X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavformat%2Fmpjpeg.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavformat%2Fmpjpeg.c;h=ab8166b16a696f37d0eca964a69761409cd9a884;hb=2362dce2bb8c6a5fd5f3bd049975c3d89411f5d3;hp=0000000000000000000000000000000000000000;hpb=6f41e88a004056081fbf3e45c4eb9780cc08cd91;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/mpjpeg.c b/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/mpjpeg.c new file mode 100644 index 0000000..ab8166b --- /dev/null +++ b/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavformat/mpjpeg.c @@ -0,0 +1,108 @@ +/* + * Multipart JPEG format + * Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include "avformat.h" + +/* Multipart JPEG */ + +#define BOUNDARY_TAG "ffserver" + +static int mpjpeg_write_header(AVFormatContext *s) +{ + uint8_t buf1[256]; + + snprintf(buf1, sizeof(buf1), "--%s\n", BOUNDARY_TAG); + put_buffer(&s->pb, buf1, strlen(buf1)); + put_flush_packet(&s->pb); + return 0; +} + +static int mpjpeg_write_packet(AVFormatContext *s, int stream_index, + const uint8_t *buf, int size, int64_t pts) +{ + uint8_t buf1[256]; + + snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\n\n"); + put_buffer(&s->pb, buf1, strlen(buf1)); + put_buffer(&s->pb, buf, size); + + snprintf(buf1, sizeof(buf1), "\n--%s\n", BOUNDARY_TAG); + put_buffer(&s->pb, buf1, strlen(buf1)); + put_flush_packet(&s->pb); + return 0; +} + +static int mpjpeg_write_trailer(AVFormatContext *s) +{ + return 0; +} + +static AVOutputFormat mpjpeg_format = { + "mpjpeg", + "Mime multipart JPEG format", + "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG, + "mjpg", + 0, + CODEC_ID_NONE, + CODEC_ID_MJPEG, + mpjpeg_write_header, + mpjpeg_write_packet, + mpjpeg_write_trailer, +}; + + +/*************************************/ +/* single frame JPEG */ + +static int single_jpeg_write_header(AVFormatContext *s) +{ + return 0; +} + +static int single_jpeg_write_packet(AVFormatContext *s, int stream_index, + const uint8_t *buf, int size, int64_t pts) +{ + put_buffer(&s->pb, buf, size); + put_flush_packet(&s->pb); + return 1; /* no more data can be sent */ +} + +static int single_jpeg_write_trailer(AVFormatContext *s) +{ + return 0; +} + +static AVOutputFormat single_jpeg_format = { + "singlejpeg", + "single JPEG image", + "image/jpeg", + NULL, /* note: no extension to favorize jpeg multiple images match */ + 0, + CODEC_ID_NONE, + CODEC_ID_MJPEG, + single_jpeg_write_header, + single_jpeg_write_packet, + single_jpeg_write_trailer, +}; + +int jpeg_init(void) +{ + av_register_output_format(&mpjpeg_format); + av_register_output_format(&single_jpeg_format); + return 0; +}