File ffmpeg-support-kid-key.patch of Package ffmpeg-7

455
 
1
--- a/doc/demuxers.texi
2
+++ b/doc/demuxers.texi
3
@@ -281,7 +281,11 @@
4
 @table @option
5
6
 @item cenc_decryption_key
7
-16-byte key, in hex, to decrypt files encrypted using ISO Common Encryption (CENC/AES-128 CTR; ISO/IEC 23001-7).
8
+Default 16-byte key, in hex, to decrypt files encrypted using ISO Common Encryption (CENC/AES-128 CTR; ISO/IEC 23001-7).
9
+
10
+ at item cenc_decryption_keys
11
+Dictionary of 16-byte key ID => 16-byte key, both in hex, to decrypt files encrypted using ISO Common Encryption
12
+(CENC/AES-128 CTR; ISO/IEC 23001-7).
13
14
 @end table
15
16
@@ -931,7 +935,11 @@
17
 specify.
18
19
 @item decryption_key
20
-16-byte key, in hex, to decrypt files encrypted using ISO Common Encryption (CENC/AES-128 CTR; ISO/IEC 23001-7).
21
+Default 16-byte key, in hex, to decrypt files encrypted using ISO Common Encryption (CENC/AES-128 CTR; ISO/IEC 23001-7).
22
+
23
+ at item decryption_keys
24
+Dictionary of 16-byte key ID => 16-byte key, both in hex, to decrypt files encrypted using ISO Common Encryption
25
+(CENC/AES-128 CTR; ISO/IEC 23001-7).
26
27
 @item max_stts_delta
28
 Very high sample deltas written in a trak's stts box may occasionally be intended but usually they are written in
29
--- a/libavformat/dashdec.c
30
+++ b/libavformat/dashdec.c
31
@@ -153,6 +153,7 @@
32
     AVDictionary *avio_opts;
33
     int max_url_size;
34
     char *cenc_decryption_key;
35
+    char *cenc_decryption_keys;
36
37
     /* Flags for init section*/
38
     int is_init_section_common_video;
39
@@ -1906,6 +1907,8 @@
40
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     if (c->cenc_decryption_key)
42
         av_dict_set(&in_fmt_opts, "decryption_key", c->cenc_decryption_key, 0);
43
+    if (c->cenc_decryption_keys)
44
+        av_dict_set(&in_fmt_opts, "decryption_keys", c->cenc_decryption_keys, 0);
45
46
     // provide additional information from mpd if available
47
     ret = avformat_open_input(&pls->ctx, "", in_fmt, &in_fmt_opts); //pls->init_section->url
48
@@ -2347,7 +2350,8 @@
49
         OFFSET(allowed_extensions), AV_OPT_TYPE_STRING,
50
         {.str = "aac,m4a,m4s,m4v,mov,mp4,webm,ts"},
51
         INT_MIN, INT_MAX, FLAGS},
52
-    { "cenc_decryption_key", "Media decryption key (hex)", OFFSET(cenc_decryption_key), AV_OPT_TYPE_STRING, {.str = NULL}, INT_MIN, INT_MAX, .flags = FLAGS },
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+    { "cenc_decryption_key", "Media default decryption key (hex)", OFFSET(cenc_decryption_key), AV_OPT_TYPE_STRING, {.str = NULL}, INT_MIN, INT_MAX, .flags = FLAGS },
54
+    { "cenc_decryption_keys", "Media decryption keys by KID (hex)", OFFSET(cenc_decryption_keys), AV_OPT_TYPE_STRING, {.str = NULL}, INT_MIN, INT_MAX, .flags = FLAGS },
55
     {NULL}
56
 };
57
58
--- a/libavformat/isom.h
59
+++ b/libavformat/isom.h
60
@@ -340,8 +340,8 @@
61
     void *audible_iv;
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     int audible_iv_size;
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     struct AVAES *aes_decrypt;
64
-    uint8_t *decryption_key;
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-    int decryption_key_len;
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+    uint8_t *decryption_default_key;
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+    int decryption_default_key_len;
68
     int enable_drefs;
69
     int32_t movie_display_matrix[3][3]; ///< display matrix from mvhd
70
     int have_read_mfra_size;
71
@@ -356,6 +356,7 @@
72
     int thmb_item_id;
73
     int64_t idat_offset;
74
     int interleaved_read;
75
+    AVDictionary* decryption_keys;
76
 } MOVContext;
77
78
