mxf: Source files and #include cleanup

1 files changed, 0 insertions, 1013 deletions

diff --git a/gst/mxf/mxfparse.c b/gst/mxf/mxfparse.c
deleted file mode 100644
index f0c0d0e5..00000000
--- a/gst/mxf/mxfparse.c
+++ /dev/null
@@ -1,1013 +0,0 @@
-/* GStreamer
- * Copyright (C) 2008-2009 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <string.h>
-
-#include "mxfparse.h"
-
-GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
-#define GST_CAT_DEFAULT mxf_debug
-
-gboolean
-mxf_is_mxf_packet (const MXFUL * ul)
-{
-  return mxf_ul_is_subclass (MXF_UL (SMPTE), ul);
-}
-
-/* SMPTE 377M 6.1: Check if this is a valid partition pack */
-gboolean
-mxf_is_partition_pack (const MXFUL * ul)
-{
-  if (mxf_ul_is_subclass (MXF_UL (PARTITION_PACK), ul) &&
-      ul->u[13] >= 0x02 && ul->u[13] <= 0x04 &&
-      ul->u[14] < 0x05 && ul->u[15] == 0x00)
-    return TRUE;
-
-  return FALSE;
-}
-
-/* SMPTE 377M 6.2: header partition pack has byte 14 == 0x02 */
-gboolean
-mxf_is_header_partition_pack (const MXFUL * ul)
-{
-  if (mxf_is_partition_pack (ul) && ul->u[13] == 0x02)
-    return TRUE;
-
-  return FALSE;
-}
-
-/* SMPTE 377M 6.3: body partition pack has byte 14 == 0x03 */
-gboolean
-mxf_is_body_partition_pack (const MXFUL * ul)
-{
-  if (mxf_is_partition_pack (ul) && ul->u[13] == 0x03)
-    return TRUE;
-
-  return FALSE;
-}
-
-/* SMPTE 377M 6.4: footer partition pack has byte 14 == 0x04 */
-gboolean
-mxf_is_footer_partition_pack (const MXFUL * ul)
-{
-  if (mxf_is_partition_pack (ul) && ul->u[13] == 0x04)
-    return TRUE;
-
-  return FALSE;
-}
-
-gboolean
-mxf_is_fill (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (FILL), ul));
-}
-
-gboolean
-mxf_is_primer_pack (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (PRIMER_PACK), ul));
-}
-
-gboolean
-mxf_is_metadata (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (METADATA), ul));
-}
-
-/* SMPTE 377M 8.7.3 */
-gboolean
-mxf_is_descriptive_metadata (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (DESCRIPTIVE_METADATA), ul));
-}
-
-gboolean
-mxf_is_random_index_pack (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (RANDOM_INDEX_PACK), ul));
-}
-
-gboolean
-mxf_is_index_table_segment (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (INDEX_TABLE_SEGMENT), ul));
-}
-
-/* SMPTE 379M 6.2.1 */
-gboolean
-mxf_is_generic_container_system_item (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (GENERIC_CONTAINER_SYSTEM_ITEM), ul) &&
-      (ul->u[12] == 0x04 || ul->u[12] == 0x14));
-}
-
-/* SMPTE 379M 7.1 */
-gboolean
-mxf_is_generic_container_essence_element (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (GENERIC_CONTAINER_ESSENCE_ELEMENT), ul)
-      && (ul->u[12] == 0x05 || ul->u[12] == 0x06
-          || ul->u[12] == 0x07 || ul->u[12] == 0x15
-          || ul->u[12] == 0x16 || ul->u[12] == 0x17 || ul->u[12] == 0x18));
-}
-
-/* SMPTE 379M 8 */
-gboolean
-mxf_is_generic_container_essence_container_label (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL
-          (GENERIC_CONTAINER_ESSENCE_CONTAINER_LABEL), ul) && (ul->u[12] == 0x01
-          || ul->u[12] == 0x02));
-}
-
-/* Essence container label found in files generated by Avid */
-gboolean
-mxf_is_avid_essence_container_label (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (AVID_ESSENCE_CONTAINER_ESSENCE_LABEL),
-          ul));
-}
-
-/* Essence element key found in files generated by Avid */
-gboolean
-mxf_is_avid_essence_container_essence_element (const MXFUL * ul)
-{
-  return (mxf_ul_is_subclass (MXF_UL (AVID_ESSENCE_CONTAINER_ESSENCE_ELEMENT),
-          ul));
-}
-
-gboolean
-mxf_umid_is_equal (const MXFUMID * a, const MXFUMID * b)
-{
-  return (memcmp (a, b, 32) == 0);
-}
-
-gboolean
-mxf_umid_is_zero (const MXFUMID * umid)
-{
-  static const MXFUMID zero = { {0,} };
-
-  return (memcmp (umid, &zero, 32) == 0);
-}
-
-gchar *
-mxf_umid_to_string (const MXFUMID * key, gchar str[96])
-{
-  g_return_val_if_fail (key != NULL, NULL);
-  g_return_val_if_fail (str != NULL, NULL);
-
-  g_snprintf (str, 96,
-      "%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x."
