2001-07-22 14:18:56 +00:00
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/*
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* utils for libavcodec
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2009-01-19 15:46:40 +00:00
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* Copyright (c) 2001 Fabrice Bellard
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2004-01-10 16:04:55 +00:00
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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2001-07-22 14:18:56 +00:00
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*
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2006-10-07 15:30:46 +00:00
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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2002-05-25 22:45:33 +00:00
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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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2006-10-07 15:30:46 +00:00
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* version 2.1 of the License, or (at your option) any later version.
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2001-07-22 14:18:56 +00:00
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*
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2006-10-07 15:30:46 +00:00
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* FFmpeg is distributed in the hope that it will be useful,
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2001-07-22 14:18:56 +00:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2002-05-25 22:45:33 +00:00
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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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2001-07-22 14:18:56 +00:00
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*
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2002-05-25 22:45:33 +00:00
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* You should have received a copy of the GNU Lesser General Public
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2006-10-07 15:30:46 +00:00
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* License along with FFmpeg; if not, write to the Free Software
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2006-01-12 22:43:26 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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2001-07-22 14:18:56 +00:00
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*/
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2005-12-17 18:14:38 +00:00
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2003-03-06 11:32:04 +00:00
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/**
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2009-02-01 02:00:19 +00:00
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* @file libavcodec/utils.c
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2003-03-06 11:32:04 +00:00
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* utils.
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*/
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2005-12-17 18:14:38 +00:00
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2008-08-14 22:01:59 +00:00
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/* needed for mkstemp() */
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2008-09-29 06:22:12 +00:00
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#define _XOPEN_SOURCE 600
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2008-08-14 22:01:59 +00:00
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2008-11-05 23:28:41 +00:00
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#include "libavutil/avstring.h"
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2008-05-09 11:56:36 +00:00
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#include "libavutil/integer.h"
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#include "libavutil/crc.h"
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2001-07-22 14:18:56 +00:00
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#include "avcodec.h"
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2002-05-18 22:59:50 +00:00
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#include "dsputil.h"
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2005-09-12 18:24:48 +00:00
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#include "opt.h"
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2008-02-15 20:23:49 +00:00
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#include "imgconvert.h"
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2008-07-31 12:56:56 +00:00
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#include "audioconvert.h"
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2009-01-16 16:20:42 +00:00
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#include "internal.h"
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2008-08-14 22:01:59 +00:00
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#include <stdlib.h>
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2003-11-03 13:26:22 +00:00
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#include <stdarg.h>
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2004-05-04 02:58:30 +00:00
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#include <limits.h>
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2005-09-06 12:51:56 +00:00
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#include <float.h>
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2009-01-13 23:44:16 +00:00
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#if !HAVE_MKSTEMP
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2006-03-30 04:33:05 +00:00
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#include <fcntl.h>
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#endif
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2001-07-22 14:18:56 +00:00
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2005-05-07 19:24:07 +00:00
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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,
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0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
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0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
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0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
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0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
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0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
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0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
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0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
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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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2005-07-25 14:35:01 +00:00
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static int volatile entangled_thread_counter=0;
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2003-02-10 09:35:32 +00:00
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void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
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2003-01-23 23:03:09 +00:00
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{
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2005-12-17 18:14:38 +00:00
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if(min_size < *size)
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2003-01-23 23:03:09 +00:00
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return ptr;
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2005-12-17 18:14:38 +00:00
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2005-01-12 00:16:25 +00:00
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*size= FFMAX(17*min_size/16 + 32, min_size);
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2003-01-23 23:03:09 +00:00
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2008-03-25 10:15:17 +00:00
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ptr= av_realloc(ptr, *size);
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if(!ptr) //we could set this to the unmodified min_size but this is safer if the user lost the ptr and uses NULL now
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*size= 0;
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return ptr;
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2003-01-23 23:03:09 +00:00
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}
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2001-07-22 14:18:56 +00:00
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/* encoder management */
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2008-10-04 09:29:31 +00:00
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static AVCodec *first_avcodec = NULL;
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2001-07-22 14:18:56 +00:00
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2007-12-12 18:40:11 +00:00
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AVCodec *av_codec_next(AVCodec *c){
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if(c) return c->next;
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else return first_avcodec;
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}
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2009-02-06 23:46:15 +00:00
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void avcodec_register(AVCodec *codec)
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2001-07-22 14:18:56 +00:00
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{
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AVCodec **p;
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2008-12-14 20:04:00 +00:00
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avcodec_init();
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2001-07-22 14:18:56 +00:00
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p = &first_avcodec;
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while (*p != NULL) p = &(*p)->next;
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2008-12-14 19:36:38 +00:00
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*p = codec;
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codec->next = NULL;
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2001-07-22 14:18:56 +00:00
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}
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2009-02-06 23:54:50 +00:00
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#if LIBAVCODEC_VERSION_MAJOR < 53
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2009-02-06 23:46:15 +00:00
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void register_avcodec(AVCodec *codec)
