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authoraustriancoder <austriancoder>2005-08-15 17:28:49 +0000
committeraustriancoder <austriancoder>2005-08-15 17:28:49 +0000
commit290038f3de13b728cab6d3db7729078482903844 (patch)
treeb83287be6ad0602f7f73a91c11b36074e5062be0 /dxr3ffmpeg.c
parent8955b4dfa419698ecb853bb8f1cdc1fe96d206d6 (diff)
downloadvdr-plugin-dxr3-290038f3de13b728cab6d3db7729078482903844.tar.gz
vdr-plugin-dxr3-290038f3de13b728cab6d3db7729078482903844.tar.bz2
HEAD = 0.2.3 release, because i want to start my coding with this codebase
Diffstat (limited to 'dxr3ffmpeg.c')
-rw-r--r--dxr3ffmpeg.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/dxr3ffmpeg.c b/dxr3ffmpeg.c
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+/*
+ * dxr3ffmpeg.c
+ *
+ * Copyright (C) 2004 Christian Gmeiner
+ *
+ * This program 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.
+ *
+ * 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 Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include "dxr3ffmpeg.h"
+#include "dxr3configdata.h"
+#include <vdr/tools.h>
+
+// ==================================
+//! constructor
+cDxr3Ffmepg::cDxr3Ffmepg()
+{
+ avcodec_init();
+ // Register only codec(s) we'll need.
+ register_avcodec(&mp2_decoder);
+}
+
+// ==================================
+//! look if Codec is supported by ffmpeg
+bool cDxr3Ffmepg::FindCodec(struct Dxr3Codec& Codec)
+{
+ // find codec
+ Codec.codec = avcodec_find_decoder(Codec.id);
+
+ if (!Codec.codec)
+ {
+ esyslog("dxr3: ffmpeg: codec %#.5x not found - not supported"
+ " by FFmpeg?", Codec.id);
+ return false;
+ }
+
+ // init codec_context
+ memset(&Codec.codec_context, 0, sizeof(Codec.codec_context));
+
+ return true;
+}
+
+// ==================================
+//! try to open Codec
+bool cDxr3Ffmepg::OpenCodec(struct Dxr3Codec& Codec)
+{
+ // try to open codec
+ int result = avcodec_open(&Codec.codec_context, Codec.codec);
+
+ if (result < 0)
+ {
+ esyslog("dxr3: ffmpeg: couldn't open codec %#.5x", Codec.id);
+ return false;
+ }
+ else
+ {
+ Codec.Open = true;
+ }
+
+ return true;
+}
+
+// ==================================
+//! close codec
+void cDxr3Ffmepg::CloseCodec(struct Dxr3Codec& Codec)
+{
+ if (Codec.Open)
+ {
+ avcodec_close(&Codec.codec_context);
+ Codec.Open = false;
+ }
+}
+
+// Local variables:
+// mode: c++
+// c-file-style: "stroustrup"
+// c-file-offsets: ((inline-open . 0))
+// indent-tabs-mode: t
+// End: