[mpeg2-dev] how to realize de-interlace in libmpeg2?

[hdzhne <hdz...@12...>]

aGkgLA0KDQpob3cgdG8gcmVhbGl6ZSBkZS1pbnRlcmxhY2UgaW4gbGlibXBlZzI/DQoNCndoaWNo
IHZhcmlibGVzIGFuZCB3aGVyZSBjYW4gSSBwcm9jZXNzIGRlLWludGVybGFjaW5nKHB1dCB0d28g
ZmllbHMgaW50byBvbmUgZnJhbWUpPyANCg0KYmVzdCwNCg0KYWxsaXNvbg0KDQoNCg0KPkFsbGlz
b24sDQo+DQo+T24gV2VkLCA5IE1heSAyMDA3LCBoZHpobmUgd3JvdGU6DQo+DQo+PiBJcyAiaW5m
by0+ZGlzcGxheV9mYnVmLT5idWYiIG9uZSBmaWVsZCBvciBvbmUgZnJhbWUgZGF0YSAobXkgbXBl
ZzIgDQo+PiBzb3VyY2UgaXMgaW50ZXJsYWNlZCk/DQo+DQo+SSB0aGluayBpdCdzIGFsd2F5cyBh
IGZyYW1lLiAoTm90IDEwMCUgc3VyZSBpbiB0aGUgY2FzZSBvZiBmaWVsZCBwaWN0dXJlcywgDQo+
YnV0IG5vYm9keSBzZWVtcyB0byB1c2UgdGhvc2UuIEkgdGhpbmsgaXQncyBzdGlsbCBhIGZyYW1l
IGV2ZW4gd2hlbiBmaWVsZCANCj5waWN0dXJlcyBhcmUgdXNlZCwgaW4gYW55IGV2ZW50LikNCg0K
SWYgIGJ1ZltdIGlzIGFsd2F5cyBhIGZyYW1lLCB3ZSBuZWVkIG5vdCBkbyBhbnkgZGUtaW50ZXJs
YWNlLg0KPg0KPj4gSWYgSSB3YW50IHRvIGRvIGRlLWludGVybGFjZSBiZWZvcmUgZGlzcGxheSAs
IG1heSBJIHByb2Nlc3MgDQo+PiBpbmZvLT5kaXNwbGF5X2ZidWYtPmJ1ZiBkaXJlY3RseT8NCj4N
Cj5TdXJlLiBLZWVwIGluIG1pbmQgdGhhdCBidWZbXSBpcyBhbiBhcnJheSBvZiB0aHJlZSBmcmFt
ZWJ1ZmZlcnMgLS0gWSwgQ2IsIA0KPmFuZCBDciAtLSBhbmQgdGhvc2Ugd2lsbCBiZSBkaWZmZXJl
bnQgc2l6ZXMuIEUuZy4gWSBjb3VsZCBiZSAxMjgweDcyMCBhbmQgDQo+Q2IgYW5kIENyIHdpbGwg
YmUgNjQweDM2MC4NCg0KSSBqdXN0IGRpc3BsYXkgYnVmW10gKGNvbnZlcnQgWVVWIHRvIFJHQikg
b24gUEMgZGlzcGxheWVyLCBhbmQgY2FuIHNlZSBzYXd0b290aCBjbGVhci4gc28gSSB0aGluayBJ
IG5lZWQgZG8gZGUtaW50ZXJsYWNlLg0KDQoNClNvLCBJIGFtIHN0aWxsIG5vdCBzdXJlIHdoZXRo
ZXIgZGUtaW50ZXJsYWNlIHNob3VsZCBiZSBkb25lIGFib3V0IGRpcGxheV9mYnVmLT5idWZbXSBv
ciBub3QuIA0KDQo+DQo+Q2hlZXJzLA0KPktlaXRoDQo+DQo+PiBCZXN0LA0KPj4NCj4+IGFsbGlz
b24NCj4+DQo+Pg0KPj4NCj4+ID09PT09PT0gMjAwNy0wNS0wOCAxMzowOToxOCCjuj09PT09PT0N
Cj4+DQo+Pj4gQWxsaXNvbiwNCj4+Pg0KPj4+IEkgZG9uJ3QgdW5kZXJzdGFuZCBleGFjdGx5IHdo
YXQgeW91IG1lYW4gYnkgIlNEIERWIG1wZWcyIGRhdGEiLiBEViAoYWthLA0KPj4+IE1pbmlEVikg
aXMgYSBkaWZmZXJlbnQgZm9ybWF0IHRoYXQgZG9lcyBub3QgdXNlIE1QRUctMi4NCj4+Pg0KPj4+
IEFzc3VtaW5nIHlvdSdyZSBqdXN0IHJlZmVycmluZyB0byBpbnRlcmxhY2VkIGNvbnRlbnQsIHRo
ZXJlIGlzIG5vIHBlcmZlY3QNCj4+PiB3YXkgdG8gZGlzcGxheSBpbnRlcmxhY2VkIG1hdGVyaWFs
IG9uIGEgcHJvZ3Jlc3NpdmUgZGlzcGxheSBsaWtlIGENCj4+PiBjb21wdXRlciBtb25pdG9yLg0K
