Directory: | ../../../ffmpeg/ |
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File: | src/libavcodec/tests/avcodec.c |
Date: | 2022-05-23 03:24:52 |
Exec | Total | Coverage | |
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Lines: | 63 | 99 | 63.6% |
Branches: | 87 | 135 | 64.4% |
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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 "libavutil/opt.h" | ||
20 | #include "libavcodec/codec.h" | ||
21 | #include "libavcodec/codec_desc.h" | ||
22 | #include "libavcodec/codec_internal.h" | ||
23 | #include "libavcodec/internal.h" | ||
24 | |||
25 | ✗ | static const char *get_type_string(enum AVMediaType type) | |
26 | { | ||
27 | ✗ | const char *ret = av_get_media_type_string(type); | |
28 | ✗ | return ret ? ret : "unknown"; | |
29 | } | ||
30 | |||
31 | #define AV_LOG(...) av_log(NULL, AV_LOG_FATAL, __VA_ARGS__) | ||
32 | #define ERR_INTERNAL(msg, ...) \ | ||
33 | do { \ | ||
34 | AV_LOG(msg, codec->name __VA_ARGS__); \ | ||
35 | ret = 1; \ | ||
36 | } while (0) | ||
37 | #define ERR(msg) ERR_INTERNAL(msg, ) | ||
38 | #define ERR_EXT(msg, ...) ERR_INTERNAL(msg, , __VA_ARGS__) | ||
39 | |||
40 | 664 | static int priv_data_size_wrong(const FFCodec *codec) | |
41 | { | ||
42 |
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664 | if (codec->priv_data_size < 0 || |
43 |
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664 | codec->p.priv_class && codec->priv_data_size < sizeof(AVClass*)) |
44 | ✗ | return 1; | |
45 |
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664 | if (!codec->p.priv_class || !codec->p.priv_class->option) |
46 | 530 | return 0; | |
47 |
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1772 | for (const AVOption *opt = codec->p.priv_class->option; opt->name; opt++) { |
48 |
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1638 | if (opt->offset >= codec->priv_data_size || |
49 |
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1638 | opt->type == AV_OPT_TYPE_CONST && opt->offset != 0 || |
50 |
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1638 | opt->type != AV_OPT_TYPE_CONST && (opt->offset < sizeof(AVClass*) || opt->offset < 0)) { |
51 | ✗ | AV_LOG("Option %s offset %d nonsensical\n", | |
52 | opt->name, opt->offset); | ||
53 | ✗ | return 1; | |
54 | } | ||
55 | } | ||
56 | 134 | return 0; | |
57 | } | ||
58 | |||
59 | 1 | int main(void){ | |
60 | 1 | void *iter = NULL; | |
61 | 1 | const AVCodec *codec = NULL; | |
62 | 1 | int ret = 0; | |
63 | |||
64 |
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665 | while (codec = av_codec_iterate(&iter)) { |
65 | 664 | const FFCodec *const codec2 = ffcodec(codec); | |
66 | const AVCodecDescriptor *desc; | ||
67 | 664 | int is_decoder = 0, is_encoder = 0; | |
68 | |||
69 |
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664 | if (!codec->name) { |
70 | ✗ | AV_LOG("Codec for format %s has no name\n", | |
71 | avcodec_get_name(codec->id)); | ||
72 | ✗ | ret = 1; | |
73 | ✗ | continue; | |
74 | } | ||
75 |
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664 | if (codec->type != AVMEDIA_TYPE_VIDEO && |
76 |
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304 | codec->type != AVMEDIA_TYPE_AUDIO && |
77 |
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33 | codec->type != AVMEDIA_TYPE_SUBTITLE) |
78 | ✗ | ERR_EXT("Codec %s has unsupported type %s\n", | |
79 | get_type_string(codec->type)); | ||
80 |
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664 | if (codec->type != AVMEDIA_TYPE_AUDIO) { |
81 |
