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 726 |
{"wpred", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_WPRED, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 727 |
{"mixed_refs", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_MIXED_REFS, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 728 |
{"8x8dct", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_8X8DCT, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 729 |
{"fastpskip", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_FASTPSKIP, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 730 |
{"aud", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_AUD, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 731 |
{"brdo", NULL, 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_BRDO, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 732 |
{"complexityblur", NULL, OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, DEFAULT, FLT_MIN, FLT_MAX, V|E},
|
| 733 |
{"deblockalpha", NULL, OFFSET(deblockalpha), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 734 |
{"deblockbeta", NULL, OFFSET(deblockbeta), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
|
| 735 |
{"partitions", NULL, OFFSET(partitions), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 736 |
{"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I4X4, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 737 |
{"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_I8X8, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 738 |
{"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P4X4, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 739 |
{"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_P8X8, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 740 |
{"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, X264_PART_B8X8, INT_MIN, INT_MAX, V|E, "partitions"},
|
| 741 |
{"sc_factor", NULL, OFFSET(scenechange_factor), FF_OPT_TYPE_INT, 6, 0, INT_MAX, V|E},
|
| 742 |
{"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, 256, 0, INT_MAX, V|E},
|
| 743 |
{"ivlc", "intra vlc table", 0, FF_OPT_TYPE_CONST, CODEC_FLAG2_INTRA_VLC, INT_MIN, INT_MAX, V|E, "flags2"},
|
| 744 |
{"b_sensitivity", NULL, OFFSET(b_sensitivity), FF_OPT_TYPE_INT, 40, 1, INT_MAX, V|E},
|
| 745 |
{NULL},
|
| 746 |
}; |
| 747 |
|
| 748 |
#undef A
|
| 749 |
#undef V
|
| 750 |
|
| 751 |
static AVClass av_codec_context_class = { "AVCodecContext", context_to_name, options }; |
| 752 |
|
| 753 |
void avcodec_get_context_defaults(AVCodecContext *s){
|
| 754 |
memset(s, 0, sizeof(AVCodecContext)); |
| 755 |
|
| 756 |
s->av_class= &av_codec_context_class; |
| 757 |
s->bit_rate= 800*1000; |
| 758 |
s->bit_rate_tolerance= s->bit_rate*10;
|
| 759 |
s->qmin= 2;
|
| 760 |
s->qmax= 31;
|
| 761 |
s->mb_lmin= FF_QP2LAMBDA * 2;
|
| 762 |
s->mb_lmax= FF_QP2LAMBDA * 31;
|
| 763 |
s->rc_eq= "tex^qComp";
|
| 764 |
s->cqp = -1;
|
| 765 |
s->refs = 1;
|
| 766 |
s->directpred = 2;
|
| 767 |
