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correct initialization of media_format. (btw I just realized I never need to manually zero a format after construction) perform a complete copy of media_format. do some things related to handling meta_data_areas. still some left to do, so do an UNIMPLEMENTED if we are in that state

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6210 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
shatty
2004-01-21 10:34:27 +00:00
parent 18bffde638
commit a2d20d9daa
1 changed files with 21 additions and 11 deletions
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src/kits/media/MediaDefs.cpp
+21 -11
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@@ -649,6 +649,9 @@ media_format::MetaDataSize() const
media_format::media_format() media_format::media_format()
{ {
memset(this, 0x00, sizeof(*this)); memset(this, 0x00, sizeof(*this));
meta_data_area = B_BAD_VALUE;
use_area = B_BAD_VALUE;
team = B_BAD_VALUE;
//meta_data, meta_data_size, meta_data_area, use_area, //meta_data, meta_data_size, meta_data_area, use_area,
//team, and thisPtr are currently only used by decoders //team, and thisPtr are currently only used by decoders
//when communicating with the file reader; they're not //when communicating with the file reader; they're not
@@ -674,17 +677,24 @@ media_format::~media_format()
media_format & media_format &
media_format::operator=(const media_format &clone) media_format::operator=(const media_format &clone)
{ {
memset(this, 0x00, sizeof(*this)); memcpy(this, &clone, sizeof(*this));
// these things only happen when a meta_data_area is defined:
type = clone.type; if (meta_data_area != B_BAD_VALUE) {
user_data_type = clone.user_data_type; thread_id thread = find_thread(NULL);
if (thread != B_NAME_NOT_FOUND) {
memcpy(user_data, clone.user_data, sizeof(media_format::user_data)); thread_info info;
if (get_thread_info(thread,&info) == B_OK) {
require_flags = clone.require_flags; team = info.team;
deny_flags = clone.deny_flags; }
}
memcpy(u._reserved_, clone.u._reserved_, sizeof(media_format::u._reserved_)); thisPtr = this;
// TODO: start _Media_Roster_
// TODO: request the _Media_Roster_ to give us the
// use_area for this team, or to create a
// clone for our team if our team doesn't have one yet
// TODO: set meta_data to point to the clone's address
UNIMPLEMENTED();
}
return *this; return *this;
} }