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393 | if (codec->ch_layouts || codec->sample_fmts || |
82 |
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393 | codec->supported_samplerates) |
83 | ✗ | ERR("Non-audio codec %s has audio-only fields set\n"); | |
84 |
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393 | if (codec->capabilities & (AV_CODEC_CAP_SMALL_LAST_FRAME | |
85 | AV_CODEC_CAP_CHANNEL_CONF | | ||
86 | AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) | ||
87 | ✗ | ERR("Non-audio codec %s has audio-only capabilities set\n"); | |
88 | } | ||
89 |
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664 | if (codec->type != AVMEDIA_TYPE_VIDEO) { |
90 |
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304 | if (codec->pix_fmts || codec->supported_framerates) |
91 | ✗ | ERR("Non-video codec %s has video-only fields set\n"); | |
92 |
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304 | if (codec2->caps_internal & FF_CODEC_CAP_EXPORTS_CROPPING) |
93 | ✗ | ERR("Non-video codec %s exports cropping\n"); | |
94 | } | ||
95 |
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664 | if (codec2->caps_internal & FF_CODEC_CAP_SLICE_THREAD_HAS_MF && |
96 |
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1 | !(codec->capabilities & AV_CODEC_CAP_SLICE_THREADS)) |
97 | ✗ | ERR("Codec %s wants mainfunction despite not being " | |
98 | "slice-threading capable"); | ||
99 |
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664 | if (codec2->caps_internal & FF_CODEC_CAP_AUTO_THREADS && |
100 | ✗ | !(codec->capabilities & (AV_CODEC_CAP_FRAME_THREADS | | |
101 | AV_CODEC_CAP_SLICE_THREADS | | ||
102 | AV_CODEC_CAP_OTHER_THREADS))) | ||
103 | ✗ | ERR("Codec %s has private-only threading support\n"); | |
104 | |||
105 |
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664 | switch (codec2->cb_type) { |
106 | 482 | case FF_CODEC_CB_TYPE_DECODE: | |
107 | case FF_CODEC_CB_TYPE_DECODE_SUB: | ||
108 | case FF_CODEC_CB_TYPE_RECEIVE_FRAME: | ||
109 | 482 | is_decoder = 1; | |
110 | 482 | break; | |
111 | 182 | case FF_CODEC_CB_TYPE_ENCODE: | |
112 | case FF_CODEC_CB_TYPE_ENCODE_SUB: | ||
113 | case FF_CODEC_CB_TYPE_RECEIVE_PACKET: | ||
114 | 182 | is_encoder = 1; | |
115 | 182 | break; | |
116 | ✗ | default: | |
117 | ✗ | ERR("Codec %s has unknown cb_type\n"); | |
118 | ✗ | continue; | |
119 | } | ||
120 |
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1328 | if (is_decoder != av_codec_is_decoder(codec) || |
121 | 664 | is_encoder != av_codec_is_encoder(codec)) { | |
122 | ✗ | ERR("Codec %s cb_type and av_codec_is_(de|en)coder inconsistent.\n"); | |
123 | ✗ | continue; | |
124 | } | ||
125 | #define CHECK(TYPE, type) (codec2->cb_type == FF_CODEC_CB_TYPE_ ## TYPE && !codec2->cb.type) | ||
126 |
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664 | if (CHECK(DECODE, decode) || CHECK(DECODE_SUB, decode_sub) || |
127 |
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664 | CHECK(RECEIVE_PACKET, receive_packet) || |
128 |
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664 | CHECK(ENCODE, encode) || CHECK(ENCODE_SUB, encode_sub) || |
129 |
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664 | CHECK(RECEIVE_FRAME, receive_frame)) { |
130 | ✗ | ERR_EXT("Codec %s does not implement its %s callback.\n", | |
131 | is_decoder ? "decoding" : "encoding"); | ||
132 | } | ||
133 | #undef CHECK | ||
134 |
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664 | if (is_encoder) { |
135 |
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182 | if ((codec->type == AVMEDIA_TYPE_SUBTITLE) != (codec2->cb_type == FF_CODEC_CB_TYPE_ENCODE_SUB)) |
