1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file libavcodec/internal.h
* common internal api header.
*/
#ifndef AVCODEC_INTERNAL_H
#define AVCODEC_INTERNAL_H
#include <stdint.h>
#include "avcodec.h"
/**
* Logs a generic warning message about a missing feature.
* @param[in] avc a pointer to an arbitrary struct of which the first field is
* a pointer to an AVClass struct
* @param[in] feature string containing the name of the missing feature
* @param[in] want_sample indicates if samples are wanted which exhibit this feature.
* If \p want_sample is non-zero, additional verbage will be added to the log
* message which tells the user how to report samples to the development
* mailing list.
*/
void ff_log_missing_feature(void *avc, const char *feature, int want_sample);
/**
* Logs a generic warning message asking for a sample.
* @param[in] avc a pointer to an arbitrary struct of which the first field is
* a pointer to an AVClass struct
* @param[in] msg string containing an optional message, or NULL if no message
*/
void ff_log_ask_for_sample(void *avc, const char *msg);
/**
* Determines whether \p pix_fmt is a hardware accelerated format.
*/
int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
/**
* Returns the hardware accelerated codec for codec \p codec_id and
* pixel format \p pix_fmt.
*
* @param codec_id the codec to match
* @param pix_fmt the pixel format to match
* @return the hardware accelerated codec, or NULL if none was found.
*/
AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
#endif /* AVCODEC_INTERNAL_H */
|
