Add first version of an MXF demuxer. Currently it supports

Original commit message from CVS:
* configure.ac:
* gst/mxf/Makefile.am:
* gst/mxf/mxf.c: (plugin_init):
* gst/mxf/mxfaes-bwf.c:
(mxf_metadata_wave_audio_essence_descriptor_parse),
(mxf_metadata_wave_audio_essence_descriptor_reset),
(mxf_is_aes_bwf_essence_track), (mxf_bwf_handle_essence_element),
(mxf_bwf_create_caps), (mxf_aes_bwf_create_caps):
* gst/mxf/mxfaes-bwf.h:
* gst/mxf/mxfdemux.c: (gst_mxf_pad_finalize),
(gst_mxf_pad_class_init), (gst_mxf_pad_init),
(gst_mxf_demux_flush), (gst_mxf_demux_remove_pad),
(gst_mxf_demux_reset_mxf_state), (gst_mxf_demux_reset_metadata),
(gst_mxf_demux_reset), (gst_mxf_demux_pull_range),
(gst_mxf_demux_push_src_event),
(gst_mxf_demux_handle_partition_pack),
(gst_mxf_demux_handle_primer_pack),
(gst_mxf_demux_handle_metadata_preface),
(gst_mxf_demux_handle_metadata_identification),
(gst_mxf_demux_handle_metadata_content_storage),
(gst_mxf_demux_handle_metadata_essence_container_data),
(gst_mxf_demux_handle_metadata_material_package),
(gst_mxf_demux_handle_metadata_source_package),
(gst_mxf_demux_handle_metadata_track),
(gst_mxf_demux_handle_metadata_sequence),
(gst_mxf_demux_handle_metadata_structural_component),
(gst_mxf_demux_handle_metadata_generic_descriptor),
(gst_mxf_demux_handle_metadata_file_descriptor),
(gst_mxf_demux_handle_metadata_multiple_descriptor),
(gst_mxf_demux_handle_metadata_generic_picture_essence_descriptor),
(gst_mxf_demux_handle_metadata_cdci_picture_essence_descriptor),
(gst_mxf_demux_handle_metadata_mpeg_video_descriptor),
(gst_mxf_demux_handle_metadata_generic_sound_essence_descriptor),
(gst_mxf_demux_handle_metadata_wave_audio_essence_descriptor),
(gst_mxf_demux_handle_metadata_locator),
(gst_mxf_demux_handle_header_metadata_resolve_references),
(gst_mxf_demux_handle_header_metadata_update_streams),
(gst_mxf_demux_handle_metadata),
(gst_mxf_demux_handle_generic_container_system_item),
(gst_mxf_demux_handle_generic_container_essence_element),
(gst_mxf_demux_handle_random_index_pack),
(gst_mxf_demux_handle_index_table_segment),
(gst_mxf_demux_pull_klv_packet),
(gst_mxf_demux_parse_footer_metadata),
(gst_mxf_demux_handle_klv_packet),
(gst_mxf_demux_pull_and_handle_klv_packet), (gst_mxf_demux_loop),
(gst_mxf_demux_chain), (gst_mxf_demux_src_event),
(gst_mxf_demux_src_query_type), (gst_mxf_demux_src_query),
(gst_mxf_demux_sink_activate), (gst_mxf_demux_sink_activate_push),
(gst_mxf_demux_sink_activate_pull), (gst_mxf_demux_sink_event),
(gst_mxf_demux_change_state), (gst_mxf_demux_finalize),
(gst_mxf_demux_base_init), (gst_mxf_demux_class_init),
(gst_mxf_demux_init):
* gst/mxf/mxfdemux.h:
* gst/mxf/mxfmpeg.c: (mxf_metadata_mpeg_video_descriptor_parse),
(mxf_metadata_mpeg_video_descriptor_reset),
(mxf_is_mpeg_video_essence_track),
(mxf_mpeg_video_handle_essence_element),
(mxf_mpeg_video_create_caps):
* gst/mxf/mxfmpeg.h:
* gst/mxf/mxfparse.c: (mxf_is_mxf_packet), (mxf_is_partition_pack),
(mxf_is_header_partition_pack), (mxf_is_body_partition_pack),
(mxf_is_footer_partition_pack), (mxf_is_fill),
(mxf_is_primer_pack), (mxf_is_metadata),
(mxf_is_random_index_pack), (mxf_is_index_table_segment),
(mxf_is_generic_container_system_item),
(mxf_is_generic_container_essence_element),
(mxf_is_generic_container_essence_container_label),
(mxf_ul_is_equal), (mxf_ul_is_zero), (mxf_ul_to_string),
(mxf_umid_is_equal), (mxf_umid_is_zero), (mxf_umid_to_string),
(gst_mxf_ul_hash), (gst_mxf_ul_equal), (mxf_timestamp_parse),
(mxf_timestamp_is_unknown), (mxf_timestamp_compare),
(mxf_fraction_parse), (mxf_utf16_to_utf8),