136 | ✗ | ERR("Encoder %s is both subtitle encoder and not subtitle encoder."); | |
137 |
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182 | if (codec2->update_thread_context || codec2->update_thread_context_for_user || codec2->bsfs) |
138 | ✗ | ERR("Encoder %s has decoder-only thread functions or bsf.\n"); | |
139 |
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182 | if (codec->type == AVMEDIA_TYPE_AUDIO) { |
140 |
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75 | if (!codec->sample_fmts) { |
141 | ✗ | av_log(NULL, AV_LOG_FATAL, "Encoder %s is missing the sample_fmts field\n", codec->name); | |
142 | ✗ | ret = 1; | |
143 | } | ||
144 | } | ||
145 |
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182 | if (codec2->caps_internal & (FF_CODEC_CAP_ALLOCATE_PROGRESS | |
146 | FF_CODEC_CAP_SETS_PKT_DTS | | ||
147 | FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | | ||
148 | FF_CODEC_CAP_EXPORTS_CROPPING | | ||
149 | 182 | FF_CODEC_CAP_SETS_FRAME_PROPS) || | |
150 |
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182 | codec->capabilities & (AV_CODEC_CAP_AVOID_PROBING | |
151 | AV_CODEC_CAP_CHANNEL_CONF | | ||
152 | AV_CODEC_CAP_DRAW_HORIZ_BAND | | ||
153 | AV_CODEC_CAP_SUBFRAMES)) | ||
154 | ✗ | ERR("Encoder %s has decoder-only capabilities set\n"); | |
155 |
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182 | if (codec->capabilities & AV_CODEC_CAP_FRAME_THREADS && |
156 |
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20 | codec->capabilities & AV_CODEC_CAP_ENCODER_FLUSH) |
157 | ✗ | ERR("Frame-threaded encoder %s claims to support flushing\n"); | |
158 | } else { | ||
159 |
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482 | if ((codec->type == AVMEDIA_TYPE_SUBTITLE) != (codec2->cb_type == FF_CODEC_CB_TYPE_DECODE_SUB)) |
160 | ✗ | ERR("Subtitle decoder %s does not implement decode_sub callback\n"); | |
161 |
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482 | if (codec->type == AVMEDIA_TYPE_SUBTITLE && codec2->bsfs) |
162 | ✗ | ERR("Automatic bitstream filtering unsupported for subtitles; " | |
163 | "yet decoder %s has it set\n"); | ||
164 |
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482 | if (codec->capabilities & (AV_CODEC_CAP_SMALL_LAST_FRAME | |
165 | AV_CODEC_CAP_VARIABLE_FRAME_SIZE | | ||
166 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE | | ||
167 | AV_CODEC_CAP_ENCODER_FLUSH)) | ||
168 | ✗ | ERR("Decoder %s has encoder-only capabilities\n"); | |
169 |
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482 | if (codec2->caps_internal & FF_CODEC_CAP_ALLOCATE_PROGRESS && |
170 |
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15 | !(codec->capabilities & AV_CODEC_CAP_FRAME_THREADS)) |
171 | ✗ | ERR("Decoder %s wants allocated progress without supporting" | |
172 | "frame threads\n"); | ||
173 | } | ||
174 |
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664 | if (priv_data_size_wrong(codec2)) |
175 | ✗ | ERR_EXT("Private context of codec %s is impossibly-sized (size %d).", | |
176 | codec2->priv_data_size); | ||
177 |
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664 | if (!(desc = avcodec_descriptor_get(codec->id))) { |
178 | ✗ | ERR("Codec %s lacks a corresponding descriptor\n"); | |
179 |
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664 | } else if (desc->type != codec->type) |
180 | ✗ | ERR_EXT("The type of AVCodec %s and its AVCodecDescriptor differ: " | |
181 | "%s vs %s\n", | ||
182 | get_type_string(codec->type), get_type_string(desc->type)); | ||
183 | } | ||
184 | 1 | return ret; | |
185 | } | ||
186 |