 int ff_mp4_read_descr_len(AVIOContext *pb);
79
--- a/libavformat/mov.c
80
+++ b/libavformat/mov.c
81
@@ -7414,19 +7414,62 @@
82
     return 0;
83
 }
84
85
+static int get_key_from_kid(uint8_t* out, int len, MOVContext *c, AVEncryptionInfo *sample) {
86
+    AVDictionaryEntry *key_entry_hex;
87
+    char kid_hex[16*2+1];
88
+
89
+    if (c->decryption_default_key && c->decryption_default_key_len != len) {
90
+        av_log(c->fc, AV_LOG_ERROR, "invalid default decryption key length: got %d, expected %d\n", c->decryption_default_key_len, len);
91
+        return -1;
92
+    }
93
+
94
+    if (!c->decryption_keys) {
95
+        av_assert0(c->decryption_default_key);
96
+        memcpy(out, c->decryption_default_key, len);
97
+        return 0;
98
+    }
99
+
100
+    if (sample->key_id_size != 16) {
101
+        av_log(c->fc, AV_LOG_ERROR, "invalid key ID size: got %u, expected 16\n", sample->key_id_size);
102
+        return -1;
103
+    }
104
+
105
+    ff_data_to_hex(kid_hex, sample->key_id, 16, 1);
106
+    key_entry_hex = av_dict_get(c->decryption_keys, kid_hex, NULL, AV_DICT_DONT_STRDUP_KEY|AV_DICT_DONT_STRDUP_VAL);
107
+    if (!key_entry_hex) {
108
+        if (!c->decryption_default_key) {
109
+            av_log(c->fc, AV_LOG_ERROR, "unable to find KID %s\n", kid_hex);
110
+            return -1;
111
+        }
112
+        memcpy(out, c->decryption_default_key, len);
113
+        return 0;
114
+    }
115
+    if (strlen(key_entry_hex->value) != len*2) {
116
+        return -1;
117
+    }
118
+    ff_hex_to_data(out, key_entry_hex->value);
119
+    return 0;
120
+}
121
+
122
 static int cenc_scheme_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryptionInfo *sample, uint8_t *input, int size)
123
 {
124
     int i, ret;
125
     int bytes_of_protected_data;
126
+    uint8_t decryption_key[AES_CTR_KEY_SIZE];
127
128
     if (!sc->cenc.aes_ctr) {
129
+        ret = get_key_from_kid(decryption_key, sizeof(decryption_key), c, sample);
130
+        if (ret < 0) {
131
+            return ret;
132
+        }
133
+
134
         /* initialize the cipher */
135
         sc->cenc.aes_ctr = av_aes_ctr_alloc();
136
         if (!sc->cenc.aes_ctr) {
137
             return AVERROR(ENOMEM);
138
         }
139
140
-        ret = av_aes_ctr_init(sc->cenc.aes_ctr, c->decryption_key);
141
+        ret = av_aes_ctr_init(sc->cenc.aes_ctr, decryption_key);
142
         if (ret < 0) {
143
             return ret;
144
         }
145
@@ -7472,15 +7515,21 @@
146
     int i, ret;
147
     int num_of_encrypted_blocks;
148
     uint8_t iv[16];
149
+    uint8_t decryption_key[16];
150
151
     if (!sc->cenc.aes_ctx) {
152
+        ret = get_key_from_kid(decryption_key, sizeof(decryption_key), c, sample);
153
+        if (ret < 0) {
154
+            return ret;
155
+        }
156
+
157
         /* initialize the cipher */
158
         sc->cenc.aes_ctx = av_aes_alloc();
159
         if (!sc->cenc.aes_ctx) {
160
             return AVERROR(ENOMEM);
161
         }
162
163
-        ret = av_aes_init(sc->cenc.aes_ctx, c->decryption_key, 16 * 8, 1);
164
+        ret = av_aes_init(sc->cenc.aes_ctx, decryption_key, 16 * 8, 1);
165
         if (ret < 0) {
166
             return ret;
167
         }
168
@@ -7531,15 +7580,21 @@
169
 {
170
     int i, ret, rem_bytes;
171
     uint8_t *data;
172
+    uint8_t decryption_key[AES_CTR_KEY_SIZE];
173
174
     if (!sc->cenc.aes_ctr) {
175
+        ret = get_key_from_kid(decryption_key, sizeof(decryption_key), c, sample);
176
+        if (ret < 0) {
177
+            return ret;
178
+        }
179
+
180
         /* initialize the cipher */
181
         sc->cenc.aes_ctr = av_aes_ctr_alloc();
182
         if (!sc->cenc.aes_ctr) {
183