s->qcompress= 0.5; |
| 768 |
s->complexityblur = 20.0; |
| 769 |
s->keyint_min = 25;
|
| 770 |
s->flags2 = CODEC_FLAG2_FASTPSKIP; |
| 771 |
s->max_qdiff= 3;
|
| 772 |
s->b_quant_factor=1.25; |
| 773 |
s->b_quant_offset=1.25; |
| 774 |
s->i_quant_factor=-0.8; |
| 775 |
s->i_quant_offset=0.0; |
| 776 |
s->error_concealment= 3;
|
| 777 |
s->error_resilience= 1;
|
| 778 |
s->workaround_bugs= FF_BUG_AUTODETECT; |
| 779 |
s->time_base= (AVRational){0,1};
|
| 780 |
s->gop_size= 50;
|
| 781 |
s->me_method= ME_EPZS; |
| 782 |
s->get_buffer= avcodec_default_get_buffer; |
| 783 |
s->release_buffer= avcodec_default_release_buffer; |
| 784 |
s->get_format= avcodec_default_get_format; |
| 785 |
s->execute= avcodec_default_execute; |
| 786 |
s->thread_count=1;
|
| 787 |
s->me_subpel_quality=8;
|
| 788 |
s->lmin= FF_QP2LAMBDA * s->qmin; |
| 789 |
s->lmax= FF_QP2LAMBDA * s->qmax; |
| 790 |
s->sample_aspect_ratio= (AVRational){0,1};
|
| 791 |
s->ildct_cmp= FF_CMP_VSAD; |
| 792 |
s->profile= FF_PROFILE_UNKNOWN; |
| 793 |
s->level= FF_LEVEL_UNKNOWN; |
| 794 |
s->me_penalty_compensation= 256;
|
| 795 |
s->pix_fmt= PIX_FMT_NONE; |
| 796 |
s->frame_skip_cmp= FF_CMP_DCTMAX; |
| 797 |
s->nsse_weight= 8;
|
| 798 |
s->sample_fmt= SAMPLE_FMT_S16; // FIXME: set to NONE
|
| 799 |
s->mv0_threshold= 256;
|
| 800 |
s->b_sensitivity= 40;
|
| 801 |
|
| 802 |
s->intra_quant_bias= FF_DEFAULT_QUANT_BIAS; |
| 803 |
s->inter_quant_bias= FF_DEFAULT_QUANT_BIAS; |
| 804 |
s->palctrl = NULL;
|
| 805 |
s->reget_buffer= avcodec_default_reget_buffer; |
| 806 |
} |
| 807 |
|
| 808 |
/**
|
| 809 |
* allocates a AVCodecContext and set it to defaults.
|
| 810 |
* this can be deallocated by simply calling free()
|
| 811 |
*/
|
| 812 |
AVCodecContext *avcodec_alloc_context(void){
|
| 813 |
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
|
| 814 |
|
| 815 |
if(avctx==NULL) return NULL; |
| 816 |
|
| 817 |
avcodec_get_context_defaults(avctx); |
| 818 |
|
| 819 |
return avctx;
|
| 820 |
} |
| 821 |
|
| 822 |
void avcodec_get_frame_defaults(AVFrame *pic){
|
| 823 |
memset(pic, 0, sizeof(AVFrame)); |
| 824 |
|
| 825 |
pic->pts= AV_NOPTS_VALUE; |
| 826 |
pic->key_frame= 1;
|
| 827 |
} |
| 828 |
|
| 829 |
/**
|
| 830 |
* allocates a AVPFrame and set it to defaults.
|
| 831 |
* this can be deallocated by simply calling free()
|
| 832 |
*/
|
| 833 |
AVFrame *avcodec_alloc_frame(void){
|
| 834 |
AVFrame *pic= av_malloc(sizeof(AVFrame));
|
| 835 |
|
| 836 |
if(pic==NULL) return NULL; |
| 837 |
|
| 838 |
avcodec_get_frame_defaults(pic); |
| 839 |
|
| 840 |
return pic;
|
| 841 |
} |
| 842 |
|
| 843 |
int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
|
| 844 |
{
|
| 845 |
int ret= -1; |
| 846 |
|
| 847 |
entangled_thread_counter++; |
| 848 |
if(entangled_thread_counter != 1){ |
| 849 |
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
|
| 850 |
goto end;
|
| 851 |
} |
| 852 |
|
| 853 |
if(avctx->codec)
|
| 854 |
goto end;
|
| 855 |
|
| 856 |
if (codec->priv_data_size > 0) { |
