void
DVDA_Title_dealloc(decoders_DVDA_Title *self) {
/*additional memory deallocation here*/
close_mlp_decoder(self->mlp_decoder);
if (self->packet_reader != NULL)
close_packet_reader(self->packet_reader);
if (self->sector_reader != NULL)
close_sector_reader(self->sector_reader);
buf_close(self->packet_data);
buf_close(self->frames);
self->codec_framelist->del(self->codec_framelist);
self->output_framelist->del(self->output_framelist);
#ifndef STANDALONE
Py_XDECREF(self->audiotools_pcm);
self->ob_type->tp_free((PyObject*)self);
#endif
}
static void
flacdec_read_vorbis_comment(BitstreamReader *comment,
unsigned channel_count,
int *channel_mask)
{
struct bs_buffer *line = buf_new();
unsigned line_len;
unsigned total_lines;
const char mask_prefix[] =
"WAVEFORMATEXTENSIBLE_CHANNEL_MASK=";
if (!setjmp(*br_try(comment))) {
/*skip over vendor string*/
line_len = comment->read(comment, 32);
comment->skip_bytes(comment, line_len);
/*walk through all entries in the comment*/
for (total_lines = comment->read(comment, 32);
total_lines > 0;
total_lines--) {
const char *s;
/*populate entry one character at a time
(this avoids allocating a big chunk of space
if the length field is something way too large)*/
buf_reset(line);
for (line_len = comment->read(comment, 32);
line_len > 0;
line_len--) {
buf_putc(
toupper((int)comment->read(comment, 8)),
line);
}
buf_putc(0, line); /*NULL terminator*/
s = (const char *)buf_window_start(line);
/*if line starts with mask prefix*/
if (strstr(s, mask_prefix) == s) {
/*convert rest of line to base-16 integer*/
unsigned mask = (unsigned)strtoul(
s + strlen(mask_prefix), NULL, 16);
/*and populate mask field if its number of channel bits
matches the stream's channel count*/
if (channel_bits(mask) == channel_count) {
*channel_mask = mask;
}
}
}
br_etry(comment);
} else {
/*read error in VORBIS_COMMENT
(probably invalid length field somewhere)*/
br_etry(comment);
}
buf_close(line);
}
int
imsg_close(struct imsgbuf *ibuf, struct buf *msg)
{
int n;
if ((n = buf_close(&ibuf->w, msg)) < 0) {
log_warnx("imsg_close: buf_close error");
buf_free(msg);
return (-1);
}
return (n);
}
void
imsg_close(struct imsgbuf *ibuf, struct buf *msg)
{
struct imsg_hdr *hdr;
hdr = (struct imsg_hdr *)msg->buf;
hdr->flags &= ~IMSGF_HASFD;
if (msg->fd != -1)
hdr->flags |= IMSGF_HASFD;
hdr->len = (u_int16_t)msg->wpos;
buf_close(&ibuf->w, msg);
}
TEST close_works(void) {
char b[] = "hello";
ASSERT_EQ(status_ok, NORM_INIT(h));
ASSERT_EQ(status_ok, buf_write(&h, b, sizeof(b)));
ASSERT_STR_EQ("", (char *)flush_buffer);
ASSERT_STR_EQ("hello", (char *)buffer);
ASSERT_EQ(status_ok, buf_close(&h));
ASSERT_STR_EQ("hello", (char *)flush_buffer);
PASS();
};
void
dispatch_imsg(struct interface_info *ifi, int fd)
{
struct imsg_hdr hdr;
char *medium, *reason, *filename,
*servername, *prefix;
size_t medium_len, reason_len, filename_len,
servername_len, prefix_len, totlen;
struct client_lease lease;
int ret, i, optlen;
struct buf *buf;
buf_read(fd, &hdr, sizeof(hdr));
switch (hdr.code) {
case IMSG_SCRIPT_INIT:
if (hdr.len < sizeof(hdr) + sizeof(size_t))
error("corrupted message received");
buf_read(fd, &medium_len, sizeof(medium_len));
