FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/cbs_bsf.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 69 91 75.8%
Functions: 4 4 100.0%
Branches: 23 36 63.9%
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 "bsf.h"
20 #include "bsf_internal.h"
21 #include "cbs_bsf.h"
22
23 7563 static int cbs_bsf_update_side_data(AVBSFContext *bsf, AVPacket *pkt)
24 {
25 7563 CBSBSFContext *ctx = bsf->priv_data;
26 7563 CodedBitstreamFragment *frag = &ctx->fragment;
27 uint8_t *side_data;
28 int err;
29
30
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 7563 if (!av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, NULL))
31 7561 return 0;
32
33 2 err = ff_cbs_read_packet_side_data(ctx->input, frag, pkt);
34
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 2 if (err < 0) {
35 ✗ av_log(bsf, AV_LOG_ERROR,
36 "Failed to read extradata from packet side data.\n");
37 ✗ return err;
38 }
39
40 2 err = ctx->type->update_fragment(bsf, NULL, frag);
41
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 2 if (err < 0)
42 ✗ return err;
43
44 2 err = ff_cbs_write_fragment_data(ctx->output, frag);
45
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 2 if (err < 0) {
46 ✗ av_log(bsf, AV_LOG_ERROR,
47 "Failed to write extradata into packet side data.\n");
48 ✗ return err;
49 }
50
51 2 side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
52 frag->data_size);
53
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 2 if (!side_data)
54 ✗ return AVERROR(ENOMEM);
55 2 memcpy(side_data, frag->data, frag->data_size);
56
57 2 ff_cbs_fragment_reset(frag);
58 2 return 0;
59 }
60
61 15225 int ff_cbs_bsf_generic_filter(AVBSFContext *bsf, AVPacket *pkt)
62 {
63 15225 CBSBSFContext *ctx = bsf->priv_data;
64 15225 CodedBitstreamFragment *frag = &ctx->fragment;
65 int err;
66
67 15225 err = ff_bsf_get_packet_ref(bsf, pkt);
68
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 15225 if (err < 0)
69 7662 return err;
70
71 7563 err = cbs_bsf_update_side_data(bsf, pkt);
72
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 7563 if (err < 0)
73 ✗ goto fail;
74
75 7563 err = ff_cbs_read_packet(ctx->input, frag, pkt);
76
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 7563 if (err < 0) {
77 1 av_log(bsf, AV_LOG_ERROR, "Failed to read %s from packet.\n",
78 1 ctx->type->fragment_name);
79 1 goto fail;
80 }
81
82
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 7562 if (frag->nb_units == 0) {
83 ✗ av_log(bsf, AV_LOG_ERROR, "No %s found in packet.\n",
84 ✗ ctx->type->unit_name);
85 ✗ err = AVERROR_INVALIDDATA;
86 ✗ goto fail;
87 }
88
89 7562 err = ctx->type->update_fragment(bsf, pkt, frag);
90
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 7562 if (err < 0)
91 ✗ goto fail;
92
93 7562 err = ff_cbs_write_packet(ctx->output, pkt, frag);
94
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 7562 if (err < 0) {
95 ✗ av_log(bsf, AV_LOG_ERROR, "Failed to write %s into packet.\n",
96 ✗ ctx->type->fragment_name);
97 ✗ goto fail;
98 }
99
100 7562 err = 0;
101 7563 fail:
102 7563 ff_cbs_fragment_reset(frag);
103
104
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 7563 if (err < 0)
105 1 av_packet_unref(pkt);
106
107 7563 return err;
108 }
109
110 99 int ff_cbs_bsf_generic_init(AVBSFContext *bsf, const CBSBSFType *type)
111 {
112 99 CBSBSFContext *ctx = bsf->priv_data;
113 99 CodedBitstreamFragment *frag = &ctx->fragment;
114 int err;
115
116 99 ctx->type = type;
117
118 99 err = ff_cbs_init(&ctx->input, type->codec_id, bsf);
119
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 99 if (err < 0)
120 ✗ return err;
121
122 99 err = ff_cbs_init(&ctx->output, type->codec_id, bsf);
123
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 99 if (err < 0)
124 ✗ return err;
125
126 99 ctx->output->trace_enable = 1;
127 99 ctx->output->trace_level = AV_LOG_TRACE;
128 99 ctx->output->trace_context = ctx->output;
129 99 ctx->output->trace_write_callback = ff_cbs_trace_write_log;
130
131
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 99 if (bsf->par_in->extradata) {
132 85 err = ff_cbs_read_extradata(ctx->input, frag, bsf->par_in);
133
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 85 if (err < 0) {
134 ✗ av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
135 ✗ goto fail;
136 }
137
138 85 err = type->update_fragment(bsf, NULL, frag);
139
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 85 if (err < 0)
140 ✗ goto fail;
141
142 85 err = ff_cbs_write_extradata(ctx->output, bsf->par_out, frag);
143
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 85 if (err < 0) {
144 ✗ av_log(bsf, AV_LOG_ERROR, "Failed to write extradata.\n");
145 ✗ goto fail;
146 }
147 }
148
149 99 err = 0;
150 99 fail:
151 99 ff_cbs_fragment_reset(frag);
152 99 return err;
153 }
154
155 99 void ff_cbs_bsf_generic_close(AVBSFContext *bsf)
156 {
157 99 CBSBSFContext *ctx = bsf->priv_data;
158
159 99 ff_cbs_fragment_free(&ctx->fragment);
160 99 ff_cbs_close(&ctx->input);
161 99 ff_cbs_close(&ctx->output);
162 99 }
163