/* GStreamer * Copyright (C) 2008-2009 Sebastian Dröge * * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include "mxftypes.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)); } guint mxf_ber_encode_size (guint size, guint8 ber[9]) { guint8 slen, i; guint8 tmp[8]; memset (ber, 0, 9); if (size <= 127) { ber[0] = size; return 1; } slen = 0; while (size > 0) { tmp[slen] = size & 0xff; size >>= 8; slen++; } ber[0] = 0x80 | slen; for (i = 0; i < slen; i++) { ber[i + 1] = tmp[slen - i - 1]; } return slen + 1; } GstBuffer * mxf_fill_to_buffer (guint size) { GstBuffer *ret; GstMapInfo map; guint slen; guint8 ber[9]; slen = mxf_ber_encode_size (size, ber); ret = gst_buffer_new_and_alloc (16 + slen + size); gst_buffer_map (ret, &map, GST_MAP_WRITE); memcpy (map.data, MXF_UL (FILL), 16); memcpy (map.data + 16, &ber, slen); memset (map.data + slen, 0, size); gst_buffer_unmap (ret, &map); return ret; } void mxf_uuid_init (MXFUUID * uuid, GHashTable * hashtable) { guint i; do { for (i = 0; i < 4; i++) GST_WRITE_UINT32_BE (&uuid->u[i * 4], g_random_int ()); uuid->u[6] = 0x40 | (uuid->u[6] & 0x0f); uuid->u[8] = (uuid->u[8] & 0xbf) | 0x80; } while (hashtable && (mxf_uuid_is_zero (uuid) || g_hash_table_lookup_extended (hashtable, uuid, NULL, NULL))); } gboolean mxf_uuid_is_equal (const MXFUUID * a, const MXFUUID * b) { g_return_val_if_fail (a != NULL, FALSE); g_return_val_if_fail (b != NULL, FALSE); return (memcmp (a, b, 16) == 0); } gboolean mxf_uuid_is_zero (const MXFUUID * a) { static const guint8 zero[16] = { 0x00, }; g_return_val_if_fail (a != NULL, FALSE); return (memcmp (a, zero, 16) == 0); } guint mxf_uuid_hash (const MXFUUID * uuid) { guint32 ret = 0; guint i; g_return_val_if_fail (uuid != NULL, 0); for (i = 0; i < 4; i++) ret ^= GST_READ_UINT32_BE (uuid->u + i * 4); return ret; } gchar * mxf_uuid_to_string (const MXFUUID * uuid, gchar str[48]) { gchar *ret = str; g_return_val_if_fail (uuid != NULL, NULL); if (ret == NULL) ret = g_malloc (48); g_snprintf (ret, 48, "%02x.%02x.%02x.%02x." "%02x.%02x.%02x.%02x." "%02x.%02x.%02x.%02x." "%02x.%02x.%02x.%02x", uuid->u[0], uuid->u[1], uuid->u[2], uuid->u[3], uuid->u[4], uuid->u[5], uuid->u[6], uuid->u[7], uuid->u[8], uuid->u[9], uuid->u[10], uuid->u[11], uuid->u[12], uuid->u[13], uuid->u[14], uuid->u[15]); return ret; } MXFUUID * mxf_uuid_from_string (const gchar * str, MXFUUID * uuid) { MXFUUID *ret = uuid; gint len; guint i, j; g_return_val_if_fail (str != NULL, NULL); len = strlen (str); if (len != 47) { GST_ERROR ("Invalid UUID string length %d, should be 47", len); return NULL; } if (ret == NULL) ret = g_new0 (MXFUUID, 1); memset (ret, 0, 16); for (i = 0, j = 0; i < 16; i++) { if (!g_ascii_isxdigit (str[j]) || !g_ascii_isxdigit (str[j + 1]) || (str[j + 2] != '.' && str[j + 2] != '\0')) { GST_ERROR ("Invalid UL string '%s'", str); if (uuid == NULL) g_free (ret); return NULL; } ret->u[i] = (g_ascii_xdigit_value (str[j]) << 4) | (g_ascii_xdigit_value (str[j + 1])); j += 3; } return ret; } gboolean mxf_uuid_array_parse (MXFUUID ** array, guint32 * count, const guint8 * data, guint size) { guint32 element_count, element_size; guint i; g_return_val_if_fail (array != NULL, FALSE); g_return_val_if_fail (count != NULL, FALSE); if (size < 8) return FALSE; g_return_val_if_fail (data != NULL, FALSE); element_count = GST_READ_UINT32_BE (data); data += 4; size -= 4; if (element_count == 0) { *array = NULL; *count = 0; return TRUE; } element_size = GST_READ_UINT32_BE (data); data += 4; size -= 4; if (element_size != 16) { *array = NULL; *count = 0; return FALSE; } if (element_count > size / 16) { *array = NULL; *count = 0; return FALSE; } *array = g_new (MXFUUID, element_count); *count = element_count; for (i = 0; i < element_count; i++) { memcpy (&((*array)[i]), data, 16); data += 16; } return TRUE; } 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 * umid, gchar str[96]) { g_return_val_if_fail (umid != 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", umid->u[0], umid->u[1], umid->u[2], umid->u[3], umid->u[4], umid->u[5], umid->u[6], umid->u[7], umid->u[8], umid->u[9], umid->u[10], umid->u[11], umid->u[12], umid->u[13], umid->u[14], umid->u[15], umid->u[16], umid->u[17], umid->u[18], umid->u[19], umid->u[20], umid->u[21], umid->u[22], umid->u[23], umid->u[24], umid->u[25], umid->u[26], umid->u[27], umid->u[28], umid->u[29], umid->u[30], umid->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; } void mxf_umid_init (MXFUMID * umid) { guint i; guint32 tmp; /* SMPTE S330M 5.1.1: * UMID Identifier */ umid->u[0] = 0x06; umid->u[1] = 0x0a; umid->u[2] = 0x2b; umid->u[3] = 0x34; umid->u[4] = 0x01; umid->u[5] = 0x01; umid->u[6] = 0x01; umid->u[7] = 0x05; /* version, see RP210 */ umid->u[8] = 0x01; umid->u[9] = 0x01; umid->u[10] = 0x0d; /* mixed group of components in a single container */ /* - UUID/UL method for material number * - 24 bit PRG for instance number */ umid->u[11] = 0x20 | 0x02; /* Length of remaining data */ umid->u[12] = 0x13; /* Instance number */ tmp = g_random_int (); umid->u[13] = (tmp >> 24) & 0xff; umid->u[14] = (tmp >> 16) & 0xff; umid->u[15] = (tmp >> 8) & 0xff; /* Material number: ISO UUID Version 4 */ for (i = 16; i < 32; i += 4) GST_WRITE_UINT32_BE (&umid->u[i], g_random_int ()); umid->u[16 + 6] &= 0x0f; umid->u[16 + 6] |= 0x40; umid->u[16 + 8] &= 0x3f; umid->u[16 + 8] |= 0x80; } gboolean mxf_timestamp_parse (MXFTimestamp * timestamp, const guint8 * data, guint size) { g_return_val_if_fail (timestamp != NULL, FALSE); memset (timestamp, 0, sizeof (MXFTimestamp)); if (size < 8) return FALSE; g_return_val_if_fail (data != NULL, 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; } void mxf_timestamp_set_now (MXFTimestamp * timestamp) { gint64 now; time_t t; struct tm *tm; #ifdef HAVE_GMTIME_R struct tm tm_; #endif now = g_get_real_time (); t = now / G_USEC_PER_SEC; #ifdef HAVE_GMTIME_R tm = gmtime_r (&t, &tm_); #else tm = gmtime (&t); #endif timestamp->year = tm->tm_year + 1900; timestamp->month = tm->tm_mon; timestamp->day = tm->tm_mday; timestamp->hour = tm->tm_hour; timestamp->minute = tm->tm_min; timestamp->second = tm->tm_sec; timestamp->msecond = now / 1000; } void mxf_timestamp_write (const MXFTimestamp * timestamp, guint8 * data) { GST_WRITE_UINT16_BE (data, timestamp->year); GST_WRITE_UINT8 (data + 2, timestamp->month); GST_WRITE_UINT8 (data + 3, timestamp->day); GST_WRITE_UINT8 (data + 4, timestamp->hour); GST_WRITE_UINT8 (data + 5, timestamp->minute); GST_WRITE_UINT8 (data + 6, timestamp->second); GST_WRITE_UINT8 (data + 7, (timestamp->msecond * 256) / 1000); } gboolean mxf_fraction_parse (MXFFraction * fraction, const guint8 * data, guint size) { g_return_val_if_fail (fraction != NULL, FALSE); memset (fraction, 0, sizeof (MXFFraction)); if (size < 8) return FALSE; g_return_val_if_fail (data != NULL, 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; } guint8 * mxf_utf8_to_utf16 (const gchar * str, guint16 * size) { guint8 *ret; GError *error = NULL; gsize s; g_return_val_if_fail (size != NULL, NULL); if (str == NULL) { *size = 0; return NULL; } ret = (guint8 *) g_convert_with_fallback (str, -1, "UTF-16BE", "UTF-8", (char *) "*", NULL, &s, &error); if (ret == NULL) { GST_WARNING ("UTF-16-BE to UTF-8 conversion failed: %s", error->message); g_error_free (error); *size = 0; return NULL; } *size = s; return (guint8 *) ret; } gboolean mxf_product_version_parse (MXFProductVersion * product_version, const guint8 * data, guint size) { g_return_val_if_fail (product_version != NULL, FALSE); memset (product_version, 0, sizeof (MXFProductVersion)); if (size < 9) return FALSE; g_return_val_if_fail (data != NULL, 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); } void mxf_product_version_write (const MXFProductVersion * version, guint8 * data) { GST_WRITE_UINT16_BE (data, version->major); GST_WRITE_UINT16_BE (data + 2, version->minor); GST_WRITE_UINT16_BE (data + 4, version->patch); GST_WRITE_UINT16_BE (data + 6, version->build); GST_WRITE_UINT16_BE (data + 8, version->release); } void mxf_op_set_atom (MXFUL * ul, gboolean single_sourceclip, gboolean single_essence_track) { memcpy (&ul->u, MXF_UL (OPERATIONAL_PATTERN_IDENTIFICATION), 12); ul->u[12] = 0x10; ul->u[13] = 0; if (!single_sourceclip) ul->u[13] |= 0x80; if (!single_essence_track) ul->u[13] |= 0x40; ul->u[14] = 0; ul->u[15] = 0; } void mxf_op_set_generalized (MXFUL * ul, MXFOperationalPattern pattern, gboolean internal_essence, gboolean streamable, gboolean single_track) { g_return_if_fail (pattern >= MXF_OP_1a); memcpy (&ul->u, MXF_UL (OPERATIONAL_PATTERN_IDENTIFICATION), 12); if (pattern == MXF_OP_1a || pattern == MXF_OP_1b || pattern == MXF_OP_1c) ul->u[12] = 0x01; else if (pattern == MXF_OP_2a || pattern == MXF_OP_2b || pattern == MXF_OP_2c) ul->u[12] = 0x02; else if (pattern == MXF_OP_3a || pattern == MXF_OP_3b || pattern == MXF_OP_3c) ul->u[12] = 0x03; if (pattern == MXF_OP_1a || pattern == MXF_OP_2a || pattern == MXF_OP_3a) ul->u[13] = 0x01; else if (pattern == MXF_OP_1b || pattern == MXF_OP_2b || pattern == MXF_OP_3b) ul->u[13] = 0x02; else if (pattern == MXF_OP_1c || pattern == MXF_OP_2c || pattern == MXF_OP_3c) ul->u[13] = 0x02; ul->u[14] = 0x08; if (!internal_essence) ul->u[14] |= 0x04; if (!streamable) ul->u[14] |= 0x02; if (!single_track) ul->u[14] |= 0x01; ul->u[15] = 0; } /* SMPTE 377M 6.1, Table 2 */ gboolean mxf_partition_pack_parse (const MXFUL * ul, MXFPartitionPack * pack, const guint8 * data, guint size) { #ifndef GST_DISABLE_GST_DEBUG guint i; gchar str[48]; #endif if (size < 84) return FALSE; g_return_val_if_fail (data != NULL, FALSE); memset (pack, 0, sizeof (MXFPartitionPack)); GST_DEBUG ("Parsing partition pack:"); if (ul->u[13] == 0x02) pack->type = MXF_PARTITION_PACK_HEADER; else if (ul->u[13] == 0x03) pack->type = MXF_PARTITION_PACK_BODY; else if (ul->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 = (ul->u[14] == 0x02 || ul->u[14] == 0x04); pack->complete = (ul->u[14] == 0x03 || ul->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)); } GstBuffer * mxf_partition_pack_to_buffer (const MXFPartitionPack * pack) { guint slen; guint8 ber[9]; GstBuffer *ret; GstMapInfo map; guint8 *data; guint i; guint size = 8 + 16 * pack->n_essence_containers + 16 + 4 + 8 + 4 + 8 + 8 + 8 + 8 + 8 + 4 + 2 + 2; slen = mxf_ber_encode_size (size, ber); ret = gst_buffer_new_and_alloc (16 + slen + size); gst_buffer_map (ret, &map, GST_MAP_WRITE); memcpy (map.data, MXF_UL (PARTITION_PACK), 13); if (pack->type == MXF_PARTITION_PACK_HEADER) map.data[13] = 0x02; else if (pack->type == MXF_PARTITION_PACK_BODY) map.data[13] = 0x03; else if (pack->type == MXF_PARTITION_PACK_FOOTER) map.data[13] = 0x04; map.data[14] = 0; if (pack->complete) map.data[14] |= 0x02; if (pack->closed) map.data[14] |= 0x01; map.data[14] += 1; map.data[15] = 0; memcpy (map.data + 16, &ber, slen); data = map.data + 16 + slen; GST_WRITE_UINT16_BE (data, pack->major_version); GST_WRITE_UINT16_BE (data + 2, pack->minor_version); data += 4; GST_WRITE_UINT32_BE (data, pack->kag_size); data += 4; GST_WRITE_UINT64_BE (data, pack->this_partition); data += 8; GST_WRITE_UINT64_BE (data, pack->prev_partition); data += 8; GST_WRITE_UINT64_BE (data, pack->footer_partition); data += 8; GST_WRITE_UINT64_BE (data, pack->header_byte_count); data += 8; GST_WRITE_UINT64_BE (data, pack->index_byte_count); data += 8; GST_WRITE_UINT32_BE (data, pack->index_sid); data += 4; GST_WRITE_UINT64_BE (data, pack->body_offset); data += 8; GST_WRITE_UINT32_BE (data, pack->body_sid); data += 4; memcpy (data, &pack->operational_pattern, 16); data += 16; GST_WRITE_UINT32_BE (data, pack->n_essence_containers); GST_WRITE_UINT32_BE (data + 4, 16); data += 8; for (i = 0; i < pack->n_essence_containers; i++) memcpy (data + 16 * i, &pack->essence_containers[i], 16); gst_buffer_unmap (ret, &map); return ret; } /* SMPTE 377M 11.1 */ gboolean mxf_random_index_pack_parse (const MXFUL * ul, const guint8 * data, guint size, GArray ** array) { guint len, i; MXFRandomIndexPackEntry entry; g_return_val_if_fail (array != NULL, FALSE); if (size < 4) return FALSE; g_return_val_if_fail (data != NULL, 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; } GstBuffer * mxf_random_index_pack_to_buffer (const GArray * array) { MXFRandomIndexPackEntry *entry; guint i; GstBuffer *ret; GstMapInfo map; guint8 slen, ber[9]; guint size; guint8 *data; if (array->len == 0) return NULL; size = array->len * 12 + 4; slen = mxf_ber_encode_size (size, ber); ret = gst_buffer_new_and_alloc (16 + slen + size); gst_buffer_map (ret, &map, GST_MAP_WRITE); memcpy (map.data, MXF_UL (RANDOM_INDEX_PACK), 16); memcpy (map.data + 16, ber, slen); data = map.data + 16 + slen; for (i = 0; i < array->len; i++) { entry = &g_array_index (array, MXFRandomIndexPackEntry, i); GST_WRITE_UINT32_BE (data, entry->body_sid); GST_WRITE_UINT64_BE (data + 4, entry->offset); data += 12; } GST_WRITE_UINT32_BE (data, gst_buffer_get_size (ret)); gst_buffer_unmap (ret, &map); return ret; } /* SMPTE 377M 10.2.3 */ gboolean mxf_index_table_segment_parse (const MXFUL * ul, MXFIndexTableSegment * segment, 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 (ul != NULL, FALSE); memset (segment, 0, sizeof (MXFIndexTableSegment)); if (size < 70) return FALSE; g_return_val_if_fail (data != NULL, FALSE); GST_DEBUG ("Parsing index table segment:"); while (mxf_local_tag_parse (data, size, &tag, &tag_size, &tag_data)) { data += 4 + tag_size; size -= 4 + tag_size; if (tag_size == 0 || tag == 0x0000) continue; switch (tag) { case 0x3c0a: if (tag_size != 16) goto error; memcpy (&segment->instance_id, tag_data, 