-      "%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x",
-      key->u[0], key->u[1], key->u[2], key->u[3], key->u[4], key->u[5],
-      key->u[6], key->u[7], key->u[8], key->u[9], key->u[10], key->u[11],
-      key->u[12], key->u[13], key->u[14], key->u[15],
-      key->u[16],
-      key->u[17],
-      key->u[18],
-      key->u[19],
-      key->u[20],
-      key->u[21],
-      key->u[22],
-      key->u[23],
-      key->u[24],
-      key->u[25],
-      key->u[26], key->u[27], key->u[28], key->u[29], key->u[30], key->u[31]
-      );
-
-  return str;
-}
-
-MXFUMID *
-mxf_umid_from_string (const gchar * str, MXFUMID * umid)
-{
-  gint len;
-  guint i, j;
-
-  g_return_val_if_fail (str != NULL, NULL);
-  len = strlen (str);
-
-  memset (umid, 0, 32);
-
-  if (len != 95) {
-    GST_ERROR ("Invalid UMID string length %d", len);
-    return NULL;
-  }
-
-  for (i = 0, j = 0; i < 32; i++) {
-    if (!g_ascii_isxdigit (str[j]) ||
-        !g_ascii_isxdigit (str[j + 1]) ||
-        (str[j + 2] != '.' && str[j + 2] != '\0')) {
-      GST_ERROR ("Invalid UMID string '%s'", str);
-      return NULL;
-    }
-
-    umid->u[i] =
-        (g_ascii_xdigit_value (str[j]) << 4) | (g_ascii_xdigit_value (str[j +
-                1]));
-    j += 3;
-  }
-  return umid;
-}
-
-gboolean
-mxf_timestamp_parse (MXFTimestamp * timestamp, const guint8 * data, guint size)
-{
-  g_return_val_if_fail (data != NULL, FALSE);
-  g_return_val_if_fail (timestamp != NULL, FALSE);
-
-  memset (timestamp, 0, sizeof (MXFTimestamp));
-
-  if (size < 8)
-    return FALSE;
-
-  timestamp->year = GST_READ_UINT16_BE (data);
-  timestamp->month = GST_READ_UINT8 (data + 2);
-  timestamp->day = GST_READ_UINT8 (data + 3);
-  timestamp->hour = GST_READ_UINT8 (data + 4);
-  timestamp->minute = GST_READ_UINT8 (data + 5);
-  timestamp->second = GST_READ_UINT8 (data + 6);
-  timestamp->msecond = (GST_READ_UINT8 (data + 7) * 1000) / 256;
-
-  return TRUE;
-}
-
-/* SMPTE 377M 3.3: A value of 0 for every field means unknown timestamp */
-gboolean
-mxf_timestamp_is_unknown (const MXFTimestamp * a)
-{
-  static const MXFTimestamp unknown = { 0, 0, 0, 0, 0, 0, 0 };
-
-  return (memcmp (a, &unknown, sizeof (MXFTimestamp)) == 0);
-}
-
-gint
-mxf_timestamp_compare (const MXFTimestamp * a, const MXFTimestamp * b)
-{
-  gint diff;
-
-  if ((diff = a->year - b->year) != 0)
-    return diff;
-  else if ((diff = a->month - b->month) != 0)
-    return diff;
-  else if ((diff = a->day - b->day) != 0)
-    return diff;
-  else if ((diff = a->hour - b->hour) != 0)
-    return diff;
-  else if ((diff = a->minute - b->minute) != 0)
-    return diff;
-  else if ((diff = a->second - b->second) != 0)
-    return diff;
-  else if ((diff = a->msecond - b->msecond) != 0)
-    return diff;
-  else
-    return 0;
-}
-
-gchar *
-mxf_timestamp_to_string (const MXFTimestamp * t, gchar str[32])
-{
-  g_snprintf (str, 32,
-      "%04d-%02u-%02u %02u:%02u:%02u.%03u", t->year, t->month,
-      t->day, t->hour, t->minute, t->second, t->msecond);
-  return str;
-}
-
-gboolean
-mxf_fraction_parse (MXFFraction * fraction, const guint8 * data, guint size)
-{
-  g_return_val_if_fail (fraction != NULL, FALSE);
-  g_return_val_if_fail (data != NULL, FALSE);
