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authorAnton Khirnov <wyskas@gmail.com>2010-12-28 09:03:33 +0000
committerAnton Khirnov <wyskas@gmail.com>2010-12-28 09:03:33 +0000
commit645439c3c3ce39114e4f46a9198cd8b9a11c3e66 (patch)
tree15eafcd3aa715fe281f5a8938576d9a692bf446e /libavformat/ffmetaenc.c
parentb5670209438481f21addc8b7c4891627dd5ddac7 (diff)
downloadffmpeg-645439c3c3ce39114e4f46a9198cd8b9a11c3e66.tar.gz
lavf: rename meta{dec,enc}.c -> ffmeta{dec,enc}.c
Originally committed as revision 26113 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/ffmetaenc.c')
-rw-r--r--libavformat/ffmetaenc.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/libavformat/ffmetaenc.c b/libavformat/ffmetaenc.c
new file mode 100644
index 0000000000..65ab363a1b
--- /dev/null
+++ b/libavformat/ffmetaenc.c
@@ -0,0 +1,100 @@
+/*
+ * Metadata muxer
+ * Copyright (c) 2010 Anton Khirnov
+ *
+ * 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"
+#include "meta.h"
+
+
+static void write_escape_str(ByteIOContext *s, const uint8_t *str)
+{
+ const uint8_t *p = str;
+
+ while (*p) {
+ if (*p == '#' || *p == ';' || *p == '=' || *p == '\\' || *p == '\n')
+ put_byte(s, '\\');
+ put_byte(s, *p);
+ p++;
+ }
+}
+
+static void write_tags(ByteIOContext *s, AVMetadata *m)
+{
+ AVMetadataTag *t = NULL;
+ while ((t = av_metadata_get(m, "", t, AV_METADATA_IGNORE_SUFFIX))) {
+ write_escape_str(s, t->key);
+ put_byte(s, '=');
+ write_escape_str(s, t->value);
+ put_byte(s, '\n');
+ }
+}
+
+static int write_header(AVFormatContext *s)
+{
+ put_tag(s->pb, ID_STRING);
+ put_byte(s->pb, '1'); // version
+ put_byte(s->pb, '\n');
+ put_flush_packet(s->pb);
+ return 0;
+}
+
+static int write_trailer(AVFormatContext *s)
+{
+ int i;
+
+ write_tags(s->pb, s->metadata);
+
+ for (i = 0; i < s->nb_streams; i++) {
+ put_tag(s->pb, ID_STREAM);
+ put_byte(s->pb, '\n');
+ write_tags(s->pb, s->streams[i]->metadata);
+ }
+
+ for (i = 0; i < s->nb_chapters; i++) {
+ AVChapter *ch = s->chapters[i];
+ put_tag(s->pb, ID_CHAPTER);
+ put_byte(s->pb, '\n');
+ url_fprintf(s->pb, "TIMEBASE=%d/%d\n", ch->time_base.num, ch->time_base.den);
+ url_fprintf(s->pb, "START=%lld\n", ch->start);
+ url_fprintf(s->pb, "END=%lld\n", ch->end);
+ write_tags(s->pb, ch->metadata);
+ }
+
+ put_flush_packet(s->pb);
+
+ return 0;
+}
+
+static int write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ return 0;
+}
+
+AVOutputFormat ffmetadata_muxer = {
+ .name = "ffmetadata",
+ .long_name = NULL_IF_CONFIG_SMALL("FFmpeg metadata in text format"),
+ .extensions = "ffmeta",
+ .video_codec = CODEC_ID_NONE,
+ .audio_codec = CODEC_ID_NONE,
+ .write_header = write_header,
+ .write_packet = write_packet,
+ .write_trailer = write_trailer,
+ .flags = AVFMT_NOTIMESTAMPS | AVFMT_NOSTREAMS,
+};