| 857 |
avctx->priv_data = av_mallocz(codec->priv_data_size); |
| 858 |
if (!avctx->priv_data)
|
| 859 |
goto end;
|
| 860 |
} else {
|
| 861 |
avctx->priv_data = NULL;
|
| 862 |
} |
| 863 |
|
| 864 |
if(avctx->coded_width && avctx->coded_height)
|
| 865 |
avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height); |
| 866 |
else if(avctx->width && avctx->height) |
| 867 |
avcodec_set_dimensions(avctx, avctx->width, avctx->height); |
| 868 |
|
| 869 |
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
|
| 870 |
av_freep(&avctx->priv_data); |
| 871 |
goto end;
|
| 872 |
} |
| 873 |
|
| 874 |
avctx->codec = codec; |
| 875 |
avctx->codec_id = codec->id; |
| 876 |
avctx->frame_number = 0;
|
| 877 |
ret = avctx->codec->init(avctx); |
| 878 |
if (ret < 0) { |
| 879 |
av_freep(&avctx->priv_data); |
| 880 |
avctx->codec= NULL;
|
| 881 |
goto end;
|
| 882 |
} |
| 883 |
ret=0;
|
| 884 |
end:
|
| 885 |
entangled_thread_counter--; |
| 886 |
return ret;
|
| 887 |
} |
| 888 |
|
| 889 |
int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, |
| 890 |
const short *samples) |
| 891 |
{
|
| 892 |
if(buf_size < FF_MIN_BUFFER_SIZE && 0){ |
| 893 |
av_log(avctx, AV_LOG_ERROR, "buffer smaller then minimum size\n");
|
| 894 |
return -1; |
| 895 |
} |
| 896 |
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
|
| 897 |
int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)samples); |
| 898 |
avctx->frame_number++; |
| 899 |
return ret;
|
| 900 |
}else
|
| 901 |
return 0; |
| 902 |
} |
| 903 |
|
| 904 |
int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size, |
| 905 |
const AVFrame *pict)
|
| 906 |
{
|
| 907 |
if(buf_size < FF_MIN_BUFFER_SIZE){
|
| 908 |
av_log(avctx, AV_LOG_ERROR, "buffer smaller then minimum size\n");
|
| 909 |
return -1; |
| 910 |
} |
| 911 |
if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
|
| 912 |
return -1; |
| 913 |
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
|
| 914 |
int ret = avctx->codec->encode(avctx, buf, buf_size, (void *)pict); |
| 915 |
avctx->frame_number++; |
| 916 |
emms_c(); //needed to avoid an emms_c() call before every return;
|
| 917 |
|
| 918 |
return ret;
|
| 919 |
}else
|
| 920 |
return 0; |
| 921 |
} |
| 922 |
|
| 923 |
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, |
| 924 |
const AVSubtitle *sub)
|
| 925 |
{
|
| 926 |
int ret;
|
| 927 |
ret = avctx->codec->encode(avctx, buf, buf_size, (void *)sub);
|
| 928 |
avctx->frame_number++; |
| 929 |
return ret;
|
| 930 |
} |
| 931 |
|
| 932 |
/**
|
| 933 |
* decode a frame.
|
| 934 |
* @param buf bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE larger then the actual read bytes
|
| 935 |
* because some optimized bitstream readers read 32 or 64 bit at once and could read over the end
|
| 936 |
* @param buf_size the size of the buffer in bytes
|
| 937 |
* @param got_picture_ptr zero if no frame could be decompressed, Otherwise, it is non zero
|
| 938 |
* @return -1 if error, otherwise return the number of
|