-
-  memset (fraction, 0, sizeof (MXFFraction));
-
-  if (size < 8)
-    return FALSE;
-
-  fraction->n = GST_READ_UINT32_BE (data);
-  fraction->d = GST_READ_UINT32_BE (data + 4);
-
-  return TRUE;
-}
-
-gdouble
-mxf_fraction_to_double (const MXFFraction * fraction)
-{
-  return ((gdouble) fraction->n) / ((gdouble) fraction->d);
-}
-
-gchar *
-mxf_utf16_to_utf8 (const guint8 * data, guint size)
-{
-  gchar *ret;
-  GError *error = NULL;
-
-  ret =
-      g_convert ((const gchar *) data, size, "UTF-8", "UTF-16BE", NULL, NULL,
-      &error);
-
-  if (ret == NULL) {
-    GST_WARNING ("UTF-16-BE to UTF-8 conversion failed: %s", error->message);
-    g_error_free (error);
-    return NULL;
-  }
-
-  return ret;
-}
-
-gboolean
-mxf_product_version_parse (MXFProductVersion * product_version,
-    const guint8 * data, guint size)
-{
-  g_return_val_if_fail (product_version != NULL, FALSE);
-  g_return_val_if_fail (data != NULL, FALSE);
-
-  memset (product_version, 0, sizeof (MXFProductVersion));
-
-  if (size < 9)
-    return FALSE;
-
-  product_version->major = GST_READ_UINT16_BE (data);
-  product_version->minor = GST_READ_UINT16_BE (data + 2);
-  product_version->patch = GST_READ_UINT16_BE (data + 4);
-  product_version->build = GST_READ_UINT16_BE (data + 6);
-
-  /* Avid writes a 9 byte product version */
-  if (size == 9)
-    product_version->release = GST_READ_UINT8 (data + 8);
-  else
-    product_version->release = GST_READ_UINT16_BE (data + 8);
-
-  return TRUE;
-}
-
-gboolean
-mxf_product_version_is_valid (const MXFProductVersion * version)
-{
-  static const guint8 null[sizeof (MXFProductVersion)] = { 0, };
-
-  return (memcmp (version, &null, sizeof (MXFProductVersion)) == 0);
-}
-
-/* SMPTE 377M 6.1, Table 2 */
-gboolean
-mxf_partition_pack_parse (const MXFUL * key, MXFPartitionPack * pack,
-    const guint8 * data, guint size)
-{
-#ifndef GST_DISABLE_GST_DEBUG
-  guint i;
-  gchar str[48];
-#endif
-
-  g_return_val_if_fail (data != NULL, FALSE);
-  g_return_val_if_fail (size >= 84, FALSE);
-
-  memset (pack, 0, sizeof (MXFPartitionPack));
-
-  GST_DEBUG ("Parsing partition pack:");
-
-  if (key->u[13] == 0x02)
-    pack->type = MXF_PARTITION_PACK_HEADER;
-  else if (key->u[13] == 0x03)
-    pack->type = MXF_PARTITION_PACK_BODY;
-  else if (key->u[13] == 0x04)
-    pack->type = MXF_PARTITION_PACK_FOOTER;
-
-  GST_DEBUG ("  type = %s",
-      (pack->type == MXF_PARTITION_PACK_HEADER) ? "header" : (pack->type ==
-          MXF_PARTITION_PACK_BODY) ? "body" : "footer");
-
-  pack->closed = (key->u[14] == 0x02 || key->u[14] == 0x04);
-  pack->complete = (key->u[14] == 0x03 || key->u[14] == 0x04);
-
-  GST_DEBUG ("  closed = %s, complete = %s", (pack->closed) ? "yes" : "no",
-      (pack->complete) ? "yes" : "no");
-
-  pack->major_version = GST_READ_UINT16_BE (data);
-  if (pack->major_version != 1)
-    goto error;
-  data += 2;
-  size -= 2;
-
-  pack->minor_version = GST_READ_UINT16_BE (data);
-  data += 2;
-  size -= 2;
-
-  GST_DEBUG ("  MXF version = %u.%u", pack->major_version, pack->minor_version);
-
-  pack->kag_size = GST_READ_UINT32_BE (data);
-  data += 4;
-  size -= 4;
-
-  GST_DEBUG ("  KAG size = %u", pack->kag_size);
-
