mirror of
https://git.ffmpeg.org/ffmpeg.git
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Reverting stray commit part II, r8156 had the base64 export patch mixed with the nutdec patch
Originally committed as revision 8158 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato
parent
9fca9c0316
commit
558b86a5d0
348
libavformat/http.c
Normal file
348
libavformat/http.c
Normal file
@ -0,0 +1,348 @@
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/*
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* HTTP protocol for ffmpeg client
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* Copyright (c) 2000, 2001 Fabrice Bellard.
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*
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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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* 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 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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 FFmpeg; 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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#include "avformat.h"
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#include <unistd.h>
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#include "network.h"
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#include "base64.h"
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/* XXX: POST protocol is not completly implemented because ffmpeg use
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only a subset of it */
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//#define DEBUG
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/* used for protocol handling */
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#define BUFFER_SIZE 1024
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#define URL_SIZE 4096
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#define MAX_REDIRECTS 8
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typedef struct {
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URLContext *hd;
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unsigned char buffer[BUFFER_SIZE], *buf_ptr, *buf_end;
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int line_count;
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int http_code;
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offset_t off, filesize;
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char location[URL_SIZE];
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} HTTPContext;
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static int http_connect(URLContext *h, const char *path, const char *hoststr,
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const char *auth, int *new_location);
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static int http_write(URLContext *h, uint8_t *buf, int size);
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/* return non zero if error */
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static int http_open_cnx(URLContext *h)
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{
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const char *path, *proxy_path;
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char hostname[1024], hoststr[1024];
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char auth[1024];
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char path1[1024];
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char buf[1024];
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int port, use_proxy, err, location_changed = 0, redirects = 0;
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HTTPContext *s = h->priv_data;
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URLContext *hd = NULL;
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proxy_path = getenv("http_proxy");
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use_proxy = (proxy_path != NULL) && !getenv("no_proxy") &&
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strstart(proxy_path, "http://", NULL);
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/* fill the dest addr */
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redo:
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/* needed in any case to build the host string */
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url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
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path1, sizeof(path1), s->location);
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if (port > 0) {
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snprintf(hoststr, sizeof(hoststr), "%s:%d", hostname, port);
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} else {
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pstrcpy(hoststr, sizeof(hoststr), hostname);
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}
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if (use_proxy) {
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url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
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NULL, 0, proxy_path);
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path = s->location;
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} else {
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if (path1[0] == '\0')
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path = "/";
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else
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path = path1;
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}
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if (port < 0)
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port = 80;
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snprintf(buf, sizeof(buf), "tcp://%s:%d", hostname, port);
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err = url_open(&hd, buf, URL_RDWR);
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if (err < 0)
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goto fail;
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s->hd = hd;
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if (http_connect(h, path, hoststr, auth, &location_changed) < 0)
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goto fail;
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if (s->http_code == 303 && location_changed == 1) {
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/* url moved, get next */
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url_close(hd);
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if (redirects++ >= MAX_REDIRECTS)
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return AVERROR_IO;
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location_changed = 0;
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goto redo;
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}
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return 0;
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fail:
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if (hd)
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url_close(hd);
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return AVERROR_IO;
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}
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static int http_open(URLContext *h, const char *uri, int flags)
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{
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HTTPContext *s;
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int ret;
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h->is_streamed = 1;
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s = av_malloc(sizeof(HTTPContext));
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if (!s) {
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return AVERROR(ENOMEM);
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}
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h->priv_data = s;
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s->filesize = -1;
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s->off = 0;
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pstrcpy (s->location, URL_SIZE, uri);
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ret = http_open_cnx(h);
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if (ret != 0)
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av_free (s);
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return ret;
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}
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static int http_getc(HTTPContext *s)
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{
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int len;
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if (s->buf_ptr >= s->buf_end) {
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len = url_read(s->hd, s->buffer, BUFFER_SIZE);
