af9cac1be1
* commit '33d18982fa03feb061c8f744a4f0a9175c1f63ab': lavc: add a new bitstream filtering API Conversions-by: Hendrik Leppkes <h.leppkes@gmail.com> Conversions-by: Derek Buitenguis <derek.buitenhuis@gmail.com> Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
138 lines
3.7 KiB
C
138 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 "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;
|
|
}
|