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aom: update libaom to 0ec86ac7ae1e32a7e70410fa4972a655ec3670a4

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Roy Tam 2019-02-22 21:52:01 +08:00
commit eb361970c5
438 changed files with 52661 additions and 21905 deletions
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23
third_party/aom/av1/common/obu_util.c vendored
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@ -8,6 +8,8 @@
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <assert.h>
#include "av1/common/obu_util.h"
#include "aom_dsp/bitreader_buffer.h"
@ -112,36 +114,41 @@ aom_codec_err_t aom_read_obu_header_and_size(const uint8_t *data,
ObuHeader *obu_header,
size_t *const payload_size,
size_t *const bytes_read) {
size_t length_field_size = 0, obu_size = 0;
size_t length_field_size_obu = 0;
size_t length_field_size_payload = 0;
size_t obu_size = 0;
aom_codec_err_t status;
if (is_annexb) {
// Size field comes before the OBU header, and includes the OBU header
status =
read_obu_size(data, bytes_available, &obu_size, &length_field_size);
read_obu_size(data, bytes_available, &obu_size, &length_field_size_obu);
if (status != AOM_CODEC_OK) return status;
}
struct aom_read_bit_buffer rb = { data + length_field_size,
struct aom_read_bit_buffer rb = { data + length_field_size_obu,
data + bytes_available, 0, NULL, NULL };
status = read_obu_header(&rb, is_annexb, obu_header);
if (status != AOM_CODEC_OK) return status;
if (is_annexb) {
if (!obu_header->has_size_field) {
assert(is_annexb);
// Derive the payload size from the data we've already read
if (obu_size < obu_header->size) return AOM_CODEC_CORRUPT_FRAME;
*payload_size = obu_size - obu_header->size;
} else {
// Size field comes after the OBU header, and is just the payload size
status = read_obu_size(data + obu_header->size,
bytes_available - obu_header->size, payload_size,
&length_field_size);
status = read_obu_size(
data + length_field_size_obu + obu_header->size,
bytes_available - length_field_size_obu - obu_header->size,
payload_size, &length_field_size_payload);
if (status != AOM_CODEC_OK) return status;
}
*bytes_read = length_field_size + obu_header->size;
*bytes_read =
length_field_size_obu + obu_header->size + length_field_size_payload;
return AOM_CODEC_OK;
}