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if (len < 0) {
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return AVERROR_IO;
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} else if (len == 0) {
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return -1;
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} else {
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s->buf_ptr = s->buffer;
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s->buf_end = s->buffer + len;
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}
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}
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return *s->buf_ptr++;
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}
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static int process_line(URLContext *h, char *line, int line_count,
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int *new_location)
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{
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HTTPContext *s = h->priv_data;
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char *tag, *p;
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/* end of header */
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if (line[0] == '\0')
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return 0;
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p = line;
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if (line_count == 0) {
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while (!isspace(*p) && *p != '\0')
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p++;
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while (isspace(*p))
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p++;
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s->http_code = strtol(p, NULL, 10);
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#ifdef DEBUG
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printf("http_code=%d\n", s->http_code);
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#endif
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} else {
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while (*p != '\0' && *p != ':')
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p++;
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if (*p != ':')
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return 1;
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*p = '\0';
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tag = line;
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p++;
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while (isspace(*p))
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p++;
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if (!strcmp(tag, "Location")) {
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strcpy(s->location, p);
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*new_location = 1;
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} else if (!strcmp (tag, "Content-Length") && s->filesize == -1) {
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s->filesize = atoll(p);
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} else if (!strcmp (tag, "Content-Range")) {
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/* "bytes $from-$to/$document_size" */
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const char *slash;
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if (!strncmp (p, "bytes ", 6)) {
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p += 6;
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s->off = atoll(p);
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if ((slash = strchr(p, '/')) && strlen(slash) > 0)
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s->filesize = atoll(slash+1);
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}
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h->is_streamed = 0; /* we _can_ in fact seek */
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}
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}
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return 1;
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}
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static int http_connect(URLContext *h, const char *path, const char *hoststr,
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const char *auth, int *new_location)
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{
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HTTPContext *s = h->priv_data;
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int post, err, ch;
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char line[1024], *q;
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char *auth_b64;
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offset_t off = s->off;
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/* send http header */
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post = h->flags & URL_WRONLY;
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auth_b64 = av_base64_encode((uint8_t *)auth, strlen(auth));
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snprintf(s->buffer, sizeof(s->buffer),
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"%s %s HTTP/1.1\r\n"
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"User-Agent: %s\r\n"
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"Accept: */*\r\n"
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"Range: bytes=%"PRId64"-\r\n"
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"Host: %s\r\n"
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"Authorization: Basic %s\r\n"
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"\r\n",
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post ? "POST" : "GET",
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path,
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LIBAVFORMAT_IDENT,
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s->off,
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hoststr,
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auth_b64);
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av_freep(&auth_b64);
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if (http_write(h, s->buffer, strlen(s->buffer)) < 0)
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return AVERROR_IO;
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/* init input buffer */
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s->buf_ptr = s->buffer;
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s->buf_end = s->buffer;
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s->line_count = 0;
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s->off = 0;
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if (post) {
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sleep(1);
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return 0;
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}
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/* wait for header */
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q = line;
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for(;;) {
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ch = http_getc(s);
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if (ch < 0)
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return AVERROR_IO;
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if (ch == '\n') {
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/* process line */
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if (q > line && q[-1] == '\r')
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q--;
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*q = '\0';
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#ifdef DEBUG
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printf("header='%s'\n", line);
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#endif
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err = process_line(h, line, s->line_count, new_location);
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if (err < 0)
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return err;
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if (err == 0)
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break;
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s->line_count++;
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q = line;
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} else {
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if ((q - line) < sizeof(line) - 1)
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*q++ = ch;
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}
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}
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return (off == s->off) ? 0 : -1;
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}
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static int http_read(URLContext *h, uint8_t *buf, int size)
