gst/mxf/: Add initial support for JPEG2000 encoded video essence.

Original commit message from CVS:
* gst/mxf/Makefile.am:
* gst/mxf/mxfdemux.c:
(gst_mxf_demux_handle_header_metadata_update_streams):
* gst/mxf/mxfjpeg2000.c: (mxf_is_jpeg2000_video_essence_track),
(mxf_jpeg2000_handle_essence_element), (mxf_jpeg2000_create_caps):
* gst/mxf/mxfjpeg2000.h:
Add initial support for JPEG2000 encoded video essence.
* gst/mxf/mxfparse.c:
(mxf_metadata_generic_picture_essence_descriptor_set_caps):
Set the framerate in the video caps.

ChangeLog

@@ -1,3 +1,17 @@
+2008-11-29  Sebastian Dröge  <sebastian.droege@collabora.co.uk>
+
+	* gst/mxf/Makefile.am:
+	* gst/mxf/mxfdemux.c:
+	(gst_mxf_demux_handle_header_metadata_update_streams):
+	* gst/mxf/mxfjpeg2000.c: (mxf_is_jpeg2000_video_essence_track),
+	(mxf_jpeg2000_handle_essence_element), (mxf_jpeg2000_create_caps):
+	* gst/mxf/mxfjpeg2000.h:
+	Add initial support for JPEG2000 encoded video essence.
+
+	* gst/mxf/mxfparse.c:
+	(mxf_metadata_generic_picture_essence_descriptor_set_caps):
+	Set the framerate in the video caps.
+
 2008-11-29  Sebastian Dröge  <sebastian.droege@collabora.co.uk>
 
 	* ext/jp2k/gstjasperdec.c: (gst_jasper_dec_sink_setcaps):

gst/mxf/Makefile.am

@@ -7,7 +7,8 @@ libgstmxf_la_SOURCES = \
 	mxfaes-bwf.c \
 	mxfmpeg.c \
 	mxfdv-dif.c \
-	mxfalaw.c
+	mxfalaw.c \
+	mxfjpeg2000.c
 
 libgstmxf_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS)
 libgstmxf_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS)
@@ -20,5 +21,6 @@ noinst_HEADERS = \
 	mxfmpeg.h \
 	mxfdv-dif.h \
 	mxfalaw.h \
+	mxfjpeg2000.h \
 	mxftypes.h
 

gst/mxf/mxfdemux.c

@@ -19,7 +19,7 @@
 
 /* TODO:
  *   - start at correct position of the component, switch components
- *   - RandomIndex / IndexSegment support
+ *   - seeking support
  *   - timecode tracks
  *   - descriptive metadata
  *   - generic container system items
@@ -35,6 +35,7 @@
 #include "mxfmpeg.h"
 #include "mxfdv-dif.h"
 #include "mxfalaw.h"
+#include "mxfjpeg2000.h"
 
 #include <string.h>
 
@@ -1292,8 +1293,9 @@ gst_mxf_demux_handle_header_metadata_resolve_references (GstMXFDemux * demux)
           MXFMetadataEssenceContainerData, i);
 
       for (j = 0; j < demux->content_storage.n_essence_container_data; j++) {
-        if (mxf_ul_is_equal (&demux->content_storage.
-                essence_container_data_uids[j], &data->instance_uid)) {
+        if (mxf_ul_is_equal (&demux->
+                content_storage.essence_container_data_uids[j],
+                &data->instance_uid)) {
           demux->content_storage.essence_container_data[j] = data;
           break;
         }
@@ -1833,6 +1835,10 @@ choose_package:
           caps =
               mxf_dv_dif_create_caps (source_package, source_track,
               &pad->tags, &pad->handle_essence_element, &pad->mapping_data);
+        else if (mxf_is_jpeg2000_video_essence_track (source_track))
+          caps =
+              mxf_jpeg2000_create_caps (source_package, source_track,
+              &pad->tags, &pad->handle_essence_element, &pad->mapping_data);
         break;
       case MXF_METADATA_TRACK_SOUND_ESSENCE:
         if (mxf_is_aes_bwf_essence_track (source_track))

