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Add a simple base64 encoder for use in tests

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Originally committed as revision 24526 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-07-26 23:43:56 +00:00
parent fa8ead0032
commit ce3a841da1
2 changed files with 55 additions and 2 deletions
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4
Makefile
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@ -15,7 +15,7 @@ OBJS = $(addsuffix .o, $(PROGS-yes)) cmdutils.o
MANPAGES = $(addprefix doc/, $(addsuffix .1, $(PROGS-yes)))
HTMLPAGES = $(addprefix doc/, $(addsuffix -doc.html, $(PROGS-yes)))
TOOLS = $(addprefix tools/, $(addsuffix $(EXESUF), cws2fws pktdumper probetest qt-faststart trasher))
HOSTPROGS = $(addprefix tests/, audiogen videogen rotozoom tiny_psnr)
HOSTPROGS = $(addprefix tests/, audiogen videogen rotozoom tiny_psnr base64)
BASENAMES = ffmpeg ffplay ffprobe ffserver
ALLPROGS = $(addsuffix $(EXESUF), $(BASENAMES))
@ -159,7 +159,7 @@ testclean:
$(RM) -r tests/vsynth1 tests/vsynth2 tests/data
$(RM) $(addprefix tests/,$(CLEANSUFFIXES))
$(RM) tests/seek_test$(EXESUF) tests/seek_test.o
$(RM) $(addprefix tests/,$(addsuffix $(HOSTEXESUF),audiogen videogen rotozoom tiny_psnr))
$(RM) $(addprefix tests/,$(addsuffix $(HOSTEXESUF),audiogen videogen rotozoom tiny_psnr base64))
clean:: testclean
$(RM) $(ALLPROGS) $(ALLPROGS_G)

53
tests/base64.c Normal file
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@ -0,0 +1,53 @@
/*
* 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
*/
/*
* Based on libavutil/base64.c
*/
#include <stdio.h>
int main(void)
{
static const char b64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
unsigned i_bits = 0;
int i_shift = 0;
int out_len = 0;
int in;
#define putb64() do { \
putchar(b64[(i_bits << 6 >> i_shift) & 0x3f]); \
out_len++; \
i_shift -= 6; \
} while (0)
while ((in = getchar()) != EOF) {
i_bits = (i_bits << 8) + in;
i_shift += 8;
while (i_shift > 6)
putb64();
}
while (i_shift > 0)
putb64();
while (out_len++ & 3)
putchar('=');
putchar('\n');
return 0;
}