Based on itut_t35 Matadata OBU parsing code.
Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
av_buffer_unref(&td->data_ref);
}
+static void cbs_av1_free_padding(AV1RawPadding *pd)
+{
+ av_buffer_unref(&pd->payload_ref);
+}
+
static void cbs_av1_free_metadata(AV1RawMetadata *md)
{
switch (md->metadata_type) {
case AV1_OBU_METADATA:
cbs_av1_free_metadata(&obu->obu.metadata);
break;
+ case AV1_OBU_PADDING:
+ cbs_av1_free_padding(&obu->obu.padding);
+ break;
}
av_freep(&obu);
}
break;
case AV1_OBU_PADDING:
+ {
+ err = cbs_av1_read_padding_obu(ctx, &gbc, &obu->obu.padding);
+ if (err < 0)
+ return err;
+ }
+ break;
default:
return AVERROR(ENOSYS);
}
}
break;
case AV1_OBU_PADDING:
+ {
+ err = cbs_av1_write_padding_obu(ctx, pbc, &obu->obu.padding);
+ if (err < 0)
+ return err;
+ }
+ break;
default:
return AVERROR(ENOSYS);
}
} metadata;
} AV1RawMetadata;
+typedef struct AV1RawPadding {
+ uint8_t *payload;
+ size_t payload_size;
+ AVBufferRef *payload_ref;
+} AV1RawPadding;
+
typedef struct AV1RawOBU {
AV1RawOBUHeader header;
AV1RawTileGroup tile_group;
AV1RawTileList tile_list;
AV1RawMetadata metadata;
+ AV1RawPadding padding;
} obu;
} AV1RawOBU;
return 0;
}
+
+static int FUNC(padding_obu)(CodedBitstreamContext *ctx, RWContext *rw,
+ AV1RawPadding *current)
+{
+ int i, err;
+
+ HEADER("Padding");
+
+#ifdef READ
+ // The payload runs up to the start of the trailing bits, but there might
+ // be arbitrarily many trailing zeroes so we need to read through twice.
+ current->payload_size = cbs_av1_get_payload_bytes_left(rw);
+
+ current->payload_ref = av_buffer_alloc(current->payload_size);
+ if (!current->payload_ref)
+ return AVERROR(ENOMEM);
+ current->payload = current->payload_ref->data;
+#endif
+
+ for (i = 0; i < current->payload_size; i++)
+ xf(8, obu_padding_byte[i], current->payload[i], 0x00, 0xff, 1, i);
+
+ return 0;
+}