chromium/third_party/ffmpeg/libavcodec/bsf.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 <string.h>

#include "config_components.h"

#include "libavutil/avassert.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"

#include "bsf.h"
#include "bsf_internal.h"
#include "codec_desc.h"
#include "codec_par.h"
#include "packet_internal.h"

static av_always_inline const FFBitStreamFilter *ff_bsf(const AVBitStreamFilter *bsf)
{ … }

FFBSFContext;

static av_always_inline FFBSFContext *ffbsfcontext(AVBSFContext *ctx)
{ … }

void av_bsf_free(AVBSFContext **pctx)
{ … }

static void *bsf_child_next(void *obj, void *prev)
{ … }

static const char *bsf_to_name(void *bsf)
{ … }

static const AVClass bsf_class = …;

const AVClass *av_bsf_get_class(void)
{ … }

int av_bsf_alloc(const AVBitStreamFilter *filter, AVBSFContext **pctx)
{ … }

int av_bsf_init(AVBSFContext *ctx)
{ … }

void av_bsf_flush(AVBSFContext *ctx)
{ … }

int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt)
{ … }

int av_bsf_receive_packet(AVBSFContext *ctx, AVPacket *pkt)
{ … }

int ff_bsf_get_packet(AVBSFContext *ctx, AVPacket **pkt)
{ … }

int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
{ … }

BSFListContext;


static int bsf_list_init(AVBSFContext *bsf)
{ … }

static int bsf_list_filter(AVBSFContext *bsf, AVPacket *out)
{ … }

static void bsf_list_flush(AVBSFContext *bsf)
{ … }

static void bsf_list_close(AVBSFContext *bsf)
{ … }

static const char *bsf_list_item_name(void *ctx)
{ … }

static const AVClass bsf_list_class = …;

static const FFBitStreamFilter list_bsf = …;

struct AVBSFList { … };

AVBSFList *av_bsf_list_alloc(void)
{ … }

void av_bsf_list_free(AVBSFList **lst)
{ … }

int av_bsf_list_append(AVBSFList *lst, AVBSFContext *bsf)
{ … }

static int bsf_list_append_internal(AVBSFList *lst, const char *bsf_name, const char *options, AVDictionary ** options_dict)
{ … }

int av_bsf_list_append2(AVBSFList *lst, const char *bsf_name, AVDictionary ** options)
{ … }

int av_bsf_list_finalize(AVBSFList **lst, AVBSFContext **bsf)
{ … }

static int bsf_parse_single(char *str, AVBSFList *bsf_lst)
{ … }

int av_bsf_list_parse_str(const char *str, AVBSFContext **bsf_lst)
{ … }

int av_bsf_get_null_filter(AVBSFContext **bsf)
{ … }