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{
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avcodec_register(codec);
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}
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2009-02-06 23:54:50 +00:00
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#endif
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2009-02-06 23:46:15 +00:00
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2004-09-27 11:50:56 +00:00
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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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2003-04-25 00:29:48 +00:00
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typedef struct InternalBuffer{
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2002-12-04 10:04:03 +00:00
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int last_pic_num;
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2003-04-25 00:29:48 +00:00
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uint8_t *base[4];
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2002-12-04 10:04:03 +00:00
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uint8_t *data[4];
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2003-10-30 21:05:00 +00:00
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int linesize[4];
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2007-08-10 19:28:28 +00:00
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int width, height;
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enum PixelFormat pix_fmt;
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2003-04-25 00:29:48 +00:00
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}InternalBuffer;
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#define INTERNAL_BUFFER_SIZE 32
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2002-12-04 10:04:03 +00:00
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2003-10-15 21:59:08 +00:00
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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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2005-12-17 18:14:38 +00:00
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int w_align= 1;
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int h_align= 1;
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2003-10-15 21:59:08 +00:00
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switch(s->pix_fmt){
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case PIX_FMT_YUV420P:
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2007-02-07 01:48:09 +00:00
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case PIX_FMT_YUYV422:
|
2004-07-25 10:01:36 +00:00
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case PIX_FMT_UYVY422:
|
2003-10-15 21:59:08 +00:00
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case PIX_FMT_YUV422P:
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case PIX_FMT_YUV444P:
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case PIX_FMT_GRAY8:
|
2006-10-24 04:57:43 +00:00
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case PIX_FMT_GRAY16BE:
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case PIX_FMT_GRAY16LE:
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2003-10-15 21:59:08 +00:00
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case PIX_FMT_YUVJ420P:
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case PIX_FMT_YUVJ422P:
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case PIX_FMT_YUVJ444P:
|
2007-09-24 13:21:41 +00:00
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case PIX_FMT_YUVA420P:
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2003-10-15 21:59:08 +00:00
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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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2007-02-07 01:48:09 +00:00
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case PIX_FMT_UYYVYY411:
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2003-10-15 21:59:08 +00:00
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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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}
|
2004-06-27 11:07:05 +00:00
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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:
|
2009-02-06 12:59:50 +00:00
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case PIX_FMT_BGR8:
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case PIX_FMT_RGB8:
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2004-06-27 11:07:05 +00:00
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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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}
|
2003-10-15 21:59:08 +00:00
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break;
|
2005-01-09 23:39:32 +00:00
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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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2003-10-15 21:59:08 +00:00
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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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2008-09-30 01:45:53 +00:00
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if(s->codec_id == CODEC_ID_H264)
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*height+=2; // some of the optimized chroma MC reads one line too much
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2003-10-15 21:59:08 +00:00
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}
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2005-01-12 00:16:25 +00:00
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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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2005-12-17 18:14:38 +00:00
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2005-01-12 00:16:25 +00:00
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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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|
2002-12-09 12:03:43 +00:00
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int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
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2002-12-04 10:04:03 +00:00
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int i;
|
2003-10-15 21:59:08 +00:00
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int w= s->width;
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int h= s->height;
|
2003-04-25 00:29:48 +00:00
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InternalBuffer *buf;
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2003-10-30 21:05:00 +00:00
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int *picture_number;
|
2005-01-12 00:16:25 +00:00
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|
2007-02-01 09:45:05 +00:00
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if(pic->data[0]!=NULL) {
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av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
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return -1;
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}
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|
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if(s->internal_buffer_count >= INTERNAL_BUFFER_SIZE) {
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|
av_log(s, AV_LOG_ERROR, "internal_buffer_count overflow (missing release_buffer?)\n");
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|
return -1;
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}
|
2002-12-04 10:04:03 +00:00
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|
2005-01-12 00:16:25 +00:00
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if(avcodec_check_dimensions(s,w,h))
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|
return -1;
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|
2003-04-25 00:29:48 +00:00
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|
|
if(s->internal_buffer==NULL){
|
2008-07-19 00:32:15 +00:00
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s->internal_buffer= av_mallocz((INTERNAL_BUFFER_SIZE+1)*sizeof(InternalBuffer));
|
2003-04-25 00:29:48 +00:00
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}
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|
|
|
#if 0
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|
s->internal_buffer= av_fast_realloc(
|
2005-12-17 18:14:38 +00:00
|
|
|
s->internal_buffer,
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|
&s->internal_buffer_size,
|
2003-04-25 00:29:48 +00:00
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sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/
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);
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|
#endif
|
2005-12-17 18:14:38 +00:00
|
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|
2003-04-25 00:29:48 +00:00
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|
buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count];
|
2008-07-19 00:32:15 +00:00
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|
picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE]).last_pic_num; //FIXME ugly hack
|
2003-10-30 21:05:00 +00:00
|
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|
(*picture_number)++;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2007-08-10 19:28:28 +00:00
|
|
|
if(buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)){
|
|
|
|
for(i=0; i<4; i++){
|
|
|
|
av_freep(&buf->base[i]);
|
|
|
|
buf->data[i]= NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-04-25 00:29:48 +00:00
|
|
|
if(buf->base[0]){
|
2003-10-30 21:05:00 +00:00
|
|
|
pic->age= *picture_number - buf->last_pic_num;
|
|
|
|
buf->last_pic_num= *picture_number;
|
2002-12-04 10:04:03 +00:00
|
|
|
}else{
|
2003-10-15 21:59:08 +00:00
|
|
|
int h_chroma_shift, v_chroma_shift;
|
2008-02-15 20:23:49 +00:00
|
|
|
int size[4] = {0};
|
|
|
|
int tmpsize;
|
2005-12-02 00:12:37 +00:00
|
|
|
AVPicture picture;
|
2008-09-30 01:07:25 +00:00
|
|
|
int stride_align[4];
|
2005-12-02 00:12:37 +00:00
|
|
|
|
2002-12-04 10:04:03 +00:00
|
|
|
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
|
2003-10-15 21:59:08 +00:00
|
|
|
|
|
|
|
avcodec_align_dimensions(s, &w, &h);
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2002-12-04 10:04:03 +00:00
|
|
|
if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
|
|
|
|
w+= EDGE_WIDTH*2;
|
|
|
|
h+= EDGE_WIDTH*2;
|
|
|
|
}
|
2007-05-12 00:31:48 +00:00
|
|
|
|
2008-02-15 20:23:49 +00:00
|
|
|
ff_fill_linesize(&picture, s->pix_fmt, w);
|
|
|
|
|
2008-09-30 01:07:25 +00:00
|
|
|
for (i=0; i<4; i++){
|
|
|
|
//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
|
|
|
|
//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
|
|
|
|
//picture size unneccessarily in some cases. The solution here is not
|
|
|
|
//pretty and better ideas are welcome!