(mxf_product_version_parse), (mxf_partition_pack_parse),
(mxf_partition_pack_reset), (_mxf_mapping_ul_free),
(mxf_primer_pack_parse), (mxf_primer_pack_reset),
(mxf_local_tag_parse), (gst_mxf_local_tag_free),
(gst_metadata_add_custom_tag), (mxf_metadata_preface_parse),
(mxf_metadata_preface_reset), (mxf_metadata_identification_parse),
(mxf_metadata_identification_reset),
(mxf_metadata_content_storage_parse),
(mxf_metadata_content_storage_reset),
(mxf_metadata_essence_container_data_parse),
(mxf_metadata_essence_container_data_reset),
(mxf_metadata_generic_package_parse),
(mxf_metadata_generic_package_reset), (mxf_metadata_track_parse),
(mxf_metadata_track_reset), (mxf_metadata_track_identifier_parse),
(mxf_metadata_sequence_parse), (mxf_metadata_sequence_reset),
(mxf_metadata_structural_component_parse),
(mxf_metadata_structural_component_reset),
(mxf_metadata_generic_descriptor_parse),
(mxf_metadata_generic_descriptor_reset),
(mxf_metadata_file_descriptor_parse),
(mxf_metadata_file_descriptor_reset),
(mxf_metadata_generic_sound_essence_descriptor_parse),
(mxf_metadata_generic_sound_essence_descriptor_reset),
(mxf_metadata_generic_picture_essence_descriptor_parse),
(mxf_metadata_generic_picture_essence_descriptor_reset),
(mxf_metadata_cdci_picture_essence_descriptor_parse),
(mxf_metadata_cdci_picture_essence_descriptor_reset),
(mxf_metadata_multiple_descriptor_parse),
(mxf_metadata_multiple_descriptor_reset),
(mxf_metadata_locator_parse), (mxf_metadata_locator_reset):
* gst/mxf/mxfparse.h:
* gst/mxf/mxftypes.h:
Add first version of an MXF demuxer. Currently it supports
MPEG video and raw audio and OP 1a/b/c.

1 files changed, 318 insertions, 0 deletions

diff --git a/gst/mxf/mxfmpeg.c b/gst/mxf/mxfmpeg.c
new file mode 100644
index 00000000..e46d5388
--- /dev/null
+++ b/gst/mxf/mxfmpeg.c
@@ -0,0 +1,318 @@
+/* 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 381M - Mapping MPEG streams into the MXF
+ * Generic Container
+ */
+
+/* TODO:
+ * - Handle PES streams
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <string.h>
+
+#include "mxfmpeg.h"
+
+GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
+#define GST_CAT_DEFAULT mxf_debug
+
+/* SMPTE 381M 8.1 - ULs of local tags */
+static const guint8 _single_sequence_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x02, 0x00, 0x00
+};
+
+static const guint8 _constant_b_frames_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x03, 0x00, 0x00
+};
+
+static const guint8 _coded_content_type_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x04, 0x00, 0x00
+};
+
+static const guint8 _low_delay_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x05, 0x00, 0x00
+};
+
+static const guint8 _closed_gop_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x06, 0x00, 0x00
+};
+
+static const guint8 _identical_gop_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x07, 0x00, 0x00
+};
+
+static const guint8 _max_gop_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x08, 0x00, 0x00
+};
+
+static const guint8 _b_picture_count_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x09, 0x00, 0x00
+};
+
+static const guint8 _bitrate_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x0b, 0x00, 0x00
+};
+
+static const guint8 _profile_and_level_ul[] = {
+  0x06, 0x0e, 0x2b, 0x34, 0x01, 0x01, 0x01, 0x05, 0x04, 0x01, 0x06, 0x02, 0x01,
+  0x0a, 0x00, 0x00
+};
+
+gboolean
+mxf_metadata_mpeg_video_descriptor_parse (const MXFUL * key,
+    MXFMetadataMPEGVideoDescriptor * descriptor,
+    const MXFPrimerPack * primer, guint16 type, const guint8 * data, gsize size)