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{
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HTTPContext *s = h->priv_data;
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int len;
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/* read bytes from input buffer first */
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len = s->buf_end - s->buf_ptr;
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if (len > 0) {
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if (len > size)
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len = size;
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memcpy(buf, s->buf_ptr, len);
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s->buf_ptr += len;
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} else {
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len = url_read(s->hd, buf, size);
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}
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if (len > 0)
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s->off += len;
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return len;
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}
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/* used only when posting data */
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static int http_write(URLContext *h, uint8_t *buf, int size)
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{
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HTTPContext *s = h->priv_data;
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return url_write(s->hd, buf, size);
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}
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static int http_close(URLContext *h)
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{
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HTTPContext *s = h->priv_data;
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url_close(s->hd);
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av_free(s);
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return 0;
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}
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static offset_t http_seek(URLContext *h, offset_t off, int whence)
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{
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HTTPContext *s = h->priv_data;
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URLContext *old_hd = s->hd;
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offset_t old_off = s->off;
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if (whence == AVSEEK_SIZE)
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return s->filesize;
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else if ((s->filesize == -1 && whence == SEEK_END) || h->is_streamed)
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return -1;
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/* we save the old context in case the seek fails */
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s->hd = NULL;
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if (whence == SEEK_CUR)
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off += s->off;
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else if (whence == SEEK_END)
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off += s->filesize;
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s->off = off;
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/* if it fails, continue on old connection */
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if (http_open_cnx(h) < 0) {
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s->hd = old_hd;
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s->off = old_off;
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return -1;
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}
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url_close(old_hd);
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return off;
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}
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URLProtocol http_protocol = {
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"http",
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http_open,
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http_read,
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http_write,
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http_seek,
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http_close,
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};
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27
libavutil/Makefile
Normal file
27
libavutil/Makefile
Normal file
@ -0,0 +1,27 @@
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include ../config.mak
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||||
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OBJS= mathematics.o \
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||||
rational.o \
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||||
intfloat_readwrite.o \
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||||
crc.o \
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||||
md5.o \
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||||
lls.o \
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||||
adler32.o \
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||||
log.o \
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mem.o \
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||||
fifo.o \
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||||
tree.o \
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||||
lzo.o \
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||||
random.o \
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aes.o \
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base64.o \
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HEADERS = avutil.h common.h mathematics.h integer.h rational.h \
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||||
intfloat_readwrite.h md5.h adler32.h log.h fifo.h lzo.h \
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||||
random.h
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||||
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||||
NAME=avutil
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LIBVERSION=$(LAVUVERSION)
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LIBMAJOR=$(LAVUMAJOR)
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include ../common.mak
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137
libavutil/avutil.h
Normal file
137
libavutil/avutil.h
Normal file
@ -0,0 +1,137 @@
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/*
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||||
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
|
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*
|
||||
* 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
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_H
|
||||
#define AVUTIL_H
|
||||
|
||||
/**
|
||||
* @file avutil.h
|
||||
* external api header.
|
||||
*/
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define AV_STRINGIFY(s) AV_TOSTRING(s)
|
||||
#define AV_TOSTRING(s) #s
|
||||
|
||||
#define LIBAVUTIL_VERSION_INT ((49<<16)+(3<<8)+0)
|
||||
#define LIBAVUTIL_VERSION 49.3.0
|
||||
#define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
|
||||
|
||||
#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
|
||||
|
||||
|
||||
#include "common.h"
|
||||
#include "mathematics.h"
|
||||
#include "rational.h"
|
||||
#include "integer.h"
|
||||
#include "intfloat_readwrite.h"
|
||||
#include "log.h"
|
||||
|
||||
/**
|
||||
* Pixel format. Notes:
|
||||
*
|
||||
* PIX_FMT_RGB32 is handled in an endian-specific manner. A RGBA
|
||||
* color is put together as:
|
||||
* (A << 24) | (R << 16) | (G << 8) | B
|
||||
* This is stored as BGRA on little endian CPU architectures and ARGB on
|
||||
* big endian CPUs.
|
||||
*
|
||||
* When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized
|
||||
* image data is stored in AVFrame.data[0]. The palette is transported in
|
||||
* AVFrame.data[1] and, is 1024 bytes long (256 4-byte entries) and is
|
||||
* formatted the same as in PIX_FMT_RGB32 described above (i.e., it is
|
||||
* also endian-specific). Note also that the individual RGB palette
|
||||
* components stored in AVFrame.data[1] should be in the range 0..255.
|
||||
* This is important as many custom PAL8 video codecs that were designed
|
||||
* to run on the IBM VGA graphics adapter use 6-bit palette components.
|
||||
*/
|
||||
enum PixelFormat {
|
||||
PIX_FMT_NONE= -1,
|
||||
PIX_FMT_YUV420P, ///< Planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
|
||||
PIX_FMT_YUYV422, ///< Packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
|
||||
PIX_FMT_RGB24, ///< Packed RGB 8:8:8, 24bpp, RGBRGB...
|
||||
PIX_FMT_BGR24, ///< Packed RGB 8:8:8, 24bpp, BGRBGR...