| 939 |
* bytes used.
|
| 940 |
*/
|
| 941 |
int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
|
| 942 |
int *got_picture_ptr,
|
| 943 |
uint8_t *buf, int buf_size)
|
| 944 |
{
|
| 945 |
int ret;
|
| 946 |
|
| 947 |
*got_picture_ptr= 0;
|
| 948 |
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
|
| 949 |
return -1; |
| 950 |
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
|
| 951 |
ret = avctx->codec->decode(avctx, picture, got_picture_ptr, |
| 952 |
buf, buf_size); |
| 953 |
|
| 954 |
emms_c(); //needed to avoid an emms_c() call before every return;
|
| 955 |
|
| 956 |
if (*got_picture_ptr)
|
| 957 |
avctx->frame_number++; |
| 958 |
}else
|
| 959 |
ret= 0;
|
| 960 |
|
| 961 |
return ret;
|
| 962 |
} |
| 963 |
|
| 964 |
/* decode an audio frame. return -1 if error, otherwise return the
|
| 965 |
*number of bytes used. If no frame could be decompressed,
|
| 966 |
*frame_size_ptr is zero. Otherwise, it is the decompressed frame
|
| 967 |
*size in BYTES. */
|
| 968 |
int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
|
| 969 |
int *frame_size_ptr,
|
| 970 |
uint8_t *buf, int buf_size)
|
| 971 |
{
|
| 972 |
int ret;
|
| 973 |
|
| 974 |
*frame_size_ptr= 0;
|
| 975 |
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
|
| 976 |
ret = avctx->codec->decode(avctx, samples, frame_size_ptr, |
| 977 |
buf, buf_size); |
| 978 |
avctx->frame_number++; |
| 979 |
}else
|
| 980 |
ret= 0;
|
| 981 |
return ret;
|
| 982 |
} |
| 983 |
|
| 984 |
/* decode a subtitle message. return -1 if error, otherwise return the
|
| 985 |
*number of bytes used. If no subtitle could be decompressed,
|
| 986 |
*got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. */
|
| 987 |
int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
|
| 988 |
int *got_sub_ptr,
|
| 989 |
const uint8_t *buf, int buf_size) |
| 990 |
{
|
| 991 |
int ret;
|
| 992 |
|
| 993 |
*got_sub_ptr = 0;
|
| 994 |
ret = avctx->codec->decode(avctx, sub, got_sub_ptr, |
| 995 |
(uint8_t *)buf, buf_size); |
| 996 |
if (*got_sub_ptr)
|
| 997 |
avctx->frame_number++; |
| 998 |
return ret;
|
| 999 |
} |
| 1000 |
|
| 1001 |
int avcodec_close(AVCodecContext *avctx)
|
| 1002 |
{
|
| 1003 |
entangled_thread_counter++; |
| 1004 |
if(entangled_thread_counter != 1){ |
| 1005 |
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
|
| 1006 |
entangled_thread_counter--; |
| 1007 |
return -1; |
| 1008 |
} |
| 1009 |
|
| 1010 |
if (avctx->codec->close)
|
| 1011 |
avctx->codec->close(avctx); |
| 1012 |
avcodec_default_free_buffers(avctx); |
| 1013 |
av_freep(&avctx->priv_data); |
| 1014 |
avctx->codec = NULL;
|
| 1015 |
entangled_thread_counter--; |
| 1016 |
return 0; |
| 1017 |
} |
| 1018 |
|
| 1019 |
AVCodec *avcodec_find_encoder(enum CodecID id)
|
| 1020 |
{
|
| 1021 |
AVCodec *p; |
| 1022 |
p = first_avcodec; |
| 1023 |
while (p) {
|
| 1024 |
if (p->encode != NULL && p->id == id) |
| 1025 |
return p;
|
| 1026 |
p = p->next; |
| 1027 |
} |
| 1028 |
return NULL; |
| 1029 |
} |
| 1030 |
