mirror of
https://github.com/FFmpeg/FFmpeg.git
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122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include "libavutil/common.h"
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#include "libavutil/log.h"
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#include "avcodec.h"
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#include "bsf.h"
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extern const AVBitStreamFilter ff_aac_adtstoasc_bsf;
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extern const AVBitStreamFilter ff_chomp_bsf;
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extern const AVBitStreamFilter ff_dump_extradata_bsf;
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extern const AVBitStreamFilter ff_h264_mp4toannexb_bsf;
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extern const AVBitStreamFilter ff_hevc_mp4toannexb_bsf;
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extern const AVBitStreamFilter ff_imx_dump_header_bsf;
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extern const AVBitStreamFilter ff_mjpeg2jpeg_bsf;
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extern const AVBitStreamFilter ff_mjpega_dump_header_bsf;
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extern const AVBitStreamFilter ff_mov2textsub_bsf;
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extern const AVBitStreamFilter ff_text2movsub_bsf;
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extern const AVBitStreamFilter ff_noise_bsf;
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extern const AVBitStreamFilter ff_remove_extradata_bsf;
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static const AVBitStreamFilter *bitstream_filters[] = {
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#if CONFIG_AAC_ADTSTOASC_BSF
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&ff_aac_adtstoasc_bsf,
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#endif
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#if CONFIG_CHOMP_BSF
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&ff_chomp_bsf,
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#endif
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#if CONFIG_DUMP_EXTRADATA_BSF
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&ff_dump_extradata_bsf,
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#endif
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#if CONFIG_H264_MP4TOANNEXB_BSF
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&ff_h264_mp4toannexb_bsf,
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#endif
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#if CONFIG_HEVC_MP4TOANNEXB_BSF
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&ff_hevc_mp4toannexb_bsf,
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#endif
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#if CONFIG_IMX_DUMP_HEADER_BSF
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&ff_imx_dump_header_bsf,
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#endif
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#if CONFIG_MJPEG2JPEG_BSF
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&ff_mjpeg2jpeg_bsf,
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#endif
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#if CONFIG_MJPEGA_DUMP_HEADER_BSF
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&ff_mjpeg2jpeg_bsf,
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#endif
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#if CONFIG_MOV2TEXTSUB_BSF
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&ff_mov2textsub_bsf,
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#endif
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#if CONFIG_TEXT2MOVSUB_BSF
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&ff_text2movsub_bsf,
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#endif
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#if CONFIG_NOISE_BSF
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&ff_noise_bsf,
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#endif
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#if CONFIG_REMOVE_EXTRADATA_BSF
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&ff_remove_extradata_bsf,
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#endif
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NULL,
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};
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const AVBitStreamFilter *av_bsf_next(void **opaque)
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{
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uintptr_t i = (uintptr_t)*opaque;
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const AVBitStreamFilter *f = bitstream_filters[i];
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if (f)
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*opaque = (void*)(i + 1);
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return f;
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}
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const AVBitStreamFilter *av_bsf_get_by_name(const char *name)
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{
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int i;
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for (i = 0; bitstream_filters[i]; i++) {
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const AVBitStreamFilter *f = bitstream_filters[i];
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if (!strcmp(f->name, name))
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return f;
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}
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return NULL;
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}
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const AVClass *ff_bsf_child_class_next(const AVClass *prev)
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{
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int i;
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/* find the filter that corresponds to prev */
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for (i = 0; prev && bitstream_filters[i]; i++) {
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if (bitstream_filters[i]->priv_class == prev) {
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i++;
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break;
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}
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}
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/* find next filter with priv options */
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for (; bitstream_filters[i]; i++)
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if (bitstream_filters[i]->priv_class)
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return bitstream_filters[i]->priv_class;
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return NULL;
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}
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