/*

 * Copyright (c) 2024 Anton Khirnov <anton@khirnov.net>

 *

 * 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 <inttypes.h>

#include "bsf.h"

#include "bsf_internal.h"

#include "libavutil/adler32.h"

#include "libavutil/log.h"

#include "libavutil/timestamp.h"

typedef struct ShowinfoContext {

    uint64_t nb_packets;

} ShowinfoContext;

static int showinfo_filter(AVBSFContext *ctx, AVPacket *pkt)

{

    ShowinfoContext *priv = ctx->priv_data;

    uint32_t crc;

    int ret;

    ret = ff_bsf_get_packet_ref(ctx, pkt);

    if (ret < 0)

        return ret;

    crc = av_adler32_update(0, pkt->data, pkt->size);

    av_log(ctx, AV_LOG_INFO,

           "n:%7"PRIu64" "

           "size:%7d "

           "pts:%s pt:%s "

           "dts:%s dt:%s "

           "ds:%"PRId64" d:%s "

           "adler32:0x%08"PRIx32

           "\n",

           priv->nb_packets, pkt->size,

           av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ctx->time_base_in),

           av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ctx->time_base_in),

           pkt->duration, av_ts2timestr(pkt->duration, &ctx->time_base_in), crc);

    priv->nb_packets++;

    return 0;

}

const FFBitStreamFilter ff_showinfo_bsf = {

    .p.name         = "showinfo",

    .filter         = showinfo_filter,

    .priv_data_size = sizeof(ShowinfoContext),

};