X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=libavformat%2Fmd5proto.c;h=12ddde3d8c55f768e662ff32eb4c91d22ca0d4ea;hb=3b199d29cd597a3518136d78860e172060b9e83d;hp=c391dffedf216cc12fde6964762df78b768c12a6;hpb=c6610a216ed2948885772154a2eed696e0cb4aca;p=ffmpeg diff --git a/libavformat/md5proto.c b/libavformat/md5proto.c index c391dffedf2..12ddde3d8c5 100644 --- a/libavformat/md5proto.c +++ b/libavformat/md5proto.c @@ -1,20 +1,20 @@ /* * Copyright (c) 2010 Mans Rullgard * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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, + * Libav 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 + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -25,38 +25,43 @@ #include "libavutil/error.h" #include "avformat.h" #include "avio.h" +#include "url.h" -#define PRIV_SIZE 128 +struct MD5Context { + struct AVMD5 *md5; +}; 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; - } + struct MD5Context *c = h->priv_data; - if (flags != URL_WRONLY) + if (!(flags & AVIO_FLAG_WRITE)) return AVERROR(EINVAL); - av_md5_init(h->priv_data); + c->md5 = av_md5_alloc(); + if (!c->md5) + return AVERROR(ENOMEM); + av_md5_init(c->md5); return 0; } static int md5_write(URLContext *h, const unsigned char *buf, int size) { - av_md5_update(h->priv_data, buf, size); + struct MD5Context *c = h->priv_data; + av_md5_update(c->md5, buf, size); return size; } static int md5_close(URLContext *h) { + struct MD5Context *c = h->priv_data; const char *filename = h->filename; uint8_t md5[16], buf[64]; URLContext *out; int i, err = 0; - av_md5_final(h->priv_data, md5); + av_md5_final(c->md5, md5); for (i = 0; i < sizeof(md5); i++) snprintf(buf + i*2, 3, "%02x", md5[i]); buf[i*2] = '\n'; @@ -64,29 +69,27 @@ static int md5_close(URLContext *h) av_strstart(filename, "md5:", &filename); if (*filename) { - err = url_open(&out, filename, URL_WRONLY); + err = ffurl_open(&out, filename, AVIO_FLAG_WRITE, + &h->interrupt_callback, NULL); if (err) return err; - err = url_write(out, buf, i*2+1); - url_close(out); + 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); } + av_freep(&c->md5); + 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, + .priv_data_size = sizeof(struct MD5Context), };