|
| 1031 |
AVCodec *avcodec_find_encoder_by_name(const char *name) |
| 1032 |
{
|
| 1033 |
AVCodec *p; |
| 1034 |
p = first_avcodec; |
| 1035 |
while (p) {
|
| 1036 |
if (p->encode != NULL && strcmp(name,p->name) == 0) |
| 1037 |
return p;
|
| 1038 |
p = p->next; |
| 1039 |
} |
| 1040 |
return NULL; |
| 1041 |
} |
| 1042 |
|
| 1043 |
AVCodec *avcodec_find_decoder(enum CodecID id)
|
| 1044 |
{
|
| 1045 |
AVCodec *p; |
| 1046 |
p = first_avcodec; |
| 1047 |
while (p) {
|
| 1048 |
if (p->decode != NULL && p->id == id) |
| 1049 |
return p;
|
| 1050 |
p = p->next; |
| 1051 |
} |
| 1052 |
return NULL; |
| 1053 |
} |
| 1054 |
|
| 1055 |
AVCodec *avcodec_find_decoder_by_name(const char *name) |
| 1056 |
{
|
| 1057 |
AVCodec *p; |
| 1058 |
p = first_avcodec; |
| 1059 |
while (p) {
|
| 1060 |
if (p->decode != NULL && strcmp(name,p->name) == 0) |
| 1061 |
return p;
|
| 1062 |
p = p->next; |
| 1063 |
} |
| 1064 |
return NULL; |
| 1065 |
} |
| 1066 |
|
| 1067 |
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) |
| 1068 |
{
|
| 1069 |
const char *codec_name; |
| 1070 |
AVCodec *p; |
| 1071 |
char buf1[32]; |
| 1072 |
char channels_str[100]; |
| 1073 |
int bitrate;
|
| 1074 |
|
| 1075 |
if (encode)
|
| 1076 |
p = avcodec_find_encoder(enc->codec_id); |
| 1077 |
else
|
| 1078 |
p = avcodec_find_decoder(enc->codec_id); |
| 1079 |
|
| 1080 |
if (p) {
|
| 1081 |
codec_name = p->name; |
| 1082 |
if (!encode && enc->codec_id == CODEC_ID_MP3) {
|
| 1083 |
if (enc->sub_id == 2) |
| 1084 |
codec_name = "mp2";
|
| 1085 |
else if (enc->sub_id == 1) |
| 1086 |
codec_name = "mp1";
|
| 1087 |
} |
| 1088 |
} else if (enc->codec_id == CODEC_ID_MPEG2TS) { |
| 1089 |
/* fake mpeg2 transport stream codec (currently not
|
| 1090 |
registered) */
|
| 1091 |
codec_name = "mpeg2ts";
|
| 1092 |
} else if (enc->codec_name[0] != '\0') { |
| 1093 |
codec_name = enc->codec_name; |
| 1094 |
} else {
|
| 1095 |
/* output avi tags */
|
| 1096 |
if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF) |
| 1097 |
&& isprint((enc->codec_tag>>16)&0xFF) && isprint((enc->codec_tag>>24)&0xFF)){ |
| 1098 |
snprintf(buf1, sizeof(buf1), "%c%c%c%c / 0x%04X", |
| 1099 |
enc->codec_tag & 0xff,
|
| 1100 |
(enc->codec_tag >> 8) & 0xff, |
| 1101 |
(enc->codec_tag >> 16) & 0xff, |
| 1102 |
(enc->codec_tag >> 24) & 0xff, |
| 1103 |
enc->codec_tag); |
| 1104 |
} else {
|
| 1105 |
snprintf(buf1, sizeof(buf1), "0x%04x", enc->codec_tag); |
| 1106 |
} |
| 1107 |
codec_name = buf1; |
| 1108 |
} |
| 1109 |
|
| 1110 |
switch(enc->codec_type) {
|
| 1111 |
case CODEC_TYPE_VIDEO:
|
| 1112 |
snprintf(buf, buf_size, |
| 1113 |
"Video: %s%s",
|
| 1114 |
codec_name, enc->mb_decision ? " (hq)" : ""); |
| 1115 |
if (enc->pix_fmt != PIX_FMT_NONE) {
|
| 1116 |
snprintf(buf + strlen(buf), buf_size - strlen(buf), |
| 1117 |
", %s",
|
| 1118 |
avcodec_get_pix_fmt_name(enc->pix_fmt)); |
| 1119 |
} |
| 1120 |
if (enc->width) {
|
| 1121 |
snprintf(buf + strlen(buf), buf_size - strlen(buf), |
| 1122 |