-  pack->this_partition = GST_READ_UINT64_BE (data);
-  data += 8;
-  size -= 8;
-
-  GST_DEBUG ("  this partition offset = %" G_GUINT64_FORMAT,
-      pack->this_partition);
-
-  pack->prev_partition = GST_READ_UINT64_BE (data);
-  data += 8;
-  size -= 8;
-
-  GST_DEBUG ("  previous partition offset = %" G_GUINT64_FORMAT,
-      pack->prev_partition);
-
-  pack->footer_partition = GST_READ_UINT64_BE (data);
-  data += 8;
-  size -= 8;
-
-  GST_DEBUG ("  footer partition offset = %" G_GUINT64_FORMAT,
-      pack->footer_partition);
-
-  pack->header_byte_count = GST_READ_UINT64_BE (data);
-  data += 8;
-  size -= 8;
-
-  GST_DEBUG ("  header byte count = %" G_GUINT64_FORMAT,
-      pack->header_byte_count);
-
-  pack->index_byte_count = GST_READ_UINT64_BE (data);
-  data += 8;
-  size -= 8;
-
-  pack->index_sid = GST_READ_UINT32_BE (data);
-  data += 4;
-  size -= 4;
-
-  GST_DEBUG ("  index sid = %u, size = %" G_GUINT64_FORMAT, pack->index_sid,
-      pack->index_byte_count);
-
-  pack->body_offset = GST_READ_UINT64_BE (data);
-  data += 8;
-  size -= 8;
-
-  pack->body_sid = GST_READ_UINT32_BE (data);
-  data += 4;
-  size -= 4;
-
-  GST_DEBUG ("  body sid = %u, offset = %" G_GUINT64_FORMAT, pack->body_sid,
-      pack->body_offset);
-
-  memcpy (&pack->operational_pattern, data, 16);
-  data += 16;
-  size -= 16;
-
-  GST_DEBUG ("  operational pattern = %s",
-      mxf_ul_to_string (&pack->operational_pattern, str));
-
-  if (!mxf_ul_array_parse (&pack->essence_containers,
-          &pack->n_essence_containers, data, size))
-    goto error;
-
-#ifndef GST_DISABLE_GST_DEBUG
-  GST_DEBUG ("  number of essence containers = %u", pack->n_essence_containers);
-  if (pack->n_essence_containers) {
-    for (i = 0; i < pack->n_essence_containers; i++) {
-      GST_DEBUG ("  essence container %u = %s", i,
-          mxf_ul_to_string (&pack->essence_containers[i], str));
-    }
-  }
-#endif
-
-  return TRUE;
-
-error:
-  GST_ERROR ("Invalid partition pack");
-
-  mxf_partition_pack_reset (pack);
-  return FALSE;
-}
-
-void
-mxf_partition_pack_reset (MXFPartitionPack * pack)
-{
-  g_return_if_fail (pack != NULL);
-
-  g_free (pack->essence_containers);
-
-  memset (pack, 0, sizeof (MXFPartitionPack));
-}
-
-/* SMPTE 377M 11.1 */
-gboolean
-mxf_random_index_pack_parse (const MXFUL * key, const guint8 * data, guint size,
-    GArray ** array)
-{
-  guint len, i;
-  MXFRandomIndexPackEntry entry;
-
-  g_return_val_if_fail (data != NULL, FALSE);
-  g_return_val_if_fail (array != NULL, FALSE);
-
-  if (size < 4)
-    return FALSE;
-
-  if ((size - 4) % 12 != 0)
-    return FALSE;
-
-  GST_DEBUG ("Parsing random index pack:");
-
-  len = (size - 4) / 12;
-
-  GST_DEBUG ("  number of entries = %u", len);
-
-  *array =
-      g_array_sized_new (FALSE, FALSE, sizeof (MXFRandomIndexPackEntry), len);
-
-  for (i = 0; i < len; i++) {
-    entry.body_sid = GST_READ_UINT32_BE (data);
-    entry.offset = GST_READ_UINT64_BE (data + 4);
-    data += 12;
-
-    GST_DEBUG ("  entry %u = body sid %u at offset %" G_GUINT64_FORMAT, i,
-        entry.body_sid, entry.offset);
-
-    g_array_append_val (*array, entry);
-  }
-
-  return TRUE;
-}
-
-/* SMPTE 377M 10.2.3 */
-gboolean
