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[jpege]: Support writing EXIF and MPF data

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EXIF and MPF data can be write by send user data via KEY_USER_DATAS.

Change-Id: Ib9b5a117433437c202bf354d59dc404c76a4db5f
Signed-off-by: Johnson Ding <johnson.ding@rock-chips.com>
This commit is contained in:
Johnson Ding
2021-04-14 18:28:18 +08:00
committed by Herman Chen
parent ecf7531cf8
commit 7b680e6e6f
1 changed files with 16 additions and 4 deletions
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12
mpp/codec/enc/jpeg/jpege_api_v2.c
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@@ -599,10 +599,22 @@ static MPP_RET jpege_add_Prefix(MppPacket pkt, RK_S32 *len, RK_U8 uuid[16],
RK_S32 i = 0, app_size = 0;
mpp_writer_init(bits, ptr + length, buf_size - length);
if ((size > 8) && user_data[0] == 0xFF && user_data[1] == 0xE1 &&
user_data[4] == 0x45 && user_data[5] == 0x78 &&
user_data[6] == 0x69 && user_data[7] == 0x66) {
jpege_dbg_func("write EXIF data, total length %d\n", size);
} else if ((size > 8) && user_data[0] == 0xFF && user_data[1] == 0xE2 &&
user_data[4] == 0x4D && user_data[5] == 0x50 &&
user_data[6] == 0x46 && user_data[7] == 0x00) {
jpege_dbg_func("write MPF data, total length %d\n", size);
} else {
/* add user data to APP7 */
mpp_writer_put_raw_bits(bits, 0xFFE7, 16);
/* length */
mpp_writer_put_raw_bits(bits, size + 2, 16);
}
/* data */
for (i = 0; i < size; i++)
mpp_writer_put_raw_bits(bits, user_data[i], 8);