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/*
* 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
*/
#include "config.h"
#include "libavutil/common.h"
#include "libavutil/log.h"
#include "avcodec.h"
#include "bsf.h"
extern const AVBitStreamFilter ff_aac_adtstoasc_bsf;
extern const AVBitStreamFilter ff_chomp_bsf;
extern const AVBitStreamFilter ff_dump_extradata_bsf;
extern const AVBitStreamFilter ff_dca_core_bsf;
extern const AVBitStreamFilter ff_h264_mp4toannexb_bsf;
extern const AVBitStreamFilter ff_hevc_mp4toannexb_bsf;
extern const AVBitStreamFilter ff_imx_dump_header_bsf;
extern const AVBitStreamFilter ff_mjpeg2jpeg_bsf;
extern const AVBitStreamFilter ff_mjpega_dump_header_bsf;
extern const AVBitStreamFilter ff_mp3_header_decompress_bsf;
extern const AVBitStreamFilter ff_mpeg4_unpack_bframes_bsf;
extern const AVBitStreamFilter ff_mov2textsub_bsf;
extern const AVBitStreamFilter ff_noise_bsf;
extern const AVBitStreamFilter ff_remove_extradata_bsf;
extern const AVBitStreamFilter ff_text2movsub_bsf;
extern const AVBitStreamFilter ff_vp9_superframe_bsf;
static const AVBitStreamFilter *bitstream_filters[] = {
#if CONFIG_AAC_ADTSTOASC_BSF
&ff_aac_adtstoasc_bsf,
#endif
#if CONFIG_CHOMP_BSF
&ff_chomp_bsf,
#endif
#if CONFIG_DUMP_EXTRADATA_BSF
&ff_dump_extradata_bsf,
#endif
#if CONFIG_DCA_CORE_BSF
&ff_dca_core_bsf,
#endif
#if CONFIG_H264_MP4TOANNEXB_BSF
&ff_h264_mp4toannexb_bsf,
#endif
#if CONFIG_HEVC_MP4TOANNEXB_BSF
&ff_hevc_mp4toannexb_bsf,
#endif
#if CONFIG_IMX_DUMP_HEADER_BSF
&ff_imx_dump_header_bsf,
#endif
#if CONFIG_MJPEG2JPEG_BSF
&ff_mjpeg2jpeg_bsf,
#endif
#if CONFIG_MJPEGA_DUMP_HEADER_BSF
&ff_mjpega_dump_header_bsf,
#endif
#if CONFIG_MP3_HEADER_DECOMPRESS_BSF
&ff_mp3_header_decompress_bsf,
#endif
#if CONFIG_MPEG4_UNPACK_BFRAMES_BSF
&ff_mpeg4_unpack_bframes_bsf,
#endif
#if CONFIG_MOV2TEXTSUB_BSF
&ff_mov2textsub_bsf,
#endif
#if CONFIG_NOISE_BSF
&ff_noise_bsf,
#endif
#if CONFIG_REMOVE_EXTRADATA_BSF
&ff_remove_extradata_bsf,
#endif
#if CONFIG_TEXT2MOVSUB_BSF
&ff_text2movsub_bsf,
#endif
#if CONFIG_VP9_SUPERFRAME_BSF
&ff_vp9_superframe_bsf,
#endif
NULL,
};
const AVBitStreamFilter *av_bsf_next(void **opaque)
{
uintptr_t i = (uintptr_t)*opaque;
const AVBitStreamFilter *f = bitstream_filters[i];
if (f)
*opaque = (void*)(i + 1);
return f;
}
const AVBitStreamFilter *av_bsf_get_by_name(const char *name)
{
int i;
for (i = 0; bitstream_filters[i]; i++) {
const AVBitStreamFilter *f = bitstream_filters[i];
if (!strcmp(f->name, name))
return f;
}
return NULL;
}
const AVClass *ff_bsf_child_class_next(const AVClass *prev)
{
int i;
/* find the filter that corresponds to prev */
for (i = 0; prev && bitstream_filters[i]; i++) {
if (bitstream_filters[i]->priv_class == prev) {
i++;
break;
}
}
/* find next filter with priv options */
for (; bitstream_filters[i]; i++)
if (bitstream_filters[i]->priv_class)
return bitstream_filters[i]->priv_class;
return NULL;
}
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