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mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-22 15:23:11 +00:00
ffmpeg/libavformat/md5proto.c
Michael Niedermayer 7b0b10ce41 Merge remote-tracking branch 'qatar/master'
* qatar/master: (25 commits)
  rtpenc: Add support for G726 audio
  rtpdec: Interpret the different G726 names as bits_per_coded_sample
  rtpenc: Change rtp_send_samples to handle sample sizes other than even bytes
  rtpenc: Cast a rescaling parameter to int64_t
  h264: cap max has_b_frames at MAX_DELAYED_PIC_COUNT - 1.
  ARM: fix indentation in ff_dsputil_init_neon()
  ARM: NEON put/avg_pixels8/16 cosmetics
  ARM: add remaining NEON avg_pixels8/16 functions
  ARM: clean up NEON put/avg_pixels macros
  fate: split acodec-pcm into individual tests
  swscale: #include "libavutil/mathematics.h"
  pmpdec: don't use deprecated av_set_pts_info.
  rv34: align temporary block of "dct" coefs
  Add PlayStation Portable PMP format demuxer
  proto: Realign struct initializers
  proto: Use .priv_data_size to allocate the private context
  mmsh: Properly clean up if the second ffurl_alloc failed
  rtmp: Clean up properly if the handshake failed
  md5proto: Remove the get_file_handle function
  applehttpproto: Use the close function if the open function fails
  ...

Conflicts:
	libavcodec/vble.c
	libavformat/mmsh.c
	libavformat/pmpdec.c
	libavformat/udp.c
	tests/ref/acodec/pcm

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-12-02 00:51:11 +01:00

90 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,
&h->interrupt_callback, NULL);
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;
}
URLProtocol ff_md5_protocol = {
.name = "md5",
.url_open = md5_open,
.url_write = md5_write,
.url_close = md5_close,
.priv_data_size = PRIV_SIZE,
};