if (hdr.len < medium_len + sizeof(size_t) + sizeof(hdr)
+ sizeof(size_t) || medium_len == SIZE_T_MAX)
error("corrupted message received");
if (medium_len > 0) {
if ((medium = calloc(1, medium_len + 1)) == NULL)
error("%m");
buf_read(fd, medium, medium_len);
} else
medium = NULL;
buf_read(fd, &reason_len, sizeof(reason_len));
if (hdr.len < medium_len + reason_len + sizeof(hdr) ||
reason_len == SIZE_T_MAX)
error("corrupted message received");
if (reason_len > 0) {
if ((reason = calloc(1, reason_len + 1)) == NULL)
error("%m");
buf_read(fd, reason, reason_len);
} else
reason = NULL;
priv_script_init(reason, medium);
free(reason);
free(medium);
break;
case IMSG_SCRIPT_WRITE_PARAMS:
bzero(&lease, sizeof lease);
totlen = sizeof(hdr) + sizeof(lease) + sizeof(size_t);
if (hdr.len < totlen)
error("corrupted message received");
buf_read(fd, &lease, sizeof(lease));
buf_read(fd, &filename_len, sizeof(filename_len));
totlen += filename_len + sizeof(size_t);
if (hdr.len < totlen || filename_len == SIZE_T_MAX)
error("corrupted message received");
if (filename_len > 0) {
if ((filename = calloc(1, filename_len + 1)) == NULL)
error("%m");
buf_read(fd, filename, filename_len);
} else
filename = NULL;
buf_read(fd, &servername_len, sizeof(servername_len));
totlen += servername_len + sizeof(size_t);
if (hdr.len < totlen || servername_len == SIZE_T_MAX)
error("corrupted message received");
if (servername_len > 0) {
if ((servername =
calloc(1, servername_len + 1)) == NULL)
error("%m");
buf_read(fd, servername, servername_len);
} else
servername = NULL;
buf_read(fd, &prefix_len, sizeof(prefix_len));
totlen += prefix_len;
if (hdr.len < totlen || prefix_len == SIZE_T_MAX)
error("corrupted message received");
if (prefix_len > 0) {
if ((prefix = calloc(1, prefix_len + 1)) == NULL)
error("%m");
buf_read(fd, prefix, prefix_len);
} else
prefix = NULL;
for (i = 0; i < 256; i++) {
totlen += sizeof(optlen);
if (hdr.len < totlen)
error("corrupted message received");
buf_read(fd, &optlen, sizeof(optlen));
lease.options[i].data = NULL;
lease.options[i].len = optlen;
if (optlen > 0) {
totlen += optlen;
if (hdr.len < totlen || optlen == SIZE_T_MAX)
error("corrupted message received");
lease.options[i].data =
calloc(1, optlen + 1);
if (lease.options[i].data == NULL)
error("%m");
buf_read(fd, lease.options[i].data, optlen);
}
}
lease.server_name = servername;
lease.filename = filename;
priv_script_write_params(prefix, &lease);
free(servername);
free(filename);
free(prefix);
for (i = 0; i < 256; i++)
if (lease.options[i].len > 0)
free(lease.options[i].data);
break;
case IMSG_SCRIPT_GO:
if (hdr.len != sizeof(hdr))
error("corrupted message received");
ret = priv_script_go();
hdr.code = IMSG_SCRIPT_GO_RET;
hdr.len = sizeof(struct imsg_hdr) + sizeof(int);
if ((buf = buf_open(hdr.len)) == NULL)
error("buf_open: %m");
if (buf_add(buf, &hdr, sizeof(hdr)))
error("buf_add: %m");
if (buf_add(buf, &ret, sizeof(ret)))
error("buf_add: %m");
if (buf_close(fd, buf) == -1)
error("buf_close: %m");
break;
case IMSG_SEND_PACKET:
send_packet_priv(ifi, &hdr, fd);
break;
default:
error("received unknown message, code %d", hdr.code);
}
}