", %dx%d",
|
| 1123 |
enc->width, enc->height); |
| 1124 |
if(av_log_get_level() >= AV_LOG_DEBUG){
|
| 1125 |
int g= ff_gcd(enc->time_base.num, enc->time_base.den);
|
| 1126 |
snprintf(buf + strlen(buf), buf_size - strlen(buf), |
| 1127 |
", %d/%d",
|
| 1128 |
enc->time_base.num/g, enc->time_base.den/g); |
| 1129 |
} |
| 1130 |
} |
| 1131 |
if (encode) {
|
| 1132 |
snprintf(buf + strlen(buf), buf_size - strlen(buf), |
| 1133 |
", q=%d-%d", enc->qmin, enc->qmax);
|
| 1134 |
} |
| 1135 |
bitrate = enc->bit_rate; |
| 1136 |
break;
|
| 1137 |
case CODEC_TYPE_AUDIO:
|
| 1138 |
snprintf(buf, buf_size, |
| 1139 |
"Audio: %s",
|
| 1140 |
codec_name); |
| 1141 |
switch (enc->channels) {
|
| 1142 |
case 1: |
| 1143 |
strcpy(channels_str, "mono");
|
| 1144 |
break;
|
| 1145 |
case 2: |
| 1146 |
strcpy(channels_str, "stereo");
|
| 1147 |
break;
|
| 1148 |
case 6: |
| 1149 |
strcpy(channels_str, "5:1");
|
| 1150 |
break;
|
| 1151 |
default:
|
| 1152 |
snprintf(channels_str, sizeof(channels_str), "%d channels", enc->channels); |
| 1153 |
break;
|
| 1154 |
} |
| 1155 |
if (enc->sample_rate) {
|
| 1156 |
snprintf(buf + strlen(buf), buf_size - strlen(buf), |
| 1157 |
", %d Hz, %s",
|
| 1158 |
enc->sample_rate, |
| 1159 |
channels_str); |
| 1160 |
} |
| 1161 |
|
| 1162 |
/* for PCM codecs, compute bitrate directly */
|
| 1163 |
switch(enc->codec_id) {
|
| 1164 |
case CODEC_ID_PCM_S32LE:
|
| 1165 |
case CODEC_ID_PCM_S32BE:
|
| 1166 |
case CODEC_ID_PCM_U32LE:
|
| 1167 |
case CODEC_ID_PCM_U32BE:
|
| 1168 |
bitrate = enc->sample_rate * enc->channels * 32;
|
| 1169 |
break;
|
| 1170 |
case CODEC_ID_PCM_S24LE:
|
| 1171 |
case CODEC_ID_PCM_S24BE:
|
| 1172 |
case CODEC_ID_PCM_U24LE:
|
| 1173 |
case CODEC_ID_PCM_U24BE:
|
| 1174 |
case CODEC_ID_PCM_S24DAUD:
|
| 1175 |
bitrate = enc->sample_rate * enc->channels * 24;
|
| 1176 |
break;
|
| 1177 |
case CODEC_ID_PCM_S16LE:
|
| 1178 |
case CODEC_ID_PCM_S16BE:
|
| 1179 |
case CODEC_ID_PCM_U16LE:
|
| 1180 |
case CODEC_ID_PCM_U16BE:
|
| 1181 |
bitrate = enc->sample_rate * enc->channels * 16;
|
| 1182 |
break;
|
| 1183 |
case CODEC_ID_PCM_S8:
|
| 1184 |
case CODEC_ID_PCM_U8:
|
| 1185 |
case CODEC_ID_PCM_ALAW:
|
| 1186 |
case CODEC_ID_PCM_MULAW:
|
| 1187 |
bitrate = enc->sample_rate * enc->channels * 8;
|
| 1188 |
break;
|
| 1189 |
default:
|
| 1190 |
bitrate = enc->bit_rate; |
| 1191 |
break;
|
| 1192 |
} |
| 1193 |
break;
|
| 1194 |
case CODEC_TYPE_DATA:
|
| 1195 |
snprintf(buf, buf_size, "Data: %s", codec_name);
|
| 1196 |
bitrate = enc->bit_rate; |
| 1197 |
break;
|
| 1198 |
case CODEC_TYPE_SUBTITLE:
|
| 1199 |
snprintf(buf, buf_size, "Subtitle: %s", codec_name);
|
| 1200 |
bitrate = enc->bit_rate; |
| 1201 |
break;
|
| 1202 |
default:
|
| 1203 |
snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
|
| 1204 |
return;
|
| 1205 |
} |
| 1206 |
if (encode) {
|
| 1207 |
if (enc->flags & CODEC_FLAG_PASS1)
|
| 1208 |
snprintf(buf + strlen(buf), buf_size - strlen(buf), |
| 1209 |
", pass 1");
|
| 1210 |
