FFmpeg: libavcodec/lcevcdec.h Source File

FFmpeg

libavcodec

lcevcdec.h

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1 /*

2 * This file is part of FFmpeg.

3 *

4 * FFmpeg is free software; you can redistribute it and/or

5 * modify it under the terms of the GNU Lesser General Public

6 * License as published by the Free Software Foundation; either

7 * version 2.1 of the License, or (at your option) any later version.

8 *

9 * FFmpeg is distributed in the hope that it will be useful,

10 * but WITHOUT ANY WARRANTY; without even the implied warranty of

11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

12 * Lesser General Public License for more details.

13 *

14 * You should have received a copy of the GNU Lesser General Public

15 * License along with FFmpeg; if not, write to the Free Software

16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

17 */

18

19 #ifndef AVCODEC_LCEVCDEC_H

20 #define AVCODEC_LCEVCDEC_H

21

22 #include "config_components.h"

23

24 #include <stdint.h>

25 #if CONFIG_LIBLCEVC_DEC

26 #include <LCEVC/lcevc_dec.h>

27 #else

28 typedef uintptr_t LCEVC_DecoderHandle;

29 #endif

30 #include "refstruct.h"

31

32 typedef struct FFLCEVCContext {

33 LCEVC_DecoderHandle decoder;

34 int initialized;

35 } FFLCEVCContext;

36

37 struct AVFrame;

38

39 typedef struct FFLCEVCFrame {

40 FFLCEVCContext *lcevc;

41 struct AVFrame *frame;

42 } FFLCEVCFrame;

43

44 int ff_lcevc_alloc(FFLCEVCContext **plcevc);

45 int ff_lcevc_process(void *logctx, struct AVFrame *frame);

46 void ff_lcevc_unref(void *opaque);

47 #endif /* AVCODEC_LCEVCDEC_H */

AVFrame::opaque

void * opaque

Frame owner's private data.

Definition: frame.h:537

This structure describes decoded (raw) audio or video data.

Definition: frame.h:389

Definition: lcevcdec.h:32

FFLCEVCContext::initialized

int initialized

Definition: lcevcdec.h:34

FFLCEVCContext::decoder

LCEVC_DecoderHandle decoder

Definition: lcevcdec.h:33

void ff_lcevc_unref(void *opaque)

Definition: lcevcdec.c:322

FFLCEVCFrame::lcevc

FFLCEVCContext * lcevc

Definition: lcevcdec.h:40

LCEVC_DecoderHandle

uintptr_t LCEVC_DecoderHandle

Definition: lcevcdec.h:28

ff_lcevc_process

int ff_lcevc_process(void *logctx, struct AVFrame *frame)

Definition: lcevcdec.c:279

these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame

Definition: filter_design.txt:264

int ff_lcevc_alloc(FFLCEVCContext **plcevc)

Definition: lcevcdec.c:310

Definition: lcevcdec.h:39

FFLCEVCFrame::frame

struct AVFrame * frame

Definition: lcevcdec.h:41

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