projects / libav.git / blame
| Commit | Line | Data |
|---|---|---|
| de6d9b64 FB |
1 | /* |
| 2 | * Miscellaneous MJPEG based formats | |
| 3 | * Copyright (c) 2000 Gerard Lantau. | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify | |
| 6 | * it under the terms of the GNU General Public License as published by | |
| 7 | * the Free Software Foundation; either version 2 of the License, or | |
| 8 | * (at your option) any later version. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 18 | */ | |
| 19 | #include <stdlib.h> | |
| 20 | #include <stdio.h> | |
| 21 | #include <netinet/in.h> | |
| 22 | #include <string.h> | |
| 23 | #include "avformat.h" | |
| 24 | ||
| 25 | /* Multipart JPEG */ | |
| 26 | ||
| 27 | #define BOUNDARY_TAG "ffserver" | |
| 28 | ||
| 29 | static int mpjpeg_write_header(AVFormatContext *s) | |
| 30 | { | |
| 31 | UINT8 buf1[256]; | |
| 32 | ||
| 33 | snprintf(buf1, sizeof(buf1), "--%s\n", BOUNDARY_TAG); | |
| 34 | put_buffer(&s->pb, buf1, strlen(buf1)); | |
| 35 | put_flush_packet(&s->pb); | |
| 36 | return 0; | |
| 37 | } | |
| 38 | ||
| 39 | static int mpjpeg_write_packet(AVFormatContext *s, | |
| 40 | int stream_index, UINT8 *buf, int size) | |
| 41 | { | |
| 42 | UINT8 buf1[256]; | |
| 43 | ||
| 44 | snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\n\n"); | |
| 45 | put_buffer(&s->pb, buf1, strlen(buf1)); | |
| 46 | put_buffer(&s->pb, buf, size); | |
| 47 | ||
| 48 | snprintf(buf1, sizeof(buf1), "\n--%s\n", BOUNDARY_TAG); | |
| 49 | put_buffer(&s->pb, buf1, strlen(buf1)); | |
| 50 | put_flush_packet(&s->pb); | |
| 51 | return 0; | |
| 52 | } | |
| 53 | ||
| 54 | static int mpjpeg_write_trailer(AVFormatContext *s) | |
| 55 | { | |
| 56 | return 0; | |
| 57 | } | |
| 58 | ||
| 59 | AVFormat mpjpeg_format = { | |
| 60 | "mpjpeg", | |
| 61 | "Mime multipart JPEG format", | |
| 62 | "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG, | |
| 63 | "mjpg", | |
| 64 | CODEC_ID_NONE, | |
| 65 | CODEC_ID_MJPEG, | |
| 66 | mpjpeg_write_header, | |
| 67 | mpjpeg_write_packet, | |
| 68 | mpjpeg_write_trailer, | |
| 69 | }; | |
| 70 | ||
| 71 | ||
| 72 | /* single frame JPEG */ | |
| 73 | ||
| 74 | static int jpeg_write_header(AVFormatContext *s) | |
| 75 | { | |
| 76 | return 0; | |
| 77 | } | |
| 78 | ||
| 79 | static int jpeg_write_packet(AVFormatContext *s, int stream_index, | |
| 80 | UINT8 *buf, int size) | |
| 81 | { | |
| 82 | put_buffer(&s->pb, buf, size); | |
| 83 | put_flush_packet(&s->pb); | |
| 84 | return 1; /* no more data can be sent */ | |
| 85 | } | |
| 86 | ||
| 87 | static int jpeg_write_trailer(AVFormatContext *s) | |
| 88 | { | |
| 89 | return 0; | |
| 90 | } | |
| 91 | ||
| 92 | AVFormat jpeg_format = { | |
| 93 | "jpeg", | |
| 94 | "JPEG image", | |
| 95 | "image/jpeg", | |
| 96 | "jpg,jpeg", | |
| 97 | CODEC_ID_NONE, | |
| 98 | CODEC_ID_MJPEG, | |
| 99 | jpeg_write_header, | |
| 100 | jpeg_write_packet, | |
| 101 | jpeg_write_trailer, | |
| 102 | }; |