making act segmenter

1 files changed, 69 insertions, 0 deletions

diff --git a/ffmpeg/libavformat/mpjpeg.c b/ffmpeg/libavformat/mpjpeg.c
new file mode 100644
index 0000000..916938f
--- /dev/null
+++ b/ffmpeg/libavformat/mpjpeg.c
@@ -0,0 +1,69 @@
+/*
+ * Multipart JPEG format
+ * Copyright (c) 2000, 2001, 2002, 2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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\r\n", BOUNDARY_TAG);
+    avio_write(s->pb, buf1, strlen(buf1));
+    avio_flush(s->pb);
+    return 0;
+}
+
+static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+    uint8_t buf1[256];
+
+    snprintf(buf1, sizeof(buf1), "Content-type: image/jpeg\r\n");
+    avio_write(s->pb, buf1, strlen(buf1));
+
+    snprintf(buf1, sizeof(buf1), "Content-length: %d\r\n\r\n", pkt->size);
+    avio_write(s->pb, buf1, strlen(buf1));
+    avio_write(s->pb, pkt->data, pkt->size);
+
+    snprintf(buf1, sizeof(buf1), "\r\n--%s\r\n", BOUNDARY_TAG);
+    avio_write(s->pb, buf1, strlen(buf1));
+    avio_flush(s->pb);
+    return 0;
+}
+
+static int mpjpeg_write_trailer(AVFormatContext *s)
+{
+    return 0;
+}
+
+AVOutputFormat ff_mpjpeg_muxer = {
+    .name              = "mpjpeg",
+    .long_name         = NULL_IF_CONFIG_SMALL("MIME multipart JPEG"),
+    .mime_type         = "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
+    .extensions        = "mjpg",
+    .audio_codec       = AV_CODEC_ID_NONE,
+    .video_codec       = AV_CODEC_ID_MJPEG,
+    .write_header      = mpjpeg_write_header,
+    .write_packet      = mpjpeg_write_packet,
+    .write_trailer     = mpjpeg_write_trailer,
+};