|
2009-01-13 23:44:16 +00:00
|
|
|
#if HAVE_MMX
|
2008-09-30 01:07:25 +00:00
|
|
|
if(s->codec_id == CODEC_ID_SVQ1)
|
|
|
|
stride_align[i]= 16;
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
stride_align[i] = STRIDE_ALIGN;
|
|
|
|
picture.linesize[i] = ALIGN(picture.linesize[i], stride_align[i]);
|
|
|
|
}
|
2008-02-15 20:23:49 +00:00
|
|
|
|
|
|
|
tmpsize = ff_fill_pointer(&picture, NULL, s->pix_fmt, h);
|
2009-02-23 15:18:28 +00:00
|
|
|
if (tmpsize < 0)
|
|
|
|
return -1;
|
2008-02-15 20:23:49 +00:00
|
|
|
|
|
|
|
for (i=0; i<3 && picture.data[i+1]; i++)
|
|
|
|
size[i] = picture.data[i+1] - picture.data[i];
|
2008-02-24 07:47:02 +00:00
|
|
|
size[i] = tmpsize - (picture.data[i] - picture.data[0]);
|
2005-12-02 00:12:37 +00:00
|
|
|
|
2003-04-25 00:29:48 +00:00
|
|
|
buf->last_pic_num= -256*256*256*64;
|
2005-12-02 00:12:37 +00:00
|
|
|
memset(buf->base, 0, sizeof(buf->base));
|
|
|
|
memset(buf->data, 0, sizeof(buf->data));
|
2002-12-04 10:04:03 +00:00
|
|
|
|
2007-09-24 13:21:41 +00:00
|
|
|
for(i=0; i<4 && size[i]; i++){
|
2003-04-02 10:18:29 +00:00
|
|
|
const int h_shift= i==0 ? 0 : h_chroma_shift;
|
|
|
|
const int v_shift= i==0 ? 0 : v_chroma_shift;
|
2002-12-04 10:04:03 +00:00
|
|
|
|
2005-12-02 00:12:37 +00:00
|
|
|
buf->linesize[i]= picture.linesize[i];
|
2002-12-04 10:04:03 +00:00
|
|
|
|
2005-12-02 00:12:37 +00:00
|
|
|
buf->base[i]= av_malloc(size[i]+16); //FIXME 16
|
2003-04-25 00:29:48 +00:00
|
|
|
if(buf->base[i]==NULL) return -1;
|
2005-12-02 00:12:37 +00:00
|
|
|
memset(buf->base[i], 128, size[i]);
|
|
|
|
|
2009-02-06 12:59:50 +00:00
|
|
|
// no edge if EDEG EMU or not planar YUV
|
|
|
|
if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2])
|
2003-04-25 00:29:48 +00:00
|
|
|
buf->data[i] = buf->base[i];
|
2002-12-04 10:04:03 +00:00
|
|
|
else
|
2008-09-30 01:07:25 +00:00
|
|
|
buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]);
|
2002-12-04 10:04:03 +00:00
|
|
|
}
|
2009-02-06 12:59:50 +00:00
|
|
|
if(size[1] && !size[2])
|
|
|
|
ff_set_systematic_pal((uint32_t*)buf->data[1], s->pix_fmt);
|
2007-08-10 19:28:28 +00:00
|
|
|
buf->width = s->width;
|
|
|
|
buf->height = s->height;
|
|
|
|
buf->pix_fmt= s->pix_fmt;
|
2002-12-04 10:04:03 +00:00
|
|
|
pic->age= 256*256*256*64;
|
|
|
|
}
|
2003-10-30 21:05:00 +00:00
|
|
|
pic->type= FF_BUFFER_TYPE_INTERNAL;
|
2002-12-04 10:04:03 +00:00
|
|
|
|
2003-04-25 00:29:48 +00:00
|
|
|
for(i=0; i<4; i++){
|
|
|
|
pic->base[i]= buf->base[i];
|
|
|
|
pic->data[i]= buf->data[i];
|
2003-10-30 21:05:00 +00:00
|
|
|
pic->linesize[i]= buf->linesize[i];
|
2003-04-25 00:29:48 +00:00
|
|
|
}
|
|
|
|
s->internal_buffer_count++;
|
|
|
|
|
2008-08-20 23:11:26 +00:00
|
|
|
pic->reordered_opaque= s->reordered_opaque;
|
|
|
|
|
2008-07-26 01:57:10 +00:00
|
|
|
if(s->debug&FF_DEBUG_BUFFERS)
|
|
|
|
av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count);
|
|
|
|
|
2002-12-04 10:04:03 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2002-12-09 12:03:43 +00:00
|
|
|
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
|
2002-12-04 10:04:03 +00:00
|
|
|
int i;
|
2007-02-21 23:46:25 +00:00
|
|
|
InternalBuffer *buf, *last;
|
2003-04-25 00:29:48 +00:00
|
|
|
|
2002-12-09 00:29:17 +00:00
|
|
|
assert(pic->type==FF_BUFFER_TYPE_INTERNAL);
|
2003-08-05 10:19:43 +00:00
|
|
|
assert(s->internal_buffer_count);
|
2003-04-25 00:29:48 +00:00
|
|
|
|
2003-09-09 22:59:16 +00:00
|
|
|
buf = NULL; /* avoids warning */
|
2003-04-25 00:29:48 +00:00
|
|
|
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];
|
|
|
|
|
2007-02-21 23:46:25 +00:00
|
|
|
FFSWAP(InternalBuffer, *buf, *last);
|
2003-04-25 00:29:48 +00:00
|
|
|
|
2007-09-24 13:21:41 +00:00
|
|
|
for(i=0; i<4; i++){
|
2002-12-04 10:04:03 +00:00
|
|
|
pic->data[i]=NULL;
|
2003-04-25 00:29:48 +00:00
|
|
|
// pic->base[i]=NULL;
|
|
|
|
}
|
2002-12-04 10:04:03 +00:00
|
|
|
//printf("R%X\n", pic->opaque);
|
2008-07-26 01:57:10 +00:00
|
|
|
|
|
|
|
if(s->debug&FF_DEBUG_BUFFERS)
|
|
|
|
av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count);
|
2002-12-04 10:04:03 +00:00
|
|
|
}
|
|
|
|
|
2003-11-26 20:57:15 +00:00
|
|
|
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 */
|
2007-03-04 11:53:11 +00:00
|
|
|
av_picture_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
|
2003-11-26 20:57:15 +00:00
|
|
|
s->height);
|
|
|
|
s->release_buffer(s, &temp_pic); // Release old frame
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-11-12 17:47:23 +00:00
|
|
|
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size){
|
2004-02-13 17:54:10 +00:00
|
|
|
int i;
|
|
|
|
|
|
|
|
for(i=0; i<count; i++){
|
2008-11-12 17:47:23 +00:00
|
|
|
int r= func(c, (char*)arg + i*size);
|
2004-02-13 17:54:10 +00:00
|
|
|
if(ret) ret[i]= r;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-02-23 13:35:52 +00:00
|
|
|
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt){
|
|
|
|
while (*fmt != PIX_FMT_NONE && ff_is_hwaccel_pix_fmt(*fmt))
|
|
|
|
++fmt;
|
2003-01-12 00:48:29 +00:00
|
|
|
return fmt[0];
|
|
|
|
}
|
|
|
|
|
2004-02-25 17:35:52 +00:00
|
|
|
void avcodec_get_frame_defaults(AVFrame *pic){
|
|
|
|
memset(pic, 0, sizeof(AVFrame));
|
|
|
|
|
|
|
|
pic->pts= AV_NOPTS_VALUE;