if (enc->flags & CODEC_FLAG_PASS2)
|
| 1211 |
snprintf(buf + strlen(buf), buf_size - strlen(buf), |
| 1212 |
", pass 2");
|
| 1213 |
} |
| 1214 |
if (bitrate != 0) { |
| 1215 |
snprintf(buf + strlen(buf), buf_size - strlen(buf), |
| 1216 |
", %d kb/s", bitrate / 1000); |
| 1217 |
} |
| 1218 |
} |
| 1219 |
|
| 1220 |
unsigned avcodec_version( void ) |
| 1221 |
{
|
| 1222 |
return LIBAVCODEC_VERSION_INT;
|
| 1223 |
} |
| 1224 |
|
| 1225 |
unsigned avcodec_build( void ) |
| 1226 |
{
|
| 1227 |
return LIBAVCODEC_BUILD;
|
| 1228 |
} |
| 1229 |
|
| 1230 |
static void init_crcs(void){ |
| 1231 |
av_crc04C11DB7= av_mallocz_static(sizeof(AVCRC) * 257); |
| 1232 |
av_crc8005 = av_mallocz_static(sizeof(AVCRC) * 257); |
| 1233 |
av_crc07 = av_mallocz_static(sizeof(AVCRC) * 257); |
| 1234 |
av_crc_init(av_crc04C11DB7, 0, 32, 0x04c11db7, sizeof(AVCRC)*257); |
| 1235 |
av_crc_init(av_crc8005 , 0, 16, 0x8005 , sizeof(AVCRC)*257); |
| 1236 |
av_crc_init(av_crc07 , 0, 8, 0x07 , sizeof(AVCRC)*257); |
| 1237 |
} |
| 1238 |
|
| 1239 |
/* must be called before any other functions */
|
| 1240 |
void avcodec_init(void) |
| 1241 |
{
|
| 1242 |
static int inited = 0; |
| 1243 |
|
| 1244 |
if (inited != 0) |
| 1245 |
return;
|
| 1246 |
inited = 1;
|
| 1247 |
|
| 1248 |
dsputil_static_init(); |
| 1249 |
init_crcs(); |
| 1250 |
} |
| 1251 |
|
| 1252 |
/**
|
| 1253 |
* Flush buffers, should be called when seeking or when swicthing to a different stream.
|
| 1254 |
*/
|
| 1255 |
void avcodec_flush_buffers(AVCodecContext *avctx)
|
| 1256 |
{
|
| 1257 |
if(avctx->codec->flush)
|
| 1258 |
avctx->codec->flush(avctx); |
| 1259 |
} |
| 1260 |
|
| 1261 |
void avcodec_default_free_buffers(AVCodecContext *s){
|
| 1262 |
int i, j;
|
| 1263 |
|
| 1264 |
if(s->internal_buffer==NULL) return; |
| 1265 |
|
| 1266 |
for(i=0; i<INTERNAL_BUFFER_SIZE; i++){ |
| 1267 |
InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i]; |
| 1268 |
for(j=0; j<4; j++){ |
| 1269 |
av_freep(&buf->base[j]); |
| 1270 |
buf->data[j]= NULL;
|
| 1271 |
} |
| 1272 |
} |
| 1273 |
av_freep(&s->internal_buffer); |
| 1274 |
|
| 1275 |
s->internal_buffer_count=0;
|
| 1276 |
} |
| 1277 |
|
| 1278 |
char av_get_pict_type_char(int pict_type){ |
| 1279 |
switch(pict_type){
|
| 1280 |
case I_TYPE: return 'I'; |
| 1281 |
case P_TYPE: return 'P'; |
| 1282 |
case B_TYPE: return 'B'; |
| 1283 |
case S_TYPE: return 'S'; |
| 1284 |
case SI_TYPE:return 'i'; |
| 1285 |
case SP_TYPE:return 'p'; |
| 1286 |
default: return '?'; |
| 1287 |
} |
| 1288 |
} |
| 1289 |
|
| 1290 |
/* av_log API */
|
| 1291 |
|
| 1292 |
static int av_log_level = AV_LOG_INFO; |
| 1293 |
|
| 1294 |
static void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl) |
| 1295 |
{
|
| 1296 |
static int print_prefix=1; |
| 1297 |
AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
|
| 1298 |
if(level>av_log_level)
|
| 1299 |
return;
|
| 1300 |
#undef fprintf
|
| 1301 |
if(print_prefix && avc) {
|
| 1302 |
fprintf(stderr, "[%s @ %p]", avc->item_name(ptr), avc);
