mirror of https://github.com/FFmpeg/FFmpeg.git
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/*
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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 <stdlib.h> |
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#include <stdio.h> |
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#include <netinet/in.h> |
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#include <string.h> |
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#include "mpegenc.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_video(AVFormatContext *s, 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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NULL, |
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mpjpeg_write_video, |
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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_video(AVFormatContext *s, 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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NULL, |
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jpeg_write_video, |
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jpeg_write_trailer, |
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}; |
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