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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
static int FUNC(sei_user_data_registered)
(CodedBitstreamContext *ctx, RWContext *rw,
SEIRawUserDataRegistered *current, uint32_t *payload_size)
{
int err, i, j;
HEADER("User Data Registered ITU-T T.35");
u(8, itu_t_t35_country_code, 0x00, 0xff);
if (current->itu_t_t35_country_code != 0xff)
i = 1;
else {
u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff);
i = 2;
}
#ifdef READ
if (*payload_size < i) {
av_log(ctx->log_ctx, AV_LOG_ERROR,
"Invalid SEI user data registered payload.\n");
return AVERROR_INVALIDDATA;
}
current->data_length = *payload_size - i;
#else
*payload_size = i + current->data_length;
#endif
allocate(current->data, current->data_length);
for (j = 0; j < current->data_length; j++)
xu(8, itu_t_t35_payload_byte[], current->data[j], 0x00, 0xff, 1, i + j);
return 0;
}
static int FUNC(sei_user_data_unregistered)
(CodedBitstreamContext *ctx, RWContext *rw,
SEIRawUserDataUnregistered *current, uint32_t *payload_size)
{
int err, i;
HEADER("User Data Unregistered");
#ifdef READ
if (*payload_size < 16) {
av_log(ctx->log_ctx, AV_LOG_ERROR,
"Invalid SEI user data unregistered payload.\n");
return AVERROR_INVALIDDATA;
}
current->data_length = *payload_size - 16;
#else
*payload_size = 16 + current->data_length;
#endif
for (i = 0; i < 16; i++)
us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i);
allocate(current->data, current->data_length);
for (i = 0; i < current->data_length; i++)
xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i);
return 0;
}
static int FUNC(sei_mastering_display_colour_volume)
(CodedBitstreamContext *ctx, RWContext *rw,
SEIRawMasteringDisplayColourVolume *current)
{
int err, c;
HEADER("Mastering Display Colour Volume");
for (c = 0; c < 3; c++) {
us(16, display_primaries_x[c], 0, 50000, 1, c);
us(16, display_primaries_y[c], 0, 50000, 1, c);
}
u(16, white_point_x, 0, 50000);
u(16, white_point_y, 0, 50000);
u(32, max_display_mastering_luminance,
1, MAX_UINT_BITS(32));
u(32, min_display_mastering_luminance,
0, current->max_display_mastering_luminance - 1);
return 0;
}
static int FUNC(sei_content_light_level)
(CodedBitstreamContext *ctx, RWContext *rw,
SEIRawContentLightLevelInfo *current)
{
int err;
HEADER("Content Light Level");
ub(16, max_content_light_level);
ub(16, max_pic_average_light_level);
return 0;
}
static int FUNC(sei_alternative_transfer_characteristics)
(CodedBitstreamContext *ctx, RWContext *rw,
SEIRawAlternativeTransferCharacteristics *current)
{
int err;
HEADER("Alternative Transfer Characteristics");
ub(8, preferred_transfer_characteristics);
return 0;
}
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