|
||||
PIX_FMT_YUV422P, ///< Planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
|
||||
PIX_FMT_YUV444P, ///< Planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
|
||||
PIX_FMT_RGB32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8R 8G 8B(lsb), in cpu endianness
|
||||
PIX_FMT_YUV410P, ///< Planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
|
||||
PIX_FMT_YUV411P, ///< Planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
|
||||
PIX_FMT_RGB565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), in cpu endianness
|
||||
PIX_FMT_RGB555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in cpu endianness most significant bit to 0
|
||||
PIX_FMT_GRAY8, ///< Y , 8bpp
|
||||
PIX_FMT_MONOWHITE, ///< Y , 1bpp, 1 is white
|
||||
PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black
|
||||
PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
|
||||
PIX_FMT_YUVJ420P, ///< Planar YUV 4:2:0, 12bpp, full scale (jpeg)
|
||||
PIX_FMT_YUVJ422P, ///< Planar YUV 4:2:2, 16bpp, full scale (jpeg)
|
||||
PIX_FMT_YUVJ444P, ///< Planar YUV 4:4:4, 24bpp, full scale (jpeg)
|
||||
PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing(xvmc_render.h)
|
||||
PIX_FMT_XVMC_MPEG2_IDCT,
|
||||
PIX_FMT_UYVY422, ///< Packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
|
||||
PIX_FMT_UYYVYY411, ///< Packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
|
||||
PIX_FMT_BGR32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8B 8G 8R(lsb), in cpu endianness
|
||||
PIX_FMT_BGR565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), in cpu endianness
|
||||
PIX_FMT_BGR555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), in cpu endianness most significant bit to 1
|
||||
PIX_FMT_BGR8, ///< Packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
|
||||
PIX_FMT_BGR4, ///< Packed RGB 1:2:1, 4bpp, (msb)1B 2G 1R(lsb)
|
||||
PIX_FMT_BGR4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
|
||||
PIX_FMT_RGB8, ///< Packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
|
||||
PIX_FMT_RGB4, ///< Packed RGB 1:2:1, 4bpp, (msb)2R 3G 3B(lsb)
|
||||
PIX_FMT_RGB4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)2R 3G 3B(lsb)
|
||||
PIX_FMT_NV12, ///< Planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 for UV
|
||||
PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
|
||||
|
||||
PIX_FMT_RGB32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8R 8G 8B 8A(lsb), in cpu endianness
|
||||
PIX_FMT_BGR32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8B 8G 8R 8A(lsb), in cpu endianness
|
||||
|
||||
PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian
|
||||
PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian
|
||||
PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
|
||||
};
|
||||
|
||||
#ifdef WORDS_BIGENDIAN
|
||||
#define PIX_FMT_RGBA PIX_FMT_RGB32_1
|
||||
#define PIX_FMT_BGRA PIX_FMT_BGR32_1
|
||||
#define PIX_FMT_ARGB PIX_FMT_RGB32
|
||||
#define PIX_FMT_ABGR PIX_FMT_BGR32
|
||||
#define PIX_FMT_GRAY16 PIX_FMT_GRAY16BE
|
||||
#else
|
||||
#define PIX_FMT_RGBA PIX_FMT_BGR32
|
||||
#define PIX_FMT_BGRA PIX_FMT_RGB32
|
||||
#define PIX_FMT_ARGB PIX_FMT_BGR32_1
|
||||
#define PIX_FMT_ABGR PIX_FMT_RGB32_1
|
||||
#define PIX_FMT_GRAY16 PIX_FMT_GRAY16LE
|
||||
#endif
|
||||
|
||||
#if LIBAVUTIL_VERSION_INT < (50<<16)
|
||||
#define PIX_FMT_UYVY411 PIX_FMT_UYYVYY411
|
||||
#define PIX_FMT_RGBA32 PIX_FMT_RGB32
|
||||
#define PIX_FMT_YUV422 PIX_FMT_YUYV422