             return AVERROR(ENOMEM);
184
         }
185
186
-        ret = av_aes_ctr_init(sc->cenc.aes_ctr, c->decryption_key);
187
+        ret = av_aes_ctr_init(sc->cenc.aes_ctr, decryption_key);
188
         if (ret < 0) {
189
             return ret;
190
         }
191
@@ -7597,15 +7652,21 @@
192
     int i, ret, rem_bytes;
193
     uint8_t iv[16];
194
     uint8_t *data;
195
+    uint8_t decryption_key[16];
196
197
     if (!sc->cenc.aes_ctx) {
198
+        ret = get_key_from_kid(decryption_key, sizeof(decryption_key), c, sample);
199
+        if (ret < 0) {
200
+            return ret;
201
+        }
202
+
203
         /* initialize the cipher */
204
         sc->cenc.aes_ctx = av_aes_alloc();
205
         if (!sc->cenc.aes_ctx) {
206
             return AVERROR(ENOMEM);
207
         }
208
209
-        ret = av_aes_init(sc->cenc.aes_ctx, c->decryption_key, 16 * 8, 1);
210
+        ret = av_aes_init(sc->cenc.aes_ctx, decryption_key, 16 * 8, 1);
211
         if (ret < 0) {
212
             return ret;
213
         }
214
@@ -7748,7 +7809,7 @@
215
             return AVERROR_INVALIDDATA;
216
         }
217
218
-        if (mov->decryption_key) {
219
+        if (mov->decryption_keys || mov->decryption_default_key) {
220
             return cenc_decrypt(mov, sc, encrypted_sample, pkt->data, pkt->size);
221
         } else {
222
             size_t size;
223
@@ -9546,12 +9607,6 @@
224
     MOVAtom atom = { AV_RL32("root") };
225
     int i;
226
227
-    if (mov->decryption_key_len != 0 && mov->decryption_key_len != AES_CTR_KEY_SIZE) {
228
-        av_log(s, AV_LOG_ERROR, "Invalid decryption key len %d expected %d\n",
229
-            mov->decryption_key_len, AES_CTR_KEY_SIZE);
230
-        return AVERROR(EINVAL);
231
-    }
232
-
233
     mov->fc = s;
234
     mov->trak_index = -1;
235
     mov->thmb_item_id = -1;
236
@@ -10351,7 +10406,8 @@
237
         "Fixed key used for handling Audible AAX files", OFFSET(audible_fixed_key),
238
         AV_OPT_TYPE_BINARY, {.str="77214d4b196a87cd520045fd20a51d67"},
239
         .flags = AV_OPT_FLAG_DECODING_PARAM },
240
-    { "decryption_key", "The media decryption key (hex)", OFFSET(decryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_DECODING_PARAM },
241
+    { "decryption_key", "The default media decryption key (hex)", OFFSET(decryption_default_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_DECODING_PARAM },
242
+    { "decryption_keys", "The media decryption keys by KID (hex)", OFFSET(decryption_keys), AV_OPT_TYPE_DICT, .flags = AV_OPT_FLAG_DECODING_PARAM },
243
     { "enable_drefs", "Enable external track support.", OFFSET(enable_drefs), AV_OPT_TYPE_BOOL,
244
         {.i64 = 0}, 0, 1, FLAGS },
245
     { "max_stts_delta", "treat offsets above this value as invalid", OFFSET(max_stts_delta), AV_OPT_TYPE_INT, {.i64 = UINT_MAX-48000*10 }, 0, UINT_MAX, .flags = AV_OPT_FLAG_DECODING_PARAM },
246
--- a/tests/fate/mov.mak
247
+++ b/tests/fate/mov.mak
248
@@ -8,6 +8,9 @@
249
            fate-mov-3elist-encrypted \
250
            fate-mov-frag-encrypted \
251
            fate-mov-tenc-only-encrypted \
252
+           fate-mov-3elist-encrypted-kid \
253
+           fate-mov-frag-encrypted-kid \
254
+           fate-mov-tenc-only-encrypted-kid \
255
            fate-mov-invalid-elst-entry-count \
256
            fate-mov-gpmf-remux \
257
            fate-mov-ibi-elst-starts-b \
258
@@ -52,6 +55,15 @@
259
 # Full-sample encryption and constant IV using only tenc atom (no senc/saio/saiz).
260
 fate-mov-tenc-only-encrypted: CMD = framemd5 -decryption_key 12345678901234567890123456789012 -i $(TARGET_SAMPLES)/mov/mov-tenc-only-encrypted.mp4
261
262
+# Edit list with encryption, using the decryption_keys option.