Pj4+DQo+Pj4gU29tZSBkZWludGVybGFjaW5nIHRlY2huaXF1ZXMgaW5jbHVkZSAiYm9iYmluZyIg
KG1lYW5pbmcgZG91YmxpbmcgZWFjaA0KPj4+IGxpbmUgaW4gYSBmaWVsZCkgYW5kICJ3ZWF2aW5n
IiAobWVhbmluZyBkaXNwbGF5aW5nIGVhY2ggZnJhbWUgYXMgYSB1bml0LA0KPj4+IHdpdGggc2Vw
YXJhdGUgZmllbGRzIHdvdmVuIHRvZ2V0aGVyKS4NCj4+Pg0KPj4+IGxpYm1wZWcyIGRvZXMgbm90
IGltcGxlbWVudCBhbnkgZGVpbnRlcmxhY2luZyB0ZWNobmlxdWVzLiBJdCBfb25seV8NCj4+PiBw
ZXJmb3JtcyB0aGUgTVBFRy0yIGRlY29kaW5nIHByb2Nlc3MuIFRoZSBkaXNwbGF5IHByb2Nlc3Mg
aXMgdXAgdG8gdGhlDQo+Pj4gYXBwbGljYXRpb24gdGhhdCBoYXJuZXNzZXMgbGlibXBlZzIuDQo+
Pj4NCj4+PiBTb21lIG9mIHRoZSBhcHBsaWNhdGlvbnMgdGhhdCBjYW4gdXNlIGxpYm1wZWcyLCBh
bmQgZG8gaW1wbGVtZW50IHZhcmlvdXMNCj4+PiBkZWludGVybGFjaW5nIG1ldGhvZHMsIGluY2x1
ZGUgbXBsYXllciwgeGluZSwgYW5kIHZsYy4gSWYgeW91IHdhbnQNCj4+PiBnb29kLWxvb2tpbmcg
cmVzdWx0cywgeW91IHNob3VsZCBlaXRoZXIgaW1wbGVtZW50IGRlaW50ZXJsYWNpbmcgb3IgdXNl
IG9uZQ0KPj4+IG9mIHRob3NlIGFwcGxpY2F0aW9ucy4gbGlibXBlZzIgZG9lcyBub3QgZG8gdGhp
cy4NCj4+Pg0KPj4+IEJlc3QgcmVnYXJkcywNCj4+PiBLZWl0aA0KPj4+DQo+Pj4gT24gVHVlLCA4
IE1heSAyMDA3LCBoZHpobmUgd3JvdGU6DQo+Pj4NCj4+Pj4gaGksDQo+Pj4+DQo+Pj4+ICAgIFdo
ZW4gSSB1c2UgbXBlZzJsaWIgdG8gZGVjb2RlciBTRCBEViBkYXRhLCBJIGNhbiBzZWUgc2F3dG9v
dGggY2xlYXINCj4+Pj4gd2hlbiB0aGVyZSBpcyBxdWljayBtb3ZpbmcgaW4gcGljdHVyZS4NCj4+
Pj4NCj4+Pj4gSSB0aGluayBpdCBiZWNhdXNlIGp1c3QgZGVpbnRlcmxhY2luZyBpcyB0b28gc2xv
dyBvciBtZWV0IHNvbWUgd3JvbmcuIFBDDQo+Pj4+IEkgdXNlZCBpcyBoaWdoIHBlcmZvcm1hbmNl
IFBDLCBhbmQgY2FuIGRlY29kZXIgU0QgRFYgbXBlZzIgZGF0YSBhYm91dA0KPj4+PiBtb3JlIHRo
YW4gMzBmcHMuDQo+Pj4+DQo+Pj4+DQo+Pj4+DQo+Pj4+IKGhoaGhoaGhoaGhoaGhoaFoZHpobmUN
Cj4+Pj4goaGhoaGhoaGhoaGhoaGhoWhkemhhbmcyNjRAMTI2LmNvbQ0KPj4+PiChoaGhoaGhoaGh
oaGhoaGhoaGhoTIwMDctMDUtMDgNCj4+Pj4NCj4+Pj4NCj4+DQo+PiA9ID0gPSA9ID0gPSA9ID0g
PSA9ID0gPSA9ID0gPSA9ID0gPSA9ID0NCj4+DQo+Pg0KPj4goaGhoaGhoaGhoaGhoaGhodbCDQo+
PiDA8aOhDQo+Pg0KPj4NCj4+IKGhoaGhoaGhoaGhoaGhoaFoZHpobmUNCj4+IKGhoaGhoaGhoaGh
oaGhoaFoZHpoYW5nMjY0QDEyNi5jb20NCj4+IKGhoaGhoaGhoaGhoaGhoaGhoaGhMjAwNy0wNS0w
OQ0KPj4NCj4+DQoNCj0gPSA9ID0gPSA9ID0gPSA9ID0gPSA9ID0gPSA9ID0gPSA9ID0gPQ0KCQkJ
DQoNCqGhoaGhoaGhoaGhoaGhoaHWwg0KwPGjoQ0KIA0KCQkJCSANCqGhoaGhoaGhoaGhoaGhoaFo
ZHpobmUNCqGhoaGhoaGhoaGhoaGhoaFoZHpoYW5nMjY0QDEyNi5jb20NCqGhoaGhoaGhoaGhoaGh
oaGhoaGhMjAwNy0wNS0wOQ0KDQo=