FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/trace_headers_bsf.c
Date: 2021-09-16 08:47:15
Exec Total Coverage
Lines: 0 50 0.0%
Branches: 0 22 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 if (av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, NULL)) {
99 av_log(bsf, AV_LOG_INFO, "Side data:\n");
100
101 err = ff_cbs_read_packet_side_data(ctx->cbc, frag, pkt);
102 ff_cbs_fragment_reset(frag);
103
104 if (err < 0) {
105 av_packet_unref(pkt);
106 return err;
107 }
108 av_log(bsf, AV_LOG_INFO, "Payload:\n");
109 }
110
111 err = ff_cbs_read_packet(ctx->cbc, frag, pkt);
112
113 ff_cbs_fragment_reset(frag);
114
115 if (err < 0)
116 av_packet_unref(pkt);
117 return err;
118 }
119
120 const AVBitStreamFilter ff_trace_headers_bsf = {
121 .name = "trace_headers",
122 .priv_data_size = sizeof(TraceHeadersContext),
123 .init = &trace_headers_init,
124 .close = &trace_headers_close,
125 .filter = &trace_headers,
126 .codec_ids = ff_cbs_all_codec_ids,
127 };
128