mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-12 04:15:06 +02:00
efb5fa79f5
* qatar/master: (37 commits) In avcodec_open(), set return code to an error value only when an error occurs instead of unconditionally at the start of the function. lavc: remove reference to opt.h from Makefile. prefer avio_check() over url_exist() avio: remove AVIO_* access symbols in favor of new AVIO_FLAG_* symbols lavu: remove misc disabled cruft lavu: remove FF_API_OLD_IMAGE_NAMES cruft NOT PULLED lavu: remove FF_API_OLD_EVAL_NAMES cruft lavc: remove misc disabled cruft. lavc: remove the FF_API_INOFFICIAL cruft. lavc: remove the FF_API_SET_STRING_OLD cruft. lavc: remove the FF_API_USE_LPC cruft. lavc: remove the FF_API_SUBTITLE_OLD cruft. lavc: remove the FF_API_VIDEO_OLD cruft. lavc: remove the FF_API_AUDIO_OLD cruft. lavc: remove the FF_API_OPT_SHOW cruft. lavc: remove the FF_API_MM_FLAGS cruft. lavf: remove misc disabled cruft. lavf: remove FF_API_INDEX_BUILT cruft lavf: remove FF_API_URL_CLASS cruft. lavf: remove FF_API_SYMVER cruft ... Merged-by: Michael Niedermayer <michaelni@gmx.at>
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2010 Mans Rullgard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "libavutil/avstring.h"
|
|
#include "libavutil/md5.h"
|
|
#include "libavutil/mem.h"
|
|
#include "libavutil/error.h"
|
|
#include "avformat.h"
|
|
#include "avio.h"
|
|
#include "url.h"
|
|
|
|
#define PRIV_SIZE 128
|
|
|
|
static int md5_open(URLContext *h, const char *filename, int flags)
|
|
{
|
|
if (PRIV_SIZE < av_md5_size) {
|
|
av_log(NULL, AV_LOG_ERROR, "Insuffient size for MD5 context\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!flags & AVIO_FLAG_WRITE)
|
|
return AVERROR(EINVAL);
|
|
|
|
av_md5_init(h->priv_data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int md5_write(URLContext *h, const unsigned char *buf, int size)
|
|
{
|
|
av_md5_update(h->priv_data, buf, size);
|
|
return size;
|
|
}
|
|
|
|
static int md5_close(URLContext *h)
|
|
{
|
|
const char *filename = h->filename;
|
|
uint8_t md5[16], buf[64];
|
|
URLContext *out;
|
|
int i, err = 0;
|
|
|
|
av_md5_final(h->priv_data, md5);
|
|
for (i = 0; i < sizeof(md5); i++)
|
|
snprintf(buf + i*2, 3, "%02x", md5[i]);
|
|
buf[i*2] = '\n';
|
|
|
|
av_strstart(filename, "md5:", &filename);
|
|
|
|
if (*filename) {
|
|
err = ffurl_open(&out, filename, AVIO_FLAG_WRITE);
|
|
if (err)
|
|
return err;
|
|
err = ffurl_write(out, buf, i*2+1);
|
|
ffurl_close(out);
|
|
} else {
|
|
if (fwrite(buf, 1, i*2+1, stdout) < i*2+1)
|
|
err = AVERROR(errno);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int md5_get_handle(URLContext *h)
|
|
{
|
|
return (intptr_t)h->priv_data;
|
|
}
|
|
|
|
URLProtocol ff_md5_protocol = {
|
|
.name = "md5",
|
|
.url_open = md5_open,
|
|
.url_write = md5_write,
|
|
.url_close = md5_close,
|
|
.url_get_file_handle = md5_get_handle,
|
|
.priv_data_size = PRIV_SIZE,
|
|
};
|