-mxf_index_table_segment_parse (const MXFUL * key,
-    MXFIndexTableSegment * segment, const MXFPrimerPack * primer,
-    const guint8 * data, guint size)
-{
-#ifndef GST_DISABLE_GST_DEBUG
-  gchar str[48];
-#endif
-  guint16 tag, tag_size;
-  const guint8 *tag_data;
-
-  g_return_val_if_fail (key != NULL, FALSE);
-  g_return_val_if_fail (data != NULL, FALSE);
-  g_return_val_if_fail (primer != NULL, FALSE);
-
-  memset (segment, 0, sizeof (MXFIndexTableSegment));
-
-  if (size < 70)
-    return FALSE;
-
-  GST_DEBUG ("Parsing index table segment:");
-
-  while (mxf_local_tag_parse (data, size, &tag, &tag_size, &tag_data)) {
-    if (tag_size == 0 || tag == 0x0000)
-      goto next;
-
-    switch (tag) {
-      case 0x3c0a:
-        if (tag_size != 16)
-          goto error;
-        memcpy (&segment->instance_id, tag_data, 16);
-        GST_DEBUG ("  instance id = %s",
-            mxf_ul_to_string (&segment->instance_id, str));
-        break;
-      case 0x3f0b:
-        if (!mxf_fraction_parse (&segment->index_edit_rate, tag_data, tag_size))
-          goto error;
-        GST_DEBUG ("  index edit rate = %d/%d", segment->index_edit_rate.n,
-            segment->index_edit_rate.d);
-        break;
-      case 0x3f0c:
-        if (tag_size != 8)
-          goto error;
-        segment->index_start_position = GST_READ_UINT64_BE (tag_data);
-        GST_DEBUG ("  index start position = %" G_GINT64_FORMAT,
-            segment->index_start_position);
-        break;
-      case 0x3f0d:
-        if (tag_size != 8)
-          goto error;
-        segment->index_duration = GST_READ_UINT64_BE (tag_data);
-        GST_DEBUG ("  index duration = %" G_GINT64_FORMAT,
-            segment->index_duration);
-        break;
-      case 0x3f05:
-        if (tag_size != 4)
-          goto error;
-        segment->edit_unit_byte_count = GST_READ_UINT32_BE (tag_data);
-        GST_DEBUG ("  edit unit byte count = %u",
-            segment->edit_unit_byte_count);
-        break;
-      case 0x3f06:
-        if (tag_size != 4)
-          goto error;
-        segment->index_sid = GST_READ_UINT32_BE (tag_data);
-        GST_DEBUG ("  index sid = %u", segment->index_sid);
-        break;
-      case 0x3f07:
-        if (tag_size != 4)
-          goto error;
-        segment->body_sid = GST_READ_UINT32_BE (tag_data);
-        GST_DEBUG ("  body sid = %u", segment->body_sid);
-        break;
-      case 0x3f08:
-        if (tag_size != 1)
-          goto error;
-        segment->slice_count = GST_READ_UINT8 (tag_data);
-        GST_DEBUG ("  slice count = %u", segment->slice_count);
-        break;
-      case 0x3f0e:
-        if (tag_size != 1)
-          goto error;
-        segment->pos_table_count = GST_READ_UINT8 (tag_data);
-        GST_DEBUG ("  pos table count = %u", segment->pos_table_count);
-        break;
-      case 0x3f09:{
-        guint len, i;
-
-        if (tag_size < 8)
-          goto error;
-
-        len = GST_READ_UINT32_BE (tag_data);
-        segment->n_delta_entries = len;
-        GST_DEBUG ("  number of delta entries = %u", segment->n_delta_entries);
-        if (len == 0)
-          goto next;
-        tag_data += 4;
-        tag_size -= 4;
-
