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avformat/hls: support decryption AES128 fmp4 m3u8 list

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Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu 2018-08-13 18:15:23 +08:00
parent e2921578c0
commit 9e61141905
1 changed files with 21 additions and 0 deletions
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21
libavformat/hls.c
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@ -811,6 +811,27 @@ static int parse_playlist(HLSContext *c, const char *url,
ff_parse_key_value(ptr, (ff_parse_key_val_cb) handle_init_section_args,
&info);
cur_init_section = new_init_section(pls, &info, url);
cur_init_section->key_type = key_type;
if (has_iv) {
memcpy(cur_init_section->iv, iv, sizeof(iv));
} else {
int seq = pls->start_seq_no + pls->n_segments;
memset(cur_init_section->iv, 0, sizeof(cur_init_section->iv));
AV_WB32(cur_init_section->iv + 12, seq);
}
if (key_type != KEY_NONE) {
ff_make_absolute_url(tmp_str, sizeof(tmp_str), url, key);
cur_init_section->key = av_strdup(tmp_str);
if (!cur_init_section->key) {
av_free(cur_init_section);
ret = AVERROR(ENOMEM);
goto fail;
}
} else {
cur_init_section->key = NULL;
}
} else if (av_strstart(line, "#EXT-X-ENDLIST", &ptr)) {
if (pls)
pls->finished = 1;