263
+fate-mov-3elist-encrypted-kid: CMD = framemd5 -decryption_keys 12345678901234567890123456789012=12345678901234567890123456789012 -i $(TARGET_SAMPLES)/mov/mov-3elist-encrypted.mov
264
+
265
+# Fragmented encryption with senc boxes in movie fragments, using the decryption_keys option.
266
+fate-mov-frag-encrypted-kid: CMD = framemd5 -decryption_keys abba271e8bcf552bbd2e86a434a9a5d9=12345678901234567890123456789012 -i $(TARGET_SAMPLES)/mov/mov-frag-encrypted.mp4
267
+
268
+# Full-sample encryption and constant IV using only tenc atom (no senc/saio/saiz), using the decryption_keys option.
269
+fate-mov-tenc-only-encrypted-kid: CMD = framemd5 -decryption_keys abba271e8bcf552bbd2e86a434a9a5d9=12345678901234567890123456789012 -i $(TARGET_SAMPLES)/mov/mov-tenc-only-encrypted.mp4
270
+
271
 # Makes sure that the CTTS is also modified when we fix avindex in mov.c while parsing edit lists.
272
 fate-mov-elist-starts-ctts-2ndsample: CMD = framemd5 -i $(TARGET_SAMPLES)/mov/mov-elist-starts-ctts-2ndsample.mov
273
274
--- /dev/null
275
+++ b/tests/ref/fate/mov-3elist-encrypted-kid
276
@@ -0,0 +1,57 @@
277
+#format: frame checksums
278
+#version: 2
279
+#hash: MD5
280
+#tb 0: 1/24
281
+#media_type 0: video
282
+#codec_id 0: rawvideo
283
+#dimensions 0: 640x480
284
+#sar 0: 0/1
285
+#stream#, dts,        pts, duration,     size, hash
286
+0,          0,          0,        1,   460800, 80fbbdec589e15e6c493b44d243f92a9
287
+0,          1,          1,        1,   460800, f4b23293bb2ecf69cc3570853d8c56a1
288
+0,          2,          2,        1,   460800, 0c03ce2c1c6ec405d7455465ecd559a3
289
+0,          3,          3,        1,   460800, 7921791695537fba2c3c123da4834cb9
290
+0,          4,          4,        1,   460800, 30c8e2903a561b84d4cbaf95c668d236
291
+0,          5,          5,        1,   460800, 7ff42e998217c17592ddf6b584f26cef
292
+0,          6,          6,        1,   460800, 5e402c48bf097db2d31b82bb4194a382
293
+0,          7,          7,        1,   460800, 824c49e92c8ae6d99a0207b514dd756c
294
+0,          8,          8,        1,   460800, 24f189216a1d9cf2313b2d6dbe3dbdd3
295
+0,          9,          9,        1,   460800, 519179a8e74275d26b183374637e003f
296
+0,         10,         10,        1,   460800, f18331ddcef0adf5b069bfa98baf8db4
297
+0,         11,         11,        1,   460800, 081f61688690d47dbdddd5384e5d5a70
298
+0,         12,         12,        1,   460800, 90dbf019b9035433371a8df41a9268b7
299
+0,         13,         13,        1,   460800, bb5adfb9c66732898b34186eca1667ba
300
+0,         14,         14,        1,   460800, cc08cfd64f37783ecddaf143f6ad78bc
301
+0,         15,         15,        1,   460800, b8ae21d024fe4df903d56f4521993c72
302
+0,         16,         16,        1,   460800, b45a99907f045dcadf0a2befc11555e3
303
+0,         17,         17,        1,   460800, 603ba935845e65ab6cccbbec88bbf60d
304
+0,         18,         18,        1,   460800, df80c8d3e6a77258a306903f17995a18
305
+0,         19,         19,        1,   460800, 4b7e90c0a5fd0e0cd958d47f0afac636
306
+0,         20,         20,        1,   460800, 9feb6e36182f1745be6387edea240eb6
307
+0,         21,         21,        1,   460800, 86e6de4bd0a5ff7558f4cf6c1ec3930d
308
+0,         22,         22,        1,   460800, 726b69df77edbe7b503d4698656d1320
309
+0,         23,         23,        1,   460800, d282fb7a953ac205b0a43d00c2d60a33
310
+0,         24,         24,        1,   460800, eece3daa70cc20208dd75d91ac84c8fd
311
+0,         25,         25,        1,   460800, c86d23e73bcce351fc315fb1f13348da
312
+0,         26,         26,        1,   460800, 93497b4f7c5ad9d61212239b7c9d2770
313
+0,         27,         27,        1,   460800, eb217d2c12de67903835a8c58f620488
314
+0,         28,         28,        1,   460800, d966480867bb54c8cd044f18388ed486
315
+0,         29,         29,        1,   460800, 3ea6207942b3181fdd8e8aa6cae1062a
316
+0,         30,         30,        1,   460800, 2620df54aca086ec0fb9527c6e6f5135
317
+0,         31,         31,        1,   460800, 43bb7320f0bb583188dc965ddbfade90
318
+0,         32,         32,        1,   460800, 0cddaa04645f804e02f65b0836412113
319
+0,         33,         33,        1,   460800, 83b2dc95807289d7f4a4632bf18c2e97
320
+0,         34,         34,        1,   460800, 98134d0e41e6dd12827049ccf33b4669