-        if (GST_READ_UINT32_BE (tag_data) != 6)
-          goto error;
-
-        tag_data += 4;
-        tag_size -= 4;
-
-        if (tag_size < len * 6)
-          goto error;
-
-        segment->delta_entries = g_new (MXFDeltaEntry, len);
-
-        for (i = 0; i < len; i++) {
-          GST_DEBUG ("    delta entry %u:", i);
-
-          segment->delta_entries[i].pos_table_index = GST_READ_UINT8 (tag_data);
-          tag_data += 1;
-          tag_size -= 1;
-          GST_DEBUG ("    pos table index = %d",
-              segment->delta_entries[i].pos_table_index);
-
-          segment->delta_entries[i].slice = GST_READ_UINT8 (tag_data);
-          tag_data += 1;
-          tag_size -= 1;
-          GST_DEBUG ("    slice = %u", segment->delta_entries[i].slice);
-
-          segment->delta_entries[i].element_delta =
-              GST_READ_UINT32_BE (tag_data);
-          tag_data += 4;
-          tag_size -= 4;
-          GST_DEBUG ("    element delta = %u",
-              segment->delta_entries[i].element_delta);
-        }
-        break;
-      }
-      case 0x3f0a:{
-        guint len, i, j;
-
-        if (tag_size < 8)
-          goto error;
-
-        len = GST_READ_UINT32_BE (tag_data);
-        segment->n_index_entries = len;
-        GST_DEBUG ("  number of index entries = %u", segment->n_index_entries);
-        if (len == 0)
-          goto next;
-        tag_data += 4;
-        tag_size -= 4;
-
-        if (GST_READ_UINT32_BE (tag_data) !=
-            (11 + 4 * segment->slice_count + 8 * segment->pos_table_count))
-          goto error;
-
-        tag_data += 4;
-        tag_size -= 4;
-
-        if (tag_size < len * 11)
-          goto error;
-
-        segment->index_entries = g_new0 (MXFIndexEntry, len);
-
-        for (i = 0; i < len; i++) {
-          MXFIndexEntry *entry = &segment->index_entries[i];
-
-          GST_DEBUG ("    index entry %u:", i);
-
-          entry->temporal_offset = GST_READ_UINT8 (tag_data);
-          tag_data += 1;
-          tag_size -= 1;
-          GST_DEBUG ("    temporal offset = %d", entry->temporal_offset);
-
-          entry->key_frame_offset = GST_READ_UINT8 (tag_data);
-          tag_data += 1;
-          tag_size -= 1;
-          GST_DEBUG ("    keyframe offset = %d", entry->key_frame_offset);
-
-          entry->flags = GST_READ_UINT8 (tag_data);
-          tag_data += 1;
-          tag_size -= 1;
-          GST_DEBUG ("    flags = 0x%02x", entry->flags);
-
-          entry->stream_offset = GST_READ_UINT64_BE (tag_data);
-          tag_data += 8;
-          tag_size -= 8;
-          GST_DEBUG ("    stream offset = %" G_GUINT64_FORMAT,
-              entry->stream_offset);
-
-          entry->slice_offset = g_new0 (guint32, segment->slice_count);
-          for (j = 0; j < segment->slice_count; j++) {
-            entry->slice_offset[j] = GST_READ_UINT32_BE (tag_data);
-            tag_data += 4;
-            tag_size -= 4;
-            GST_DEBUG ("    slice %u offset = %u", j, entry->slice_offset[j]);
-          }
-
-          entry->pos_table = g_new0 (MXFFraction, segment->pos_table_count);
-          for (j = 0; j < segment->pos_table_count; j++) {
-            mxf_fraction_parse (&entry->pos_table[j], tag_data, tag_size);