|
2005-02-01 18:36:51 +00:00
|
|
|
pic->key_frame= 1;
|
2004-02-25 17:35:52 +00:00
|
|
|
}
|
|
|
|
|
2002-12-09 12:03:43 +00:00
|
|
|
AVFrame *avcodec_alloc_frame(void){
|
2004-02-25 17:35:52 +00:00
|
|
|
AVFrame *pic= av_malloc(sizeof(AVFrame));
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-02-25 17:35:52 +00:00
|
|
|
if(pic==NULL) return NULL;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-02-25 17:35:52 +00:00
|
|
|
avcodec_get_frame_defaults(pic);
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2002-12-04 10:04:03 +00:00
|
|
|
return pic;
|
|
|
|
}
|
|
|
|
|
2007-08-13 15:28:29 +00:00
|
|
|
int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
|
2001-07-22 14:18:56 +00:00
|
|
|
{
|
2005-07-25 14:35:01 +00:00
|
|
|
int ret= -1;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2005-07-25 14:35:01 +00:00
|
|
|
entangled_thread_counter++;
|
|
|
|
if(entangled_thread_counter != 1){
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
|
|
|
|
goto end;
|
|
|
|
}
|
2001-07-22 14:18:56 +00:00
|
|
|
|
2007-12-25 15:36:12 +00:00
|
|
|
if(avctx->codec || !codec)
|
2005-07-25 14:35:01 +00:00
|
|
|
goto end;
|
2003-09-10 08:20:14 +00:00
|
|
|
|
2002-05-09 01:24:27 +00:00
|
|
|
if (codec->priv_data_size > 0) {
|
|
|
|
avctx->priv_data = av_mallocz(codec->priv_data_size);
|
2007-07-20 15:08:10 +00:00
|
|
|
if (!avctx->priv_data) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
2005-07-25 14:35:01 +00:00
|
|
|
goto end;
|
2007-07-20 15:08:10 +00:00
|
|
|
}
|
2002-05-09 01:24:27 +00:00
|
|
|
} else {
|
|
|
|
avctx->priv_data = NULL;
|
|
|
|
}
|
2004-09-27 11:50:56 +00:00
|
|
|
|
|
|
|
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);
|
|
|
|
|
2005-01-12 00:16:25 +00:00
|
|
|
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
|
|
|
|
av_freep(&avctx->priv_data);
|
2007-07-20 15:09:10 +00:00
|
|
|
ret = AVERROR(EINVAL);
|
2005-07-25 14:35:01 +00:00
|
|
|
goto end;
|
2005-01-12 00:16:25 +00:00
|
|
|
}
|
|
|
|
|
2006-03-03 20:36:08 +00:00
|
|
|
avctx->codec = codec;
|
|
|
|
avctx->codec_id = codec->id;
|
|
|
|
avctx->frame_number = 0;
|
2007-04-01 16:13:24 +00:00
|
|
|
if(avctx->codec->init){
|
2007-04-01 16:14:19 +00:00
|
|
|
ret = avctx->codec->init(avctx);
|
|
|
|
if (ret < 0) {
|
|
|
|
av_freep(&avctx->priv_data);
|
|
|
|
avctx->codec= NULL;
|
|
|
|
goto end;
|
|
|
|
}
|
2007-04-01 16:13:24 +00:00
|
|
|
}
|
2005-07-25 14:35:01 +00:00
|
|
|
ret=0;
|
|
|
|
end:
|
|
|
|
entangled_thread_counter--;
|
|
|
|
return ret;
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
|
|
|
|
2007-08-13 15:28:29 +00:00
|
|
|
int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
|
2001-07-22 14:18:56 +00:00
|
|
|
const short *samples)
|
|
|
|
{
|
2005-01-12 00:16:25 +00:00
|
|
|
if(buf_size < FF_MIN_BUFFER_SIZE && 0){
|
2007-02-15 12:57:51 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
|
2005-01-12 00:16:25 +00:00
|
|
|
return -1;
|
|
|
|
}
|
2004-06-22 21:14:01 +00:00
|
|
|
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){
|
2009-02-08 06:03:10 +00:00
|
|
|
int ret = avctx->codec->encode(avctx, buf, buf_size, samples);
|
2004-06-22 21:14:01 +00:00
|
|
|
avctx->frame_number++;
|
|
|
|
return ret;
|
|
|
|
}else
|
|
|
|
return 0;
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
|
|
|
|
2007-08-13 15:28:29 +00:00
|
|
|
int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
|
2002-12-09 12:03:43 +00:00
|
|
|
const AVFrame *pict)
|
2001-07-22 14:18:56 +00:00
|
|
|
{
|
2005-01-12 00:16:25 +00:00
|
|
|
if(buf_size < FF_MIN_BUFFER_SIZE){
|
2007-02-15 12:57:51 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
|
2005-01-12 00:16:25 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
|
|
|
|
return -1;
|
2004-06-22 21:14:01 +00:00
|
|
|
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
|
2009-02-08 06:03:10 +00:00
|
|
|
int ret = avctx->codec->encode(avctx, buf, buf_size, pict);
|
2004-06-22 21:14:01 +00:00
|
|
|
avctx->frame_number++;
|
2005-06-17 15:02:53 +00:00
|
|
|
emms_c(); //needed to avoid an emms_c() call before every return;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-06-22 21:14:01 +00:00
|
|
|
return ret;
|
|
|
|
}else
|
|
|
|
return 0;
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
|
|
|
|
2005-12-17 18:14:38 +00:00
|
|
|
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
|
2005-06-03 13:59:38 +00:00
|
|
|
const AVSubtitle *sub)
|
|
|
|
{
|
|
|
|
int ret;
|
2009-02-09 01:51:36 +00:00
|
|
|
if(sub->start_display_time) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2009-02-09 01:58:01 +00:00
|
|
|
if(sub->num_rects == 0 || !sub->rects)
|
|
|
|
return -1;
|
2009-02-08 06:03:10 +00:00
|
|
|
ret = avctx->codec->encode(avctx, buf, buf_size, sub);
|
2005-06-03 13:59:38 +00:00
|
|
|
avctx->frame_number++;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2007-08-13 15:28:29 +00:00
|
|
|
int attribute_align_arg avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
|
2001-07-22 14:18:56 +00:00
|
|
|
int *got_picture_ptr,
|
2008-02-02 22:54:50 +00:00
|
|
|
const uint8_t *buf, int buf_size)
|
2001-07-22 14:18:56 +00:00
|
|
|
{
|
|
|
|
int ret;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-05-21 14:37:16 +00:00
