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Code Issues Releases Activity

avformat/aadec: Simplify data->hex conversion

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-12-05 23:04:35 +01:00
parent d27b97b043
commit e5ba554edf
1 changed files with 5 additions and 8 deletions
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13
libavformat/aadec.c
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@ -83,6 +83,7 @@ static int aa_read_header(AVFormatContext *s)
uint32_t header_key_part[4];
uint8_t header_key[16] = {0};
AADemuxContext *c = s->priv_data;
char file_key[2 * sizeof(c->file_key) + 1];
AVIOContext *pb = s->pb;
AVStream *st;
FFStream *sti;
@ -130,10 +131,8 @@ static int aa_read_header(AVFormatContext *s)
for (idx = 0; idx < 4; idx++) {
AV_WB32(&header_key[idx * 4], header_key_part[idx]); // convert each part to BE!
}
av_log(s, AV_LOG_DEBUG, "Processed HeaderKey is ");
for (int j = 0; j < 16; j++)
av_log(s, AV_LOG_DEBUG, "%02x", header_key[j]);
av_log(s, AV_LOG_DEBUG, "\n");
ff_data_to_hex(key, header_key, sizeof(header_key), 1);
av_log(s, AV_LOG_DEBUG, "Processed HeaderKey is %s\n", key);
} else {
av_dict_set(&s->metadata, key, val, 0);
}
@ -161,10 +160,8 @@ static int aa_read_header(AVFormatContext *s)
av_tea_crypt(c->tea_ctx, buf, buf, 3, NULL, 0);
AV_WN64(c->file_key, AV_RN64(buf + 2) ^ AV_RN64(header_key));
AV_WN64(c->file_key + 8, AV_RN64(buf + 10) ^ AV_RN64(header_key + 8));
av_log(s, AV_LOG_DEBUG, "File key is ");
for (i = 0; i < 16; i++)
av_log(s, AV_LOG_DEBUG, "%02x", c->file_key[i]);
av_log(s, AV_LOG_DEBUG, "\n");
ff_data_to_hex(file_key, c->file_key, sizeof(c->file_key), 1);
av_log(s, AV_LOG_DEBUG, "File key is %s\n", file_key);
av_tea_init(c->tea_ctx, c->file_key, 16);
/* decoder setup */