mirror of
https://github.com/FFmpeg/FFmpeg.git
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109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/*
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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 library 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 of the License, or (at your option) any later version.
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*
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* This library 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 this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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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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, int stream_index,
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const uint8_t *buf, int size, int64_t pts)
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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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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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static AVOutputFormat 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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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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};
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/*************************************/
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/* single frame JPEG */
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static int single_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 single_jpeg_write_packet(AVFormatContext *s, int stream_index,
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const uint8_t *buf, int size, int64_t pts)
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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 single_jpeg_write_trailer(AVFormatContext *s)
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{
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return 0;
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}
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static AVOutputFormat single_jpeg_format = {
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"singlejpeg",
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"single JPEG image",
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"image/jpeg",
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NULL, /* note: no extension to favorize jpeg multiple images match */
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0,
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CODEC_ID_NONE,
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CODEC_ID_MJPEG,
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single_jpeg_write_header,
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single_jpeg_write_packet,
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single_jpeg_write_trailer,
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};
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int jpeg_init(void)
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{
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av_register_output_format(&mpjpeg_format);
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av_register_output_format(&single_jpeg_format);
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return 0;
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}
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