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ffmpeg / libavformat / mpjpeg.c @ 6cc7f139

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1 0250738f Fabrice Bellard
/*
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 * Multipart JPEG format
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 * Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard
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 *
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 * This file is part of Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; 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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/* 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_t buf1[256];
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    snprintf(buf1, sizeof(buf1), "--%s\n", BOUNDARY_TAG);
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    avio_write(s->pb, buf1, strlen(buf1));
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    avio_flush(s->pb);
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    return 0;
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}
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static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
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{
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    uint8_t buf1[256];
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    snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\n\n");
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    avio_write(s->pb, buf1, strlen(buf1));
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    avio_write(s->pb, pkt->data, pkt->size);
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    snprintf(buf1, sizeof(buf1), "\n--%s\n", BOUNDARY_TAG);
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    avio_write(s->pb, buf1, strlen(buf1));
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    avio_flush(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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AVOutputFormat ff_mpjpeg_muxer = {
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    "mpjpeg",
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    NULL_IF_CONFIG_SMALL("MIME multipart JPEG format"),
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    "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
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    "mjpg",
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    0,
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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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};