|
|
|
*got_picture_ptr= 0;
|
2005-01-12 00:16:25 +00:00
|
|
|
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
|
|
|
|
return -1;
|
2005-01-23 18:09:06 +00:00
|
|
|
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
|
2005-12-17 18:14:38 +00:00
|
|
|
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
|
2005-01-23 18:09:06 +00:00
|
|
|
buf, buf_size);
|
2002-10-31 12:11:53 +00:00
|
|
|
|
2005-06-17 15:02:53 +00:00
|
|
|
emms_c(); //needed to avoid an emms_c() call before every return;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
|
|
|
if (*got_picture_ptr)
|
2005-01-23 18:09:06 +00:00
|
|
|
avctx->frame_number++;
|
|
|
|
}else
|
|
|
|
ret= 0;
|
|
|
|
|
2001-07-22 14:18:56 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2007-08-13 15:28:29 +00:00
|
|
|
int attribute_align_arg avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
|
2001-07-22 14:18:56 +00:00
|
|
|
int *frame_size_ptr,
|
2008-02-02 22:54:50 +00:00
|
|
|
const uint8_t *buf, int buf_size)
|
2001-07-22 14:18:56 +00:00
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
2005-07-14 15:30:39 +00:00
|
|
|
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){
|
2007-02-23 00:47:21 +00:00
|
|
|
//FIXME remove the check below _after_ ensuring that all audio check that the available space is enough
|
|
|
|
if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if(*frame_size_ptr < FF_MIN_BUFFER_SIZE ||
|
2007-09-24 16:50:32 +00:00
|
|
|
*frame_size_ptr < avctx->channels * avctx->frame_size * sizeof(int16_t)){
|
2007-02-23 00:47:21 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "buffer %d too small\n", *frame_size_ptr);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2005-12-17 18:14:38 +00:00
|
|
|
ret = avctx->codec->decode(avctx, samples, frame_size_ptr,
|
2005-07-14 15:30:39 +00:00
|
|
|
buf, buf_size);
|
|
|
|
avctx->frame_number++;
|
2007-01-14 23:50:06 +00:00
|
|
|
}else{
|
2005-07-14 15:30:39 +00:00
|
|
|
ret= 0;
|
2007-01-14 23:50:06 +00:00
|
|
|
*frame_size_ptr=0;
|
|
|
|
}
|
2001-07-22 14:18:56 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2005-06-03 13:59:38 +00:00
|
|
|
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;
|
2005-12-17 18:14:38 +00:00
|
|
|
ret = avctx->codec->decode(avctx, sub, got_sub_ptr,
|
2008-02-01 03:29:43 +00:00
|
|
|
buf, buf_size);
|
2005-06-03 13:59:38 +00:00
|
|
|
if (*got_sub_ptr)
|
|
|
|
avctx->frame_number++;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2001-07-22 14:18:56 +00:00
|
|
|
int avcodec_close(AVCodecContext *avctx)
|
|
|
|
{
|
2005-07-25 14:35:01 +00:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2009-01-14 17:19:17 +00:00
|
|
|
if (HAVE_THREADS && avctx->thread_opaque)
|
2007-07-06 15:24:08 +00:00
|
|
|
avcodec_thread_free(avctx);
|
2001-07-22 14:18:56 +00:00
|
|
|
if (avctx->codec->close)
|
|
|
|
avctx->codec->close(avctx);
|
2004-04-30 17:42:58 +00:00
|
|
|
avcodec_default_free_buffers(avctx);
|
2002-05-18 22:59:50 +00:00
|
|
|
av_freep(&avctx->priv_data);
|
2001-07-22 14:18:56 +00:00
|
|
|
avctx->codec = NULL;
|
2005-07-25 14:35:01 +00:00
|
|
|
entangled_thread_counter--;
|
2001-07-22 14:18:56 +00:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2001-12-23 22:25:18 +00:00
|
|
|
AVCodec *avcodec_find_encoder_by_name(const char *name)
|
|
|
|
{
|
|
|
|
AVCodec *p;
|
2008-10-08 17:19:26 +00:00
|
|
|
if (!name)
|
|
|
|
return NULL;
|
2001-12-23 22:25:18 +00:00
|
|
|
p = first_avcodec;
|
|
|
|
while (p) {
|
|
|
|
if (p->encode != NULL && strcmp(name,p->name) == 0)
|
|
|
|
return p;
|
|
|
|
p = p->next;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2001-07-22 14:18:56 +00:00
|
|
|
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;
|
2008-10-08 17:19:26 +00:00
|
|
|
if (!name)
|
|
|
|
return NULL;
|
2001-07-22 14:18:56 +00:00
|
|
|
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];
|
2001-09-23 17:16:51 +00:00
|
|
|
int bitrate;
|
2007-10-18 14:01:20 +00:00
|
|
|
AVRational display_aspect_ratio;
|
2001-07-22 14:18:56 +00:00
|
|
|
|
|
|
|
if (encode)
|
|
|
|
p = avcodec_find_encoder(enc->codec_id);
|
|
|
|
else
|
|
|
|
p = avcodec_find_decoder(enc->codec_id);
|
|
|
|
|
|
|
|
if (p) {
|
|
|
|
codec_name = p->name;
|
2003-10-29 14:08:18 +00:00
|
|
|
} else if (enc->codec_id == CODEC_ID_MPEG2TS) {
|
|
|
|
/* fake mpeg2 transport stream codec (currently not
|
|
|
|
registered) */
|
|
|
|
codec_name = "mpeg2ts";
|
2001-07-22 14:18:56 +00:00
|
|
|
} else if (enc->codec_name[0] != '\0') {
|
|
|
|
codec_name = enc->codec_name;
|
|
|
|
} else {
|
|
|
|
/* output avi tags */
|
2005-12-17 18:14:38 +00:00
|
|
|
if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF)
|
2005-09-03 20:36:24 +00:00
|
|
|
&& isprint((enc->codec_tag>>16)&0xFF) && isprint((enc->codec_tag>>24)&0xFF)){
|
2005-12-17 18:14:38 +00:00
|
|
|
snprintf(buf1, sizeof(buf1), "%c%c%c%c / 0x%04X",
|
2001-07-22 14:18:56 +00:00
|
|
|
enc->codec_tag & 0xff,
|
|
|
|
(enc->codec_tag >> 8) & 0xff,
|
|
|
|
(enc->codec_tag >> 16) & 0xff,
|
2005-09-03 20:36:24 +00:00
|
|
|
(enc->codec_tag >> 24) & 0xff,
|
|
|
|
enc->codec_tag);
|
2001-07-22 14:18:56 +00:00
|
|
|
} 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",
|
