- int err;
-
- HEADER("Alternative Transfer Characteristics");
-
- u(8, preferred_transfer_characteristics, 0, 255);
-
- return 0;
-}
-
-static int FUNC(sei_payload)(CodedBitstreamContext *ctx, RWContext *rw,
- H265RawSEIPayload *current, int prefix)
-{
- int err, i;
- int start_position, end_position;
-
-#ifdef READ
- start_position = get_bits_count(rw);
-#else
- start_position = put_bits_count(rw);
-#endif
-
- switch (current->payload_type) {
-#define SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid) do { \
- if (prefix && !prefix_valid) { \
- av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \
- "as prefix SEI!\n", #name); \
- return AVERROR_INVALIDDATA; \
- } \
- if (!prefix && !suffix_valid) { \
- av_log(ctx->log_ctx, AV_LOG_ERROR, "SEI type %s invalid " \
- "as suffix SEI!\n", #name); \
- return AVERROR_INVALIDDATA; \
- } \
- } while (0)
-#define SEI_TYPE_N(type, prefix_valid, suffix_valid, name) \
- case HEVC_SEI_TYPE_ ## type: \
- SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \
- CHECK(FUNC(sei_ ## name)(ctx, rw, ¤t->payload.name)); \
- break
-#define SEI_TYPE_S(type, prefix_valid, suffix_valid, name) \
- case HEVC_SEI_TYPE_ ## type: \
- SEI_TYPE_CHECK_VALID(name, prefix_valid, suffix_valid); \
- CHECK(FUNC(sei_ ## name)(ctx, rw, ¤t->payload.name, \
- ¤t->payload_size)); \
- break
-
- SEI_TYPE_S(BUFFERING_PERIOD, 1, 0, buffering_period);
- SEI_TYPE_N(PICTURE_TIMING, 1, 0, pic_timing);
- SEI_TYPE_N(PAN_SCAN_RECT, 1, 0, pan_scan_rect);
- SEI_TYPE_S(USER_DATA_REGISTERED_ITU_T_T35,
- 1, 1, user_data_registered);
- SEI_TYPE_S(USER_DATA_UNREGISTERED, 1, 1, user_data_unregistered);
- SEI_TYPE_N(RECOVERY_POINT, 1, 0, recovery_point);
- SEI_TYPE_N(DISPLAY_ORIENTATION, 1, 0, display_orientation);
- SEI_TYPE_N(ACTIVE_PARAMETER_SETS, 1, 0, active_parameter_sets);
- SEI_TYPE_N(DECODED_PICTURE_HASH, 0, 1, decoded_picture_hash);
- SEI_TYPE_N(TIME_CODE, 1, 0, time_code);
- SEI_TYPE_N(MASTERING_DISPLAY_INFO, 1, 0, mastering_display);
- SEI_TYPE_N(CONTENT_LIGHT_LEVEL_INFO, 1, 0, content_light_level);
- SEI_TYPE_N(ALTERNATIVE_TRANSFER_CHARACTERISTICS,
- 1, 0, alternative_transfer_characteristics);
-
-#undef SEI_TYPE
- default:
- {
-#ifdef READ
- current->payload.other.data_length = current->payload_size;
-#endif
- allocate(current->payload.other.data, current->payload.other.data_length);
-
- for (i = 0; i < current->payload_size; i++)
- xu(8, payload_byte[i], current->payload.other.data[i], 0, 255,
- 1, i);
- }
- }
-
- if (byte_alignment(rw)) {
- fixed(1, bit_equal_to_one, 1);
- while (byte_alignment(rw))
- fixed(1, bit_equal_to_zero, 0);
- }
-
-#ifdef READ
- end_position = get_bits_count(rw);
- if (end_position < start_position + 8 * current->payload_size) {
- av_log(ctx->log_ctx, AV_LOG_ERROR, "Incorrect SEI payload length: "
- "header %"PRIu32" bits, actually %d bits.\n",
- 8 * current->payload_size,
- end_position - start_position);
- return AVERROR_INVALIDDATA;
+ int err, length;
+
+ HEADER("Alpha Channel Information");
+
+ flag(alpha_channel_cancel_flag);
+ if (!current->alpha_channel_cancel_flag) {
+ ub(3, alpha_channel_use_idc);
+ ub(3, alpha_channel_bit_depth_minus8);
+ length = current->alpha_channel_bit_depth_minus8 + 9;
+ ub(length, alpha_transparent_value);
+ ub(length, alpha_opaque_value);
+ flag(alpha_channel_incr_flag);
+ flag(alpha_channel_clip_flag);
+ if (current->alpha_channel_clip_flag)
+ flag(alpha_channel_clip_type_flag);
+ } else {
+ infer(alpha_channel_use_idc, 2);
+ infer(alpha_channel_incr_flag, 0);
+ infer(alpha_channel_clip_flag, 0);