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126 lines
3.4 KiB
126 lines
3.4 KiB
/* |
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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 <stdio.h> |
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#include "libavutil/avstring.h" |
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#include "libavutil/common.h" |
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#include "libavutil/log.h" |
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#include "bsf.h" |
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#include "cbs.h" |
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typedef struct TraceHeadersContext { |
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CodedBitstreamContext *cbc; |
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} TraceHeadersContext; |
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static int trace_headers_init(AVBSFContext *bsf) |
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{ |
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TraceHeadersContext *ctx = bsf->priv_data; |
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int err; |
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err = ff_cbs_init(&ctx->cbc, bsf->par_in->codec_id, bsf); |
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if (err < 0) |
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return err; |
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ctx->cbc->trace_enable = 1; |
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ctx->cbc->trace_level = AV_LOG_INFO; |
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if (bsf->par_in->extradata) { |
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CodedBitstreamFragment ps; |
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av_log(bsf, AV_LOG_INFO, "Extradata\n"); |
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err = ff_cbs_read_extradata(ctx->cbc, &ps, bsf->par_in); |
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if (err < 0) { |
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av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n"); |
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return err; |
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} |
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ff_cbs_fragment_uninit(ctx->cbc, &ps); |
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} |
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return 0; |
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} |
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static void trace_headers_close(AVBSFContext *bsf) |
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{ |
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TraceHeadersContext *ctx = bsf->priv_data; |
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ff_cbs_close(&ctx->cbc); |
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} |
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static int trace_headers(AVBSFContext *bsf, AVPacket *out) |
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{ |
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TraceHeadersContext *ctx = bsf->priv_data; |
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CodedBitstreamFragment au; |
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AVPacket *in; |
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char tmp[256] = { 0 }; |
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int err; |
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err = ff_bsf_get_packet(bsf, &in); |
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if (err < 0) |
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return err; |
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if (in->flags & AV_PKT_FLAG_KEY) |
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av_strlcat(tmp, ", key frame", sizeof(tmp)); |
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if (in->flags & AV_PKT_FLAG_CORRUPT) |
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av_strlcat(tmp, ", corrupt", sizeof(tmp)); |
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if (in->pts != AV_NOPTS_VALUE) |
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av_strlcatf(tmp, sizeof(tmp), ", pts %"PRId64, in->pts); |
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else |
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av_strlcat(tmp, ", no pts", sizeof(tmp)); |
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if (in->dts != AV_NOPTS_VALUE) |
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av_strlcatf(tmp, sizeof(tmp), ", dts %"PRId64, in->dts); |
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else |
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av_strlcat(tmp, ", no dts", sizeof(tmp)); |
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if (in->duration > 0) |
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av_strlcatf(tmp, sizeof(tmp), ", duration %"PRId64, in->duration); |
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av_log(bsf, AV_LOG_INFO, "Packet: %d bytes%s.\n", in->size, tmp); |
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err = ff_cbs_read_packet(ctx->cbc, &au, in); |
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if (err < 0) |
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return err; |
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ff_cbs_fragment_uninit(ctx->cbc, &au); |
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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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static const enum AVCodecID trace_headers_codec_ids[] = { |
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AV_CODEC_ID_H264, |
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AV_CODEC_ID_HEVC, |
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AV_CODEC_ID_MPEG2VIDEO, |
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AV_CODEC_ID_NONE, |
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}; |
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const AVBitStreamFilter ff_trace_headers_bsf = { |
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.name = "trace_headers", |
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.priv_data_size = sizeof(TraceHeadersContext), |
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.init = &trace_headers_init, |
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.close = &trace_headers_close, |
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.filter = &trace_headers, |
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.codec_ids = trace_headers_codec_ids, |
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};
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