-            tag_data += 8;
-            tag_size -= 8;
-            GST_DEBUG ("    pos table %u = %d/%d", j, entry->pos_table[j].n,
-                entry->pos_table[j].d);
-          }
-        }
-        break;
-      }
-      default:
-        if (!primer->mappings) {
-          GST_WARNING ("No valid primer pack for this partition");
-        } else if (!mxf_local_tag_add_to_hash_table (primer, tag, tag_data,
-                tag_size, &segment->other_tags)) {
-          goto error;
-        }
-        break;
-    }
-
-  next:
-    data += 4 + tag_size;
-    size -= 4 + tag_size;
-  }
-  return TRUE;
-
-error:
-  GST_ERROR ("Invalid index table segment");
-  return FALSE;
-}
-
-void
-mxf_index_table_segment_reset (MXFIndexTableSegment * segment)
-{
-  guint i;
-
-  g_return_if_fail (segment != NULL);
-
-  for (i = 0; i < segment->n_index_entries; i++) {
-    g_free (segment->index_entries[i].slice_offset);
-    g_free (segment->index_entries[i].pos_table);
-  }
-
-  g_free (segment->index_entries);
-  g_free (segment->delta_entries);
-
-  if (segment->other_tags)
-    g_hash_table_destroy (segment->other_tags);
-
-  memset (segment, 0, sizeof (MXFIndexTableSegment));
-}
-
-/* SMPTE 377M 8.2 Table 1 and 2 */
-
-static void
-_mxf_mapping_ul_free (MXFUL * ul)
-{
-  g_slice_free (MXFUL, ul);
-}
-
-gboolean
-mxf_primer_pack_parse (const MXFUL * key, MXFPrimerPack * pack,
-    const guint8 * data, guint size)
-{
-  guint i;
-  guint32 n;
-
-  g_return_val_if_fail (data != NULL, FALSE);
-  g_return_val_if_fail (size >= 8, FALSE);
-
-  memset (pack, 0, sizeof (MXFPrimerPack));
-
-  GST_DEBUG ("Parsing primer pack:");
-
-  pack->mappings =
-      g_hash_table_new_full (g_direct_hash, g_direct_equal,
-      (GDestroyNotify) NULL, (GDestroyNotify) _mxf_mapping_ul_free);
-
-  n = GST_READ_UINT32_BE (data);
-  data += 4;
-
-  GST_DEBUG ("  number of mappings = %u", n);
-
-  if (GST_READ_UINT32_BE (data) != 18)
-    goto error;
-  data += 4;
-
-  if (size < 8 + n * 18)
-    goto error;
-
-  for (i = 0; i < n; i++) {
-    guint local_tag;
-#ifndef GST_DISABLE_GST_DEBUG
-    gchar str[48];
-#endif
-    MXFUL *uid;
-
-    local_tag = GST_READ_UINT16_BE (data);
-    data += 2;
-
-    if (g_hash_table_lookup (pack->mappings, GUINT_TO_POINTER (local_tag)))
-      continue;
-
-    uid = g_slice_new (MXFUL);
-    memcpy (uid, data, 16);
-    data += 16;
-
-    g_hash_table_insert (pack->mappings, GUINT_TO_POINTER (local_tag), uid);
-    GST_DEBUG ("  Adding mapping = 0x%04x -> %s", local_tag,
-        mxf_ul_to_string (uid, str));
-  }
-
-  return TRUE;
-
-error:
-  GST_DEBUG ("Invalid primer pack");
-  mxf_primer_pack_reset (pack);
-  return FALSE;
-}
-
-void
-mxf_primer_pack_reset (MXFPrimerPack * pack)
-{
-  g_return_if_fail (pack != NULL);
-
-  if (pack->mappings)
-    g_hash_table_destroy (pack->mappings);
-  if (pack->reverse_mappings)
-    g_hash_table_destroy (pack->reverse_mappings);
-
-  memset (pack, 0, sizeof (MXFPrimerPack));
-
-  pack->next_free_tag = 0x8000;
-}
-
-/* structural metadata parsing */
-
-gboolean
-mxf_local_tag_parse (const guint8 * data, guint size, guint16 * tag,
-    guint16 * tag_size, const guint8 ** tag_data)
-{
