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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 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 file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | #include "avformat.h" |
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| 22 | |||
| 23 | /* Multipart JPEG */ |
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| 24 | |||
| 25 | #define BOUNDARY_TAG "ffserver" |
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| 26 | |||
| 27 | static int mpjpeg_write_header(AVFormatContext *s) |
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| 28 | { |
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| 29 | uint8_t buf1[256]; |
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| 30 | |||
| 31 | snprintf(buf1, sizeof(buf1), "--%s\r\n", BOUNDARY_TAG); |
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| 32 | avio_write(s->pb, buf1, strlen(buf1)); |
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| 33 | avio_flush(s->pb); |
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| 34 | return 0; |
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| 35 | } |
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| 36 | |||
| 37 | static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt) |
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| 38 | { |
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| 39 | uint8_t buf1[256]; |
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| 40 | |||
| 41 | snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\r\n"); |
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| 42 | avio_write(s->pb, buf1, strlen(buf1)); |
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| 43 | |||
| 44 | snprintf(buf1, sizeof(buf1), "Content-length: %d\r\n\r\n", pkt->size); |
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| 45 | avio_write(s->pb, buf1, strlen(buf1)); |
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| 46 | avio_write(s->pb, pkt->data, pkt->size); |
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| 47 | |||
| 48 | snprintf(buf1, sizeof(buf1), "\r\n--%s\r\n", BOUNDARY_TAG); |
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| 49 | avio_write(s->pb, buf1, strlen(buf1)); |
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| 50 | return 0; |
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| 51 | } |
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| 52 | |||
| 53 | static int mpjpeg_write_trailer(AVFormatContext *s) |
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| 54 | { |
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| 55 | return 0; |
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| 56 | } |
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| 57 | |||
| 58 | AVOutputFormat ff_mpjpeg_muxer = { |
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| 59 | .name = "mpjpeg", |
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| 60 | .long_name = NULL_IF_CONFIG_SMALL("MIME multipart JPEG"), |
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| 61 | .mime_type = "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG, |
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| 62 | .extensions = "mjpg", |
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| 63 | .audio_codec = AV_CODEC_ID_NONE, |
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| 64 | .video_codec = AV_CODEC_ID_MJPEG, |
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| 65 | .write_header = mpjpeg_write_header, |
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| 66 | .write_packet = mpjpeg_write_packet, |
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| 67 | .write_trailer = mpjpeg_write_trailer, |
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| 68 | }; |