1 files changed, 173 insertions, 0 deletions
diff --git a/src/video_dec/libmpeg2/xine_mpeg2_decoder.c b/src/video_dec/libmpeg2/xine_mpeg2_decoder.c
new file mode 100644
index 000000000..c4c7fac2d
--- /dev/null
+++ b/src/video_dec/libmpeg2/xine_mpeg2_decoder.c
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2000-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine 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.
+ *
+ * xine 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * stuff needed to turn libmpeg2 into a xine decoder plugin
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define LOG_MODULE "mpeg2_decoder"
+#define LOG_VERBOSE
+/*
+#define LOG
+*/
+
+#include <xine/xine_internal.h>
+#include <xine/video_out.h>
+#include "mpeg2.h"
+#include "mpeg2_internal.h"
+#include <xine/buffer.h>
+
+typedef struct {
+  video_decoder_class_t   decoder_class;
+} mpeg2_class_t;
+
+
+typedef struct mpeg2dec_decoder_s {
+  video_decoder_t  video_decoder;
+  mpeg2dec_t       mpeg2;
+  mpeg2_class_t   *class;
+  xine_stream_t   *stream;
+} mpeg2dec_decoder_t;
+
+static void mpeg2dec_decode_data (video_decoder_t *this_gen, buf_element_t *buf) {
+  mpeg2dec_decoder_t *this = (mpeg2dec_decoder_t *) this_gen;
+
+  lprintf ("decode_data, flags=0x%08x ...\n", buf->decoder_flags);
+
+  /* handle aspect hints from xine-dvdnav */
+  if (buf->decoder_flags & BUF_FLAG_SPECIAL) {
+    if (buf->decoder_info[1] == BUF_SPECIAL_ASPECT) {
+      this->mpeg2.force_aspect = buf->decoder_info[2];
+      if (buf->decoder_info[3] == 0x1 && buf->decoder_info[2] == 3)
+	/* letterboxing is denied, we have to do pan&scan */
+	this->mpeg2.force_pan_scan = 1;
+      else
+	this->mpeg2.force_pan_scan = 0;
+    }
+    return;
+  }
+
+  if (buf->decoder_flags & BUF_FLAG_PREVIEW) {
+    mpeg2_find_sequence_header (&this->mpeg2, buf->content, buf->content + buf->size);
+  } else {
+
+    mpeg2_decode_data (&this->mpeg2, buf->content, buf->content + buf->size,
+		       buf->pts);
+  }
+
+  lprintf ("decode_data...done\n");
+}
+
+static void mpeg2dec_flush (video_decoder_t *this_gen) {
+  mpeg2dec_decoder_t *this = (mpeg2dec_decoder_t *) this_gen;
+
+  lprintf ("flush\n");
+
+  mpeg2_flush (&this->mpeg2);
+}
+
+static void mpeg2dec_reset (video_decoder_t *this_gen) {
+  mpeg2dec_decoder_t *this = (mpeg2dec_decoder_t *) this_gen;
+
+  mpeg2_reset (&this->mpeg2);
+}
+
+static void mpeg2dec_discontinuity (video_decoder_t *this_gen) {
+  mpeg2dec_decoder_t *this = (mpeg2dec_decoder_t *) this_gen;
+
+  mpeg2_discontinuity (&this->mpeg2);
+}
+
+static void mpeg2dec_dispose (video_decoder_t *this_gen) {
+
+  mpeg2dec_decoder_t *this = (mpeg2dec_decoder_t *) this_gen;
+
+  lprintf ("close\n");
+
+  mpeg2_close (&this->mpeg2);
+
+  this->stream->video_out->close(this->stream->video_out, this->stream);
+
+  free (this);
+}
+
+static video_decoder_t *open_plugin (video_decoder_class_t *class_gen, xine_stream_t *stream) {
+  mpeg2dec_decoder_t *this ;
+
+  this = (mpeg2dec_decoder_t *) calloc(1, sizeof(mpeg2dec_decoder_t));
+
+  this->video_decoder.decode_data         = mpeg2dec_decode_data;
+  this->video_decoder.flush               = mpeg2dec_flush;
+  this->video_decoder.reset               = mpeg2dec_reset;
+  this->video_decoder.discontinuity       = mpeg2dec_discontinuity;
+  this->video_decoder.dispose             = mpeg2dec_dispose;
+  this->stream                            = stream;
+  this->class                             = (mpeg2_class_t *) class_gen;
+  this->mpeg2.stream = stream;
+
+  mpeg2_init (&this->mpeg2, stream->video_out);
+  (stream->video_out->open) (stream->video_out, stream);
+  this->mpeg2.force_aspect = this->mpeg2.force_pan_scan = 0;
+
+  return &this->video_decoder;
+}
+
+/*
+ * mpeg2 plugin class
+ */
+static void *init_plugin (xine_t *xine, void *data) {
+
+  mpeg2_class_t *this;
+
+  this = (mpeg2_class_t *) calloc(1, sizeof(mpeg2_class_t));
+
+  this->decoder_class.open_plugin     = open_plugin;
+  this->decoder_class.identifier      = "mpeg2dec";
+  this->decoder_class.description     = N_("mpeg2 based video decoder plugin");
+  this->decoder_class.dispose         = default_video_decoder_class_dispose;
+
+  return this;
+}
+/*
+ * exported plugin catalog entry
+ */
+
+static const uint32_t supported_types[] = { BUF_VIDEO_MPEG, 0 };
+
+static const decoder_info_t dec_info_mpeg2 = {
+  supported_types,     /* supported types */
+  7                    /* priority        */
+};
+
+const plugin_info_t xine_plugin_info[] EXPORTED = {
+  /* type, API, "name", version, special_info, init_function */
+  { PLUGIN_VIDEO_DECODER, 19, "mpeg2", XINE_VERSION_CODE, &dec_info_mpeg2, init_plugin },
+  { PLUGIN_NONE, 0, "", 0, NULL, NULL }
+};