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hls: detect SAMPLE-AES encryption

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SAMPLE-AES encryption is not commonly used yet, but without this patch
ffmpeg is thinking that the hls segments are not encrypted which
produces broken files.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
selsta 2015-03-05 19:49:57 +01:00 committed by Michael Niedermayer
parent d75a73b5fc
commit 6c8a158989
1 changed files with 8 additions and 1 deletions
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9
libavformat/hls.c
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@ -62,6 +62,7 @@
enum KeyType { enum KeyType {
KEY_NONE, KEY_NONE,
KEY_AES_128, KEY_AES_128,
KEY_SAMPLE_AES
}; };
struct segment { struct segment {
@ -329,7 +330,7 @@ static void handle_variant_args(struct variant_info *info, const char *key,
struct key_info { struct key_info {
char uri[MAX_URL_SIZE]; char uri[MAX_URL_SIZE];
char method[10]; char method[11];
char iv[35]; char iv[35];
}; };
@ -556,6 +557,8 @@ static int parse_playlist(HLSContext *c, const char *url,
has_iv = 0; has_iv = 0;
if (!strcmp(info.method, "AES-128")) if (!strcmp(info.method, "AES-128"))
key_type = KEY_AES_128; key_type = KEY_AES_128;
if (!strcmp(info.method, "SAMPLE-AES"))
key_type = KEY_SAMPLE_AES;
if (!strncmp(info.iv, "0x", 2) || !strncmp(info.iv, "0X", 2)) { if (!strncmp(info.iv, "0x", 2) || !strncmp(info.iv, "0X", 2)) {
ff_hex_to_data(iv, info.iv + 2); ff_hex_to_data(iv, info.iv + 2);
has_iv = 1; has_iv = 1;
@ -967,6 +970,10 @@ static int open_input(HLSContext *c, struct playlist *pls)
goto cleanup; goto cleanup;
} }
ret = 0; ret = 0;
} else if (seg->key_type == KEY_SAMPLE_AES) {
av_log(pls->parent, AV_LOG_ERROR,
"SAMPLE-AES encryption is not supported yet\n");
ret = AVERROR_PATCHWELCOME;
} }
else else
ret = AVERROR(ENOSYS); ret = AVERROR(ENOSYS);