mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>pull/362/head
Andreas Rheinhardt
4 years ago
committed by
James Almer
parent
1137ddf330
commit
0f247986ad
6 changed files with 0 additions and 316 deletions
@ -1,185 +0,0 @@ |
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/*
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* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> |
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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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#include <string.h> |
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#include "avcodec.h" |
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#include "libavutil/internal.h" |
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#include "libavutil/mem.h" |
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#include "libavutil/opt.h" |
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#if FF_API_OLD_BSF |
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FF_DISABLE_DEPRECATION_WARNINGS |
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const AVBitStreamFilter *av_bitstream_filter_next(const AVBitStreamFilter *f) |
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{ |
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const AVBitStreamFilter *filter = NULL; |
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void *opaque = NULL; |
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while (filter != f) |
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filter = av_bsf_iterate(&opaque); |
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return av_bsf_iterate(&opaque); |
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} |
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void av_register_bitstream_filter(AVBitStreamFilter *bsf) |
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{ |
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} |
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typedef struct BSFCompatContext { |
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AVBSFContext *ctx; |
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int extradata_updated; |
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} BSFCompatContext; |
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AVBitStreamFilterContext *av_bitstream_filter_init(const char *name) |
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{ |
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AVBitStreamFilterContext *ctx = NULL; |
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BSFCompatContext *priv = NULL; |
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const AVBitStreamFilter *bsf; |
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bsf = av_bsf_get_by_name(name); |
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if (!bsf) |
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return NULL; |
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ctx = av_mallocz(sizeof(*ctx)); |
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if (!ctx) |
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return NULL; |
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priv = av_mallocz(sizeof(*priv)); |
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if (!priv) |
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goto fail; |
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ctx->filter = bsf; |
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ctx->priv_data = priv; |
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return ctx; |
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fail: |
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if (priv) |
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av_bsf_free(&priv->ctx); |
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av_freep(&priv); |
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av_freep(&ctx); |
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return NULL; |
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} |
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void av_bitstream_filter_close(AVBitStreamFilterContext *bsfc) |
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{ |
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BSFCompatContext *priv; |
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if (!bsfc) |
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return; |
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priv = bsfc->priv_data; |
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av_bsf_free(&priv->ctx); |
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av_freep(&bsfc->priv_data); |
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av_free(bsfc); |
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} |
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int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc, |
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AVCodecContext *avctx, const char *args, |
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uint8_t **poutbuf, int *poutbuf_size, |
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const uint8_t *buf, int buf_size, int keyframe) |
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{ |
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BSFCompatContext *priv = bsfc->priv_data; |
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AVPacket pkt = { 0 }; |
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int ret; |
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if (!priv->ctx) { |
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ret = av_bsf_alloc(bsfc->filter, &priv->ctx); |
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if (ret < 0) |
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return ret; |
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ret = avcodec_parameters_from_context(priv->ctx->par_in, avctx); |
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if (ret < 0) |
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return ret; |
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priv->ctx->time_base_in = avctx->time_base; |
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if (bsfc->args && bsfc->filter->priv_class) { |
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const AVOption *opt = av_opt_next(priv->ctx->priv_data, NULL); |
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const char * shorthand[2] = {NULL}; |
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if (opt) |
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shorthand[0] = opt->name; |
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ret = av_opt_set_from_string(priv->ctx->priv_data, bsfc->args, shorthand, "=", ":"); |
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if (ret < 0) |
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return ret; |
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} |
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ret = av_bsf_init(priv->ctx); |
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if (ret < 0) |
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return ret; |
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} |
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pkt.data = (uint8_t *)buf; |
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pkt.size = buf_size; |
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ret = av_bsf_send_packet(priv->ctx, &pkt); |
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if (ret < 0) |
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return ret; |
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*poutbuf = NULL; |
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*poutbuf_size = 0; |
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ret = av_bsf_receive_packet(priv->ctx, &pkt); |
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if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) |
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return 0; |
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else if (ret < 0) |
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return ret; |
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*poutbuf = av_malloc(pkt.size + AV_INPUT_BUFFER_PADDING_SIZE); |
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if (!*poutbuf) { |
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av_packet_unref(&pkt); |
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return AVERROR(ENOMEM); |
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} |
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*poutbuf_size = pkt.size; |
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memcpy(*poutbuf, pkt.data, pkt.size); |
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av_packet_unref(&pkt); |
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/* drain all the remaining packets we cannot return */ |
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while (ret >= 0) { |
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ret = av_bsf_receive_packet(priv->ctx, &pkt); |
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av_packet_unref(&pkt); |
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} |
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if (!priv->extradata_updated) { |
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/* update extradata in avctx from the output codec parameters */ |
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if (priv->ctx->par_out->extradata_size && (!args || !strstr(args, "private_spspps_buf"))) { |
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av_freep(&avctx->extradata); |
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avctx->extradata_size = 0; |
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avctx->extradata = av_mallocz(priv->ctx->par_out->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); |
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if (!avctx->extradata) |
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return AVERROR(ENOMEM); |
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memcpy(avctx->extradata, priv->ctx->par_out->extradata, priv->ctx->par_out->extradata_size); |
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avctx->extradata_size = priv->ctx->par_out->extradata_size; |
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} |
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priv->extradata_updated = 1; |
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} |
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return 1; |
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} |
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FF_ENABLE_DEPRECATION_WARNINGS |
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#endif |
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