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* AVUTIL_H */
|
||||
231
libavutil/base64.c
Normal file
231
libavutil/base64.c
Normal file
@ -0,0 +1,231 @@
|
||||
/*
|
||||
* Base64.c
|
||||
* Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file base64.c
|
||||
* @brief Base64 Encode/Decode
|
||||
* @author Ryan Martell <rdm4@martellventures.com> (with lots of Michael)
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
#include "base64.h"
|
||||
|
||||
/* ---------------- private code */
|
||||
static uint8_t map2[] =
|
||||
{
|
||||
0x3e, 0xff, 0xff, 0xff, 0x3f, 0x34, 0x35, 0x36,
|
||||
0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01,
|
||||
0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
|
||||
0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11,
|
||||
0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1a, 0x1b,
|
||||
0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
|
||||
0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
|
||||
0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33
|
||||
};
|
||||
|
||||
int av_base64_decode(uint8_t * out, const char *in, int out_length)
|
||||
{
|
||||
int i, v;
|
||||
uint8_t *dst = out;
|
||||
|
||||
v = 0;
|
||||
for (i = 0; in[i] && in[i] != '='; i++) {
|
||||
unsigned int index= in[i]-43;
|
||||
if (index>=(sizeof(map2)/sizeof(map2[0])) || map2[index] == 0xff)
|
||||
return -1;
|
||||
v = (v << 6) + map2[index];
|
||||
if (i & 3) {
|
||||
if (dst - out < out_length) {
|
||||
*dst++ = v >> (6 - 2 * (i & 3));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return (dst - out);
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* b64_encode: stolen from VLC's http.c
|
||||
* simplified by michael
|
||||
* fixed edge cases and made it work from data (vs. strings) by ryan.
|
||||
*****************************************************************************/
|
||||
|
||||
char *av_base64_encode(uint8_t * src, int len)
|
||||
{
|
||||
static const char b64[] =
|
||||
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
||||
char *ret, *dst;
|
||||
unsigned i_bits = 0;
|
||||
int i_shift = 0;
|
||||
int bytes_remaining = len;
|
||||
|
||||
if (len < UINT_MAX / 4) {
|
||||
ret = dst = av_malloc(len * 4 / 3 + 12);
|
||||
} else
|
||||
return NULL;
|
||||
|
||||
if (len) { // special edge case, what should we really do here?
|
||||
while (bytes_remaining) {
|
||||
i_bits = (i_bits << 8) + *src++;
|
||||
bytes_remaining--;
|
||||
i_shift += 8;
|
||||
|
||||
do {
|
||||
*dst++ = b64[(i_bits << 6 >> i_shift) & 0x3f];
|
||||
i_shift -= 6;
|
||||
} while (i_shift > 6 || (bytes_remaining == 0 && i_shift > 0));
|
||||
}
|
||||
while ((dst - ret) & 3)
|
||||
*dst++ = '=';
|
||||
}
|
||||
*dst = '\0';
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
// #define TEST_BASE64
|
||||
|
||||
#ifdef TEST_BASE64
|
||||
#include "avutil.h"
|
||||
|
||||
int b64test()
|
||||
{
|
||||
int numerr = 0;
|
||||
int len;
|
||||
int numtest = 1;
|
||||
uint8_t decode[1000];
|
||||
struct test {
|
||||
void *data;
|
||||
int len;
|
||||
const char *result;
|
||||
} *t, tests[] = {
|
||||
{
|
||||
"", 0, ""}, {
|
||||
"1", 1, "MQ=="}, {
|
||||
"22", 2, "MjI="}, {
|
||||
"333", 3, "MzMz"}, {
|
||||
"4444", 4, "NDQ0NA=="}, {
|
||||
"55555", 5, "NTU1NTU="}, {
|
||||
"abc:def", 7, "YWJjOmRlZg=="}, {
|
||||
NULL}
|
||||
};
|
||||
for (t = tests; t->data; t++) {
|
||||
char *str;
|
||||
|
||||
