--- /dev/null
+/*
+ * Miscellaneous MJPEG based formats
+ * Copyright (c) 2000 Gerard Lantau.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include "avformat.h"
+
+/* Multipart JPEG */
+
+#define BOUNDARY_TAG "ffserver"
+
+static int mpjpeg_write_header(AVFormatContext *s)
+{
+ UINT8 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, UINT8 *buf, int size)
+{
+ UINT8 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;
+}
+
+AVFormat mpjpeg_format = {
+ "mpjpeg",
+ "Mime multipart JPEG format",
+ "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
+ "mjpg",
+ 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,
+ UINT8 *buf, int size)
+{
+ 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;
+}
+
+AVFormat single_jpeg_format = {
+ "singlejpeg",
+ "single JPEG image",
+ "image/jpeg",
+ "jpg,jpeg",
+ CODEC_ID_NONE,
+ CODEC_ID_MJPEG,
+ single_jpeg_write_header,
+ single_jpeg_write_packet,
+ single_jpeg_write_trailer,
+};
+
+/*************************************/
+/* multiple jpeg images */
+
+typedef struct JpegContext {
+ char path[1024];
+ int img_number;
+} JpegContext;
+
+static int jpeg_write_header(AVFormatContext *s1)
+{
+ JpegContext *s;
+
+ s = av_mallocz(sizeof(JpegContext));
+ if (!s)
+ return -1;
+ s1->priv_data = s;
+ nstrcpy(s->path, sizeof(s->path), s1->filename);
+ s->img_number = 1;
+ return 0;
+}
+
+static int jpeg_write_packet(AVFormatContext *s1, int stream_index,
+ UINT8 *buf, int size)
+{
+ JpegContext *s = s1->priv_data;
+ char filename[1024];
+ ByteIOContext f1, *pb = &f1;
+
+ snprintf(filename, sizeof(filename), s->path, s->img_number);
+ if (url_fopen(pb, filename, URL_WRONLY) < 0)
+ return -EIO;
+
+ put_buffer(pb, buf, size);
+ put_flush_packet(pb);
+
+ url_fclose(pb);
+ s->img_number++;
+
+ return 0;
+}
+
+static int jpeg_write_trailer(AVFormatContext *s1)
+{
+ JpegContext *s = s1->priv_data;
+ free(s);
+ return 0;
+}
+
+/***/
+
+static int jpeg_read_header(AVFormatContext *s1, AVFormatParameters *ap)
+{
+ JpegContext *s;
+ int i;
+ char buf[1024];
+ ByteIOContext pb1, *f = &pb1;
+ AVStream *st;
+
+ s = av_mallocz(sizeof(JpegContext));
+ if (!s)
+ return -1;
+ s1->priv_data = s;
+ nstrcpy(s->path, sizeof(s->path), s1->filename);
+
+ s1->nb_streams = 1;
+ st = av_mallocz(sizeof(AVStream));
+ if (!st) {
+ free(s);
+ return -ENOMEM;
+ }
+ s1->streams[0] = st;
+ s->img_number = 0;
+
+ /* try to find the first image */
+ for(i=0;i<5;i++) {
+ snprintf(buf, sizeof(buf), s->path, s->img_number);
+ if (url_fopen(f, buf, URL_RDONLY) >= 0)
+ break;
+ s->img_number++;
+ }
+ if (i == 5)
+ goto fail;
+ url_fclose(f);
+ st->codec.codec_type = CODEC_TYPE_VIDEO;
+ st->codec.codec_id = CODEC_ID_MJPEG;
+
+ if (!ap || !ap->frame_rate)
+ st->codec.frame_rate = 25 * FRAME_RATE_BASE;
+ else
+ st->codec.frame_rate = ap->frame_rate;
+ return 0;
+ fail:
+ free(s);
+ return -EIO;
+}
+
+static int jpeg_read_packet(AVFormatContext *s1, AVPacket *pkt)
+{
+ JpegContext *s = s1->priv_data;
+ char filename[1024];
+ int size;
+ ByteIOContext f1, *f = &f1;
+
+ snprintf(filename, sizeof(filename), s->path, s->img_number);
+
+ f = &f1;
+ if (url_fopen(f, filename, URL_RDONLY) < 0)
+ return -EIO;
+
+ size = url_seek(url_fileno(f), 0, SEEK_END);
+ url_seek(url_fileno(f), 0, SEEK_SET);
+
+ av_new_packet(pkt, size);
+ pkt->stream_index = 0;
+ get_buffer(f, pkt->data, size);
+
+ url_fclose(f);
+ s->img_number++;
+ return 0;
+}
+
+static int jpeg_read_close(AVFormatContext *s1)
+{
+ JpegContext *s = s1->priv_data;
+ free(s);
+ return 0;
+}
+
+AVFormat jpeg_format = {
+ "jpeg",
+ "JPEG image",
+ "image/jpeg",
+ "jpg,jpeg",
+ CODEC_ID_NONE,
+ CODEC_ID_MJPEG,
+ jpeg_write_header,
+ jpeg_write_packet,
+ jpeg_write_trailer,
+
+ jpeg_read_header,
+ jpeg_read_packet,
+ jpeg_read_close,
+ NULL,
+ AVFMT_NOFILE,
+};
+++ /dev/null
-/*
- * Miscellaneous MJPEG based formats
- * Copyright (c) 2000 Gerard Lantau.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include "avformat.h"
-
-/* Multipart JPEG */
-
-#define BOUNDARY_TAG "ffserver"
-
-static int mpjpeg_write_header(AVFormatContext *s)
-{
- UINT8 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, UINT8 *buf, int size)
-{
- UINT8 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;
-}
-
-AVFormat mpjpeg_format = {
- "mpjpeg",
- "Mime multipart JPEG format",
- "multipart/x-mixed-replace;boundary=" BOUNDARY_TAG,
- "mjpg",
- CODEC_ID_NONE,
- CODEC_ID_MJPEG,
- mpjpeg_write_header,
- mpjpeg_write_packet,
- mpjpeg_write_trailer,
-};
-
-
-/* single frame JPEG */
-
-static int jpeg_write_header(AVFormatContext *s)
-{
- return 0;
-}
-
-static int jpeg_write_packet(AVFormatContext *s, int stream_index,
- UINT8 *buf, int size)
-{
- put_buffer(&s->pb, buf, size);
- put_flush_packet(&s->pb);
- return 1; /* no more data can be sent */
-}
-
-static int jpeg_write_trailer(AVFormatContext *s)
-{
- return 0;
-}
-
-AVFormat jpeg_format = {
- "jpeg",
- "JPEG image",
- "image/jpeg",
- "jpg,jpeg",
- CODEC_ID_NONE,
- CODEC_ID_MJPEG,
- jpeg_write_header,
- jpeg_write_packet,
- jpeg_write_trailer,
-};
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