2 * This file is part of FFmpeg.
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.
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.
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
21 #include "libavutil/common.h"
22 #include "libavutil/log.h"
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_h264_mp4toannexb_bsf;
32 extern const AVBitStreamFilter ff_hevc_mp4toannexb_bsf;
33 extern const AVBitStreamFilter ff_imx_dump_header_bsf;
34 extern const AVBitStreamFilter ff_mjpeg2jpeg_bsf;
35 extern const AVBitStreamFilter ff_mjpega_dump_header_bsf;
36 extern const AVBitStreamFilter ff_mp3_header_decompress_bsf;
37 extern const AVBitStreamFilter ff_mpeg4_unpack_bframes_bsf;
38 extern const AVBitStreamFilter ff_mov2textsub_bsf;
39 extern const AVBitStreamFilter ff_noise_bsf;
40 extern const AVBitStreamFilter ff_remove_extradata_bsf;
41 extern const AVBitStreamFilter ff_text2movsub_bsf;
42 extern const AVBitStreamFilter ff_vp9_superframe_bsf;
44 static const AVBitStreamFilter *bitstream_filters[] = {
45 #if CONFIG_AAC_ADTSTOASC_BSF
46 &ff_aac_adtstoasc_bsf,
51 #if CONFIG_DUMP_EXTRADATA_BSF
52 &ff_dump_extradata_bsf,
54 #if CONFIG_DCA_CORE_BSF
57 #if CONFIG_H264_MP4TOANNEXB_BSF
58 &ff_h264_mp4toannexb_bsf,
60 #if CONFIG_HEVC_MP4TOANNEXB_BSF
61 &ff_hevc_mp4toannexb_bsf,
63 #if CONFIG_IMX_DUMP_HEADER_BSF
64 &ff_imx_dump_header_bsf,
66 #if CONFIG_MJPEG2JPEG_BSF
69 #if CONFIG_MJPEGA_DUMP_HEADER_BSF
70 &ff_mjpega_dump_header_bsf,
72 #if CONFIG_MP3_HEADER_DECOMPRESS_BSF
73 &ff_mp3_header_decompress_bsf,
75 #if CONFIG_MPEG4_UNPACK_BFRAMES_BSF
76 &ff_mpeg4_unpack_bframes_bsf,
78 #if CONFIG_MOV2TEXTSUB_BSF
84 #if CONFIG_REMOVE_EXTRADATA_BSF
85 &ff_remove_extradata_bsf,
87 #if CONFIG_TEXT2MOVSUB_BSF
90 #if CONFIG_VP9_SUPERFRAME_BSF
91 &ff_vp9_superframe_bsf,
96 const AVBitStreamFilter *av_bsf_next(void **opaque)
98 uintptr_t i = (uintptr_t)*opaque;
99 const AVBitStreamFilter *f = bitstream_filters[i];
102 *opaque = (void*)(i + 1);
107 const AVBitStreamFilter *av_bsf_get_by_name(const char *name)
111 for (i = 0; bitstream_filters[i]; i++) {
112 const AVBitStreamFilter *f = bitstream_filters[i];
113 if (!strcmp(f->name, name))
120 const AVClass *ff_bsf_child_class_next(const AVClass *prev)
124 /* find the filter that corresponds to prev */
125 for (i = 0; prev && bitstream_filters[i]; i++) {
126 if (bitstream_filters[i]->priv_class == prev) {
132 /* find next filter with priv options */
133 for (; bitstream_filters[i]; i++)
134 if (bitstream_filters[i]->priv_class)
135 return bitstream_filters[i]->priv_class;