mirror of https://git.ffmpeg.org/ffmpeg.git
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/*
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* Miscellaneous MJPEG based formats
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* Copyright (c) 2000 Gerard Lantau.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "avformat.h"
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/* Multipart JPEG */
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#define BOUNDARY_TAG "ffserver"
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static int mpjpeg_write_header(AVFormatContext *s)
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{
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UINT8 buf1[256];
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snprintf(buf1, sizeof(buf1), "--%s\n", BOUNDARY_TAG);
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put_buffer(&s->pb, buf1, strlen(buf1));
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put_flush_packet(&s->pb);
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return 0;
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}
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static int mpjpeg_write_packet(AVFormatContext *s,
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int stream_index, UINT8 *buf, int size)
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{
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UINT8 buf1[256];
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snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\n\n");
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put_buffer(&s->pb, buf1, strlen(buf1));
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put_buffer(&s->pb, buf, size);
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snprintf(buf1, sizeof(buf1), "\n--%s\n", BOUNDARY_TAG);
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put_buffer(&s->pb, buf1, strlen(buf1));
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put_flush_packet(&s->pb);
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return 0;
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}
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static int mpjpeg_write_trailer(AVFormatContext *s)
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{
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return 0;
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}
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AVFormat mpjpeg_format = {
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"mpjpeg",
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"Mime multipart JPEG format",
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"multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
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"mjpg",
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CODEC_ID_NONE,
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CODEC_ID_MJPEG,
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mpjpeg_write_header,
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mpjpeg_write_packet,
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mpjpeg_write_trailer,
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};
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/* single frame JPEG */
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static int jpeg_write_header(AVFormatContext *s)
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{
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return 0;
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}
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static int jpeg_write_packet(AVFormatContext *s, int stream_index,
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UINT8 *buf, int size)
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{
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put_buffer(&s->pb, buf, size);
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put_flush_packet(&s->pb);
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return 1; /* no more data can be sent */
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}
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static int jpeg_write_trailer(AVFormatContext *s)
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{
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return 0;
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}
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AVFormat jpeg_format = {
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"jpeg",
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"JPEG image",
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"image/jpeg",
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"jpg,jpeg",
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CODEC_ID_NONE,
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CODEC_ID_MJPEG,
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jpeg_write_header,
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jpeg_write_packet,
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jpeg_write_trailer,
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};
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