|
| 1303 |
} |
| 1304 |
#define fprintf please_use_av_log
|
| 1305 |
|
| 1306 |
print_prefix= strstr(fmt, "\n") != NULL; |
| 1307 |
|
| 1308 |
vfprintf(stderr, fmt, vl); |
| 1309 |
} |
| 1310 |
|
| 1311 |
static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback; |
| 1312 |
|
| 1313 |
void av_log(void* avcl, int level, const char *fmt, ...) |
| 1314 |
{
|
| 1315 |
va_list vl; |
| 1316 |
va_start(vl, fmt); |
| 1317 |
av_vlog(avcl, level, fmt, vl); |
| 1318 |
va_end(vl); |
| 1319 |
} |
| 1320 |
|
| 1321 |
void av_vlog(void* avcl, int level, const char *fmt, va_list vl) |
| 1322 |
{
|
| 1323 |
av_log_callback(avcl, level, fmt, vl); |
| 1324 |
} |
| 1325 |
|
| 1326 |
int av_log_get_level(void) |
| 1327 |
{
|
| 1328 |
return av_log_level;
|
| 1329 |
} |
| 1330 |
|
| 1331 |
void av_log_set_level(int level) |
| 1332 |
{
|
| 1333 |
av_log_level = level; |
| 1334 |
} |
| 1335 |
|
| 1336 |
void av_log_set_callback(void (*callback)(void*, int, const char*, va_list)) |
| 1337 |
{
|
| 1338 |
av_log_callback = callback; |
| 1339 |
} |
| 1340 |
|
| 1341 |
#if !defined(HAVE_THREADS)
|
| 1342 |
int avcodec_thread_init(AVCodecContext *s, int thread_count){ |
| 1343 |
return -1; |
| 1344 |
} |
| 1345 |
#endif
|
| 1346 |
|
| 1347 |
unsigned int av_xiphlacing(unsigned char *s, unsigned int v) |
| 1348 |
{
|
| 1349 |
unsigned int n = 0; |
| 1350 |
|
| 1351 |
while(v >= 0xff) { |
| 1352 |
*s++ = 0xff;
|
| 1353 |
v -= 0xff;
|
| 1354 |
n++; |
| 1355 |
} |
| 1356 |
*s = v; |
| 1357 |
n++; |
| 1358 |
return n;
|
| 1359 |
} |
| 1360 |
|
| 1361 |
/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
|
| 1362 |
* Also, tries to create file in /tmp first, if possible.
|
| 1363 |
* *prefix can be a character constant; *filename will be allocated internally.
|
| 1364 |
* Returns file descriptor of opened file (or -1 on error)
|
| 1365 |
* and opened file name in **filename. */
|
| 1366 |
int av_tempfile(char *prefix, char **filename) { |
| 1367 |
int fd=-1; |
| 1368 |
#ifdef CONFIG_WIN32
|
| 1369 |
*filename = tempnam(".", prefix);
|
| 1370 |
#else
|
| 1371 |
size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */ |
| 1372 |
*filename = av_malloc(len); |
| 1373 |
#endif
|
| 1374 |
/* -----common section-----*/
|
| 1375 |
if (*filename == NULL) { |
| 1376 |
av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n"); |
| 1377 |
return -1; |
| 1378 |
} |
| 1379 |
#ifdef CONFIG_WIN32
|
| 1380 |
fd = open(*filename, _O_RDWR | _O_BINARY | _O_CREAT, 0444);
|
| 1381 |
#else
|
| 1382 |
snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
|
| 1383 |
fd = mkstemp(*filename); |
| 1384 |
if (fd < 0) { |
| 1385 |
snprintf(*filename, len, "./%sXXXXXX", prefix);
|
| 1386 |
fd = mkstemp(*filename); |
| 1387 |
} |
| 1388 |
#endif
|
| 1389 |
/* -----common section-----*/
|
| 1390 |
if (fd < 0) { |
| 1391 |
av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename); |
| 1392 |
return -1; |
| 1393 |
} |
| 1394 |
return fd; /* success */ |
| 1395 |
} |