2003-07-29 02:09:12 +00:00
|
|
|
codec_name, enc->mb_decision ? " (hq)" : "");
|
2005-04-25 18:41:38 +00:00
|
|
|
if (enc->pix_fmt != PIX_FMT_NONE) {
|
2001-08-11 19:04:31 +00:00
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
", %s",
|
2003-01-11 00:07:06 +00:00
|
|
|
avcodec_get_pix_fmt_name(enc->pix_fmt));
|
2001-08-11 19:04:31 +00:00
|
|
|
}
|
2001-07-22 14:18:56 +00:00
|
|
|
if (enc->width) {
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
2005-09-18 14:45:17 +00:00
|
|
|
", %dx%d",
|
|
|
|
enc->width, enc->height);
|
2008-03-06 23:09:16 +00:00
|
|
|
if (enc->sample_aspect_ratio.num) {
|
2008-03-06 23:10:47 +00:00
|
|
|
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
|
|
|
|
enc->width*enc->sample_aspect_ratio.num,
|
|
|
|
enc->height*enc->sample_aspect_ratio.den,
|
|
|
|
1024*1024);
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
" [PAR %d:%d DAR %d:%d]",
|
|
|
|
enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
|
|
|
|
display_aspect_ratio.num, display_aspect_ratio.den);
|
2008-03-06 23:09:16 +00:00
|
|
|
}
|
2007-12-12 21:48:50 +00:00
|
|
|
if(av_log_get_level() >= AV_LOG_DEBUG){
|
2009-01-17 11:13:33 +00:00
|
|
|
int g= av_gcd(enc->time_base.num, enc->time_base.den);
|
2005-09-18 14:45:17 +00:00
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
", %d/%d",
|
|
|
|
enc->time_base.num/g, enc->time_base.den/g);
|
|
|
|
}
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
2002-10-10 17:12:55 +00:00
|
|
|
if (encode) {
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
", q=%d-%d", enc->qmin, enc->qmax);
|
|
|
|
}
|
2001-09-23 17:16:51 +00:00
|
|
|
bitrate = enc->bit_rate;
|
2001-07-22 14:18:56 +00:00
|
|
|
break;
|
|
|
|
case CODEC_TYPE_AUDIO:
|
|
|
|
snprintf(buf, buf_size,
|
|
|
|
"Audio: %s",
|
|
|
|
codec_name);
|
|
|
|
if (enc->sample_rate) {
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
2008-11-01 05:03:42 +00:00
|
|
|
", %d Hz", enc->sample_rate);
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
2008-11-01 05:03:42 +00:00
|
|
|
av_strlcat(buf, ", ", buf_size);
|
|
|
|
avcodec_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
|
2008-07-31 12:56:56 +00:00
|
|
|
if (enc->sample_fmt != SAMPLE_FMT_NONE) {
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
", %s", avcodec_get_sample_fmt_name(enc->sample_fmt));
|
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2001-09-23 17:16:51 +00:00
|
|
|
/* for PCM codecs, compute bitrate directly */
|
|
|
|
switch(enc->codec_id) {
|
2008-08-19 10:43:47 +00:00
|
|
|
case CODEC_ID_PCM_F64BE:
|
|
|
|
case CODEC_ID_PCM_F64LE:
|
|
|
|
bitrate = enc->sample_rate * enc->channels * 64;
|
|
|
|
break;
|
2005-09-02 19:16:48 +00:00
|
|
|
case CODEC_ID_PCM_S32LE:
|
|
|
|
case CODEC_ID_PCM_S32BE:
|
|
|
|
case CODEC_ID_PCM_U32LE:
|
|
|
|
case CODEC_ID_PCM_U32BE:
|
2008-07-26 07:08:15 +00:00
|
|
|
case CODEC_ID_PCM_F32BE:
|
2008-08-19 10:43:47 +00:00
|
|
|
case CODEC_ID_PCM_F32LE:
|
2005-09-02 19:16:48 +00:00
|
|
|
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;
|
2001-09-23 17:16:51 +00:00
|
|
|
case CODEC_ID_PCM_S16LE:
|
|
|
|
case CODEC_ID_PCM_S16BE:
|
2007-11-25 16:32:47 +00:00
|
|
|
case CODEC_ID_PCM_S16LE_PLANAR:
|
2001-09-23 17:16:51 +00:00
|
|
|
case CODEC_ID_PCM_U16LE:
|
|
|
|
case CODEC_ID_PCM_U16BE:
|
2001-09-24 23:29:46 +00:00
|
|
|
bitrate = enc->sample_rate * enc->channels * 16;
|
2001-09-23 17:16:51 +00:00
|
|
|
break;
|
|
|
|
case CODEC_ID_PCM_S8:
|
|
|
|
case CODEC_ID_PCM_U8:
|
|
|
|
case CODEC_ID_PCM_ALAW:
|
|
|
|
case CODEC_ID_PCM_MULAW:
|
2008-08-04 07:40:07 +00:00
|
|
|
case CODEC_ID_PCM_ZORK:
|
2001-09-24 23:29:46 +00:00
|
|
|
bitrate = enc->sample_rate * enc->channels * 8;
|
2001-09-23 17:16:51 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
bitrate = enc->bit_rate;
|
|
|
|
break;
|
|
|
|
}
|
2001-07-22 14:18:56 +00:00
|
|
|
break;
|
2003-10-29 14:08:18 +00:00
|
|
|
case CODEC_TYPE_DATA:
|
|
|
|
snprintf(buf, buf_size, "Data: %s", codec_name);
|
2005-06-03 13:59:38 +00:00
|
|
|
bitrate = enc->bit_rate;
|
|
|
|
break;
|
|
|
|
case CODEC_TYPE_SUBTITLE:
|
|
|
|
snprintf(buf, buf_size, "Subtitle: %s", codec_name);
|
2003-10-29 14:08:18 +00:00
|
|
|
bitrate = enc->bit_rate;
|
|
|
|
break;
|
2008-01-27 15:43:17 +00:00
|
|
|
case CODEC_TYPE_ATTACHMENT:
|
|
|
|
snprintf(buf, buf_size, "Attachment: %s", codec_name);
|
|
|
|
bitrate = enc->bit_rate;
|
|
|
|
break;
|
2001-07-22 14:18:56 +00:00
|
|
|
default:
|
2004-10-01 12:31:11 +00:00
|
|
|
snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
|
|
|
|
return;
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
2002-10-10 17:12:55 +00:00
|
|
|
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");
|
|
|
|
}
|
2001-09-23 17:16:51 +00:00
|
|
|
if (bitrate != 0) {
|
2005-12-17 18:14:38 +00:00
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
2001-09-23 17:16:51 +00:00
|
|
|
", %d kb/s", bitrate / 1000);
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-05-05 09:56:13 +00:00
|
|
|
unsigned avcodec_version( void )
|
|
|
|
{
|
|
|
|
return LIBAVCODEC_VERSION_INT;
|
|
|
|
}
|
2001-08-11 19:04:31 +00:00
|
|
|
|
2001-07-22 14:18:56 +00:00
|
|
|
void avcodec_init(void)
|
|
|
|
{
|
2008-02-13 09:26:10 +00:00