16); GST_DEBUG (" instance id = %s", mxf_uuid_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) continue; 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 / 6 < len) 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) continue; 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 / (11 + 4 * segment->slice_count + 8 * segment->pos_table_count) < len) 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 (%s%s%s%s)", entry->flags, entry->flags & 0x80 ? "Random-Access " : "", entry->flags & 0x40 ? "Sequence-Header " : "", entry->flags & 0x20 ? "Forward-Prediction " : "", entry->flags & 0x10 ? "Backward-Prediction " : ""); 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++) { if (!mxf_fraction_parse (&entry->pos_table[j], tag_data, tag_size)) goto error; 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: GST_WARNING ("Unknown local tag 0x%04x of size %d in index table segment", tag, tag_size); break; } } /* If edit unit byte count is 0 there *must* be entries */ if (segment->edit_unit_byte_count == 0 && segment->n_index_entries == 0) { GST_WARNING ("Invalid IndexTableSegment, No entries and no specified edit unit byte count"); goto error; } /* Compute initial essence offset */ if (segment->edit_unit_byte_count) segment->segment_start_offset = segment->index_start_position * segment->edit_unit_byte_count; else segment->segment_start_offset = segment->index_entries[0].stream_offset; return TRUE; error: GST_ERROR ("Invalid index table segment"); mxf_index_table_segment_reset (segment); return FALSE; } void mxf_index_table_segment_reset (MXFIndexTableSegment * segment) { guint i; g_return_if_fail (segment != NULL); if (segment->index_entries) { 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); memset (segment, 0, sizeof (MXFIndexTableSegment)); } GstBuffer * mxf_index_table_segment_to_buffer (const MXFIndexTableSegment * segment) { guint len, slen, i; guint8 ber[9]; GstBuffer *ret; GstMapInfo map; GstByteWriter bw; g_return_val_if_fail (segment != NULL, NULL); g_return_val_if_fail (segment->n_delta_entries * 6 < G_MAXUINT16, NULL); g_return_val_if_fail (segment->n_index_entries * (11 + 4 * segment->slice_count + 8 * segment->pos_table_count) < G_MAXUINT16, NULL); len = 16 + 4 + 8 + 4 + 8 + 4 + 8 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 1 + 4 + 1 + 4 + 4 + 8 + segment->n_delta_entries * 6 + 4 + 8 + segment->n_index_entries * (11 + 4 * segment->slice_count + 8 * segment->pos_table_count); slen = mxf_ber_encode_size (len, ber); ret = gst_buffer_new_and_alloc (16 + slen + len); gst_buffer_map (ret, &map, GST_MAP_WRITE); gst_byte_writer_init_with_data (&bw, map.data, map.size, FALSE); gst_byte_writer_put_data_unchecked (&bw, (const guint8 *) MXF_UL (INDEX_TABLE_SEGMENT), 16); gst_byte_writer_put_data_unchecked (&bw, ber, slen); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3c0a); gst_byte_writer_put_uint16_be_unchecked (&bw, 16); gst_byte_writer_put_data_unchecked (&bw, (const guint8 *) &segment->instance_id, 16); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f0b); gst_byte_writer_put_uint16_be_unchecked (&bw, 8); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->index_edit_rate.n); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->index_edit_rate.d); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f0c); gst_byte_writer_put_uint16_be_unchecked (&bw, 8); gst_byte_writer_put_uint64_be_unchecked (&bw, segment->index_start_position); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f0d); gst_byte_writer_put_uint16_be_unchecked (&bw, 8); gst_byte_writer_put_uint64_be_unchecked (&bw, segment->index_duration); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f05); gst_byte_writer_put_uint16_be_unchecked (&bw, 4); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->edit_unit_byte_count); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f06); gst_byte_writer_put_uint16_be_unchecked (&bw, 4); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->index_sid); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f07); gst_byte_writer_put_uint16_be_unchecked (&bw, 4); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->body_sid); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f08); gst_byte_writer_put_uint16_be_unchecked (&bw, 1); gst_byte_writer_put_uint8 (&bw, segment->slice_count); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f0e); gst_byte_writer_put_uint16_be_unchecked (&bw, 1); gst_byte_writer_put_uint8 (&bw, segment->pos_table_count); gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f09); gst_byte_writer_put_uint16_be_unchecked (&bw, 8 + segment->n_delta_entries * 6); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->n_delta_entries); gst_byte_writer_put_uint32_be_unchecked (&bw, 6); for (i = 0; i < segment->n_delta_entries; i++) { gst_byte_writer_put_uint8_unchecked (&bw, segment->delta_entries[i].pos_table_index); gst_byte_writer_put_uint8_unchecked (&bw, segment->delta_entries[i].slice); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->delta_entries[i].element_delta); } gst_byte_writer_put_uint16_be_unchecked (&bw, 0x3f0a); gst_byte_writer_put_uint16_be_unchecked (&bw, 8 + segment->n_index_entries * (11 + 4 * segment->slice_count + 8 * segment->pos_table_count)); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->n_index_entries); gst_byte_writer_put_uint32_be_unchecked (&bw, (11 + 4 * segment->slice_count + 8 * segment->pos_table_count)); for (i = 0; i < segment->n_index_entries; i++) { guint j; gst_byte_writer_put_uint8_unchecked (&bw, segment->index_entries[i].temporal_offset); gst_byte_writer_put_uint8_unchecked (&bw, segment->index_entries[i].key_frame_offset); gst_byte_writer_put_uint8_unchecked (&bw, segment->index_entries[i].flags); gst_byte_writer_put_uint64_be_unchecked (&bw, segment->index_entries[i].stream_offset); for (j = 0; j < segment->slice_count; j++) gst_byte_writer_put_uint32_be_unchecked (&bw, segment->index_entries[i].slice_offset[j]); for (j = 0; j < segment->pos_table_count; j++) { gst_byte_writer_put_uint32_be_unchecked (&bw, segment->index_entries[i].pos_table[j].n); gst_byte_writer_put_uint32_be_unchecked (&bw, segment->index_entries[i].pos_table[j].d); } } g_assert (gst_byte_writer_get_pos (&bw) == map.size); gst_buffer_unmap (ret, &map); return ret; } /* 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 * ul, MXFPrimerPack * pack, const guint8 * data, guint size) { guint i; guint32 n; if (size < 8) return FALSE; g_return_val_if_fail (data != NULL, 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; size -= 4; GST_DEBUG (" number of mappings = %u", n); if (GST_READ_UINT32_BE (data) != 18) goto error; data += 4; size -= 4; if (size / 18 < n) 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; } guint16 mxf_primer_pack_add_mapping (MXFPrimerPack * primer, guint16 local_tag, const MXFUL * ul) { MXFUL *uid; #ifndef GST_DISABLE_GST_DEBUG gchar str[48]; #endif guint ltag_tmp = local_tag; if (primer->mappings == NULL) { primer->mappings = g_hash_table_new_full (g_direct_hash, g_direct_equal, (GDestroyNotify) NULL, (GDestroyNotify) _mxf_mapping_ul_free); } if (primer->reverse_mappings == NULL) { primer->reverse_mappings = g_hash_table_new_full ((GHashFunc) mxf_ul_hash, (GEqualFunc) mxf_ul_is_equal, (GDestroyNotify) _mxf_mapping_ul_free, (GDestroyNotify) NULL); } if (primer->next_free_tag == 0xffff && ltag_tmp == 0) { GST_ERROR ("Used too many dynamic tags"); return 0; } if (ltag_tmp == 0) { guint tmp; tmp = GPOINTER_TO_UINT (g_hash_table_lookup (primer->reverse_mappings, ul)); if (tmp == 0) { ltag_tmp = primer->next_free_tag; primer->next_free_tag++; } } else { if (g_hash_table_lookup (primer->mappings, GUINT_TO_POINTER (ltag_tmp))) return ltag_tmp; } g_assert (ltag_tmp != 0); uid = g_slice_new (MXFUL); memcpy (uid, ul, 16); GST_DEBUG ("Adding mapping = 0x%04x -> %s", ltag_tmp, mxf_ul_to_string (uid, str)); g_hash_table_insert (primer->mappings, GUINT_TO_POINTER (ltag_tmp), uid); uid = g_slice_dup (MXFUL, uid); g_hash_table_insert (primer->reverse_mappings, uid, GUINT_TO_POINTER (ltag_tmp)); return ltag_tmp; } GstBuffer * mxf_primer_pack_to_buffer (const MXFPrimerPack * pack) { guint slen; guint8 ber[9]; GstBuffer *ret; GstMapInfo map; guint n; guint8 *data; if (pack->mappings) n = g_hash_table_size (pack->mappings); else n = 0; slen = mxf_ber_encode_size (8 + 18 * n, ber); ret = gst_buffer_new_and_alloc (16 + slen + 8 + 18 * n); gst_buffer_map (ret, &map, GST_MAP_WRITE); memcpy (map.data, MXF_UL (PRIMER_PACK), 16); memcpy (map.data + 16, &ber, slen); data = map.data + 16 + slen; GST_WRITE_UINT32_BE (data, n); GST_WRITE_UINT32_BE (data + 4, 18); data += 8; if (pack->mappings) { gpointer local_tag; MXFUL *ul; GHashTableIter iter; g_hash_table_iter_init (&iter, pack->mappings); while (g_hash_table_iter_next (&iter, &local_tag, (gpointer) & ul)) { GST_WRITE_UINT16_BE (data, GPOINTER_TO_UINT (local_tag)); memcpy (data + 2, ul, 16); data += 18; } } gst_buffer_unmap (ret, &map); return ret; } /* structural metadata parsing */ gboolean mxf_local_tag_parse (const guint8 * data, guint size, guint16 * tag, guint16 * tag_size, const guint8 ** tag_data) { if (size < 4) return FALSE; g_return_val_if_fail (data != NULL, FALSE); *tag = GST_READ_UINT16_BE (data); *tag_size = GST_READ_UINT16_BE (data + 2); data += 4; size -= 4; if (size < *tag_size) return FALSE; *tag_data = data; 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 *ul; g_return_val_if_fail (primer != NULL, FALSE); g_return_val_if_fail (tag_size == 0 || 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); ul = (MXFUL *) g_hash_table_lookup (primer->mappings, GUINT_TO_POINTER (((guint) tag))); if (ul) { #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 (ul, str), tag_size); local_tag = g_slice_new0 (MXFLocalTag); memcpy (&local_tag->ul, ul, sizeof (MXFUL)); local_tag->size = tag_size; local_tag->data = tag_size == 0 ? NULL : g_memdup2 (tag_data, tag_size); local_tag->g_slice = FALSE; g_hash_table_insert (*hash_table, &local_tag->ul, 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 with UL %s and size %u", mxf_ul_to_string (&tag->ul, str), tag->size); g_hash_table_insert (*hash_table, &tag->ul, tag); return TRUE; }