static void
gst_qt_moov_recover_run (void *data)
{
FILE *moovrec = NULL;
FILE *mdatinput = NULL;
FILE *output = NULL;
MdatRecovFile *mdat_recov = NULL;
MoovRecovFile *moov_recov = NULL;
GstQTMoovRecover *qtmr = GST_QT_MOOV_RECOVER_CAST (data);
GError *err = NULL;
GST_LOG_OBJECT (qtmr, "Starting task");
GST_DEBUG_OBJECT (qtmr, "Validating properties");
GST_OBJECT_LOCK (qtmr);
/* validate properties */
if (qtmr->broken_input == NULL) {
GST_OBJECT_UNLOCK (qtmr);
GST_ELEMENT_ERROR (qtmr, RESOURCE, SETTINGS,
("Please set broken-input property"), (NULL));
goto end;
}
if (qtmr->recovery_input == NULL) {
GST_OBJECT_UNLOCK (qtmr);
GST_ELEMENT_ERROR (qtmr, RESOURCE, SETTINGS,
("Please set recovery-input property"), (NULL));
goto end;
}
if (qtmr->fixed_output == NULL) {
GST_OBJECT_UNLOCK (qtmr);
GST_ELEMENT_ERROR (qtmr, RESOURCE, SETTINGS,
("Please set fixed-output property"), (NULL));
goto end;
}
GST_DEBUG_OBJECT (qtmr, "Opening input/output files");
/* open files */
moovrec = g_fopen (qtmr->recovery_input, "rb");
if (moovrec == NULL) {
GST_OBJECT_UNLOCK (qtmr);
GST_ELEMENT_ERROR (qtmr, RESOURCE, OPEN_READ,
("Failed to open recovery-input file"), (NULL));
goto end;
}
mdatinput = g_fopen (qtmr->broken_input, "rb");
if (mdatinput == NULL) {
GST_OBJECT_UNLOCK (qtmr);
GST_ELEMENT_ERROR (qtmr, RESOURCE, OPEN_READ,
("Failed to open broken-input file"), (NULL));
goto end;
}
output = g_fopen (qtmr->fixed_output, "wb+");
if (output == NULL) {
GST_OBJECT_UNLOCK (qtmr);
GST_ELEMENT_ERROR (qtmr, RESOURCE, OPEN_READ_WRITE,
("Failed to open fixed-output file"), (NULL));
goto end;
}
GST_OBJECT_UNLOCK (qtmr);
GST_DEBUG_OBJECT (qtmr, "Parsing input files");
/* now create our structures */
mdat_recov = mdat_recov_file_create (mdatinput, qtmr->faststart_mode, &err);
mdatinput = NULL;
if (mdat_recov == NULL) {
GST_ELEMENT_ERROR (qtmr, RESOURCE, FAILED,
("Broken file could not be parsed correctly"), (NULL));
goto end;
}
moov_recov = moov_recov_file_create (moovrec, &err);
moovrec = NULL;
if (moov_recov == NULL) {
GST_ELEMENT_ERROR (qtmr, RESOURCE, FAILED,
("Recovery file could not be parsed correctly"), (NULL));
goto end;
}
/* now parse the buffers data from moovrec */
if (!moov_recov_parse_buffers (moov_recov, mdat_recov, &err)) {
goto end;
}
GST_DEBUG_OBJECT (qtmr, "Writing fixed file to output");
if (!moov_recov_write_file (moov_recov, mdat_recov, output, &err)) {
goto end;
}
/* here means success */
GST_DEBUG_OBJECT (qtmr, "Finished successfully, posting EOS");
gst_element_post_message (GST_ELEMENT_CAST (qtmr),
gst_message_new_eos (GST_OBJECT_CAST (qtmr)));
end:
GST_LOG_OBJECT (qtmr, "Finalizing task");
if (err) {
GST_ELEMENT_ERROR (qtmr, RESOURCE, FAILED, ("%s", err->message), (NULL));
g_error_free (err);
}
if (moov_recov)
moov_recov_file_free (moov_recov);
if (moovrec)
fclose (moovrec);
if (mdat_recov)
mdat_recov_file_free (mdat_recov);
if (mdatinput)
fclose (mdatinput);
if (output)
fclose (output);
GST_LOG_OBJECT (qtmr, "Leaving task");
gst_task_stop (qtmr->task);
}
MdatRecovFile *
mdat_recov_file_create (FILE * file, gboolean datafile, GError ** err)
{
MdatRecovFile *mrf = g_new0 (MdatRecovFile, 1);
guint32 fourcc, size;
g_return_val_if_fail (file != NULL, NULL);
mrf->file = file;
mrf->rawfile = datafile;
/* get the file/data length */
if (fseek (file, 0, SEEK_END) != 0)
goto file_length_error;
/* still needs to deduce the mdat header and ftyp size */
mrf->data_size = ftell (file);
if (mrf->data_size == -1L)
goto file_length_error;
if (fseek (file, 0, SEEK_SET) != 0)
goto file_seek_error;
if (datafile) {
/* this file contains no atoms, only raw data to be placed on the mdat
* this happens when faststart mode is used */
mrf->mdat_start = 0;
mrf->mdat_header_size = 16;
mrf->mdat_size = 16;
return mrf;
}
if (!read_atom_header (file, &fourcc, &size)) {
goto parse_error;
}
if (fourcc != FOURCC_ftyp) {
/* this could be a prefix atom, let's skip it and try again */
if (fseek (file, size - 8, SEEK_CUR) != 0) {
goto file_seek_error;
}
if (!read_atom_header (file, &fourcc, &size)) {
goto parse_error;
}
}
if (fourcc != FOURCC_ftyp) {
goto parse_error;
}
if (fseek (file, size - 8, SEEK_CUR) != 0)
goto file_seek_error;
/* we don't parse this if we have a tmpdatafile */
if (!mdat_recov_file_parse_mdat_start (mrf)) {
g_set_error (err, ATOMS_RECOV_QUARK, ATOMS_RECOV_ERR_PARSING,
"Error while parsing mdat atom");
goto fail;
}
return mrf;
parse_error:
g_set_error (err, ATOMS_RECOV_QUARK, ATOMS_RECOV_ERR_FILE,
"Failed to parse atom");
goto fail;
file_seek_error:
g_set_error (err, ATOMS_RECOV_QUARK, ATOMS_RECOV_ERR_FILE,
"Failed to seek to start of the file");
goto fail;
file_length_error:
g_set_error (err, ATOMS_RECOV_QUARK, ATOMS_RECOV_ERR_FILE,
"Failed to determine file size");
goto fail;
fail:
mdat_recov_file_free (mrf);
return NULL;
}
