1 | /*
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2 | * Multipart JPEG format
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3 | * Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard.
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4 | *
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5 | * This library is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU Lesser General Public
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7 | * License as published by the Free Software Foundation; either
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8 | * version 2 of the License, or (at your option) any later version.
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9 | *
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10 | * This library is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 | * Lesser General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU Lesser General Public
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16 | * License along with this library; if not, write to the Free Software
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17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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18 | */
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19 | #include "avformat.h"
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20 |
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21 | /* Multipart JPEG */
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22 |
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23 | #define BOUNDARY_TAG "ffserver"
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24 |
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25 | #ifdef CONFIG_MUXERS
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26 | static int mpjpeg_write_header(AVFormatContext *s)
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27 | {
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28 | uint8_t buf1[256];
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29 |
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30 | snprintf(buf1, sizeof(buf1), "--%s\n", BOUNDARY_TAG);
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31 | put_buffer(&s->pb, buf1, strlen(buf1));
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32 | put_flush_packet(&s->pb);
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33 | return 0;
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34 | }
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35 |
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36 | static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
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37 | {
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38 | uint8_t buf1[256];
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39 |
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40 | snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\n\n");
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41 | put_buffer(&s->pb, buf1, strlen(buf1));
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42 | put_buffer(&s->pb, pkt->data, pkt->size);
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43 |
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44 | snprintf(buf1, sizeof(buf1), "\n--%s\n", BOUNDARY_TAG);
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45 | put_buffer(&s->pb, buf1, strlen(buf1));
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46 | put_flush_packet(&s->pb);
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47 | return 0;
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48 | }
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49 |
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50 | static int mpjpeg_write_trailer(AVFormatContext *s)
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51 | {
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52 | return 0;
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53 | }
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54 |
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55 | static AVOutputFormat mpjpeg_muxer = {
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56 | "mpjpeg",
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57 | "Mime multipart JPEG format",
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58 | "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
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59 | "mjpg",
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60 | 0,
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61 | CODEC_ID_NONE,
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62 | CODEC_ID_MJPEG,
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63 | mpjpeg_write_header,
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64 | mpjpeg_write_packet,
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65 | mpjpeg_write_trailer,
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66 | };
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67 |
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68 | int jpeg_init(void)
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69 | {
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70 | av_register_output_format(&mpjpeg_muxer);
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71 | return 0;
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72 | }
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73 | #endif //CONFIG_MUXERS
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