gst/mxf/mxfjpeg2000.c

@@ -0,0 +1,132 @@
+/* GStreamer
+ * Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* Implementation of SMPTE 422M - Mapping JPEG2000 codestreams into the MXF
+ * Generic Container
+ */
+
+/* TODO:
+ *  - parse the jpeg2000 sub-descriptor, see SMPTE 422M 7.2
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <string.h>
+
+#include "mxfjpeg2000.h"
+
+GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
+#define GST_CAT_DEFAULT mxf_debug
+
+gboolean
+mxf_is_jpeg2000_video_essence_track (const MXFMetadataTrack * track)
+{
+  guint i;
+
+  g_return_val_if_fail (track != NULL, FALSE);
+
+  if (track->descriptor == NULL)
+    return FALSE;
+
+  for (i = 0; i < track->n_descriptor; i++) {
+    MXFMetadataFileDescriptor *d = track->descriptor[i];
+    MXFUL *key = &d->essence_container;
+    /* SMPTE 422M 5.4 */
+    if (mxf_is_generic_container_essence_container_label (key) &&
+        key->u[12] == 0x02 && key->u[13] == 0x0c &&
+        (key->u[14] == 0x01 || key->u[14] == 0x02))
+      return TRUE;
+  }
+
+  return FALSE;
+}
+
+static GstFlowReturn
+mxf_jpeg2000_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
+    GstCaps * caps, MXFMetadataGenericPackage * package,
+    MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
+    gpointer mapping_data, GstBuffer ** outbuf)
+{
+  *outbuf = buffer;
+
+  /* SMPTE 422M 5.1 */
+  if (key->u[12] != 0x15 || (key->u[14] != 0x08 && key->u[14] != 0x09)) {
+    GST_ERROR ("Invalid JPEG2000 essence element");
+    return GST_FLOW_ERROR;
+  }
+
+  return GST_FLOW_OK;
+}
+
+
+GstCaps *
+mxf_jpeg2000_create_caps (MXFMetadataGenericPackage * package,
+    MXFMetadataTrack * track, GstTagList ** tags,
+    MXFEssenceElementHandler * handler, gpointer * mapping_data)
+{
+  MXFMetadataFileDescriptor *f = NULL;
+  MXFMetadataGenericPictureEssenceDescriptor *p = NULL;
+  guint i;
+  GstCaps *caps = NULL;
+
+  g_return_val_if_fail (package != NULL, NULL);
+  g_return_val_if_fail (track != NULL, NULL);
+
+  if (track->descriptor == NULL) {
+    GST_ERROR ("No descriptor found for this track");
+    return NULL;
+  }
+
+  for (i = 0; i < track->n_descriptor; i++) {
+    if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+        MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR ||
+        ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+        MXF_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR ||
+        ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+        MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR) {
+      p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
+      f = track->descriptor[i];
+      break;
+    } else if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->
+        is_file_descriptor
+        && ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type !=
+        MXF_METADATA_MULTIPLE_DESCRIPTOR) {
+      f = track->descriptor[i];
+    }
+  }
+
+  if (!f) {
+    GST_ERROR ("No descriptor found for this track");
+    return NULL;
+  }
+
+  *handler = mxf_jpeg2000_handle_essence_element;
+
+  caps = gst_caps_new_simple ("image/jp2", NULL);
+  if (p) {
+    mxf_metadata_generic_picture_essence_descriptor_set_caps (p, caps);
+  } else {
+    GST_WARNING ("Only a generic file descriptor found");
+  }
+
+  return caps;
+}

gst/mxf/mxfjpeg2000.h

@@ -0,0 +1,36 @@
+/* GStreamer
+ * Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* Implementation of SMPTE 422M - Mapping JPEG2000 codestreams into the MXF
+ * Generic Container
+ */
+
+#ifndef __MXF_JPEG2000_H__
+#define __MXF_JPEG2000_H__
+
+#include <gst/gst.h>
+
+#include "mxfparse.h"
+
+gboolean mxf_is_jpeg2000_video_essence_track (const MXFMetadataTrack *track);
+
+GstCaps *
+mxf_jpeg2000_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
+
+#endif /* __MXF_JPEG2000_H__ */

gst/mxf/mxfparse.c

@@ -2582,10 +2582,14 @@ void mxf_metadata_generic_picture_essence_descriptor_set_caps
 {
   guint par_n, par_d;
   guint width, height;
+  MXFMetadataFileDescriptor *f = (MXFMetadataFileDescriptor *) descriptor;
 
   g_return_if_fail (descriptor != NULL);
   g_return_if_fail (GST_IS_CAPS (caps));
 
+  gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, f->sample_rate.n,
+      f->sample_rate.d, NULL);
+
   width = descriptor->stored_width;
   height = descriptor->stored_height;