|
|
|
static int initialized = 0;
|
2002-04-01 13:24:47 +00:00
|
|
|
|
2008-02-13 09:26:10 +00:00
|
|
|
if (initialized != 0)
|
2005-12-22 01:10:11 +00:00
|
|
|
return;
|
2008-02-13 09:26:10 +00:00
|
|
|
initialized = 1;
|
2002-04-01 13:24:47 +00:00
|
|
|
|
2006-11-14 03:18:09 +00:00
|
|
|
dsputil_static_init();
|
2001-07-22 14:18:56 +00:00
|
|
|
}
|
|
|
|
|
2002-04-24 01:24:06 +00:00
|
|
|
void avcodec_flush_buffers(AVCodecContext *avctx)
|
|
|
|
{
|
2003-07-17 12:29:07 +00:00
|
|
|
if(avctx->codec->flush)
|
|
|
|
avctx->codec->flush(avctx);
|
2002-04-24 01:24:06 +00:00
|
|
|
}
|
|
|
|
|
2004-09-15 00:35:18 +00:00
|
|
|
void avcodec_default_free_buffers(AVCodecContext *s){
|
2003-04-25 00:29:48 +00:00
|
|
|
int i, j;
|
|
|
|
|
|
|
|
if(s->internal_buffer==NULL) return;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2003-04-25 00:29:48 +00:00
|
|
|
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);
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2003-04-25 00:29:48 +00:00
|
|
|
s->internal_buffer_count=0;
|
|
|
|
}
|
|
|
|
|
2003-05-14 23:08:01 +00:00
|
|
|
char av_get_pict_type_char(int pict_type){
|
|
|
|
switch(pict_type){
|
2008-03-05 00:43:11 +00:00
|
|
|
case FF_I_TYPE: return 'I';
|
|
|
|
case FF_P_TYPE: return 'P';
|
|
|
|
case FF_B_TYPE: return 'B';
|
|
|
|
case FF_S_TYPE: return 'S';
|
|
|
|
case FF_SI_TYPE:return 'i';
|
|
|
|
case FF_SP_TYPE:return 'p';
|
2008-03-05 15:19:26 +00:00
|
|
|
case FF_BI_TYPE:return 'b';
|
2008-03-05 15:15:07 +00:00
|
|
|
default: return '?';
|
2003-05-14 23:08:01 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-07-07 17:50:09 +00:00
|
|
|
int av_get_bits_per_sample(enum CodecID codec_id){
|
|
|
|
switch(codec_id){
|
2006-07-07 22:42:36 +00:00
|
|
|
case CODEC_ID_ADPCM_SBPRO_2:
|
2006-07-08 07:14:00 +00:00
|
|
|
return 2;
|
2006-07-07 22:42:36 +00:00
|
|
|
case CODEC_ID_ADPCM_SBPRO_3:
|
2006-07-08 07:14:00 +00:00
|
|
|
return 3;
|
2006-07-07 22:42:36 +00:00
|
|
|
case CODEC_ID_ADPCM_SBPRO_4:
|
2006-07-08 07:14:00 +00:00
|
|
|
case CODEC_ID_ADPCM_CT:
|
|
|
|
return 4;
|
2006-07-07 17:50:09 +00:00
|
|
|
case CODEC_ID_PCM_ALAW:
|
|
|
|
case CODEC_ID_PCM_MULAW:
|
|
|
|
case CODEC_ID_PCM_S8:
|
|
|
|
case CODEC_ID_PCM_U8:
|
2008-08-04 07:40:07 +00:00
|
|
|
case CODEC_ID_PCM_ZORK:
|
2006-07-07 17:50:09 +00:00
|
|
|
return 8;
|
|
|
|
case CODEC_ID_PCM_S16BE:
|
|
|
|
case CODEC_ID_PCM_S16LE:
|
2007-11-25 16:32:47 +00:00
|
|
|
case CODEC_ID_PCM_S16LE_PLANAR:
|
2006-07-07 17:50:09 +00:00
|
|
|
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:
|
2008-07-26 07:08:15 +00:00
|
|
|
case CODEC_ID_PCM_F32BE:
|
2008-08-19 10:43:47 +00:00
|
|
|
case CODEC_ID_PCM_F32LE:
|
2006-07-07 17:50:09 +00:00
|
|
|
return 32;
|
2008-08-19 10:43:47 +00:00
|
|
|
case CODEC_ID_PCM_F64BE:
|
|
|
|
case CODEC_ID_PCM_F64LE:
|
|
|
|
return 64;
|
2006-07-07 17:50:09 +00:00
|
|
|
default:
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-08-13 05:23:38 +00:00
|
|
|
int av_get_bits_per_sample_format(enum SampleFormat sample_fmt) {
|
|
|
|
switch (sample_fmt) {
|
|
|
|
case SAMPLE_FMT_U8:
|
|
|
|
return 8;
|
|
|
|
case SAMPLE_FMT_S16:
|
|
|
|
return 16;
|
|
|
|
case SAMPLE_FMT_S32:
|
|
|
|
case SAMPLE_FMT_FLT:
|
|
|
|
return 32;
|
2008-08-19 10:36:30 +00:00
|
|
|
case SAMPLE_FMT_DBL:
|
|
|
|
return 64;
|
2007-08-13 05:23:38 +00:00
|
|
|
default:
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-01-13 23:44:16 +00:00
|
|
|
#if !HAVE_THREADS
|
2004-05-10 23:38:53 +00:00
|
|
|
int avcodec_thread_init(AVCodecContext *s, int thread_count){
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
#endif
|
2005-05-13 18:10:23 +00:00
|
|
|
|
|
|
|
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;
|
|
|
|
}
|
2006-03-30 04:33:05 +00:00
|
|
|
|
|
|
|
/* 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;
|
2009-01-13 23:44:16 +00:00
|
|
|
#if !HAVE_MKSTEMP
|
2006-03-30 04:33:05 +00:00
|
|
|
*filename = tempnam(".", prefix);
|
|
|
|
#else
|
|
|
|
size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
|
2006-06-30 05:53:28 +00:00
|
|
|
*filename = av_malloc(len);
|
2006-03-30 04:33:05 +00:00
|
|
|
#endif
|
|
|
|
/* -----common section-----*/
|
|
|
|
if (*filename == NULL) {
|
|
|
|
av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2009-01-13 23:44:16 +00:00
|
|
|
#if !HAVE_MKSTEMP
|
2007-07-11 15:21:24 +00:00
|
|
|
fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
|
2006-03-30 04:33:05 +00:00
|
|
|
#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 */
|
|
|
|
}
|
2007-06-12 08:06:54 +00:00
|
|
|
|
|
|
|
typedef struct {
|
2007-06-21 07:46:48 +00:00
|
|
|
const char *abbr;
|
2007-06-12 08:06:54 +00:00
|
|
|
int width, height;
|
2007-06-21 07:46:48 +00:00
|
|
|
} VideoFrameSizeAbbr;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
const char *abbr;
|
|
|
|
int rate_num, rate_den;
|
|
|
|
} VideoFrameRateAbbr;
|
|
|
|
|
2008-06-24 20:01:31 +00:00
|
|
|
static const VideoFrameSizeAbbr video_frame_size_abbrs[] = {
|
2007-06-21 07:46:48 +00:00
|
|
|
{ "ntsc", 720, 480 },
|
|
|
|
{ "pal", 720, 576 },
|
|
|
|
{ "qntsc", 352, 240 }, /* VCD compliant NTSC */
|
|
|
|
{ "qpal", 352, 288 }, /* VCD compliant PAL */
|
|
|
|