av_log(NULL, AV_LOG_ERROR, "Encoding %s...\n", (char *) t->data);
|
||||
str = av_base64_encode(t->data, t->len);
|
||||
if (str) {
|
||||
av_log(NULL, AV_LOG_ERROR, "Encoded to %s...\n", str);
|
||||
if (strcmp(str, t->result) != 0) {
|
||||
av_log(NULL, AV_LOG_ERROR, "failed test %d: %s != %s\n",
|
||||
numtest, str, t->result);
|
||||
numerr++;
|
||||
}
|
||||
av_free(str);
|
||||
}
|
||||
|
||||
av_log(NULL, AV_LOG_ERROR, "Done encoding, about to decode...\n");
|
||||
len = av_base64_decode(decode, t->result, sizeof(decode));
|
||||
if (len != t->len) {
|
||||
av_log(NULL, AV_LOG_ERROR, "failed test %d: len %d != %d\n",
|
||||
numtest, len, t->len);
|
||||
numerr++;
|
||||
} else if (memcmp(decode, t->data, t->len) != 0) {
|
||||
av_log(NULL, AV_LOG_ERROR, "failed test %d: data\n", numtest);
|
||||
numerr++;
|
||||
} else {
|
||||
av_log(NULL, AV_LOG_ERROR, "Decoded to %s\n",
|
||||
(char *) t->data);
|
||||
}
|
||||
numtest++;
|
||||
}
|
||||
|
||||
#undef srand
|
||||
#undef rand
|
||||
|
||||
{
|
||||
int test_count;
|
||||
srand(123141); // time(NULL));
|
||||
for (test_count = 0; test_count < 100; test_count++) {
|
||||
int size = rand() % 1024;
|
||||
int ii;
|
||||
uint8_t *data;
|
||||
char *encoded_result;
|
||||
|
||||
av_log(NULL, AV_LOG_ERROR, "Test %d: Size %d bytes...",
|
||||
test_count, size);
|
||||
data = (uint8_t *) av_malloc(size);
|
||||
for (ii = 0; ii < size; ii++) {
|
||||
data[ii] = rand() % 255;
|
||||
}
|
||||
|
||||
encoded_result = av_base64_encode(data, size);
|
||||
if (encoded_result) {
|
||||
int decode_buffer_size = size + 10; // try without 10 as well
|
||||
uint8_t *decode_buffer = av_malloc(decode_buffer_size);
|
||||
if (decode_buffer) {
|
||||
int decoded_size =
|
||||
av_base64_decode(decode_buffer, encoded_result,
|
||||
decode_buffer_size);
|
||||
|
||||
if (decoded_size != size) {
|
||||
av_log(NULL, AV_LOG_ERROR,
|
||||
"Decoded/Encoded size mismatch (%d != %d)\n",
|
||||
decoded_size, size);
|
||||
} else {
|
||||
if (memcmp(decode_buffer, data, decoded_size) == 0) {
|
||||
av_log(NULL, AV_LOG_ERROR, "Passed!\n");
|
||||
} else {
|
||||
av_log(NULL, AV_LOG_ERROR,
|
||||
"Failed (Data differs)!\n");
|
||||
}
|
||||
}
|
||||
av_free(decode_buffer);
|
||||
}
|
||||
|
||||
av_free(encoded_result);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// these are invalid strings, that it currently decodes (which it probably shouldn't?)
|
||||
{
|
||||
uint8_t str[32];
|
||||
if (av_base64_decode(str, "M=M=", sizeof(str)) != -1) {
|
||||
av_log(NULL, AV_LOG_ERROR,
|
||||
"failed test %d: successful decode of `M=M='\n",
|
||||
numtest++);
|
||||
numerr++;
|
||||
}
|
||||
if (av_base64_decode(str, "MQ===", sizeof(str)) != -1) {
|
||||
av_log(NULL, AV_LOG_ERROR,
|
||||
"failed test %d: successful decode of `MQ==='\n",
|
||||
numtest++);
|
||||
numerr++;
|
||||
}
|
||||
}
|
||||
|
||||
return numerr;
|
||||
}
|
||||
#endif
|
||||
|
||||
33
libavutil/base64.h
Normal file
33
libavutil/base64.h
Normal file
@ -0,0 +1,33 @@
|
||||
/*
|
||||
* Base64.c
|
||||
* Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
/**
|
||||
* decodes base64
|
||||
* param order as strncpy()
|
||||
*/
|
||||
int av_base64_decode(uint8_t * out, const char *in, int out_length);
|
||||
|
||||
/**
|
||||
* encodes base64
|
||||
* @param src data, not a string
|
||||
*/
|
||||
char *av_base64_encode(uint8_t * src, int len);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user