-  g_return_val_if_fail (data != NULL, FALSE);
-
-  if (size < 4)
-    return FALSE;
-
-  *tag = GST_READ_UINT16_BE (data);
-  *tag_size = GST_READ_UINT16_BE (data + 2);
-
-  if (size < 4 + *tag_size)
-    return FALSE;
-
-  *tag_data = data + 4;
-
-  return TRUE;
-}
-
-void
-mxf_local_tag_free (MXFLocalTag * tag)
-{
-  if (tag->g_slice)
-    g_slice_free1 (tag->size, tag->data);
-  else
-    g_free (tag->data);
-  g_slice_free (MXFLocalTag, tag);
-}
-
-gboolean
-mxf_local_tag_add_to_hash_table (const MXFPrimerPack * primer,
-    guint16 tag, const guint8 * tag_data, guint16 tag_size,
-    GHashTable ** hash_table)
-{
-  MXFLocalTag *local_tag;
-  MXFUL *key;
-
-  g_return_val_if_fail (primer != NULL, FALSE);
-  g_return_val_if_fail (tag_data != NULL, FALSE);
-  g_return_val_if_fail (hash_table != NULL, FALSE);
-  g_return_val_if_fail (primer->mappings != NULL, FALSE);
-
-  if (*hash_table == NULL)
-    *hash_table =
-        g_hash_table_new_full ((GHashFunc) mxf_ul_hash,
-        (GEqualFunc) mxf_ul_is_equal, (GDestroyNotify) NULL,
-        (GDestroyNotify) mxf_local_tag_free);
-
-  g_return_val_if_fail (*hash_table != NULL, FALSE);
-
-  key = (MXFUL *) g_hash_table_lookup (primer->mappings,
-      GUINT_TO_POINTER (((guint) tag)));
-
-  if (key) {
-#ifndef GST_DISABLE_GST_DEBUG
-    gchar str[48];
-#endif
-
-    GST_DEBUG ("Adding local tag 0x%04x with UL %s and size %u", tag,
-        mxf_ul_to_string (key, str), tag_size);
-
-    local_tag = g_slice_new (MXFLocalTag);
-    memcpy (&local_tag->key, key, sizeof (MXFUL));
-    local_tag->size = tag_size;
-    local_tag->data = g_memdup (tag_data, tag_size);
-
-    g_hash_table_insert (*hash_table, &local_tag->key, local_tag);
-  } else {
-    GST_WARNING ("Local tag with no entry in primer pack: 0x%04x", tag);
-  }
-
-  return TRUE;
-}
-
-gboolean
-mxf_local_tag_insert (MXFLocalTag * tag, GHashTable ** hash_table)
-{
-#ifndef GST_DISABLE_GST_DEBUG
-  gchar str[48];
-#endif
-
-  g_return_val_if_fail (tag != NULL, FALSE);
-  g_return_val_if_fail (hash_table != NULL, FALSE);
-
-  if (*hash_table == NULL)
-    *hash_table =
-        g_hash_table_new_full ((GHashFunc) mxf_ul_hash,
-        (GEqualFunc) mxf_ul_is_equal, (GDestroyNotify) NULL,
-        (GDestroyNotify) mxf_local_tag_free);
-
-  g_return_val_if_fail (*hash_table != NULL, FALSE);
-
-  GST_DEBUG ("Adding local tag 0x%04x with UL %s and size %u", tag,
-      mxf_ul_to_string (&tag->key, str), tag->size);
-
-  g_hash_table_insert (*hash_table, &tag->key, tag);
-
-  return TRUE;
-}
-
-static GSList *_mxf_essence_element_handler_registry = NULL;
-
-void
-mxf_essence_element_handler_register (const MXFEssenceElementHandler * handler)
-{
-  _mxf_essence_element_handler_registry =
-      g_slist_prepend (_mxf_essence_element_handler_registry,
-      (gpointer) handler);
-}
-
-const MXFEssenceElementHandler *
-mxf_essence_element_handler_find (const MXFMetadataTimelineTrack * track)
-{
-  GSList *l;
-  const MXFEssenceElementHandler *ret = NULL;
-
-  for (l = _mxf_essence_element_handler_registry; l; l = l->next) {
-    MXFEssenceElementHandler *current = l->data;
-
-    if (current->handles_track (track)) {
-      ret = current;
-    }
-  }
-
-  return ret;
-}