321
+0,         35,         35,        1,   460800, 56f55631731fa39c7acbab0afeb2eb1b
322
+0,         36,         36,        1,   460800, 379c1105be09d836a515dc909455ddf4
323
+0,         37,         37,        1,   460800, 1df87c47e9d98731faf1c3885b77e5da
324
+0,         38,         38,        1,   460800, 9a8734bcbfdb4d97e530683b8b556a26
325
+0,         39,         39,        1,   460800, c7a7990d0cddc5adfbe27da7a42e025e
326
+0,         40,         40,        1,   460800, 0c81e46011e03be410feaf056207fd55
327
+0,         41,         41,        1,   460800, ca76e4e63016ff29d8aeeb9cb053bb6c
328
+0,         42,         42,        1,   460800, cebfbe299c17c1f8fc1e6b189555c3c2
329
+0,         43,         43,        1,   460800, 4f002c5feca5e75f07089e0df47507dd
330
+0,         44,         44,        1,   460800, c5fd83fc4a745abee9b3d9a6eec9dd3e
331
+0,         45,         45,        1,   460800, 57d9bad9b45aa2746de5d8bdc2c24969
332
+0,         46,         46,        1,   460800, 9831673ad7dec167af4a959f64258949
333
+0,         47,         47,        1,   460800, 77a1cb208f70f51bcb01e28d8cba73b4
334
--- /dev/null
335
+++ b/tests/ref/fate/mov-frag-encrypted-kid
336
@@ -0,0 +1,57 @@
337
+#format: frame checksums
338
+#version: 2
339
+#hash: MD5
340
+#tb 0: 1/24
341
+#media_type 0: video
342
+#codec_id 0: rawvideo
343
+#dimensions 0: 120x52
344
+#sar 0: 544/545
345
+#stream#, dts,        pts, duration,     size, hash
346
+0,          0,          0,        1,     9360, 920bdc277a6a31c1daed9aca44b10caf
347
+0,          1,          1,        1,     9360, f1c0b61fef593de57cb97be7fa846569
348
+0,          2,          2,        1,     9360, 6ef32d9d4398355aebf6d3fb11d51d3f
349
+0,          3,          3,        1,     9360, d38fd3ef1e5a92fc109b8dd9eb6dadeb
350
+0,          4,          4,        1,     9360, 54cc0c8a25d2f14f32663837d5e646f1
351
+0,          5,          5,        1,     9360, b4b6829726dc3decb8b80ba0c35bcf30
352
+0,          6,          6,        1,     9360, fca3f941e60a2f0a4ce30d5e0efbec3c
353
+0,          7,          7,        1,     9360, cda6e26b6c1039ff3d229b262c9210c3
354
+0,          8,          8,        1,     9360, f0d69255e3a27a8b4ae8a4b7b210929d
355
+0,          9,          9,        1,     9360, 12cb23dd4e32af9c3b35f943714e3fdd
356
+0,         10,         10,        1,     9360, 082aaf3216124ddcecb422fe5c832e82
357
+0,         11,         11,        1,     9360, ff37bb8cd6bd0412a3b3cb45db54afc9
358
+0,         12,         12,        1,     9360, dfb9085441575732844b6c2f05d5f542
359
+0,         13,         13,        1,     9360, 0017100feaaa9fc7eacd2447d50d7542
360
+0,         14,         14,        1,     9360, 4e2f1b8c4e04c59934c2f58541e62613
361
+0,         15,         15,        1,     9360, 27a44dfea7cd2d30e488194c34ab473c
362
+0,         16,         16,        1,     9360, fc7b56bd95e990a33cf575d1ef820902
363
+0,         17,         17,        1,     9360, fa2d1609e69714dffc410e65f3c8b755
364
+0,         18,         18,        1,     9360, 705d7429f447cb13febe202d567795f2
365
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366
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367
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368
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369
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370
+0,         24,         24,        1,     9360, 5993fca2e60050706f857ac76e48f386
371
+0,         25,         25,        1,     9360, 2ff3b5775fed3d527bfbbeea786787fe
372
+0,         26,         26,        1,     9360, 42024dbe23d3fb5b0d8987ae1ce390a8
373
+0,         27,         27,        1,     9360, d804204f0bd9db5f6a758e2c934d9e38
374
+0,         28,         28,        1,     9360, e322712e6e34c58ec1a2ab5e2c1e3bfe
375
+0,         29,         29,        1,     9360, 3975bd1a5f6a6b6260276777f9de611e
376
+0,         30,         30,        1,     9360, 4388f0412efc6310706a7cdedc859ea9
377
+0,         31,         31,        1,     9360, b4b9a11b0b86635267345a569640e8d4
378
+0,         32,         32,        1,     9360, 31879c7b8d6b67a4209ffde786bb8cb4
379
+0,         33,         33,        1,     9360, 4b6dc02d7c889fe4abd4e013b25f585a
380
+0,         34,         34,        1,     9360, dc73aae82bd39a1220d1106c8d3e8252
