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Merge commit '47e547b321338c73c21fa623789f1efbd80a297a'
* commit '47e547b321338c73c21fa623789f1efbd80a297a': lavc: add a null bitstream filter Merged-by: Clément Bœsch <u@pkh.me>
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commit
e22d495538
@ -234,6 +234,9 @@ ffmpeg -i INPUT -c copy -bsf noise[=1] output.mkv
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@end example
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applies the modification to every byte.
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@section null
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This bitstream filter passes the packets through unchanged.
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@section remove_extra
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Remove extradata from packets.
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@ -993,6 +993,7 @@ OBJS-$(CONFIG_MOV2TEXTSUB_BSF) += movsub_bsf.o
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OBJS-$(CONFIG_MP3_HEADER_DECOMPRESS_BSF) += mp3_header_decompress_bsf.o \
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mpegaudiodata.o
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OBJS-$(CONFIG_NOISE_BSF) += noise_bsf.o
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OBJS-$(CONFIG_NULL_BSF) += null_bsf.o
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OBJS-$(CONFIG_REMOVE_EXTRADATA_BSF) += remove_extradata_bsf.o
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OBJS-$(CONFIG_TEXT2MOVSUB_BSF) += movsub_bsf.o
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OBJS-$(CONFIG_VP9_SUPERFRAME_BSF) += vp9_superframe_bsf.o
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@ -38,6 +38,7 @@ extern const AVBitStreamFilter ff_mp3_header_decompress_bsf;
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extern const AVBitStreamFilter ff_mpeg4_unpack_bframes_bsf;
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extern const AVBitStreamFilter ff_mov2textsub_bsf;
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extern const AVBitStreamFilter ff_noise_bsf;
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extern const AVBitStreamFilter ff_null_bsf;
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extern const AVBitStreamFilter ff_remove_extradata_bsf;
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extern const AVBitStreamFilter ff_text2movsub_bsf;
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extern const AVBitStreamFilter ff_vp9_superframe_bsf;
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43
libavcodec/null_bsf.c
Normal file
43
libavcodec/null_bsf.c
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@ -0,0 +1,43 @@
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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/**
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* @file
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* Null bitstream filter -- pass the input through unchanged.
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*/
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#include "avcodec.h"
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#include "bsf.h"
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static int null_filter(AVBSFContext *ctx, AVPacket *out)
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{
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AVPacket *in;
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int ret;
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ret = ff_bsf_get_packet(ctx, &in);
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if (ret < 0)
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return ret;
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av_packet_move_ref(out, in);
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av_packet_free(&in);
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return 0;
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}
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const AVBitStreamFilter ff_null_bsf = {
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.name = "null",
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.filter = null_filter,
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};
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