lavc: Add hevc_metadata bitstream filter
[libav.git] / libavcodec / bitstream_filters.c
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1/*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include "config.h"
20
21#include "libavutil/common.h"
22#include "libavutil/log.h"
23
24#include "avcodec.h"
25#include "bsf.h"
26
27extern const AVBitStreamFilter ff_aac_adtstoasc_bsf;
28extern const AVBitStreamFilter ff_chomp_bsf;
29extern const AVBitStreamFilter ff_dump_extradata_bsf;
89b35a13 30extern const AVBitStreamFilter ff_extract_extradata_bsf;
9e93001b 31extern const AVBitStreamFilter ff_h264_metadata_bsf;
33d18982 32extern const AVBitStreamFilter ff_h264_mp4toannexb_bsf;
e6874bc3 33extern const AVBitStreamFilter ff_h264_redundant_pps_bsf;
b31a9eae 34extern const AVBitStreamFilter ff_hevc_metadata_bsf;
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35extern const AVBitStreamFilter ff_hevc_mp4toannexb_bsf;
36extern const AVBitStreamFilter ff_imx_dump_header_bsf;
37extern const AVBitStreamFilter ff_mjpeg2jpeg_bsf;
38extern const AVBitStreamFilter ff_mjpega_dump_header_bsf;
39extern const AVBitStreamFilter ff_mov2textsub_bsf;
47e547b3 40extern const AVBitStreamFilter ff_null_bsf;
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41extern const AVBitStreamFilter ff_text2movsub_bsf;
42extern const AVBitStreamFilter ff_noise_bsf;
43extern const AVBitStreamFilter ff_remove_extradata_bsf;
f11d8a5e 44extern const AVBitStreamFilter ff_trace_headers_bsf;
34e051d1 45extern const AVBitStreamFilter ff_vp9_raw_reorder_bsf;
0cf949a0 46extern const AVBitStreamFilter ff_vp9_superframe_bsf;
03a80925 47extern const AVBitStreamFilter ff_vp9_superframe_split_bsf;
33d18982 48
06edef3d 49#include "libavcodec/bsf_list.c"
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50
51const AVBitStreamFilter *av_bsf_next(void **opaque)
52{
53 uintptr_t i = (uintptr_t)*opaque;
54 const AVBitStreamFilter *f = bitstream_filters[i];
55
56 if (f)
57 *opaque = (void*)(i + 1);
58
59 return f;
60}
61
62const AVBitStreamFilter *av_bsf_get_by_name(const char *name)
63{
64 int i;
65
66 for (i = 0; bitstream_filters[i]; i++) {
67 const AVBitStreamFilter *f = bitstream_filters[i];
68 if (!strcmp(f->name, name))
69 return f;
70 }
71
72 return NULL;
73}
74
75const AVClass *ff_bsf_child_class_next(const AVClass *prev)
76{
77 int i;
78
79 /* find the filter that corresponds to prev */
80 for (i = 0; prev && bitstream_filters[i]; i++) {
81 if (bitstream_filters[i]->priv_class == prev) {
82 i++;
83 break;
84 }
85 }
86
87 /* find next filter with priv options */
88 for (; bitstream_filters[i]; i++)
89 if (bitstream_filters[i]->priv_class)
90 return bitstream_filters[i]->priv_class;
91 return NULL;
92}