GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/trace_headers_bsf.c Lines: 0 42 0.0 %
Date: 2020-09-25 14:59:26 Branches: 0 18 0.0 %

Line Branch Exec Source
1
/*
2
 * This file is part of FFmpeg.
3
 *
4
 * FFmpeg is free software; you can redistribute it and/or
5
 * modify it under the terms of the GNU Lesser General Public
6
 * License as published by the Free Software Foundation; either
7
 * version 2.1 of the License, or (at your option) any later version.
8
 *
9
 * FFmpeg is distributed in the hope that it will be useful,
10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12
 * Lesser General Public License for more details.
13
 *
14
 * You should have received a copy of the GNU Lesser General Public
15
 * License along with FFmpeg; if not, write to the Free Software
16
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
 */
18
19
#include <stdio.h>
20
21
#include "libavutil/avstring.h"
22
#include "libavutil/common.h"
23
#include "libavutil/log.h"
24
25
#include "bsf.h"
26
#include "bsf_internal.h"
27
#include "cbs.h"
28
29
30
typedef struct TraceHeadersContext {
31
    CodedBitstreamContext *cbc;
32
    CodedBitstreamFragment fragment;
33
} TraceHeadersContext;
34
35
36
static int trace_headers_init(AVBSFContext *bsf)
37
{
38
    TraceHeadersContext *ctx = bsf->priv_data;
39
    int err;
40
41
    err = ff_cbs_init(&ctx->cbc, bsf->par_in->codec_id, bsf);
42
    if (err < 0)
43
        return err;
44
45
    ctx->cbc->trace_enable = 1;
46
    ctx->cbc->trace_level  = AV_LOG_INFO;
47
48
    if (bsf->par_in->extradata) {
49
        CodedBitstreamFragment *frag = &ctx->fragment;
50
51
        av_log(bsf, AV_LOG_INFO, "Extradata\n");
52
53
        err = ff_cbs_read_extradata(ctx->cbc, frag, bsf->par_in);
54
55
        ff_cbs_fragment_reset(frag);
56
    }
57
58
    return err;
59
}
60
61
static void trace_headers_close(AVBSFContext *bsf)
62
{
63
    TraceHeadersContext *ctx = bsf->priv_data;
64
65
    ff_cbs_fragment_free(&ctx->fragment);
66
    ff_cbs_close(&ctx->cbc);
67
}
68
69
static int trace_headers(AVBSFContext *bsf, AVPacket *pkt)
70
{
71
    TraceHeadersContext *ctx = bsf->priv_data;
72
    CodedBitstreamFragment *frag = &ctx->fragment;
73
    char tmp[256] = { 0 };
74
    int err;
75
76
    err = ff_bsf_get_packet_ref(bsf, pkt);
77
    if (err < 0)
78
        return err;
79
80
    if (pkt->flags & AV_PKT_FLAG_KEY)
81
        av_strlcat(tmp, ", key frame", sizeof(tmp));
82
    if (pkt->flags & AV_PKT_FLAG_CORRUPT)
83
        av_strlcat(tmp, ", corrupt", sizeof(tmp));
84
85
    if (pkt->pts != AV_NOPTS_VALUE)
86
        av_strlcatf(tmp, sizeof(tmp), ", pts %"PRId64, pkt->pts);
87
    else
88
        av_strlcat(tmp, ", no pts", sizeof(tmp));
89
    if (pkt->dts != AV_NOPTS_VALUE)
90
        av_strlcatf(tmp, sizeof(tmp), ", dts %"PRId64, pkt->dts);
91
    else
92
        av_strlcat(tmp, ", no dts", sizeof(tmp));
93
    if (pkt->duration > 0)
94
        av_strlcatf(tmp, sizeof(tmp), ", duration %"PRId64, pkt->duration);
95
96
    av_log(bsf, AV_LOG_INFO, "Packet: %d bytes%s.\n", pkt->size, tmp);
97
98
    err = ff_cbs_read_packet(ctx->cbc, frag, pkt);
99
100
    ff_cbs_fragment_reset(frag);
101
102
    if (err < 0)
103
        av_packet_unref(pkt);
104
    return err;
105
}
106
107
const AVBitStreamFilter ff_trace_headers_bsf = {
108
    .name           = "trace_headers",
109
    .priv_data_size = sizeof(TraceHeadersContext),
110
    .init           = &trace_headers_init,
111
    .close          = &trace_headers_close,
112
    .filter         = &trace_headers,
113
    .codec_ids      = ff_cbs_all_codec_ids,
114
};