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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
FFmpeg/libavcodec/bitstream_filters.c
John Stebbins 326f9fd01b lavc/pgs_frame_merge_bsf: add bsf to merge PGS segments
Required to remux m2ts to mkv
Minor changes and porting to FFBitStreamFilter done by the committer.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-05-10 10:03:30 +02:00

108 lines
3.7 KiB
C

/*
* 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 <stdint.h>
#include <string.h>
#include "libavutil/log.h"
#include "bsf.h"
#include "bsf_internal.h"
extern const FFBitStreamFilter ff_aac_adtstoasc_bsf;
extern const FFBitStreamFilter ff_av1_frame_merge_bsf;
extern const FFBitStreamFilter ff_av1_frame_split_bsf;
extern const FFBitStreamFilter ff_av1_metadata_bsf;
extern const FFBitStreamFilter ff_chomp_bsf;
extern const FFBitStreamFilter ff_dump_extradata_bsf;
extern const FFBitStreamFilter ff_dca_core_bsf;
extern const FFBitStreamFilter ff_dv_error_marker_bsf;
extern const FFBitStreamFilter ff_eac3_core_bsf;
extern const FFBitStreamFilter ff_extract_extradata_bsf;
extern const FFBitStreamFilter ff_filter_units_bsf;
extern const FFBitStreamFilter ff_h264_metadata_bsf;
extern const FFBitStreamFilter ff_h264_mp4toannexb_bsf;
extern const FFBitStreamFilter ff_h264_redundant_pps_bsf;
extern const FFBitStreamFilter ff_hapqa_extract_bsf;
extern const FFBitStreamFilter ff_hevc_metadata_bsf;
extern const FFBitStreamFilter ff_hevc_mp4toannexb_bsf;
extern const FFBitStreamFilter ff_imx_dump_header_bsf;
extern const FFBitStreamFilter ff_mjpeg2jpeg_bsf;
extern const FFBitStreamFilter ff_mjpega_dump_header_bsf;
extern const FFBitStreamFilter ff_mp3_header_decompress_bsf;
extern const FFBitStreamFilter ff_mpeg2_metadata_bsf;
extern const FFBitStreamFilter ff_mpeg4_unpack_bframes_bsf;
extern const FFBitStreamFilter ff_mov2textsub_bsf;
extern const FFBitStreamFilter ff_noise_bsf;
extern const FFBitStreamFilter ff_null_bsf;
extern const FFBitStreamFilter ff_opus_metadata_bsf;
extern const FFBitStreamFilter ff_pcm_rechunk_bsf;
extern const FFBitStreamFilter ff_pgs_frame_merge_bsf;
extern const FFBitStreamFilter ff_prores_metadata_bsf;
extern const FFBitStreamFilter ff_remove_extradata_bsf;
extern const FFBitStreamFilter ff_setts_bsf;
extern const FFBitStreamFilter ff_text2movsub_bsf;
extern const FFBitStreamFilter ff_trace_headers_bsf;
extern const FFBitStreamFilter ff_truehd_core_bsf;
extern const FFBitStreamFilter ff_vp9_metadata_bsf;
extern const FFBitStreamFilter ff_vp9_raw_reorder_bsf;
extern const FFBitStreamFilter ff_vp9_superframe_bsf;
extern const FFBitStreamFilter ff_vp9_superframe_split_bsf;
#include "libavcodec/bsf_list.c"
const AVBitStreamFilter *av_bsf_iterate(void **opaque)
{
uintptr_t i = (uintptr_t)*opaque;
const FFBitStreamFilter *f = bitstream_filters[i];
if (f) {
*opaque = (void*)(i + 1);
return &f->p;
}
return NULL;
}
const AVBitStreamFilter *av_bsf_get_by_name(const char *name)
{
const AVBitStreamFilter *f = NULL;
void *i = 0;
if (!name)
return NULL;
while ((f = av_bsf_iterate(&i))) {
if (!strcmp(f->name, name))
return f;
}
return NULL;
}
const AVClass *ff_bsf_child_class_iterate(void **opaque)
{
const AVBitStreamFilter *f;
/* find next filter with priv options */
while ((f = av_bsf_iterate(opaque))) {
if (f->priv_class)
return f->priv_class;
}
return NULL;
}