blob: 2045e18b94621f5fae6bdb34a8e6e0dd9f2b9b68
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 | #include "config.h" |
20 | |
21 | #include "libavutil/common.h" |
22 | #include "libavutil/log.h" |
23 | |
24 | #include "avcodec.h" |
25 | #include "bsf.h" |
26 | |
27 | extern const AVBitStreamFilter ff_aac_adtstoasc_bsf; |
28 | extern const AVBitStreamFilter ff_chomp_bsf; |
29 | extern const AVBitStreamFilter ff_dump_extradata_bsf; |
30 | extern const AVBitStreamFilter ff_dca_core_bsf; |
31 | extern const AVBitStreamFilter ff_extract_extradata_bsf; |
32 | extern const AVBitStreamFilter ff_h264_mp4toannexb_bsf; |
33 | extern const AVBitStreamFilter ff_hevc_mp4toannexb_bsf; |
34 | extern const AVBitStreamFilter ff_imx_dump_header_bsf; |
35 | extern const AVBitStreamFilter ff_mjpeg2jpeg_bsf; |
36 | extern const AVBitStreamFilter ff_mjpega_dump_header_bsf; |
37 | extern const AVBitStreamFilter ff_mp3_header_decompress_bsf; |
38 | extern const AVBitStreamFilter ff_mpeg4_unpack_bframes_bsf; |
39 | extern const AVBitStreamFilter ff_mov2textsub_bsf; |
40 | extern const AVBitStreamFilter ff_noise_bsf; |
41 | extern const AVBitStreamFilter ff_remove_extradata_bsf; |
42 | extern const AVBitStreamFilter ff_text2movsub_bsf; |
43 | extern const AVBitStreamFilter ff_vp9_superframe_bsf; |
44 | |
45 | #include "libavcodec/bsf_list.c" |
46 | |
47 | const AVBitStreamFilter *av_bsf_next(void **opaque) |
48 | { |
49 | uintptr_t i = (uintptr_t)*opaque; |
50 | const AVBitStreamFilter *f = bitstream_filters[i]; |
51 | |
52 | if (f) |
53 | *opaque = (void*)(i + 1); |
54 | |
55 | return f; |
56 | } |
57 | |
58 | const AVBitStreamFilter *av_bsf_get_by_name(const char *name) |
59 | { |
60 | int i; |
61 | |
62 | for (i = 0; bitstream_filters[i]; i++) { |
63 | const AVBitStreamFilter *f = bitstream_filters[i]; |
64 | if (!strcmp(f->name, name)) |
65 | return f; |
66 | } |
67 | |
68 | return NULL; |
69 | } |
70 | |
71 | const AVClass *ff_bsf_child_class_next(const AVClass *prev) |
72 | { |
73 | int i; |
74 | |
75 | /* find the filter that corresponds to prev */ |
76 | for (i = 0; prev && bitstream_filters[i]; i++) { |
77 | if (bitstream_filters[i]->priv_class == prev) { |
78 | i++; |
79 | break; |
80 | } |
81 | } |
82 | |
83 | /* find next filter with priv options */ |
84 | for (; bitstream_filters[i]; i++) |
85 | if (bitstream_filters[i]->priv_class) |
86 | return bitstream_filters[i]->priv_class; |
87 | return NULL; |
88 | } |
89 |