+{
+  guint16 tag, tag_size;
+  const guint8 *tag_data;
+
+  g_return_val_if_fail (data != NULL, FALSE);
+
+  memset (descriptor, 0, sizeof (MXFMetadataMPEGVideoDescriptor));
+
+  if (!mxf_metadata_cdci_picture_essence_descriptor_parse (key,
+          (MXFMetadataCDCIPictureEssenceDescriptor *) descriptor, primer, type,
+          data, size))
+    goto error;
+
+  while (mxf_local_tag_parse (data, size, &tag, &tag_size, &tag_data)) {
+    MXFUL *tag_ul = NULL;
+
+    if (tag_size == 0 || tag == 0x0000)
+      goto next;
+
+    if (!(tag_ul =
+            (MXFUL *) g_hash_table_lookup (primer->mappings,
+                GUINT_TO_POINTER (((guint) tag)))))
+      goto next;
+
+    if (memcmp (tag_ul, &_single_sequence_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 1)
+        goto error;
+      descriptor->single_sequence = GST_READ_UINT8 (tag_data);
+    } else if (memcmp (tag_ul, &_constant_b_frames_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 1)
+        goto error;
+      descriptor->const_b_frames = GST_READ_UINT8 (tag_data);
+    } else if (memcmp (tag_ul, &_coded_content_type_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 1)
+        goto error;
+      descriptor->coded_content_type = GST_READ_UINT8 (tag_data);
+    } else if (memcmp (tag_ul, &_low_delay_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 1)
+        goto error;
+      descriptor->low_delay = GST_READ_UINT8 (tag_data);
+    } else if (memcmp (tag_ul, &_closed_gop_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 1)
+        goto error;
+      descriptor->closed_gop = GST_READ_UINT8 (tag_data);
+    } else if (memcmp (tag_ul, &_identical_gop_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 1)
+        goto error;
+      descriptor->identical_gop = GST_READ_UINT8 (tag_data);
+    } else if (memcmp (tag_ul, &_max_gop_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 2)
+        goto error;
+      descriptor->max_gop = GST_READ_UINT16_BE (tag_data);
+    } else if (memcmp (tag_ul, &_b_picture_count_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 2)
+        goto error;
+      descriptor->b_picture_count = GST_READ_UINT16_BE (tag_data);
+    } else if (memcmp (tag_ul, &_bitrate_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 4)
+        goto error;
+      descriptor->bitrate = GST_READ_UINT32_BE (tag_data);
+    } else if (memcmp (tag_ul, &_profile_and_level_ul, 16) == 0) {
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (tag_size != 1)
+        goto error;
+      descriptor->profile_and_level = GST_READ_UINT8 (tag_data);
+    } else {
+      if (type != MXF_METADATA_MPEG_VIDEO_DESCRIPTOR)
+        goto next;
+      GST_WRITE_UINT16_BE (data, 0x0000);
+      if (!gst_metadata_add_custom_tag (primer, tag, tag_data, tag_size,
+              &((MXFMetadataGenericDescriptor *) descriptor)->other_tags))
+        goto error;
+    }
+  next:
+    data += 4 + tag_size;
+    size -= 4 + tag_size;
+  }
+
+  GST_DEBUG ("Parsed mpeg video descriptors:");
+  GST_DEBUG ("  single sequence = %s",
+      (descriptor->single_sequence) ? "yes" : "no");
+  GST_DEBUG ("  constant b frames = %s",
+      (descriptor->single_sequence) ? "yes" : "no");
+  GST_DEBUG ("  coded content type = %u", descriptor->coded_content_type);
+  GST_DEBUG ("  low delay = %s", (descriptor->low_delay) ? "yes" : "no");
+  GST_DEBUG ("  closed gop = %s", (descriptor->closed_gop) ? "yes" : "no");
+  GST_DEBUG ("  identical gop = %s",
+      (descriptor->identical_gop) ? "yes" : "no");