{ "sntsc", 640, 480 }, /* square pixel NTSC */
|
|
|
|
{ "spal", 768, 576 }, /* square pixel PAL */
|
|
|
|
{ "film", 352, 240 },
|
|
|
|
{ "ntsc-film", 352, 240 },
|
|
|
|
{ "sqcif", 128, 96 },
|
|
|
|
{ "qcif", 176, 144 },
|
|
|
|
{ "cif", 352, 288 },
|
|
|
|
{ "4cif", 704, 576 },
|
|
|
|
{ "qqvga", 160, 120 },
|
|
|
|
{ "qvga", 320, 240 },
|
|
|
|
{ "vga", 640, 480 },
|
|
|
|
{ "svga", 800, 600 },
|
|
|
|
{ "xga", 1024, 768 },
|
|
|
|
{ "uxga", 1600,1200 },
|
|
|
|
{ "qxga", 2048,1536 },
|
|
|
|
{ "sxga", 1280,1024 },
|
|
|
|
{ "qsxga", 2560,2048 },
|
|
|
|
{ "hsxga", 5120,4096 },
|
|
|
|
{ "wvga", 852, 480 },
|
|
|
|
{ "wxga", 1366, 768 },
|
|
|
|
{ "wsxga", 1600,1024 },
|
|
|
|
{ "wuxga", 1920,1200 },
|
|
|
|
{ "woxga", 2560,1600 },
|
|
|
|
{ "wqsxga", 3200,2048 },
|
|
|
|
{ "wquxga", 3840,2400 },
|
|
|
|
{ "whsxga", 6400,4096 },
|
|
|
|
{ "whuxga", 7680,4800 },
|
|
|
|
{ "cga", 320, 200 },
|
|
|
|
{ "ega", 640, 350 },
|
|
|
|
{ "hd480", 852, 480 },
|
|
|
|
{ "hd720", 1280, 720 },
|
|
|
|
{ "hd1080", 1920,1080 },
|
|
|
|
};
|
|
|
|
|
2008-06-24 20:01:31 +00:00
|
|
|
static const VideoFrameRateAbbr video_frame_rate_abbrs[]= {
|
2007-06-21 07:46:48 +00:00
|
|
|
{ "ntsc", 30000, 1001 },
|
|
|
|
{ "pal", 25, 1 },
|
|
|
|
{ "qntsc", 30000, 1001 }, /* VCD compliant NTSC */
|
|
|
|
{ "qpal", 25, 1 }, /* VCD compliant PAL */
|
|
|
|
{ "sntsc", 30000, 1001 }, /* square pixel NTSC */
|
|
|
|
{ "spal", 25, 1 }, /* square pixel PAL */
|
|
|
|
{ "film", 24, 1 },
|
|
|
|
{ "ntsc-film", 24000, 1001 },
|
2007-06-12 08:06:54 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str)
|
|
|
|
{
|
|
|
|
int i;
|
2008-10-21 21:40:24 +00:00
|
|
|
int n = FF_ARRAY_ELEMS(video_frame_size_abbrs);
|
2009-02-08 06:11:50 +00:00
|
|
|
char *p;
|
2007-06-12 08:06:54 +00:00
|
|
|
int frame_width = 0, frame_height = 0;
|
|
|
|
|
|
|
|
for(i=0;i<n;i++) {
|
2007-06-21 07:46:48 +00:00
|
|
|
if (!strcmp(video_frame_size_abbrs[i].abbr, str)) {
|
|
|
|
frame_width = video_frame_size_abbrs[i].width;
|
|
|
|
frame_height = video_frame_size_abbrs[i].height;
|
2007-06-12 08:06:54 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (i == n) {
|
|
|
|
p = str;
|
2009-02-08 06:11:50 +00:00
|
|
|
frame_width = strtol(p, &p, 10);
|
2007-06-12 08:06:54 +00:00
|
|
|
if (*p)
|
|
|
|
p++;
|
2009-02-08 06:11:50 +00:00
|
|
|
frame_height = strtol(p, &p, 10);
|
2007-06-12 08:06:54 +00:00
|
|
|
}
|
|
|
|
if (frame_width <= 0 || frame_height <= 0)
|
|
|
|
return -1;
|
|
|
|
*width_ptr = frame_width;
|
|
|
|
*height_ptr = frame_height;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg)
|
|
|
|
{
|
|
|
|
int i;
|
2008-10-21 21:40:24 +00:00
|
|
|
int n = FF_ARRAY_ELEMS(video_frame_rate_abbrs);
|
2007-06-12 08:06:54 +00:00
|
|
|
char* cp;
|
|
|
|
|
|
|
|
/* First, we check our abbreviation table */
|
2007-06-21 07:46:48 +00:00
|
|
|
for (i = 0; i < n; ++i)
|
|
|
|
if (!strcmp(video_frame_rate_abbrs[i].abbr, arg)) {
|
|
|
|
frame_rate->num = video_frame_rate_abbrs[i].rate_num;
|
|
|
|
frame_rate->den = video_frame_rate_abbrs[i].rate_den;
|
2007-06-12 08:06:54 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Then, we try to parse it as fraction */
|
|
|
|
cp = strchr(arg, '/');
|
|
|
|
if (!cp)
|
|
|
|
cp = strchr(arg, ':');
|
|
|
|
if (cp) {
|
|
|
|
char* cpp;
|
|
|
|
frame_rate->num = strtol(arg, &cpp, 10);
|
|
|
|
if (cpp != arg || cpp == cp)
|
|
|
|
frame_rate->den = strtol(cp+1, &cpp, 10);
|
|
|
|
else
|
|
|
|
frame_rate->num = 0;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
/* Finally we give up and parse it as double */
|
2008-09-08 15:28:07 +00:00
|
|
|
AVRational time_base = av_d2q(strtod(arg, 0), 1001000);
|
2007-06-12 08:06:54 +00:00
|
|
|
frame_rate->den = time_base.den;
|
|
|
|
frame_rate->num = time_base.num;
|
|
|
|
}
|
|
|
|
if (!frame_rate->num || !frame_rate->den)
|
|
|
|
return -1;
|
|
|
|
else
|
|
|
|
return 0;
|
|
|
|
}
|
2008-08-10 20:29:43 +00:00
|
|
|
|
2008-12-08 21:21:38 +00:00
|
|
|
void ff_log_missing_feature(void *avc, const char *feature, int want_sample)
|
2008-08-10 20:29:43 +00:00
|
|
|
{
|
|
|
|
av_log(avc, AV_LOG_WARNING, "%s not implemented. Update your FFmpeg "
|
|
|
|
"version to the newest one from SVN. If the problem still "
|
|
|
|
"occurs, it means that your file has a feature which has not "
|
|
|
|
"been implemented.", feature);
|
|
|
|
if(want_sample)
|
2009-01-16 16:20:42 +00:00
|
|
|
ff_log_ask_for_sample(avc, NULL);
|
|
|
|
else
|
|
|
|
av_log(avc, AV_LOG_WARNING, "\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
void ff_log_ask_for_sample(void *avc, const char *msg)
|
|
|
|
{
|
|
|
|
if (msg)
|
|
|
|
av_log(avc, AV_LOG_WARNING, "%s ", msg);
|
|
|
|
av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
|
|
|
|
"of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ "
|
|
|
|
"and contact the ffmpeg-devel mailing list.\n");
|
2008-08-10 20:29:43 +00:00
|
|
|
}
|
2009-02-24 18:46:00 +00:00
|
|
|
|
|
|
|
static AVHWAccel *first_hwaccel = NULL;
|
|
|
|
|
|
|
|
void av_register_hwaccel(AVHWAccel *hwaccel)
|
|
|
|
{
|
|
|
|
AVHWAccel **p = &first_hwaccel;
|
|
|
|
while (*p)
|
|
|
|
p = &(*p)->next;
|
|
|
|
*p = hwaccel;
|
|
|
|
hwaccel->next = NULL;
|
|
|
|
}
|