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FFmpeg/libavcodec/bitstream_filters.c
2017-08-20 15:14:33 +01:00

94 lines
3.0 KiB
C

/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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_extract_extradata_bsf;
extern const AVBitStreamFilter ff_h264_metadata_bsf;
extern const AVBitStreamFilter ff_h264_mp4toannexb_bsf;
extern const AVBitStreamFilter ff_h264_redundant_pps_bsf;
extern const AVBitStreamFilter ff_hevc_metadata_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_mov2textsub_bsf;
extern const AVBitStreamFilter ff_mpeg2_metadata_bsf;
extern const AVBitStreamFilter ff_null_bsf;
extern const AVBitStreamFilter ff_text2movsub_bsf;
extern const AVBitStreamFilter ff_noise_bsf;
extern const AVBitStreamFilter ff_remove_extradata_bsf;
extern const AVBitStreamFilter ff_trace_headers_bsf;
extern const AVBitStreamFilter ff_vp9_raw_reorder_bsf;
extern const AVBitStreamFilter ff_vp9_superframe_bsf;
extern const AVBitStreamFilter ff_vp9_superframe_split_bsf;
#include "libavcodec/bsf_list.c"
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;
}