+  GST_DEBUG ("  max gop = %u", descriptor->max_gop);
+  GST_DEBUG ("  b picture count = %u", descriptor->b_picture_count);
+  GST_DEBUG ("  bitrate = %u", descriptor->bitrate);
+  GST_DEBUG ("  profile & level = %u", descriptor->profile_and_level);
+
+  return TRUE;
+
+error:
+  GST_ERROR ("Invalid mpeg video descriptor");
+  mxf_metadata_mpeg_video_descriptor_reset (descriptor);
+
+  return FALSE;
+}
+
+void mxf_metadata_mpeg_video_descriptor_reset
+    (MXFMetadataMPEGVideoDescriptor * descriptor)
+{
+  g_return_if_fail (descriptor != NULL);
+
+  mxf_metadata_cdci_picture_essence_descriptor_reset (
+      (MXFMetadataCDCIPictureEssenceDescriptor *) descriptor);
+
+  memset (descriptor, 0, sizeof (MXFMetadataMPEGVideoDescriptor));
+}
+
+gboolean
+mxf_is_mpeg_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 381M 7 */
+    if (mxf_is_generic_container_essence_container_label (key) &&
+        key->u[12] == 0x02 &&
+        (key->u[13] == 0x04 ||
+            key->u[13] == 0x07 || key->u[13] == 0x08 || key->u[13] == 0x09))
+      return TRUE;
+  }
+
+  return FALSE;
+}
+
+static GstFlowReturn
+mxf_mpeg_video_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
+    GstCaps * caps, MXFMetadataGenericPackage * package,
+    MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
+    gpointer mapping_data, GstBuffer ** outbuf)
+{
+  *outbuf = buffer;
+
+  /* SMPTE 381M 6.1 */
+  if (key->u[12] != 0x15 || (key->u[14] != 0x05 && key->u[14] != 0x06
+          && key->u[14] != 0x07)) {
+    GST_ERROR ("Invalid MPEG video essence element");
+    return GST_FLOW_ERROR;
+  }
+
+  return GST_FLOW_OK;
+}
+
+
+GstCaps *
+mxf_mpeg_video_create_caps (MXFMetadataGenericPackage * package,
+    MXFMetadataTrack * track, GstTagList ** tags,
+    MXFEssenceElementHandler * handler, gpointer * mapping_data)
+{
+  MXFMetadataMPEGVideoDescriptor *d = NULL;
+  MXFMetadataFileDescriptor *f = NULL;
+  guint i;
+
+  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_MPEG_VIDEO_DESCRIPTOR) {
+      d = (MXFMetadataMPEGVideoDescriptor *) track->descriptor[i];
+      f = track->descriptor[i];
+      break;
+    } else if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+        MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR
+        || ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+        MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR
+        || ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
+        MXF_METADATA_FILE_DESCRIPTOR) {
+      f = track->descriptor[i];
+    }
+  }
+
+  if (!f) {
+    GST_ERROR ("No descriptor found for this track");
+    return NULL;
+  }
+
+  *handler = mxf_mpeg_video_handle_essence_element;
+  /* SMPTE 381M 7 */
+  if (f->essence_container.u[13] == 0x04) {
+    /* FIXME: get mpeg version somehow */
+    GST_DEBUG ("Found MPEG ES stream");
+    return gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 1,
+        "systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
+  } else if (f->essence_container.u[13] == 0x07) {
+    GST_ERROR ("MPEG PES streams not supported yet");
+    return NULL;
+  } else if (f->essence_container.u[13] == 0x08) {
+    /* FIXME: get mpeg version somehow */
+    GST_DEBUG ("Found MPEG PS stream");
+    return gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 1,
+        "systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
+  } else if (f->essence_container.u[13] == 0x09) {
+    GST_DEBUG ("Found MPEG TS stream");
+    return gst_caps_new_simple ("video/mpegts", NULL);
+  }
+  return NULL;
+}