int
MotionCells::initDataFile (char *p_datafile, gint64 starttime) //p_date is increased with difference between current and previous buffer ts
{
MotionCellData mcd;
if (strncmp (p_datafile, " ", 1)) {
mc_savefile = fopen (p_datafile, "w");
if (mc_savefile == NULL) {
//fprintf(stderr, "%s %d:initDataFile:fopen:%d (%s)\n", __FILE__, __LINE__, errno,
//strerror(errno));
strncpy (m_initdatafilefailed, strerror (errno), BUSMSGLEN - 1);
m_initerrorcode = errno;
return 1;
} else {
m_saveInDatafile = true;
}
} else
mc_savefile = NULL;
memset (&m_header, 0, sizeof (MotionCellHeader));
m_header.headersize = GINT32_TO_BE (MC_HEADER);
m_header.type = GINT32_TO_BE (MC_TYPE);
m_header.version = GINT32_TO_BE (MC_VERSION);
//it needs these bytes
m_header.itemsize =
GINT32_TO_BE ((int) ceil (ceil (m_gridx * m_gridy / 8.0) / 4.0) * 4 +
sizeof (mcd.timestamp));
m_header.gridx = GINT32_TO_BE (m_gridx);
m_header.gridy = GINT32_TO_BE (m_gridy);
m_header.starttime = GINT64_TO_BE (starttime);
snprintf (m_header.name, sizeof (m_header.name), "%s %dx%d", MC_VERSIONTEXT,
GINT32_FROM_BE (m_header.gridx), GINT32_FROM_BE (m_header.gridy));
m_changed_datafile = false;
return 0;
}
static GString *
append_int64 (GString *s, gint64 val)
{
union {
gint64 as_int;
char as_bytes[8];
} u;
u.as_int = GINT64_TO_BE (val);
g_string_append_len (s, u.as_bytes, 8);
return s;
}
/**
* qmi_utils_write_gint64_to_buffer:
* @buffer: a buffer.
* @buffer_size: size of @buffer.
* @endian: endianness of firmware value; swapped from host byte order if necessary
* @in: location of the variable to be written.
*
* Writes a signed 64-bit integer into the buffer. The number to be written
* is expected to be given in host endianness, and this method takes care of
* converting the value written to the byte order specified by @endian.
*
* The user needs to make sure that the buffer is at least 8 bytes long.
*
* Also note that both @buffer and @buffer_size get updated after the 8 bytes
* write.
*/
void
qmi_utils_write_gint64_to_buffer (guint8 **buffer,
guint16 *buffer_size,
QmiEndian endian,
gint64 *in)
{
gint64 tmp;
g_assert (in != NULL);
g_assert (buffer != NULL);
g_assert (buffer_size != NULL);
g_assert (*buffer_size >= 8);
if (endian == QMI_ENDIAN_BIG)
tmp = GINT64_TO_BE (*in);
else
tmp = GINT64_TO_LE (*in);
memcpy (&(*buffer)[0], &tmp, sizeof (tmp));
*buffer = &((*buffer)[8]);
*buffer_size = (*buffer_size) - 8;
}
static void
gst_file_index_add_association (GstIndex * index, GstIndexEntry * entry)
{
GstFileIndex *fileindex = GST_FILE_INDEX (index);
GstFileIndexId *id_index;
gint mx;
GstIndexAssociation sample;
gboolean exact;
id_index = g_hash_table_lookup (fileindex->id_index, &entry->id);
if (!id_index)
return;
if (!id_index->nformats) {
gint fx;
id_index->nformats = GST_INDEX_NASSOCS (entry);
GST_LOG_OBJECT (fileindex, "creating %d formats for %d",
id_index->nformats, entry->id);
id_index->format = g_new (GstFormat, id_index->nformats);
for (fx = 0; fx < id_index->nformats; fx++)
id_index->format[fx] = GST_INDEX_ASSOC_FORMAT (entry, fx);
_fc_alloc_array (id_index);
} else {
/* only sanity checking */
if (id_index->nformats != GST_INDEX_NASSOCS (entry))
GST_WARNING_OBJECT (fileindex, "arity change %d -> %d",
id_index->nformats, GST_INDEX_NASSOCS (entry));
else {
gint fx;
for (fx = 0; fx < id_index->nformats; fx++)
if (id_index->format[fx] != GST_INDEX_ASSOC_FORMAT (entry, fx))
GST_WARNING_OBJECT (fileindex, "format[%d] changed %d -> %d",
fx, id_index->format[fx], GST_INDEX_ASSOC_FORMAT (entry, fx));
}
}
/* this is a hack, we should use a private structure instead */
sample.format = 0;
sample.value = GST_INDEX_ASSOC_VALUE (entry, 0);
exact =
_fc_bsearch (id_index->array, ARRAY_ROW_SIZE (id_index),
&mx, file_index_compare, &sample, id_index);
if (exact) {
/* maybe overwrite instead? */
GST_DEBUG_OBJECT (index,
"Ignoring duplicate index association at %" G_GINT64_FORMAT,
GST_INDEX_ASSOC_VALUE (entry, 0));
return;
}
{
gchar *row_data = (gchar *) g_malloc (ARRAY_ROW_SIZE (id_index));
gint fx;
gint32 flags_host = GST_INDEX_ASSOC_FLAGS (entry);
ARRAY_ROW_FLAGS (row_data) = GINT32_TO_BE (flags_host);
for (fx = 0; fx < id_index->nformats; fx++) {
gint64 val_host = GST_INDEX_ASSOC_VALUE (entry, fx);
ARRAY_ROW_VALUE (row_data, fx) = GINT64_TO_BE (val_host);
}
g_array_insert_vals (id_index->array, mx, row_data, 1);
g_free (row_data);
}
}