381
+0,         35,         35,        1,     9360, 54c7dfbd49f312806f6c1a89f7c2c36f
382
+0,         36,         36,        1,     9360, 150abc64f8994d444a521ea90570443c
383
+0,         37,         37,        1,     9360, d277cdc7dcadbe0016f2e950459e7ebf
384
+0,         38,         38,        1,     9360, 2196bf338ead90ea54687b85c73c8229
385
+0,         39,         39,        1,     9360, 53ce5da5365abc0bd3217dd98e7c465d
386
+0,         40,         40,        1,     9360, 34ee9832aea55c0c4e6f4381c413c10e
387
+0,         41,         41,        1,     9360, 1769c7b5849e4681119067a06ac29a4f
388
+0,         42,         42,        1,     9360, 71f53df739ef283a5184c91ef4b158e8
389
+0,         43,         43,        1,     9360, d2d394739e9a59c06f0354c16843cb63
390
+0,         44,         44,        1,     9360, d8e458e92ae29344505a24a3059fc584
391
+0,         45,         45,        1,     9360, 0f1b11a09911851b798df2ef76253a7f
392
+0,         46,         46,        1,     9360, 5c4a9f22baecf4e749c0d5c65a4f1007
393
+0,         47,         47,        1,     9360, 3e2b7e7262fdca08d9d1ef6070125c4b
394
--- /dev/null
395
+++ b/tests/ref/fate/mov-tenc-only-encrypted-kid
396
@@ -0,0 +1,57 @@
397
+#format: frame checksums
398
+#version: 2
399
+#hash: MD5
400
+#tb 0: 1/24
401
+#media_type 0: video
402
+#codec_id 0: rawvideo
403
+#dimensions 0: 1024x436
404
+#sar 0: 1/1
405
+#stream#, dts,        pts, duration,     size, hash
406
+0,          0,          0,        1,   669696, f48f296a85eda5ba069dc851a3228bef
407
+0,          1,          1,        1,   669696, a50c5f69bfa3387d49b5bdf738e6529c
408
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409
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410
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411
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412
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413
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414
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415
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416
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418
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420
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422
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423
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424
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425
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426
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427
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428
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429
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430
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431
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432
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433
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434
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435
+0,         29,         29,        1,   669696, 031eb3154f7f83cf86d42bee66be9cf7
436
+0,         30,         30,        1,   669696, 1205c36723e88811206c68892d3aaed6
437
+0,         31,         31,        1,   669696, 7dd7a8a19dcd73b31ddc6a6d0c597a42
438
+0,         32,         32,        1,   669696, 7c91115368ea2531262a1197468bc3f4
439
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440
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441
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442
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443
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444
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445
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446
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447
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448
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449
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450
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451
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452
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453
+0,         47,         47,        1,   669696, 9edf9cd15eea985b42fd1f5035b1d693
454
--
455
​
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